| Sabin (S150) | Oxfordshire/Worcestershire | | 1900 | samxs01 |
| Sacht (S230) | heligoland / garston,liverpool | 1800 | 1910 | garstonite |
| Sage (S200) | Chew Magna, Clutton, Bishop Sutton, Somerset | 1780 | 1900 | Merry |
| Sainsbury (S521) | Bratton, Westbury, Wiltshire | 1780 | 1860 | Merry |
| Sales (S420) | Limpenhoe, Norfolk | 1779 | 1999 | Nell |
| Sallows (S420) | Suffolk, Norfolk | 1650 | 1730 | Oakum Picker |
| Salter (S436) | Strand,Central London/Clerkenwell | 1750 | 1900 | vita |
| Samain (S550) | London | 1650 | 1800 | Val in Oz |
| Sanders (S536) | Beds | 1580 | 1680 | Oakum Picker |
| Sanders (S536) | Braughing, Hertfordshire | 1650 | 1700 | ElizabethHerts |
| Sanderson (S536) | Doncaster, Yorkshire | 1700 | | marquette |
| Sanderson (S536) | great Ayton | 1700 | 1870 | Alan S |
| Sanderson (S536) | Sheffield, Yorkshire | 1850 | | marquette |
| Sandill/Sandall (S534) | Mangotsfield, Gloucestershire | 1750 | 1820 | Merry |
| Sando/Sandoe/Sandow (S532) | Redruth Cornwall and South Australia | | | Pinefamily |
| Sandry/Sandrye (S536) | Cornwall - St. Issey and Mullion | 1637 | 1659 | |
| Sands (S532) | Cork? Cook, Ireland | 1800 | 1850 | JBee |
| Sapp (S100) | Slindon, Sussex, UK | 1600 | 1710 | Christine in Herts |
| Satchell (S324) | Northamptonshire | | | Carolyn P |
| Saul (S400) | Beighton, Norfolk | 1700 | 1820 | Nell |
| Saul (S400) | Norfolk | | | Carolyn P |
| Saunders (S536) | Blo Norton, Norfolk | 1700 | 1800 | Margaret in Burton |
| Saunders (S536) | Mangotsfield, Gloucestershire | 1790 | 1820 | Merry |
| Sauter (S360) | | | | bethanyleigh |
| Savoie (S100) | | | | bethanyleigh |
| Savory/ Savary (S162) | Warrington Lancashire | 1740 | 1830 | Sunny Kate |
| Sawrey (S600) | Lancashire | 1500 | 1800 | HarrysMum |
| Sayers (S620) | SUSSEX,ENGLAND | 1700 | | susan sayers |
| Sayle (S400) | Isle of Man | | 1900 | Olde Crone |
| Scaife (S210) | East and North Ridings of Yorkshire | 1700 | 1855 | Janet |
| Scannell (S254) | County Cork, Ireland | 1840 | 1900 | Merry |
| Scarlett (S264) | Norfolk | 1700 | 1910 | DavidByrne |
| Scarratt (S263) | Abbots Bromley | 1560 | 1700 | Tony Scarratt |
| Schofield (S214) | Dukenfield England | | | Schoe |
| Schofield (S214) | Huddersfield, Yorkshire, UK | 1773 | | JALimestonePlains |
| Scholes (S242) | Harpurhey, Manchester | 1893 | 1969 | daisynook |
| Schue (S200) | | | | bethanyleigh |
| Schueler (S246) | | | | bethanyleigh |
| Schulte (S243) | | | | bethanyleigh |
| Scobell (S214) | Devon | 1600 | 1830 | HarrysMum |
| Scott (S230) | Bratton, Westbury, Wiltshire | 1800 | 1900 | Merry |
| Scott (S230) | Campbeltown, Argyll | 1770 | 1800 | Shona |
| Scott (S230) | Croxton, Cambridgeshire | 1680 | 1720 | Merry |
| Scott (S230) | Tasmania | 1887 | 1950 | Tassie Devil |
| Scrutton (S263) | Essex | 1858 | 1930 | |
| Scuffield (S214) | Beaulieu, Hampshire | 1780 | 1800 | Merry |
| Sealey (S400) | Suffolk | 1650 | 1800 | Guinevere |
| Searle/Serrell (And Variants) (S642) | Cornwall - Germoe/Breage earliest Crowan | 1718 | 1830 | |
| Seeley (S400) | Suffolk | 1600 | 1800 | Guinevere |
| Seldon (S435) | Devon - Barnstaple/Landkey areas | 1650 | 1850 | Langley Vale Sue |
| Seldon (S435) | Devon - Broadclyst | 1850 | 1950 | Langley Vale Sue |
| Seldon (S435) | Devon - Knowle Crediton | 1840 | 1900 | Langley Vale Sue |
| Seldon (S435) | Devon - Pilton | 1500 | 1660 | Langley Vale Sue |
| Seldon (S435) | London - Herne Hill | 1910 | 1950 | Langley Vale Sue |
| Semain/E (S550) | London | 1800 | 1900 | Val in Oz |
| Severs/Sivers (S162) | North Yorkshire | | | JayG |
| Shackleton (S243) | Lancashire; Cowling and Sutton-in-Craven, West Riding of Yorkshire | 1700 | 1855 | Janet |
| Shadford, Shadforth (S316) | Scotter and surrounding area, Lincolnshire | 1650 | 1750 | ElizabethHerts |
| Shaffer (S160) | | | | bethanyleigh |
| Sharkey (S620) | Manchester | | | Hopeful |
| Sharp (S610) | Bethnal Green | 1775 | 1880 | Sue from Southend |
| Sharratt (S630) | | | | Gordon |
| Sharratt (S630) | Staffordshire | 1687 | | JohnS |
| Sharratt (S630) | Staffordshire | 1740 | | Margaret in Burton |
| Shaw (S000) | east riding | 1500 | 1950 | teddybr |
| Shaw (S000) | Islay, Bute, Australia, NZ | 1745 | 1900 | JBee |
| Shaw (S000) | Otley, Yorkshire | 1780 | 1870 | ElizabethHerts |
| Shaw (S000) | Richmond, Handsworth, Yorkshire | 1845 | 1920 | ElizabethHerts |
| Sheddon (S350) | Killean, Argyll | 1800 | 1850 | Shona |
| Shemmons (S552) | Alrewas, Staffordshire | 1680 | 1780 | Merry |
| Shepherd (S163) | Herts | 1680 | 1760 | Oakum Picker |
| Shepherd (S163) | Hunsdon & Widford, Hertfordshire | | | Vivian |
| Shepherd (S163) | Huntingdonshire | | | DaveT |
| Sherratt (S630) | | | | Gordon |
| Shipley (S140) | Derbyshire | 1800 | 1900 | Gert in Oz |
| Shorter (S636) | Ivychurch/ Mountfield Sussex | 1750 | 1800 | Sunny Kate |
| Shrigley (S624) | Pott Shrigley | 1500 | 1800 | TMcHenry |
| Silverside (S416) | Bletchingdon, Oxfordshire and surrounding area | 1500 | 1750 | ElizabethHerts |
| Simms (S520) | Derbyshire | 1700 | 1800 | Gert in Oz |
| Simms (S520) | Warwickshire/Staffordshire | | 1900 | samxs01 |
| Simons/Simmons/Symons/Symonds (S552) | Cornwall, Perranuthnoe and Madron | 1560 | 1807 | |
| Simons/Simon (S552) | West Virginia | 1800 | 1850 | StevenSimons703 |
| Simons/Symons (S552) | Australia - Adelaide SA, Stawell Vic, Kalgoorlie WA | 1854 | 1917 | |
| Simpson (S512) | Elgin, Scotland | | | James Binning |
| Sissons (S252) | Snitterby, Lincolnshire | 1800 | 1850 | Jill |
| Siveter (S136) | Dudley, Staffordshire | 1780 | 1820 | Margaret in Burton |
| Skillings (S245) | Bradford, Yorkshire | 1800 | 1900 | Phoenix |
| Skillings (S245) | Norfolk | 1588 | | Phoenix |
| Skinner (S256) | Bedfordshire | | | Carolyn P |
| Skinner (S256) | Devon | | | suen |
| Skinner (S256) | Herefordshire | | | mwalters20 |
| Slatter (S436) | Warwickshire | | 1740 | samxs01 |
| Slaughter (S423) | Wyke Regis, Dorset | 1700 | 1800 | Merry |
| Slight, Sleight (S423) | Berwick on Tweed | 1790 | | JBee |
| Slingsby (S452) | Ryton, Bulkington, Warwickshire | 1500 | 1900 | Mary from Italy |
| Sloman (S455) | Devon - Tiverton, Cove, Bampton, Cove | 1660 | 1800 | |
| Sloman (S455) | Milverton (Preston Bowyer) Somerset | 1810 | 1847 | |
| Sloman (S455) | Tenterfield, Pyes Creek, Dundee, Rangers Valley NSW | 1849 | 1970 | |
| Smalley (S540) | Leicestershire | | | Carolyn P |
| Smallridge (S546) | Herefordshire | 1650 | | Nona |
| Smedley (S534) | Derbyshire | 1700 | 1800 | Gert in Oz |
| Smith (S530) | Balsall, Warwickshire | 1790 | 1880 | Margaret in Burton |
| Smith (S530) | Bidborough, Speldhurst, Tunbridge Wells, Kent | 1768 | 1840 | |
| Smith (S530) | Burbage, Leicestershire | 1770 | | Margaret in Burton |
| Smith (S530) | East Claydon, Buckinghamshire | 1600 | 1750 | ElizabethHerts |
| Smith (S530) | East Molesey, Bury, Sussex, UK | 1826 | | JALimestonePlains |
| Smith (S530) | Gosport and Portsea, Hampshire | 1700 | 1860 | ElizabethHerts |
| Smith (S530) | Ireland, and Ayrshire Scotland | | | Pinefamily |
| Smith (S530) | Old Swinford, Worcestershire | 1730 | 1780 | ElizabethHerts |
| Smith (S530) | Shropshire, Monmouthshire, Gloucestershire | 1750 | 1900 | Guinevere |
| Smith (S530) | Spalding/Holbeach Lincolnshire | 1750 | 2014 | lincslady |
| Smith (S530) | Standon, Wadesmill, Hertfordshire | 1730 | 1820 | Merry |
| Smith (S530) | Tenterfield, Drake/Fairfield, Jerry's Plains NSW | 1840 | 1910 | |
| Smith (S530) | Witney, Burford, Charlbury, Oxfordshire | 1700 | 1900 | Merry |
| Smith (S530) | Wombourne, Staffordshire | 1750 | 1760 | Merry |
| Smith/Smythe (S532) | Clopton Northamptonshire | 1580 | 1700 | Janet Chiltern Borders |
| Smoothy (S530) | Essex | 1760 | 1890 | Nell |
| Smyth (S530) | Great Torrington Devon | | | Pinefamily |
| Solter (S436) | Caversham, Oxfordshire | 1650 | 1700 | Merry |
| Sonter (S536) | NSW | 1838 | | MuzzaKiwi |
| Southey (S300) | Wellington to Milverton, Somerset | 1685 | 1748 | |
| Sowter (S360) | Derbyshire | 1600 | 1850 | Gert in Oz |
| Sparkes (S162) | Whittington, Staffordshire and Fillongley, Warwickshire | | | Mary from Italy |
| Sparrow (S160) | Norfolk/Suffolk boarder | | | JayG |
| Spear (S160) | Devon - Sandford | 1750 | 1850 | Langley Vale Sue |
| Spence (S152) | Yorkshire: Brearton, Stamford Bridge, Knaresborough, York, Leeds (Headingley, Roundhay, Wortley) | 1700 | 1900 | Janet |
| Spencer (S152) | Derbyshire | 1800 | 1900 | Gert in Oz |
| Spicer (S126) | Lambourne, Berkshire | 1730 | 1800 | Jill |
| Spiller (S146) | Devon - Broadclyst | 1800 | | Langley Vale Sue |
| Spiller (S146) | Devon - Venn Ottery | 1740 | 1850 | Langley Vale Sue |
| Springer (S165) | Sweden | | | Pinefamily |
| Spurden (S163) | Suffolk | 1700 | 1900 | Guinevere |
| Spurgeon (S162) | Suffolk | 1700 | 1900 | Guinevere |
| Stagg (S320) | Norfolk | | | Carolyn P |
| Stanbridge (S351) | Burton on Trent, Staffordshire | 1870 | | Margaret in Burton |
| Stanbridge (S351) | Oxfordshire | 1750 | | Margaret in Burton |
| Standhardt (S353) | Holland | 1700 | 1900 | MaryManatee |
| Standish (S353) | neston cheshire | 1700 | 1850 | garstonite |
| Stanley (S354) | Beaudesert, Warwickshire | 1770 | | Margaret in Burton |
| Stanley (S354) | Solihull, Warwickshire | 1750 | | Margaret in Burton |
| Staveley (S314) | Ambleside, Dent, Lancaster | 1750 | 2000 | RavKen |
| Stead (S330) | Horsforth near Leeds (Meanwood, Chapel Allerton, Adel) | 1700 | 1855 | Janet |
| Steel (S340) | | | | bethanyleigh |
| Steel (S340) | East Wittering, Sussex | 1912 | | Jill |
| Steel (S340) | Rustington, Sussex | 1865 | 1950 | Jill |
| Steel (S340) | Stedham, Sussex | 1800 | 1900 | Jill |
| Steel Or Steele (S346) | Hampshire: Lewes,Sussex | | | Ann from Sussex |
| Steer/Stear (S362) | Eastwood Nottinghamshire | 1809 | 1889 | |
| Steils (S342) | | | | bethanyleigh |
| Stenson (S352) | Coleorton, Leicestershire | 1700 | 1900 | vernpres |
| Sterne (S365) | Suffolk | 1550 | 1680 | Oakum Picker |
| Steven (S315) | Dalserf, Lanarkshire | 1750 | 1800 | Shona |
| Steven (S315) | Galston, Ayrshire | 1790 | 1840 | Shona |
| Stevens (S315) | Banbury, Oxfordshire | 1850 | 1900 | Merry |
| Stevens (S315) | Beds | 1580 | 1720 | Oakum Picker |
| Stevens (S315) | BICESTER | 1700 | 1890 | j9diabolo |
| Stevens (S315) | Denham Buckinghamshre | 1700 | 1900 | Jazzycat |
| Stevens (S315) | Staines, Middlesex | 1750 | 1850 | Merry |
| Stevenson (S315) | St Ninians, Scotland | 1700 | | Quirkey |
| Stevenson (S315) | Staffordshire | 1800 | 1850 | Gert in Oz |
| Stewart (S363) | Renfrewshire | 1800 | | |
| Stiddard (S336) | Mangotsfield, Gloucestershire and Fulham, London | 1840 | 1895 | Merry |
| Stiles (S342) | Middlesex and Surrey | | | Nona |
| Stillings (S345) | Ecclesfiield and Monk Frystone, Yorkshire | 1750 | 1800 | ElizabethHerts |
| Stillings (S345) | Sowerby Bridge and Skircoat, Yorkshire | 1790 | 1880 | ElizabethHerts |
| Stilwell (S344) | Linchmere, Sussex | 1700 | 1900 | ElizabethHerts |
| Stilwell, Stillaway (S344) | Bramshott, Hampshire | 1600 | 1750 | ElizabethHerts |
| Stinchcombe (S352) | Lancaster | 1800 | 1900 | Tilly Mint |
| Stinson (S352) | Coleorton, Leicestershire | 1700 | 1800 | vernpres |
| Stirton (S363) | Angus, Perth, | 1770 | 1950 | JBee |
| Stokes (S322) | Bethnal Green | 1785 | 1880 | Sue from Southend |
| Stokes (S322) | Farrington Gurney, Somerset | 1700 | 1800 | Merry |
| Stone (S350) | Middlesex | 1903 | 1960 | sue |
| Stott (S330) | Lancashire - Rochdale - Oldham/Shaw | 1596 | 1836 | |
| Stott (S330) | Newton Heath Manchester | | | Hopeful |
| Stott (S330) | Snaith, Yorkshire | 1550 | 1569 | |
| Stow / Stowe (S323) | Banbury area, Oxfordshire, UK | 1700 | 1750 | Christine in Herts |
| Stratford (S363) | Wigginton, Oxfordshire, UK | 1810 | 1900 | Christine in Herts |
| Street (S363) | Derbyshire | 1800 | 1900 | Gert in Oz |
| Street (S363) | Northamptonshire and Shoreditch | | | nikkib |
| Stroud (S363) | Wiltshire and Derbyshire | 1700 | 1900 | Gert in Oz |
| Stroyd/ Stride (S363) | Hanbury. Dudley Worcestershire, Barrow in Furness | 1718 | 1960 | |
| Stuart, Stewart (S363) | Scotland,Jamaica | 1700 | 1950 | Jojob |
| Stubbs (S312) | Birmingham, UK | 1827 | | JALimestonePlains |
| Stuckey (S320) | Langport, Somerset,England | 1700 | 1900 | Patacake |
| Stump (S351) | Kentucky USA and Los Angeles, California USA | 1884 | | MacPanda |
| Sturge (S362) | Gloucestershire, Herefordshire | 1650 | 1810 | Nona |
| Sturt (S363) | Guildford | 1650 | 1750 | ElizabethHerts |
| Stuttard (S336) | Colne, Lancashire | | | Vivian |
| Sugden (S235) | Halifax | 1800 | 1950 | rachelagourakis |
| Surl (S640) | Newent, Gloucester, Tewkesbury | 1700 | 1910 | luxmalc |
| Sutton (S350) | Banbury, Oxon | 1820 | 1860 | j9diabolo |
| Sutton (S350) | Norfolk, England | 1700 | 2013 | Crafty Sue |
| Sutton (S350) | Stockport, Cheshire | 1750 | 1950 | j9diabolo |
| Swallow (S400) | Middleton & Ashton-under-Lyne, Lancashire | | | Vivian |
| Swatridge (S363) | Weymouth, Dorset | 1790 | 1850 | Merry |
| Swayne (S500) | Cocking, Sussex | 1500 | 1650 | ElizabethHerts |
| Swetman (S355) | Dorset | 1800 | 1850 | Merry |
| Swift (S130) | Goodrich Herefordshire | 1580 | 1660 | Swift |
| Symons/Simons (S552) | Cornwall St. Keverne (Kilter) | 1750 | 1865 | |