Francis appears to be female not male!
Married 17 July 1842 St John the Baptist, Colsterworth
Richard Taylor, son of Robert
Frances Kelly, daughter of John
Also son John's marriage
Married 30 August 1842 St John the Baptist, Colsterworth
John Kelly, son of John
Ann Harris, daughter of William
Both these are from Lincolnshire 1837+ Marriage Indexes, under Grantham District
http://mi.lincolnshiremarriages.org.uk/