Oh, he didn't like being a boring plain Jones, so he switched to the surname Basil-Jones!
Crockford's 1932:
https://www.ancestry.co.uk/interacti...d=GB1003-00079
BASIL-JONES, David James - Univ of Ox. BA 1901, MA 1905, St Mich Coll Aberdare, 1901 d 1902 Ban p 1903 St A for Ban. C of Holyhead 1902-6; Llanaber 1906; R of Penstrowed 1906-14; Llanenddwyn w Llanddwywe 1914-22; Criccieth w Treflys 1922-29; V of Carno 1929-31; Llandegai, Dio Ban from 1931. (Gross and Net Inc 340l and Ho.) Llandegai Vicarage, Bangor.
And here he is in 1911 with wife Gwendolen:
https://www.ancestry.co.uk/interacti...=successSource
He is age 32, born Carmarthenshire. Just trying to find his birth reg now...