Occupation listed as Tailor in marriage registration of son William. In 1861 census, only William Flinn listed as Tailor in London was listed as born in Ireland and 58 years old. He was a widower at the time and the only Flinn in a large rooming house at 2 Regents Place.

In 1851, index lists surname as “Flint” but original appears as “Flin” or “Flins” and indicates born Bethnal Green.