The surname O'Flanill comes from the Irish name O Flannghaile. Although located close to a sept of O'Flannery (O Flannabhra) in County Mayo, the two septs are quite distinct.
Early Origins of the O'Flanill family
Sligo (Irish: Sligeach), in the province of Connacht in Northwestern Ireland. One named O Flannghaile (d.1395) was the vicar of Skreen, in the barony of Tireragh, County Sligo, which borders on County Mayo. The name appears as O'Flanhill and O'Flanill in the 16th century Tudor Fiants, in Rosserk, County Mayo, and Kilglass, County Sligo.
Early History of the O'Flanill family
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O'Flanill Spelling Variations
Spelling variations of this family name include: Flannelly, O'Flannelly, O'Flanhill, O'Flanill and many more.
Early Notables of the O'Flanill family (pre 1700)
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Migration of the O'Flanill family to the New World and Oceana
Some of the first settlers of this family name or some of its variants were: Manus Flanelly, who settled in Nova Scotia in 1834; Timothy Flannelly, who settled in New York in 1835; James Flannelly, who was naturalized in New York in 1838.