Brennan / Brannon ancestors from County Roscommon?  

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Mac Branáin aka Brannon / Brennan  (lit. son of branán) is the name of a great Roscommonmon family, chiefs of Corca Achlann near Elphin. Mac Branáin is now generally, but not quite correctly, Anglicised Brennan

  • According to MacLysaght, the present day Brennan of Roscommon, Sligo, Mayo and Leitrim were nearly all originally MacBranan. Galway Brennans probably also originated as MacBranan in Roscommon.

18th and 19th-Century transcribers often recorded a Co. Roscommon Brannon as BrennanBrannanBranon / Branan /McBrannanMacBrannan.

To discover more (or contribute) link in with the Brennan stronghold parishes listed above and ... or ... post a message below! 

Additional Information
Date of Birth 1000  

References

SURNAME DICTIONARY: Brennan / Brannon Ireland VIEW SOURCE
GENETIC ORIGINS: MacBrannon Ireland VIEW SOURCE
STRONGHOLD MAP: Brennan / Brannon Ireland
FLAXGROWERS 1797: Brennan Co. Roscommon Ireland VIEW SOURCE
TITHES (Pre-Famine): Brennan / Brannon Ireland VIEW SOURCE
GRIFFITHS (Post-Famine): Brennan Ireland VIEW SOURCE
CENSUS 1901: Brennan, Co. Roscommon Ireland VIEW SOURCE
CENSUS 1911: Brennan, Co. Roscommon Ireland VIEW SOURCE
HEADSTONES: Brennan, Co. Roscommon Ireland VIEW SOURCE

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