Brennan Name Origin
/BREN-an/-
American (Celtic) 50%
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Irish (Celtic) 30%
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Canadian (Celtic) 20%
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Name Details
- First Name: Brennan
- Last Name: N/A
- Name Order: Western
- Gender: Male
Name Origin
The name Brennan is of Irish origin, derived from the Gaelic Ó Braonáin, meaning 'descendant of Braonán'. It is common in Irish and Irish-descended communities, and has been adopted in English-speaking countries.
Name Trends
This chart shows how many babies were given the name Brennan each year, based on data from the U.S. Government's Social Security Administration (SSA).