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Brennin
How to Pronounce Brennin
Pronounced BREN-in /ˈbrɛn.ɪn/Medium
Meaning: Brennin is a respelling of Brennan, from the Irish surname O Braonain, 'descendant of Braonan,' a personal name based on braon, 'drop, moisture,' often read as 'little sorrow' or 'teardrop.' The -in ending mirrors the spoken sound; like many Irish surnames it became a first name late in the twentieth century.Low
Popularity in the U.S. · SSA data
U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.
SSA data updated May 2026. How we source & verify this data.
History & Origin
Brennin is a variant spelling of Brennan, from the Irish surname O Braonain, 'descendant of Braonan,' from braon, 'drop, moisture' - poetically 'little sorrow' or 'teardrop.' Brennan moved from surname to boys' first name late in the twentieth century, and this Brennin spelling followed. It appears in United States records from the early nineteen-nineties and reached its small high in the early twenty-tens. It was never common, given to only a couple dozen boys a year.
Because its high came recently, a boy named Brennin is likely still young. The name reads as a contemporary Irish surname-style pick; the standard Brennan spelling is far more familiar, and Brennin stays rare.
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Frequently Asked
What does the name Brennin mean?
It is a spelling variant of Brennan, an Irish surname meaning 'descendant of Braonan,' tied to 'drop' or 'teardrop.'
How do you pronounce Brennin?
It's said BREN-in /ˈbrɛn.ɪn/, two syllables, stress on the first.
Is Brennin a boy or girl name?
Brennin is used as a boy's name.
How popular is Brennin?
It has always been rare in this spelling, given to only a couple dozen boys a year at its peak.