Gender: Male
Origin: Irish
Meaning: Tear, Sorrow
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The name Brennan means Tear, Sorrow and is of Irish origin. Brennan is a name that's been used primarily by parents who are considering baby names for boys.

Diminutive of the Irish word, Braon.

Variations of the name Brennan: Brennen
Brennan Stats
checkmark Brennan is on 3,536 members' favorite name lists
checkmark Brennan is currently not ranked on the Baby Names popularity charts
checkmark Brennan is currently #662 in U.S. births