- Meaning:brennan as a girl, the name is used (also, more in general, as a young man by the name brennan), is of irish or gaelic origin, and the meaning of brennan is "descendant of braonán". transferred use of the surname. braonán is a personal name meaning "moisture, drop" or may also be a contracted form of brendan.,brennan as a boy's name (also less often than the names of girl brennan) is very bren-a. he is irish gaelic and the origin, and the meaning of brennan is "teardrop". variant of brendan. also in the form of brandon.,a descendant of the sad,the life of the beacon,shaped like a teardrop, the sadness,teardrop-shaped
- Gender:Unisex
- Origin:,gaelic,irish
More About The Name brennan
The name Brennan is of Irish origin and is derived from the Gaelic surname Ó Braonáin, meaning "descendant of Braonán." The name is primarily used as a surname but gained popularity as a given name in the 20th century.
Read MoreSome famous personalities with the name Brennan include:
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