Boy
Brennan
Brennan means "descendant of the sorrowful/moist one", according to etymological references. It shows no signs of slowing down, reaching new highs in the 2000s. In the current registry, it is a name plenty of people share. The registry counts around 33,106 U.S. births under this name going back to 1900.
IrishIrish "Ó Braonáin"
EtymologyMeaning "descendant of the sorrowful/moist one"
Births by decade
1900s
0
1910s
5
1920s
0
1930s
0
1940s
6
1950s
80
1960s
399
1970s
1,010
1980s
2,973
1990s
8,873
2000s
12,389
2010s
7,371
Peaked in the 2000s · 33,106 total U.S. births since 1900