Brenna

Used as a feminine form of the Irish surname Brennan, which anglicizes Ó Braonáin, meaning descendant of Braonán. The root braon means drop or moisture.

Brenna in 2025

Brenna was given to 108 babies in the United States in 2025, making it the 3,359th most popular name of the year. That is roughly one in every 30,698 babies born.

The history of Brenna

Brenna reached its highest point in 1995, when 1,212 babies were given the name, ranking 483rd that year.

Across the 80 years of records since 1946, 29,371 babies have been named Brenna. Half of them were born before 1998, which places the name's centre of gravity with Generation Z.

Brenna by decade

DecadeBabies named BrennaBest rank
1940s394,097
1950s2542,643
1960s5441,803
1970s1,6471,296
1980s4,187809
1990s9,202483
2000s9,000594
2010s3,784897
2020s7142,631

Where Brenna is heading

Brenna has fallen 70% over the past decade, from 356 babies in 2015 to 108 in 2025.

Names like Brenna

Names that rose and fell at the same time as Brenna.

Browse the most popular baby names