How rare is the name Brennon?

3,575 people in the United States have the first name Brennon, about 1 in 84,484. It ranks #4,974 of 53,615 first names in the 2020 Census, tied with 2 others.

first name

BRENNON

#4,974

of 53,615 first names recorded in the 2020 Census

People
3,575
About
1 in 84,484
This common or more
84.7%
Who bears it

Of the 3,575 people named Brennon, 75.1% reported their origin as White, 10.1% as Black and 5.9% as two or more races. 98.6% are male. These count how people described themselves on the 2020 Census, not where the name comes from.

Brennon peaked in 2009, when 189 babies got the name.

Births per year, SSA records 1880–2025
19582025
Peak year
2009
Births that year
189
In 2025*
16 ▼92%
Recorded as
almost entirely male

At least 4,382 babies have been given the name since 1958. Years SSA withheld, because fewer than 5 were born, are skipped rather than drawn as zero. * 2025 is the newest year published and it undercounts: a card application is filed some time after a birth.

Brennon by decade

Among all names given to American babies, its best decade was the 1990s, when it ranked #2,320. The largest share of babies named Brennon, 54.4%, were born between 1997 and 2012, as Generation Z.

1950s#14,0166
1960s#10,21636
1970s#6,279155
1980s#4,015391
1990s#2,3201,248
2000s#2,5251,485
2010s#3,980841
2020s#6,931220
Baby boom 1946–640.1%
Generation X 1965–805.2%
Millennials 1981–9625.5%
Generation Z 1997–1254.4%
2013 and later14.8%

Rank counts both sexes together, among every name SSA recorded that decade; the number under it is births. The 2020s run only to 2025. Generation years follow Pew Research Center, which has not named a generation after 2012.

Where Brennon is most common

Compared with all babies born in each state since 1910, Brennon has been most common in Louisiana (9.1×), Utah (7×), and Tennessee (2.1×), and least common in Illinois (0.37×).

2,036 births recorded by state, 1910–2025. 2× means twice as common as nationally. States with fewer than 30 such births are left blank, and SSA withholds any year with fewer than 5 in a state, so small states read low.

Exactly as common as Brennon

2 other first names also have 3,575 people.

Spelled almost the same

8 first names in the 2020 Census spelled within a letter or two of Brennon, most common first.

Also a last name

As a last name, Brennon ranks #85,854 of 156,621, with 234 people. See Brennon as a last name

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