Brennan

Given to 35,487 US babies since 1916

▼ Falling −35% vs. 2018–2020

Rank in 2025

#9457

recorded as girls

3,290 since 2024

#1002

recorded as boys

55 since 2024

Babies in 2025

236

girls 10 · boys 226

Peak year

2009

1,464 babies recorded as boys

All-time total

35,487

since 1916

Born a Brennan? See how many share your birth year.

Any year from 1880 to 2025.

Babies per 1,000 (same sex), 1880–2025

Recorded as girls Recorded as boys

Brennan was most popular in 2009, when 1,464 babies recorded as boys got the name (0.74 per 1,000). In 2025, 226 babies were named Brennan, ranking #1002 for babies recorded as boys. Compared with 2018–2020, it's down 35%.

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Show every year

Year	Girls	Rank	Boys	Rank
2025	10	9457	226	1002
2024	19	6167	207	1057
2023	16	6922	213	1024
2022	26	5028	224	995
2021	30	4507	265	871
2020	32	4263	315	764
2019	32	4343	340	719
2018	30	4562	382	661
2017	44	3479	464	585
2016	35	4157	549	534
2015	40	3767	690	444
2014	57	2969	806	387
2013	66	2661	927	345
2012	73	2495	1,011	318
2011	87	2173	1,177	293
2010	81	2341	1,279	270
2009	86	2270	1,464	242
2008	83	2334	1,316	263
2007	100	2034	1,207	286
2006	69	2602	1,116	299
2005	47	3257	1,054	312
2004	63	2620	1,061	300
2003	41	3472	1,127	276
2002	58	2642	1,121	273
2001	60	2540	1,121	274
2000	42	3216	1,158	276
1999	58	2471	1,106	270
1998	65	2188	1,051	274
1997	52	2481	967	288
1996	60	2229	895	297
1995	62	2155	916	288
1994	76	1862	756	329
1993	57	2267	663	356
1992	50	2513	642	368
1991	53	2388	698	346
1990	41	2799	606	382
1989	33	3165	445	446
1988	28	3393	460	421
1987	34	2852	422	428
1986	30	3054	292	520
1985	20	3983	253	553
1984	28	3069	232	562
1983	25	3242	182	633
1982	19	4025	152	706
1981	14	4963	139	735
1980	23	3506	142	737
1979	16	4420	136	740
1978	16	4242	123	760
1977	8	6892	108	819
1976	10	5601	99	838
1975	11	5161	102	822
1974	7	6900	89	849
1973	6	7435	69	971
1972	<5	—	57	1069
1971	<5	—	78	920
1970	<5	—	73	931
1969	<5	—	66	944
1968	<5	—	58	958
1967	<5	—	53	992
1966	<5	—	53	998
1965	<5	—	36	1271
1964	<5	—	30	1435
1963	<5	—	32	1375
1962	<5	—	24	1625
1961	<5	—	25	1602
1960	<5	—	17	1973
1959	<5	—	11	2530
1958	<5	—	14	2177
1957	<5	—	9	2822
1956	<5	—	11	2497
1955	<5	—	10	2558
1954	<5	—	8	2942
1953	<5	—	6	3425
1952	<5	—	<5	—
1951	<5	—	5	3714
1950	<5	—	6	3329
1949	<5	—	6	3298
1948	<5	—	<5	—
1947	<5	—	<5	—
1946	<5	—	<5	—
1945	<5	—	<5	—
1944	<5	—	<5	—
1943	<5	—	<5	—
1942	<5	—	<5	—
1941	<5	—	<5	—
1940	<5	—	<5	—
1939	<5	—	<5	—
1938	<5	—	<5	—
1937	<5	—	<5	—
1936	<5	—	<5	—
1935	<5	—	<5	—
1934	<5	—	<5	—
1933	<5	—	<5	—
1932	<5	—	<5	—
1931	<5	—	<5	—
1930	<5	—	<5	—
1929	<5	—	<5	—
1928	<5	—	<5	—
1927	<5	—	<5	—
1926	<5	—	<5	—
1925	<5	—	<5	—
1924	<5	—	<5	—
1923	<5	—	<5	—
1922	<5	—	<5	—
1921	<5	—	<5	—
1920	<5	—	<5	—
1919	<5	—	<5	—
1918	<5	—	<5	—
1917	<5	—	<5	—
1916	<5	—	5	3897