Trend of the Popularity of Brennan as a Male Baby Name in Washington

Updated on December 6, 2025.

Data Source: Social Security Administration (SSA).

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In 2024, there were 8 male babies that were named Brennan in Washington, which was 0.03% of the total number of male babies born in Washington in 2024. Between 1980 and 2024, the name Brennan peaked as a male baby name in Washington in 2009 with a count of 36 babies, which was 0.10% of the total male babies born in Washington in 2009.

The first chart below show the trend of the number of male babies in Washington that were named Brennan, and the second chart shows the percent of male babies in Washington that were named Brennan.

Trend of the Number of Male Babies who were Named Brennan in Washington

Trend of the Percentage of Male Babies who were Named Brennan in Washington

The table below below shows the trend of the number of male babies and the percentage of male babies born in Washington who were named Brennan from 1980 to 2024.

Trend of the Popularity of Brennan as a Male Baby Name in Washington

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Year Number of Male Babies Percent of Total Male Babies (%)
1980 5 0.02
1981 6 0.02
1982 5 0.02
1984 7 0.02
1985 9 0.03
1987 14 0.04
1988 15 0.05
1989 15 0.04
1990 22 0.06
1991 20 0.06
1992 20 0.06
1993 20 0.06
1994 21 0.06
1995 22 0.07
1996 22 0.07
1997 31 0.09
1998 25 0.07
1999 24 0.07
2000 29 0.08
2001 26 0.08
2002 32 0.10
2003 20 0.06
2004 30 0.09
2005 21 0.06
2006 12 0.03
2007 23 0.06
2008 28 0.08
2009 36 0.10
2010 25 0.07
2011 22 0.06
2012 26 0.07
2013 18 0.05
2014 17 0.05
2015 13 0.04
2016 9 0.02
2017 6 0.02
2018 11 0.03
2019 8 0.02
2020 10 0.03
2021 5 0.02
2023 5 0.02
2024 8 0.03