Trend of the Popularity of Guillermo as a Male Baby Name in California

Updated on December 6, 2025.

Data Source: Social Security Administration (SSA).

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In 2024, there were 68 male babies that were named Guillermo in California, which was 0.04% of the total number of male babies born in California in 2024. Between 1980 and 2024, the name Guillermo peaked as a male baby name in California in 1992 with a count of 321 babies, which was 0.11% of the total male babies born in California in 1992.

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

Trend of the Number of Male Babies who were Named Guillermo in California

Trend of the Percentage of Male Babies who were Named Guillermo in California

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

Trend of the Popularity of Guillermo as a Male Baby Name in California

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Year	Number of Male Babies	Percent of Total Male Babies (%)
1980	178	0.09
1981	170	0.09
1982	181	0.09
1983	184	0.09
1984	173	0.08
1985	199	0.09
1986	208	0.09
1987	190	0.08
1988	236	0.09
1989	245	0.09
1990	294	0.10
1991	299	0.10
1992	321	0.11
1993	308	0.11
1994	316	0.12
1995	282	0.11
1996	304	0.12
1997	265	0.11
1998	274	0.11
1999	254	0.11
2000	238	0.10
2001	189	0.08
2002	197	0.08
2003	197	0.08
2004	199	0.08
2005	204	0.08
2006	212	0.08
2007	206	0.08
2008	195	0.08
2009	171	0.07
2010	120	0.05
2011	121	0.05
2012	125	0.05
2013	107	0.05
2014	122	0.05
2015	115	0.05
2016	84	0.04
2017	73	0.03
2018	76	0.04
2019	73	0.04
2020	76	0.04
2021	80	0.04
2022	83	0.04
2023	72	0.04
2024	68	0.04