How rare is the name Guillermina?

13,994 people in the United States have the first name Guillermina, about 1 in 21,583. It ranks #1,978 of 53,615 first names in the 2020 Census.

first name

GUILLERMINA

#1,978

of 53,615 first names recorded in the 2020 Census

People
13,994
About
1 in 21,583
This common or more
78%
Who bears it

Of the 13,994 people named Guillermina, 98.8% reported their origin as Hispanic or Latino. Virtually all are female (99.7%). These count how people described themselves on the 2020 Census, not where the name comes from.

Guillermina peaked in 1966, when 40 babies got the name.

Births per year, SSA records 1880–2025
19182024
Peak year
1966
Births that year
40
In 2024
6 ▼85%
Recorded as
almost entirely female

At least 1,925 babies have been given the name since 1918. Years SSA withheld, because fewer than 5 were born, are skipped rather than drawn as zero.

Guillermina by decade

Among all names given to American babies, its best decade was the 1950s, when it ranked #3,348. The largest share of babies named Guillermina, 27.7%, were born between 1965 and 1980, Generation X's birth years.

1910s#10,9266
1920s#5,091108
1930s#4,88394
1940s#4,167140
1950s#3,348274
1960s#3,547293
1970s#3,679350
1980s#5,487251
1990s#7,383228
2000s#14,374121
2010s#24,52149
2020s#32,45811
Greatest Generation 1901–274.4%
Silent Generation 1928–4510%
Baby boom 1946–6425.1%
Generation X 1965–8027.7%
Millennials 1981–9620.2%
Generation Z 1997–1210.1%
2013 and later2.4%

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.

Either side of Guillermina

#1,976 Lexie · 14,012#1,977 Nigel · 14,004#1,979 Estelle · 13,982#1,980 Lilah · 13,981

Spelled almost the same

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

#22,112 Guillerma · 453#51,658 Guilhermina · 112

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