Guillermina is a rare girls' name that peaked in 1966 and has since faded.
Guillermina is a girl name. It last appears in U.S. records in 2024. Guillermina was first reported in SSA data in 1918 and peaked in 1966 (40 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2024 | 6 | 6 | #14,068 |
| 2021 | 5 | 5 | #16,100 |
| 2019 | 9 | 9 | #10,784 |
| 2018 | 8 | 8 | #11,795 |
| 2015 | 5 | 5 | #17,399 |
| 2014 | 8 | 8 | #12,320 |
| 2013 | 5 | 5 | #17,499 |
| 2012 | 6 | 6 | #15,632 |
| 2011 | 8 | 8 | #12,573 |
| 2008 | 11 | 11 | #10,321 |
| 2007 | 10 | 10 | #11,115 |
| 2006 | 13 | 13 | #8,899 |
| 2005 | 14 | 14 | #8,043 |
| 2004 | 17 | 17 | #6,894 |
| 2003 | 12 | 12 | #8,692 |
| 2002 | 17 | 17 | #6,496 |
| 2001 | 16 | 16 | #6,725 |
| 2000 | 11 | 11 | #8,777 |
| 1999 | 24 | 24 | #4,631 |
| 1998 | 20 | 20 | #5,215 |
| 1997 | 15 | — | #6,277 |
| 1996 | 20 | — | #4,931 |
| 1995 | 21 | — | #4,733 |
| 1994 | 26 | — | #4,050 |
| 1993 | 27 | — | #3,909 |
| 1992 | 27 | — | #3,901 |
| 1991 | 20 | — | #4,872 |
| 1990 | 28 | — | #3,744 |
| 1989 | 22 | — | #4,289 |
| 1988 | 22 | — | #4,066 |
| 1987 | 14 | — | #5,395 |
| 1986 | 26 | — | #3,385 |
| 1985 | 29 | — | #3,111 |
| 1984 | 27 | — | #3,171 |
| 1983 | 28 | — | #3,006 |
| 1982 | 30 | — | #2,974 |
| 1981 | 22 | — | #3,654 |
| 1980 | 31 | — | #2,894 |
| 1979 | 34 | — | #2,636 |
| 1978 | 35 | — | #2,489 |
| 1977 | 39 | — | #2,318 |
| 1976 | 38 | — | #2,219 |
| 1975 | 36 | — | #2,290 |
| 1974 | 37 | — | #2,188 |
| 1973 | 40 | — | #2,034 |
| 1972 | 24 | — | #2,842 |
| 1971 | 30 | — | #2,503 |
| 1970 | 37 | — | #2,178 |
| 1969 | 35 | — | #2,147 |
| 1968 | 22 | — | #2,734 |
| 1967 | 26 | — | #2,396 |
| 1966 | 40 | — | #1,806 |
| 1965 | 30 | — | #2,172 |
| 1964 | 31 | — | #2,166 |
| 1963 | 23 | — | #2,570 |
| 1962 | 25 | — | #2,430 |
| 1961 | 30 | — | #2,167 |
| 1960 | 31 | — | #2,073 |
| 1959 | 34 | — | #1,932 |
| 1958 | 24 | — | #2,348 |
| 1957 | 23 | — | #2,374 |
| 1956 | 32 | — | #1,908 |
| 1955 | 31 | — | #1,922 |
| 1954 | 29 | — | #1,960 |
| 1953 | 29 | — | #1,896 |
| 1952 | 23 | — | #2,154 |
| 1951 | 22 | — | #2,145 |
| 1950 | 27 | — | #1,849 |
| 1949 | 23 | — | #2,032 |
| 1948 | 20 | — | #2,210 |
| 1947 | 13 | — | #2,960 |
| 1946 | 14 | — | #2,657 |
| 1945 | 12 | — | #2,650 |
| 1944 | 12 | — | #2,680 |
| 1943 | 11 | — | #2,921 |
| 1942 | 18 | — | #2,073 |
| 1941 | 7 | — | #3,723 |
| 1940 | 10 | — | #2,818 |
| 1939 | 12 | — | #2,479 |
| 1938 | 9 | — | #3,020 |
| 1937 | 10 | — | #2,818 |
| 1936 | 9 | — | #2,955 |
| 1935 | 6 | — | #3,948 |
| 1934 | 10 | — | #2,817 |
| 1933 | 10 | — | #2,759 |
| 1932 | 9 | — | #3,144 |
| 1931 | 8 | — | #3,330 |
| 1930 | 11 | — | #2,754 |
| 1929 | 14 | — | #2,363 |
| 1928 | 15 | — | #2,323 |
| 1927 | 9 | — | #3,399 |
| 1926 | 18 | — | #2,109 |
| 1925 | 20 | — | #1,966 |
| 1924 | 11 | — | #3,050 |
| 1923 | 11 | — | #3,005 |
| 1921 | 5 | — | #5,436 |
| 1920 | 5 | — | #5,288 |
| 1918 | 6 | — | #4,519 |