Guillermo
Last seen for girls in 2006 at #17,168 · #901 for boys in 2025, 264 births
Given to boys 99.8% of the time
- Peak · boys
- 1996 · 692 births
- Debut · boys
- 5 births
- In top 100 · boys
- neverof 146 years
- Total births · boys
- 32,074since 1885
Guillermo over time
Rank among boys' names. Guillermo has never cracked the top 300 here.
Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.
Show data table
| Year | girls | boys | ||
|---|---|---|---|---|
| rank | births | rank | births | |
| 2025 | — | #901 | 264 | |
| 2024 | — | #831 | 299 | |
| 2023 | — | #833 | 294 | |
| 2022 | — | #848 | 287 | |
| 2021 | — | #811 | 299 | |
| 2020 | — | #832 | 275 | |
| 2019 | — | #747 | 320 | |
| 2018 | — | #751 | 314 | |
| 2017 | — | #795 | 289 | |
| 2016 | — | #754 | 322 | |
| 2015 | — | #661 | 389 | |
| 2014 | — | #676 | 376 | |
| 2013 | — | #688 | 348 | |
| 2012 | — | #619 | 392 | |
| 2011 | — | #604 | 408 | |
| 2010 | — | #553 | 457 | |
| 2009 | — | #507 | 534 | |
| 2008 | — | #476 | 583 | |
| 2007 | — | #454 | 610 | |
| 2006 | #17,168 | 5 | #439 | 621 |
| 2005 | — | #434 | 616 | |
| 2004 | — | #406 | 639 | |
| 2003 | — | #428 | 595 | |
| 2002 | — | #404 | 626 | |
| 2001 | — | #402 | 620 | |
| 2000 | — | #391 | 651 | |
| 1999 | — | #387 | 665 | |
| 1998 | — | #369 | 693 | |
| 1997 | — | #382 | 632 | |
| 1996 | — | #352 | 692 | |
| 1995 | #11,783 | 6 | #380 | 623 |
| 1994 | #11,778 | 6 | #357 | 675 |
| 1993 | #10,588 | 7 | #360 | 654 |
| 1992 | #10,479 | 7 | #360 | 659 |
| 1991 | #9,336 | 8 | #389 | 582 |
| 1990 | — | #395 | 587 | |
| 1989 | — | #404 | 532 | |
| 1988 | #11,798 | 5 | #385 | 511 |
| 1987 | — | #451 | 388 | |
| 1986 | — | #429 | 405 | |
| 1985 | #10,677 | 5 | #409 | 432 |
| 1984 | — | #404 | 412 | |
| 1983 | — | #394 | 423 | |
| 1982 | #10,517 | 5 | #386 | 437 |
| 1981 | #10,411 | 5 | #392 | 428 |
| 1980 | #10,392 | 5 | #409 | 395 |
| 1979 | — | #400 | 394 | |
| 1978 | — | #441 | 322 | |
| 1977 | — | #422 | 351 | |
| 1976 | — | #410 | 360 | |
| 1975 | #9,067 | 5 | #416 | 349 |
| 1974 | — | #418 | 349 | |
| 1973 | — | #419 | 347 | |
| 1972 | — | #469 | 281 | |
| 1971 | — | #460 | 314 | |
| 1970 | — | #472 | 290 | |
| 1969 | — | #494 | 244 | |
| 1968 | — | #449 | 292 | |
| 1967 | — | #483 | 242 | |
| 1966 | #6,564 | 5 | #550 | 194 |
| 1965 | — | #539 | 203 | |
| 1964 | — | #571 | 192 | |
| 1963 | — | #567 | 193 | |
| 1962 | — | #576 | 185 | |
| 1961 | — | #606 | 171 | |
| 1960 | — | #565 | 191 | |
| 1959 | — | #580 | 184 | |
| 1958 | — | #603 | 162 | |
| 1957 | — | #611 | 158 | |
| 1956 | — | #580 | 172 | |
| 1955 | — | #604 | 150 | |
| 1954 | — | #605 | 149 | |
| 1953 | — | #636 | 126 | |
| 1952 | — | #608 | 134 | |
| 1951 | — | #610 | 133 | |
| 1950 | — | #606 | 127 | |
| 1949 | — | #577 | 137 | |
| 1948 | — | #572 | 136 | |
| 1947 | — | #645 | 114 | |
| 1946 | — | #671 | 93 | |
| 1945 | — | #624 | 94 | |
| 1944 | — | #707 | 77 | |
| 1943 | — | #724 | 79 | |
| 1942 | — | #910 | 53 | |
| 1941 | — | #646 | 89 | |
| 1940 | — | #726 | 71 | |
| 1939 | — | #763 | 63 | |
| 1938 | — | #730 | 70 | |
| 1937 | — | #742 | 67 | |
| 1936 | — | #660 | 79 | |
| 1935 | — | #716 | 72 | |
| 1934 | — | #650 | 86 | |
| 1933 | — | #694 | 74 | |
| 1932 | — | #739 | 71 | |
| 1931 | — | #584 | 100 | |
| 1930 | — | #610 | 101 | |
| 1929 | — | #630 | 94 | |
| 1928 | — | #676 | 87 | |
| 1927 | — | #629 | 100 | |
| 1926 | — | #605 | 107 | |
| 1925 | — | #682 | 88 | |
| 1924 | — | #704 | 87 | |
| 1923 | — | #682 | 89 | |
| 1922 | — | #924 | 57 | |
| 1921 | — | #1,058 | 44 | |
| 1920 | — | #812 | 68 | |
| 1919 | — | #1,034 | 43 | |
| 1918 | — | #1,192 | 34 | |
| 1917 | — | #1,033 | 40 | |
| 1916 | — | #1,594 | 20 | |
| 1915 | — | #1,124 | 33 | |
| 1914 | — | #1,127 | 26 | |
| 1913 | — | #1,311 | 16 | |
| 1912 | — | #1,095 | 18 | |
| 1911 | — | #1,117 | 10 | |
| 1910 | — | #859 | 13 | |
| 1909 | — | #1,440 | 5 | |
| 1908 | — | #1,113 | 7 | |
| 1907 | — | #1,200 | 6 | |
| 1906 | — | — | ||
| 1905 | — | #786 | 10 | |
| 1904 | — | #760 | 10 | |
| 1903 | — | — | ||
| 1902 | — | — | ||
| 1901 | — | — | ||
| 1900 | — | #1,162 | 6 | |
| 1899 | — | — | ||
| 1898 | — | — | ||
| 1897 | — | #1,057 | 5 | |
| 1896 | — | — | ||
| 1895 | — | — | ||
| 1894 | — | — | ||
| 1893 | — | — | ||
| 1892 | — | #792 | 8 | |
| 1891 | — | — | ||
| 1890 | — | — | ||
| 1889 | — | — | ||
| 1888 | — | — | ||
| 1887 | — | — | ||
| 1886 | — | — | ||
| 1885 | — | #936 | 5 | |
| 1884 | — | — | ||
| 1883 | — | — | ||
| 1882 | — | — | ||
| 1881 | — | — | ||
| 1880 | — | — | ||
The first year at least five boys were named Guillermo! It came in at #936, and was given to 5 baby boys.
Quietest stretch: 1885–1891, when fewer than 6 boys a year got the name.
See more about Guillermo
- 70 spots since 2024 (#831 → #901)
- 69 spots since 2020 (#832 → #901)
- 240 spots since 2015 (#661 → #901)
- Biggest jump: 581 spots in 1910 (#1,440 → #859)
- Biggest drop: 264 spots in 1942 (#646 → #910)
- Debuted 1885
- Peaked 1996 at #352 (692 births)
- Births halved by 2016, 20 yrs later
- Top 10: never
- Top 100: never
- Top 1,000: 110 yrs · run 1922–2025
- Highest: 1 in 2,737 boys born in 1996 were named Guillermo (0.04%)
- Latest: 1 in 6,470 boys born in 2025 (0.02%)
- 20.1% of all boys named Guillermo (6,462) were born in this decade
Show by decade
| Decade | Births | Best rank | Avg rank |
|---|---|---|---|
| 1880s | 5 | #936 (1885) | #936 |
| 1890s | 13 | #792 (1892) | #925 |
| 1900s | 44 | #760 (1904) | #1,077 |
| 1910s | 253 | #859 (1910) | #1,149 |
| 1920s | 821 | #605 (1926) | #740 |
| 1930s | 783 | #584 (1931) | #689 |
| 1940s | 943 | #572 (1948) | #680 |
| 1950s | 1,495 | #580 (1959) | #604 |
| 1960s | 2,107 | #449 (1968) | #540 |
| 1970s | 3,357 | #400 (1979) | #433 |
| 1980s | 4,363 | #385 (1988) | #406 |
| 1990s | 6,462 | #352 (1996) | #373 |
| 2000s | 6,095 | #391 (2000) | #434 |
| 2010s | 3,615 | #553 (2010) | #685 |
| 2020s | 1,718 | #811 (2021) | #843 |
All figures count published births only (names given to at least 5 boys in a year). Registrations before 1937 are incomplete, so early shares and totals run low.
Guillermo in 1975
Top girls' names in 1975
Top boys' names in 1975
More about 1975
girls
1,457,861 girls got a published name in 1975; 1 in 291,572 of them was named Guillermo, which outranked 14.6% of the 10,618 girls' names that year. The ten most popular names covered 17.4% of girls (24.6% in 1880, 7.0% in 2025).
Tied with 1,551 names at #9,067; 3 shown. Tied names share a rank, as in SSA's lists.
Among names in the top 1,000 of either year.
boys
1,561,357 boys got a published name in 1975; 1 in 4,474 of them was named Guillermo, which outranked 93.4% of the 6,337 boys' names that year. The ten most popular names covered 25.7% of boys (44.2% in 1880, 8.0% in 2025).
Among names in the top 1,000 of either year.