Name Trends

See the popularity of first names over time in the USA

How popular is “Guillermo” in the USA?

Number of people named “Guillermo” by birth year

This chart shows how many people named “Guillermo” were born each year.

Due to changes to population growth and data collection rates over time, this isn't a good chart for understanding popularity.

Popularity of “Guillermo” by birth year

This chart shows how the popularity of “Guillermo” has changed over time.

Popularity is the number of people named “Guillermo” born in that year divided by the total number of births for that year.

Bias in sex for “Guillermo” by birth year

This chart shows how “Guillermo” has been used as gendered name over time. The scale ranges from 1 (only females) to -1 (only males).

Sex is a required field in SSA's Social Security Card applications (only 2 options). Most applications are filed around a person's time of birth.

The raw data

This table shows the data used in the above charts.

Year Count Proportion Females Males Bias toward female
1885 5 0.000020759 5 -100%
1892 8 0.000023925 8 -100%
1897 5 0.000014411 5 -100%
1900 6 0.000013326 6 -100%
1904 10 0.000024784 10 -100%
1905 10 0.000023589 10 -100%
1907 6 0.000012892 6 -100%
1908 7 0.000014325 7 -100%
1909 5 0.00000978 5 -100%
1910 13 0.000022007 13 -100%
1911 10 0.000015521 10 -100%
1912 18 0.000018217 18 -100%
1913 16 0.000014071 16 -100%
1914 26 0.000018357 26 -100%
1915 33 0.000018009 33 -100%
1916 20 0.000010339 20 -100%
1917 40 0.000019933 40 -100%
1918 34 0.00001566 34 -100%
1919 43 0.000020377 43 -100%
1920 68 0.000030053 68 -100%
1921 44 0.000018848 44 -100%
1922 57 0.0000249 57 -100%
1923 89 0.000038654 89 -100%
1924 87 0.00003653 87 -100%
1925 88 0.000037715 88 -100%
1926 107 0.000046605 107 -100%
1927 100 0.000043115 100 -100%
1928 87 0.00003848 87 -100%
1929 94 0.00004288 94 -100%
1930 101 0.000045428 101 -100%
1931 100 0.00004752 100 -100%
1932 71 0.000033629 71 -100%
1933 74 0.00003701 74 -100%
1934 86 0.00004141 86 -100%
1935 72 0.000034451 72 -100%
1936 79 0.000038025 79 -100%
1937 67 0.000031446 67 -100%
1938 70 0.000031637 70 -100%
1939 63 0.000028592 63 -100%
1940 71 0.000030834 71 -100%
1941 89 0.000036529 89 -100%
1942 53 0.000019401 53 -100%
1943 79 0.000027989 79 -100%
1944 77 0.000028624 77 -100%
1945 94 0.000035433 94 -100%
1946 93 0.000029105 93 -100%
1947 114 0.000031646 114 -100%
1948 136 0.000039392 136 -100%
1949 137 0.000039314 137 -100%
1950 127 0.000036251 127 -100%
1951 133 0.000036105 133 -100%
1952 134 0.000035282 134 -100%
1953 126 0.000032696 126 -100%
1954 149 0.000037431 149 -100%
1955 150 0.000037359 150 -100%
1956 172 0.000041717 172 -100%
1957 158 0.0000376 158 -100%
1958 163 0.00003943 163 -100%
1959 183 0.000044012 183 -100%
1960 191 0.000045982 191 -100%
1961 171 0.000041281 171 -100%
1962 185 0.000045845 185 -100%
1963 193 0.00004876 193 -100%
1964 192 0.000049388 192 -100%
1965 203 0.000055993 203 -100%
1966 199 0.000057255 5 194 -95%
1967 242 0.000071283 242 -100%
1968 292 0.000086431 292 -100%
1969 244 0.000070209 244 -100%
1970 290 0.00008041 290 -100%
1971 314 0.000091482 314 -100%
1972 281 0.000089405 281 -100%
1973 347 0.000115019 347 -100%
1974 349 0.000114803 349 -100%
1975 354 0.000117242 5 349 -97%
1976 360 0.000118644 360 -100%
1977 351 0.000110499 351 -100%
1978 322 0.000101453 322 -100%
1979 394 0.000118425 394 -100%
1980 400 0.000116127 5 395 -98%
1981 433 0.000125167 5 428 -98%
1982 442 0.000125999 5 437 -98%
1983 423 0.000122136 423 -100%
1984 412 0.000118094 412 -100%
1985 437 0.000122439 5 432 -98%
1986 405 0.000113857 405 -100%
1987 389 0.000107887 389 -100%
1988 516 0.000139647 5 511 -98%
1989 532 0.000138381 532 -100%
1990 587 0.000148514 587 -100%
1991 590 0.000151466 8 582 -97%
1992 666 0.00017338 7 659 -98%
1993 661 0.000175319 7 654 -98%
1994 681 0.00018318 6 675 -98%
1995 629 0.000171757 6 623 -98%
1996 692 0.000189735 692 -100%
1997 632 0.000174309 632 -100%
1998 693 0.000188407 693 -100%
1999 665 0.000180028 665 -100%
2000 651 0.000172227 651 -100%
2001 620 0.000165625 620 -100%
2002 626 0.000167456 626 -100%
2003 595 0.000156483 595 -100%
2004 639 0.000167237 639 -100%
2005 616 0.000160215 616 -100%
2006 626 0.000158233 5 621 -98%
2007 610 0.000152588 610 -100%
2008 583 0.000148321 583 -100%
2009 534 0.000139784 534 -100%
2010 457 0.000123656 457 -100%
2011 408 0.000111543 408 -100%
2012 392 0.000107181 392 -100%
2013 348 0.000095456 348 -100%
2014 376 0.000101447 376 -100%
2015 389 0.000105109 389 -100%
2016 322 0.00008777 322 -100%
2017 289 0.000080812 289 -100%
2018 314 0.000089309 314 -100%
2019 320 0.000092194 320 -100%
2020 275 0.000082321 275 -100%
2021 299 0.000088254 299 -100%
2022 287 0.000084833 287 -100%
2023 292 0.000088186 292 -100%
2024 297 0.000089229 297 -100%

Explore other names

These names are alphabetically near to Guillermo:

  1. Guiliano
  2. Guilio
  3. Guillaume
  4. Guillerma
  5. Guillermina
  6. Guillermo (this page)
  7. Guilliana
  8. Guilmar
  9. Guin
  10. Guinda
  11. Guinette