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

Showing
Show data for
Peak · boys
1996 · 692 births
Debut · boys
5 births
In top 100 · boys
never
of 146 years
Total births · boys
32,074
since 1885

Guillermo over time

boys

Rank among boys' names. Guillermo has never cracked the top 300 here.

#1#10#100#1,000rank188019001920194019601980200020201985peak #352, 1996boys
Hover or use arrow keys to read values by year; click or press Enter to open that year.

Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.

Show data table
Yeargirlsboys
rankbirthsrankbirths
2025#901264
2024#831299
2023#833294
2022#848287
2021#811299
2020#832275
2019#747320
2018#751314
2017#795289
2016#754322
2015#661389
2014#676376
2013#688348
2012#619392
2011#604408
2010#553457
2009#507534
2008#476583
2007#454610
2006#17,1685#439621
2005#434616
2004#406639
2003#428595
2002#404626
2001#402620
2000#391651
1999#387665
1998#369693
1997#382632
1996#352692
1995#11,7836#380623
1994#11,7786#357675
1993#10,5887#360654
1992#10,4797#360659
1991#9,3368#389582
1990#395587
1989#404532
1988#11,7985#385511
1987#451388
1986#429405
1985#10,6775#409432
1984#404412
1983#394423
1982#10,5175#386437
1981#10,4115#392428
1980#10,3925#409395
1979#400394
1978#441322
1977#422351
1976#410360
1975#9,0675#416349
1974#418349
1973#419347
1972#469281
1971#460314
1970#472290
1969#494244
1968#449292
1967#483242
1966#6,5645#550194
1965#539203
1964#571192
1963#567193
1962#576185
1961#606171
1960#565191
1959#580184
1958#603162
1957#611158
1956#580172
1955#604150
1954#605149
1953#636126
1952#608134
1951#610133
1950#606127
1949#577137
1948#572136
1947#645114
1946#67193
1945#62494
1944#70777
1943#72479
1942#91053
1941#64689
1940#72671
1939#76363
1938#73070
1937#74267
1936#66079
1935#71672
1934#65086
1933#69474
1932#73971
1931#584100
1930#610101
1929#63094
1928#67687
1927#629100
1926#605107
1925#68288
1924#70487
1923#68289
1922#92457
1921#1,05844
1920#81268
1919#1,03443
1918#1,19234
1917#1,03340
1916#1,59420
1915#1,12433
1914#1,12726
1913#1,31116
1912#1,09518
1911#1,11710
1910#85913
1909#1,4405
1908#1,1137
1907#1,2006
1906
1905#78610
1904#76010
1903
1902
1901
1900#1,1626
1899
1898
1897#1,0575
1896
1895
1894
1893
1892#7928
1891
1890
1889
1888
1887
1886
1885#9365
1884
1883
1882
1881
1880
First appearance
1885

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
Momentum · boys
Holding steady
  • 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)
Rise & fade · boys
111 yrs to peak
  • Debuted 1885
  • Peaked 1996 at #352 (692 births)
  • Births halved by 2016, 20 yrs later
Top of the charts · boys
Top 1,000 for 110 yrs
  • Top 10: never
  • Top 100: never
  • Top 1,000: 110 yrs · run 1922–2025
Share of babies · boys
1 in 2,737
  • 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%)
Era · boys
The 1990s
  • 20.1% of all boys named Guillermo (6,462) were born in this decade
Show by decade
DecadeBirthsBest rankAvg rank
1880s5#936 (1885)#936
1890s13#792 (1892)#925
1900s44#760 (1904)#1,077
1910s253#859 (1910)#1,149
1920s821#605 (1926)#740
1930s783#584 (1931)#689
1940s943#572 (1948)#680
1950s1,495#580 (1959)#604
1960s2,107#449 (1968)#540
1970s3,357#400 (1979)#433
1980s4,363#385 (1988)#406
1990s6,462#352 (1996)#373
2000s6,095#391 (2000)#434
2010s3,615#553 (2010)#685
2020s1,718#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 1985

girls
#10,677
5 births · 1 in 344,166 girls
boys
#409
432 births · 1 in 4,278 boys

Top girls' names in 1985

  1. #1Jessica48,345
  2. #2Ashley47,010
  3. #3Jennifer42,661
  4. #4Amanda39,055
  5. #5Sarah24,879
  6. #6Stephanie23,243
  7. #7Nicole22,966
  8. #8Heather21,151
  9. #9Elizabeth20,545
  10. #10Megan20,013
  11. #10,677Guillermo5

Top boys' names in 1985

  1. #1Michael64,934
  2. #2Christopher59,609
  3. #3Matthew47,075
  4. #4Joshua42,194
  5. #5Daniel38,559
  6. #6David38,522
  7. #7James35,862
  8. #8Robert32,094
  9. #9John31,502
  10. #10Joseph30,222
  11. #409Guillermo432
More about 1985

girls

1,720,828 girls got a published name in 1985; 1 in 344,166 of them was named Guillermo, which outranked 14.6% of the 12,505 girls' names that year. The ten most popular names covered 18.0% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Guillermo
  1. #9,307Zeena6
  2. #9,307Zeinab6
  3. #9,307Zohra6
  4. #10,677Guillermo5
  5. #10,677Aamanda5
  6. #10,677Aarthi5
  7. #10,677Abbagail5

Tied with 1,828 names at #10,677; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1984
Risers
  1. 7,360Kayleigh#8,153#793
  2. 1,675Madison#2,299#624
  3. 1,167Cierra#1,633#466
  4. 1,002Ciera#1,703#701
  5. 787Krystina#1,332#545
Fallers
  1. 1,164Grisel#784#1,948
  2. 893Ciji#963#1,856
  3. 419Falon#914#1,333
  4. 364Alesia#969#1,333
  5. 362Echo#845#1,207

Among names in the top 1,000 of either year.

boys

1,848,210 boys got a published name in 1985; 1 in 4,278 of them was named Guillermo, which outranked 94.6% of the 7,586 boys' names that year. The ten most popular names covered 22.8% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Guillermo
  1. #404Pierre447
  2. #407Noel445
  3. #408Rick444
  4. #409Guillermo432
  5. #410Herbert430
  6. #411Ben428
  7. #411Elias428
Biggest movers since 1984
Risers
  1. 2,425Jaymes#3,270#845
  2. 977Trace#1,933#956
  3. 933Durrell#1,656#723
  4. 793Durell#1,399#606
  5. 562Brandyn#1,444#882
Fallers
  1. 420Anwar#951#1,371
  2. 345Zebulon#976#1,321
  3. 303Tavares#925#1,228
  4. 250Alonso#931#1,181
  5. 228Abdul#1,000#1,228

Among names in the top 1,000 of either year.

See the top 100 for 1985