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Worldwide Name Statistics

Guillermo

Ranked #1293 - 1 in 288,840 people
US

Most common in

United States

28k bearers

World total

27,697

estimated living bearers

Global rank

#1293

worldwide

Country breakdown

United States28k
Worldwide
~28k
rank #1293
Rarity
1 in 288,840
of people globally
Gender split
100/0
male / female %
Countries covered
1
~28k in US

About the name Guillermo

There are an estimated 27,697 people named Guillermo alive worldwide today. That ranks Guillermo at #1293 globally, with the highest concentrations in United States.

In the United States, Guillermo is held by approximately 27,697 people, ranking #1293 among first names. That works out to roughly 8 per 100,000 Americans (or 1 in 11,983 U.S. residents).

Historically Guillermo is used overwhelmingly as a male name (99.8% male).

Guillermo appears in birth records going back to 1880. Use the chart below to see how its popularity has changed across decades, and the surname section to find common pairings.

Gender distribution

Based on historical birth records, this name is used predominantly male.

Male 99.8%Female 0.2%

Guillermo popularity by year

U.S. births per year for Guillermo, 1885 to 2025 (source: SSA name files).

Show data table
  1. 1885: 5
  2. 1892: 8
  3. 1897: 5
  4. 1900: 6
  5. 1904: 10
  6. 1905: 10
  7. 1907: 6
  8. 1908: 7
  9. 1909: 5
  10. 1910: 13
  11. 1911: 10
  12. 1912: 18
  13. 1913: 16
  14. 1914: 26
  15. 1915: 33
  16. 1916: 20
  17. 1917: 40
  18. 1918: 34
  19. 1919: 43
  20. 1920: 68
  21. 1921: 44
  22. 1922: 57
  23. 1923: 89
  24. 1924: 87
  25. 1925: 88
  26. 1926: 107
  27. 1927: 100
  28. 1928: 87
  29. 1929: 94
  30. 1930: 101
  31. 1931: 100
  32. 1932: 71
  33. 1933: 74
  34. 1934: 86
  35. 1935: 72
  36. 1936: 79
  37. 1937: 67
  38. 1938: 70
  39. 1939: 63
  40. 1940: 71
  41. 1941: 89
  42. 1942: 53
  43. 1943: 79
  44. 1944: 77
  45. 1945: 94
  46. 1946: 93
  47. 1947: 114
  48. 1948: 136
  49. 1949: 137
  50. 1950: 127
  51. 1951: 133
  52. 1952: 134
  53. 1953: 126
  54. 1954: 149
  55. 1955: 150
  56. 1956: 172
  57. 1957: 158
  58. 1958: 162
  59. 1959: 184
  60. 1960: 191
  61. 1961: 171
  62. 1962: 185
  63. 1963: 193
  64. 1964: 192
  65. 1965: 203
  66. 1966: 199
  67. 1967: 242
  68. 1968: 292
  69. 1969: 244
  70. 1970: 290
  71. 1971: 314
  72. 1972: 281
  73. 1973: 347
  74. 1974: 349
  75. 1975: 354
  76. 1976: 360
  77. 1977: 351
  78. 1978: 322
  79. 1979: 394
  80. 1980: 400
  81. 1981: 433
  82. 1982: 442
  83. 1983: 423
  84. 1984: 412
  85. 1985: 437
  86. 1986: 405
  87. 1987: 388
  88. 1988: 516
  89. 1989: 532
  90. 1990: 587
  91. 1991: 590
  92. 1992: 666
  93. 1993: 661
  94. 1994: 681
  95. 1995: 629
  96. 1996: 692
  97. 1997: 632
  98. 1998: 693
  99. 1999: 665
  100. 2000: 651
  101. 2001: 620
  102. 2002: 626
  103. 2003: 595
  104. 2004: 639
  105. 2005: 616
  106. 2006: 626
  107. 2007: 610
  108. 2008: 583
  109. 2009: 534
  110. 2010: 457
  111. 2011: 408
  112. 2012: 392
  113. 2013: 348
  114. 2014: 376
  115. 2015: 389
  116. 2016: 322
  117. 2017: 289
  118. 2018: 314
  119. 2019: 320
  120. 2020: 275
  121. 2021: 299
  122. 2022: 287
  123. 2023: 294
  124. 2024: 299
  125. 2025: 264

Frequently asked questions

How many people are named Guillermo worldwide?

There are an estimated 27,697 people named Guillermo alive worldwide today, ranking #1293 globally.

Is Guillermo a rare name?

Worldwide that works out to about 1 in 288,840 people. In the United States there are roughly 27,697 bearers, which is 1 in 11,983 Americans.

Is Guillermo a boy or girl name?

Based on historical birth records, Guillermo is used 99.8% male and 0.2% female.

Where does the name Guillermo come from?

Who are famous people named Guillermo?

Data sources

Every figure on this page is cited. See the methodology page for the full picture.

Last updated:

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