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Worldwide Name Statistics

Colby

Ranked #823 - 1 in 144,404 people
US

Most common in

United States

55k bearers

World total

55,400

estimated living bearers

Global rank

#823

worldwide

Country breakdown

United States55k
Worldwide
~55k
rank #823
Rarity
1 in 144,404
of people globally
Gender split
93/7
male / female %
Countries covered
1
~55k in US

About the name Colby

There are an estimated 55,400 people named Colby alive worldwide today. That ranks Colby at #823 globally, with the highest concentrations in United States.

In the United States, Colby is held by approximately 55,400 people, ranking #823 among first names. That works out to roughly 17 per 100,000 Americans (or 1 in 5,991 U.S. residents).

Colby is used by both genders, 92.8% male and 7.2% female.

Colby 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 92.8%Female 7.2%

Colby popularity by year

U.S. births per year for Colby, 1888 to 2025 (source: SSA name files).

Show data table
  1. 1888: 5
  2. 1916: 8
  3. 1917: 9
  4. 1918: 7
  5. 1919: 8
  6. 1920: 13
  7. 1921: 13
  8. 1922: 8
  9. 1923: 7
  10. 1924: 9
  11. 1925: 8
  12. 1926: 8
  13. 1927: 10
  14. 1928: 9
  15. 1929: 5
  16. 1930: 8
  17. 1931: 5
  18. 1932: 5
  19. 1933: 6
  20. 1934: 6
  21. 1935: 10
  22. 1936: 7
  23. 1937: 7
  24. 1938: 10
  25. 1939: 9
  26. 1940: 6
  27. 1941: 7
  28. 1942: 9
  29. 1943: 10
  30. 1944: 16
  31. 1945: 15
  32. 1946: 8
  33. 1947: 17
  34. 1948: 25
  35. 1949: 24
  36. 1950: 21
  37. 1951: 14
  38. 1952: 35
  39. 1953: 26
  40. 1954: 25
  41. 1955: 39
  42. 1956: 33
  43. 1957: 36
  44. 1958: 27
  45. 1959: 34
  46. 1960: 32
  47. 1961: 41
  48. 1962: 32
  49. 1963: 39
  50. 1964: 35
  51. 1965: 38
  52. 1966: 38
  53. 1967: 42
  54. 1968: 84
  55. 1969: 95
  56. 1970: 161
  57. 1971: 228
  58. 1972: 230
  59. 1973: 335
  60. 1974: 370
  61. 1975: 392
  62. 1976: 361
  63. 1977: 339
  64. 1978: 314
  65. 1979: 327
  66. 1980: 293
  67. 1981: 259
  68. 1982: 525
  69. 1983: 738
  70. 1984: 888
  71. 1985: 861
  72. 1986: 1,016
  73. 1987: 1,008
  74. 1988: 1,024
  75. 1989: 1,137
  76. 1990: 1,258
  77. 1991: 1,639
  78. 1992: 1,729
  79. 1993: 1,653
  80. 1994: 1,591
  81. 1995: 1,519
  82. 1996: 1,446
  83. 1997: 1,447
  84. 1998: 1,544
  85. 1999: 1,645
  86. 2000: 1,620
  87. 2001: 3,979
  88. 2002: 3,237
  89. 2003: 2,255
  90. 2004: 2,137
  91. 2005: 1,657
  92. 2006: 1,316
  93. 2007: 1,289
  94. 2008: 1,326
  95. 2009: 1,224
  96. 2010: 1,273
  97. 2011: 1,083
  98. 2012: 957
  99. 2013: 779
  100. 2014: 769
  101. 2015: 710
  102. 2016: 595
  103. 2017: 512
  104. 2018: 501
  105. 2019: 495
  106. 2020: 484
  107. 2021: 476
  108. 2022: 533
  109. 2023: 514
  110. 2024: 539
  111. 2025: 515

Frequently asked questions

How many people are named Colby worldwide?

There are an estimated 55,400 people named Colby alive worldwide today, ranking #823 globally.

Is Colby a rare name?

Worldwide that works out to about 1 in 144,404 people. In the United States there are roughly 55,400 bearers, which is 1 in 5,991 Americans.

Is Colby a boy or girl name?

Based on historical birth records, Colby is used 92.8% male and 7.2% female.

Where does the name Colby come from?

Who are famous people named Colby?

Data sources

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

Last updated:

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