Name Trends

See the popularity of first names over time in the USA

How popular is “Colby” in the USA?

Number of people named “Colby” by birth year

This chart shows how many people named “Colby” 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 “Colby” by birth year

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

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

Bias in sex for “Colby” by birth year

This chart shows how “Colby” 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
1888 5 0.000016696 5 -100%
1916 8 0.000004136 8 -100%
1917 9 0.000004485 9 -100%
1918 7 0.000003224 7 -100%
1919 8 0.000003791 8 -100%
1920 13 0.000005745 13 -100%
1921 13 0.000005569 13 -100%
1922 8 0.000003495 8 -100%
1923 7 0.00000304 7 -100%
1924 9 0.000003779 9 -100%
1925 8 0.000003429 8 -100%
1926 8 0.000003484 8 -100%
1927 10 0.000004312 10 -100%
1928 9 0.000003981 9 -100%
1929 5 0.000002281 5 -100%
1930 8 0.000003598 8 -100%
1931 5 0.000002376 5 -100%
1932 5 0.000002368 5 -100%
1933 6 0.000003001 6 -100%
1934 6 0.000002889 6 -100%
1935 10 0.000004785 10 -100%
1936 7 0.000003369 7 -100%
1937 7 0.000003285 7 -100%
1938 10 0.00000452 10 -100%
1939 9 0.000004085 9 -100%
1940 6 0.000002606 6 -100%
1941 7 0.000002873 7 -100%
1942 9 0.000003295 9 -100%
1943 10 0.000003543 10 -100%
1944 16 0.000005948 16 -100%
1945 15 0.000005654 15 -100%
1946 8 0.000002504 8 -100%
1947 17 0.000004719 17 -100%
1948 25 0.000007241 25 -100%
1949 24 0.000006887 24 -100%
1950 21 0.000005994 7 14 -33%
1951 14 0.0000038 14 -100%
1952 35 0.000009215 9 26 -49%
1953 26 0.000006747 9 17 -31%
1954 25 0.00000628 6 19 -52%
1955 39 0.000009713 14 25 -28%
1956 33 0.000008004 5 28 -70%
1957 36 0.000008567 5 31 -72%
1958 27 0.000006531 5 22 -63%
1959 34 0.000008177 5 29 -71%
1960 33 0.000007945 33 -100%
1961 40 0.000009656 40 -100%
1962 32 0.00000793 6 26 -63%
1963 39 0.000009853 6 33 -69%
1964 35 0.000009003 6 29 -66%
1965 38 0.000010481 6 32 -68%
1966 38 0.000010933 38 -100%
1967 42 0.000012372 42 -100%
1968 84 0.000024864 10 74 -76%
1969 96 0.000027623 12 84 -75%
1970 161 0.000044641 19 142 -76%
1971 228 0.000066427 19 209 -83%
1972 230 0.000073179 21 209 -82%
1973 335 0.000111042 26 309 -84%
1974 370 0.000121711 40 330 -78%
1975 392 0.000129827 42 350 -79%
1976 361 0.000118973 41 320 -77%
1977 339 0.000106721 41 298 -76%
1978 314 0.000098933 25 289 -84%
1979 327 0.000098287 29 298 -82%
1980 293 0.000085063 31 262 -79%
1981 259 0.000074869 17 242 -87%
1982 525 0.00014966 31 494 -88%
1983 738 0.000213089 82 656 -78%
1984 888 0.000254532 129 759 -71%
1985 861 0.000241237 146 715 -66%
1986 1016 0.000285628 124 892 -76%
1987 1008 0.000279564 138 870 -73%
1988 1025 0.000277399 103 922 -80%
1989 1137 0.000295751 105 1032 -82%
1990 1258 0.000318281 129 1129 -79%
1991 1639 0.000420767 124 1515 -85%
1992 1729 0.000450111 155 1574 -82%
1993 1653 0.000438429 134 1519 -84%
1994 1591 0.000427958 142 1449 -82%
1995 1519 0.000414783 108 1411 -86%
1996 1446 0.000396469 102 1344 -86%
1997 1447 0.00039909 90 1357 -88%
1998 1544 0.00041977 88 1456 -89%
1999 1645 0.000445333 138 1507 -83%
2000 1620 0.000428582 155 1465 -81%
2001 3979 0.00106294 120 3859 -94%
2002 3237 0.000865904 119 3118 -93%
2003 2255 0.000593059 85 2170 -92%
2004 2137 0.000559289 71 2066 -93%
2005 1657 0.000430967 54 1603 -93%
2006 1316 0.000332643 44 1272 -93%
2007 1289 0.000322437 68 1221 -89%
2008 1326 0.000337348 70 1256 -89%
2009 1224 0.000320404 72 1152 -88%
2010 1273 0.000344451 66 1207 -90%
2011 1083 0.00029608 57 1026 -89%
2012 956 0.00026139 48 908 -90%
2013 778 0.000213404 33 745 -92%
2014 769 0.00020748 52 717 -86%
2015 710 0.000191845 45 665 -87%
2016 593 0.000161638 37 556 -88%
2017 512 0.000143169 47 465 -82%
2018 501 0.000142496 42 459 -83%
2019 495 0.000142613 48 447 -81%
2020 484 0.000144885 45 439 -81%
2021 475 0.000140203 55 420 -77%
2022 532 0.000157251 64 468 -76%
2023 514 0.000155231 47 467 -82%
2024 538 0.000161634 49 489 -82%

Explore other names

These names are alphabetically near to Colby:

  1. Colbey
  2. Colbi
  3. Colbie
  4. Colbin
  5. Colburn
  6. Colby (this page)
  7. Colbyn
  8. Colden
  9. Coldin
  10. Cole
  11. Colean