Colby

#2,822 for girls in 2025, 60 births · #615 for boys in 2025, 455 births
Given to boys 92.8% of the time

Showing
Show data for
Peak · boys
2001 · 3,859 births
Debut · boys
5 births
In top 100 · boys
1 yr
of 146 years
Total births · boys
53,971
since 1888

Colby over time

girlsboys

Rank within each sex, plotted together. Click any year to open it.

#1#10#100#1,000#10,000rank188019001920194019601980200020202012peak #1,030, 1985peak #99, 2001girlsboys
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#2,82260#615455
2024#3,22549#583490
2023#3,38647#607467
2022#2,68964#600469
2021#2,95856#651420
2020#3,39945#618439
2019#3,27248#612447
2018#3,61442#597459
2017#3,34647#584465
2016#3,99637#529558
2015#3,47845#456665
2014#3,13752#427717
2013#4,33633#400746
2012#3,36448#341909
2011#2,98957#3141,026
2010#2,69166#2801,207
2009#2,56872#2851,152
2008#2,63070#2731,256
2007#2,68468#2831,221
2006#3,56444#2721,272
2005#2,96954#2201,603
2004#2,39671#1852,066
2003#2,08485#1812,170
2002#1,564119#1253,118
2001#1,540120#993,859
2000#1,262155#2341,465
1999#1,309138#2241,507
1998#1,77488#2201,456
1997#1,71890#2291,357
1996#1,551102#2251,344
1995#1,474108#2091,411
1994#1,229142#2001,449
1993#1,271134#2001,519
1992#1,138155#1971,574
1991#1,328124#2021,515
1990#1,265129#2451,129
1989#1,414105#2501,032
1988#1,384102#255922
1987#1,098138#257870
1986#1,142125#253891
1985#1,030146#286715
1984#1,080129#276759
1983#1,42382#300656
1982#2,90131#360494
1981#4,34417#539242
1980#2,86631#531262
1979#2,93129#478298
1978#3,09825#479289
1977#2,21641#467298
1976#2,09941#432320
1975#2,06042#413350
1974#2,06640#435330
1973#2,68926#445309
1972#3,06221#551209
1971#3,37319#559209
1970#3,31119#695142
1969#4,19812#84183
1968#4,48910#84474
1967—#1,15042
1966—#1,21638
1965#5,8176#1,36032
1964#6,0096#1,46229
1963#5,8916#1,35433
1962#5,8606#1,54626
1961—#1,23341
1960—#1,40032
1959#6,2455#1,46729
1958#6,1035#1,67722
1957#6,0865#1,41131
1956#5,9525#1,48028
1955#3,09514#1,53825
1954#5,1486#1,76219
1953#3,9559#1,90017
1952#3,7969#1,48526
1951—#2,05514
1950#4,3157#2,01914
1949—#1,50124
1948—#1,46025
1947—#1,85017
1946—#2,6908
1945—#1,77215
1944—#1,73816
1943—#2,40510
1942—#2,5239
1941—#2,8727
1940—#3,1306
1939—#2,4499
1938—#2,32610
1937—#2,9057
1936—#2,8547
1935—#2,39610
1934—#3,2776
1933—#3,2686
1932—#3,7765
1931—#3,7635
1930—#3,0228
1929—#3,9595
1928—#2,8439
1927—#2,70310
1926—#3,1398
1925—#3,1558
1924—#3,0239
1923—#3,4677
1922—#3,2528
1921—#2,37613
1920—#2,33613
1919—#3,1158
1918—#3,3687
1917—#2,7329
1916—#2,9268
1915——
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1889——
1888—#1,0315
1887——
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First appearance
1888

The first year at least five boys were named Colby! It came in at #1,031, and was given to 5 baby boys.


Quietest stretch: 1888–1915, when fewer than 6 boys a year got the name.

Where Colby is popular in 2012

  • Rank in state
  • Top 10
  • 11–50
  • 51–100
  • 101–500
  • 501+
  • Not published
Alaska: fewer than 5 boys named Colby, so not publishedAKMaine: #75 for boys · 20 births · 1 in 237 boysMEVermont: #92 for boys · 7 births · 1 in 254 boysVTNew Hampshire: #97 for boys · 15 births · 1 in 316 boysNHWashington: #261 for boys · 32 births · 1 in 1,123 boysWAIdaho: #396 for boys · 5 births · 1 in 1,619 boysIDMontana: fewer than 5 boys named Colby, so not publishedMTNorth Dakota: #220 for boys · 5 births · 1 in 770 boysNDMinnesota: #745 for boys · 5 births · 1 in 5,539 boysMNIllinois: #505 for boys · 21 births · 1 in 3,167 boysILWisconsin: #344 for boys · 15 births · 1 in 1,819 boysWIMichigan: #623 for boys · 11 births · 1 in 4,331 boysMINew York: #721 for boys · 19 births · 1 in 5,490 boysNYMassachusetts: #190 for boys · 33 births · 1 in 899 boysMARhode Island: #186 for boys · 5 births · 1 in 786 boysRIOregon: #272 for boys · 16 births · 1 in 1,129 boysORNevada: #482 for boys · 5 births · 1 in 2,656 boysNVWyoming: fewer than 5 boys named Colby, so not publishedWYSouth Dakota: fewer than 5 boys named Colby, so not publishedSDIowa: #290 for boys · 13 births · 1 in 1,163 boysIAIndiana: #455 for boys · 13 births · 1 in 2,744 boysINOhio: #523 for boys · 16 births · 1 in 3,735 boysOHPennsylvania: #292 for boys · 36 births · 1 in 1,673 boysPANew Jersey: #553 for boys · 11 births · 1 in 3,770 boysNJConnecticut: #254 for boys · 11 births · 1 in 1,305 boysCTCalifornia: #477 for boys · 65 births · 1 in 3,546 boysCAUtah: #323 for boys · 15 births · 1 in 1,444 boysUTColorado: #298 for boys · 21 births · 1 in 1,293 boysCONebraska: #258 for boys · 10 births · 1 in 989 boysNEMissouri: #254 for boys · 27 births · 1 in 1,176 boysMOKentucky: #326 for boys · 12 births · 1 in 1,848 boysKYWest Virginia: fewer than 5 boys named Colby, so not publishedWVVirginia: #238 for boys · 36 births · 1 in 1,162 boysVAMaryland: #278 for boys · 20 births · 1 in 1,387 boysMDDelaware: #151 for boys · 7 births · 1 in 507 boysDEArizona: #372 for boys · 18 births · 1 in 2,055 boysAZNew Mexico: fewer than 5 boys named Colby, so not publishedNMKansas: #352 for boys · 10 births · 1 in 1,609 boysKSArkansas: #198 for boys · 18 births · 1 in 793 boysARTennessee: #306 for boys · 23 births · 1 in 1,556 boysTNNorth Carolina: #222 for boys · 50 births · 1 in 1,011 boysNCSouth Carolina: #336 for boys · 12 births · 1 in 1,743 boysSCDistrict of Columbia: fewer than 5 boys named Colby, so not publishedDCOklahoma: #335 for boys · 14 births · 1 in 1,447 boysOKLouisiana: #223 for boys · 25 births · 1 in 967 boysLAMississippi: #281 for boys · 10 births · 1 in 1,345 boysMSAlabama: #200 for boys · 24 births · 1 in 925 boysALGeorgia: #269 for boys · 40 births · 1 in 1,350 boysGAHawaii: fewer than 5 boys named Colby, so not publishedHITexas: #349 for boys · 89 births · 1 in 1,996 boysTXFlorida: #459 for boys · 32 births · 1 in 2,874 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Maine#75 · 1 in 237
  2. Vermont#92 · 1 in 254
  3. New Hampshire#97 · 1 in 316
  4. Delaware#151 · 1 in 507
  5. Rhode Island#186 · 1 in 786

Best ever in a state: #15 in Maine, 2002.

Show every state
StateRankBirthsShare
Maine#75201 in 237
Vermont#9271 in 254
New Hampshire#97151 in 316
Delaware#15171 in 507
Rhode Island#18651 in 786
Massachusetts#190331 in 899
Arkansas#198181 in 793
Alabama#200241 in 925
North Dakota#22051 in 770
North Carolina#222501 in 1,011
Louisiana#223251 in 967
Virginia#238361 in 1,162
Connecticut#254111 in 1,305
Missouri#254271 in 1,176
Nebraska#258101 in 989
Washington#261321 in 1,123
Georgia#269401 in 1,350
Oregon#272161 in 1,129
Maryland#278201 in 1,387
Mississippi#281101 in 1,345
Iowa#290131 in 1,163
Pennsylvania#292361 in 1,673
Colorado#298211 in 1,293
Tennessee#306231 in 1,556
Utah#323151 in 1,444
Kentucky#326121 in 1,848
Oklahoma#335141 in 1,447
South Carolina#336121 in 1,743
Wisconsin#344151 in 1,819
Texas#349891 in 1,996
Kansas#352101 in 1,609
Arizona#372181 in 2,055
Idaho#39651 in 1,619
Indiana#455131 in 2,744
Florida#459321 in 2,874
California#477651 in 3,546
Nevada#48251 in 2,656
Illinois#505211 in 3,167
Ohio#523161 in 3,735
New Jersey#553111 in 3,770
Michigan#623111 in 4,331
New York#721191 in 5,490
Minnesota#74551 in 5,539
Alaska———
District of Columbia———
Hawaii———
Montana———
New Mexico———
South Dakota———
West Virginia———
Wyoming———

Ranks are within each state; “1 in N” is out of the boys born there that year. The SSA only publishes a name in a state when 5 or more babies of one sex got it.

See more about Colby
Momentum · boys
Holding steady
  • 32 spots since 2024 (#583 → #615)
  • 3 spots since 2020 (#618 → #615)
  • 159 spots since 2015 (#456 → #615)
  • Biggest jump: 306 spots in 1968 (#1,150 → #844)
  • Biggest drop: 73 spots in 2016 (#456 → #529)
Rise & fade · boys
113 yrs to peak
  • Debuted 1888
  • Peaked 2001 at #99 (3,859 births)
  • Births halved by 2005, 4 yrs later
Top of the charts · boys
Top 100 for 1 yr
  • Top 10: never
  • Top 100: 1 yr · 2001
  • Top 1,000: 58 yrs · run 1968–2025
Share of babies · boys
1 in 503
  • Highest: 1 in 503 boys born in 2001 were named Colby (0.20%)
  • Latest: 1 in 3,754 boys born in 2025 (0.03%)
Era · boys
The 2000s
  • 35.5% of all boys named Colby (19,182) were born in this decade
Girls or boys?
Never flipped
  • The majority has never changed
all girlsall boys
Show by decade
DecadeBirthsBest rankAvg rank
1880s5#1,031 (1888)#1,031
1890s0——
1900s0——
1910s32#2,732 (1917)#3,035
1920s90#2,336 (1920)#3,025
1930s73#2,326 (1938)#3,004
1940s137#1,460 (1948)#2,194
1950s225#1,411 (1957)#1,679
1960s430#841 (1969)#1,241
1970s2,754#413 (1975)#495
1980s6,843#250 (1989)#331
1990s14,261#197 (1992)#215
2000s19,182#99 (2001)#216
2010s7,199#280 (2010)#454
2020s2,740#583 (2024)#612

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.

Colby in 2012

girls
#3,364
48 births · 1 in 36,689 girls
boys
#341
909 births · 1 in 2,087 boys

Top girls' names in 2012

  1. #1Sophia22,336
  2. #2Emma20,976
  3. #3Isabella19,138
  4. #4Olivia17,333
  5. #5Ava15,549
  6. #6Emily13,666
  7. #7Abigail12,730
  8. #8Mia12,039
  9. #9Madison11,417
  10. #10Elizabeth9,730
  11. #3,364Colby48

Top boys' names in 2012

  1. #1Jacob19,110
  2. #2Mason18,994
  3. #3Ethan17,697
  4. #4Noah17,385
  5. #5William16,917
  6. #6Liam16,824
  7. #7Michael16,211
  8. #8Jayden16,152
  9. #9Alexander15,259
  10. #10Aiden14,924
  11. #341Colby909
More about 2012

girls

1,761,053 girls got a published name in 2012; 1 in 36,689 of them was named Colby, which outranked 82.8% of the 19,534 girls' names that year. The ten most popular names covered 8.8% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Colby
  1. #3,314Yessica49
  2. #3,314Zamora49
  3. #3,314Zayleigh49
  4. #3,364Colby48
  5. #3,364Aahana48
  6. #3,364Aislin48
  7. #3,364Akari48
  8. #3,419Abbygale47
  9. #3,419Akayla47
  10. #3,419Alahna47

Tied with 54 names at #3,364; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 2011
Risers
  1. ↑ 4,327Cataleya#4,807 → #480
  2. ↑ 1,931Adley#2,664 → #733
  3. ↑ 917Litzy#1,515 → #598
  4. ↑ 784Kenia#1,427 → #643
  5. ↑ 580Monroe#1,531 → #951
Fallers
  1. ↓ 429Jaden#979 → #1,408
  2. ↓ 365Payten#994 → #1,359
  3. ↓ 326Yamilet#925 → #1,251
  4. ↓ 316Shaniya#915 → #1,231
  5. ↓ 264Shania#898 → #1,162

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

boys

1,896,946 boys got a published name in 2012; 1 in 2,087 of them was named Colby, which outranked 97.6% of the 14,250 boys' names that year. The ten most popular names covered 8.9% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Colby
  1. #338Brycen931
  2. #339Desmond924
  3. #340Malik913
  4. #341Colby909
  5. #342Nehemiah906
  6. #343Leland897
  7. #344Marcos893
Biggest movers since 2011
Risers
  1. ↑ 1,237Jionni#2,105 → #868
  2. ↑ 551Foster#1,544 → #993
  3. ↑ 504Major#990 → #486
  4. ↑ 433Kase#1,395 → #962
  5. ↑ 428Jael#1,411 → #983
Fallers
  1. ↓ 241Jerimiah#889 → #1,130
  2. ↓ 235Lathan#932 → #1,167
  3. ↓ 229Jorden#676 → #905
  4. ↓ 209Kyron#886 → #1,095
  5. ↓ 207Jakobe#928 → #1,135

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

See the top 100 for 2012 →