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#10,000rank188019001920194019601980200020202008peak #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
1914
1913
1912
1911
1910
1909
1908
1907
1906
1905
1904
1903
1902
1901
1900
1899
1898
1897
1896
1895
1894
1893
1892
1891
1890
1889
1888#1,0315
1887
1886
1885
1884
1883
1882
1881
1880
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 2008

  • Rank in state
  • Top 10
  • 11–50
  • 51–100
  • 101–500
  • 501+
  • Not published
Alaska: fewer than 5 boys named Colby, so not publishedAKMaine: #47 for boys · 34 births · 1 in 150 boysMEVermont: #86 for boys · 8 births · 1 in 242 boysVTNew Hampshire: #94 for boys · 16 births · 1 in 330 boysNHWashington: #187 for boys · 47 births · 1 in 792 boysWAIdaho: #173 for boys · 15 births · 1 in 613 boysIDMontana: fewer than 5 boys named Colby, so not publishedMTNorth Dakota: fewer than 5 boys named Colby, so not publishedNDMinnesota: #261 for boys · 23 births · 1 in 1,297 boysMNIllinois: #667 for boys · 15 births · 1 in 4,984 boysILWisconsin: #642 for boys · 6 births · 1 in 4,893 boysWIMichigan: #551 for boys · 13 births · 1 in 3,954 boysMINew York: #378 for boys · 45 births · 1 in 2,425 boysNYMassachusetts: #154 for boys · 42 births · 1 in 762 boysMARhode Island: fewer than 5 boys named Colby, so not publishedRIOregon: #221 for boys · 23 births · 1 in 875 boysORNevada: #482 for boys · 5 births · 1 in 3,019 boysNVWyoming: fewer than 5 boys named Colby, so not publishedWYSouth Dakota: #194 for boys · 6 births · 1 in 695 boysSDIowa: #212 for boys · 18 births · 1 in 915 boysIAIndiana: #431 for boys · 14 births · 1 in 2,735 boysINOhio: #432 for boys · 21 births · 1 in 3,068 boysOHPennsylvania: #235 for boys · 46 births · 1 in 1,388 boysPANew Jersey: #364 for boys · 20 births · 1 in 2,279 boysNJConnecticut: #202 for boys · 15 births · 1 in 1,077 boysCTCalifornia: #412 for boys · 83 births · 1 in 3,062 boysCAUtah: #246 for boys · 22 births · 1 in 1,078 boysUTColorado: #263 for boys · 25 births · 1 in 1,187 boysCONebraska: #166 for boys · 17 births · 1 in 608 boysNEMissouri: #235 for boys · 29 births · 1 in 1,190 boysMOKentucky: #275 for boys · 15 births · 1 in 1,575 boysKYWest Virginia: fewer than 5 boys named Colby, so not publishedWVVirginia: #198 for boys · 41 births · 1 in 1,048 boysVAMaryland: #178 for boys · 34 births · 1 in 880 boysMDDelaware: fewer than 5 boys named Colby, so not publishedDEArizona: #472 for boys · 14 births · 1 in 3,100 boysAZNew Mexico: fewer than 5 boys named Colby, so not publishedNMKansas: #188 for boys · 23 births · 1 in 735 boysKSArkansas: #199 for boys · 17 births · 1 in 895 boysARTennessee: #204 for boys · 37 births · 1 in 1,019 boysTNNorth Carolina: #194 for boys · 60 births · 1 in 929 boysNCSouth Carolina: #150 for boys · 34 births · 1 in 677 boysSCDistrict of Columbia: fewer than 5 boys named Colby, so not publishedDCOklahoma: #182 for boys · 27 births · 1 in 794 boysOKLouisiana: #156 for boys · 38 births · 1 in 662 boysLAMississippi: #156 for boys · 24 births · 1 in 655 boysMSAlabama: #181 for boys · 29 births · 1 in 866 boysALGeorgia: #222 for boys · 57 births · 1 in 1,073 boysGAHawaii: fewer than 5 boys named Colby, so not publishedHITexas: #309 for boys · 108 births · 1 in 1,752 boysTXFlorida: #292 for boys · 58 births · 1 in 1,733 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Maine#47 · 1 in 150
  2. Vermont#86 · 1 in 242
  3. New Hampshire#94 · 1 in 330
  4. South Carolina#150 · 1 in 677
  5. Massachusetts#154 · 1 in 762

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

Show every state
StateRankBirthsShare
Maine#47341 in 150
Vermont#8681 in 242
New Hampshire#94161 in 330
South Carolina#150341 in 677
Massachusetts#154421 in 762
Louisiana#156381 in 662
Mississippi#156241 in 655
Nebraska#166171 in 608
Idaho#173151 in 613
Maryland#178341 in 880
Alabama#181291 in 866
Oklahoma#182271 in 794
Washington#187471 in 792
Kansas#188231 in 735
North Carolina#194601 in 929
South Dakota#19461 in 695
Virginia#198411 in 1,048
Arkansas#199171 in 895
Connecticut#202151 in 1,077
Tennessee#204371 in 1,019
Iowa#212181 in 915
Oregon#221231 in 875
Georgia#222571 in 1,073
Missouri#235291 in 1,190
Pennsylvania#235461 in 1,388
Utah#246221 in 1,078
Minnesota#261231 in 1,297
Colorado#263251 in 1,187
Kentucky#275151 in 1,575
Florida#292581 in 1,733
Texas#3091081 in 1,752
New Jersey#364201 in 2,279
New York#378451 in 2,425
California#412831 in 3,062
Indiana#431141 in 2,735
Ohio#432211 in 3,068
Arizona#472141 in 3,100
Nevada#48251 in 3,019
Michigan#551131 in 3,954
Wisconsin#64261 in 4,893
Illinois#667151 in 4,984
Alaska
Delaware
District of Columbia
Hawaii
Montana
New Mexico
North Dakota
Rhode Island
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 2008

girls
#2,630
70 births · 1 in 27,013 girls
boys
#273
1,256 births · 1 in 1,624 boys

Top girls' names in 2008

  1. #1Emma18,830
  2. #2Isabella18,629
  3. #3Emily17,448
  4. #4Olivia17,088
  5. #5Ava17,051
  6. #6Madison17,047
  7. #7Sophia16,091
  8. #8Abigail15,088
  9. #9Elizabeth12,027
  10. #10Chloe11,836
  11. #2,630Colby70

Top boys' names in 2008

  1. #1Jacob22,621
  2. #2Michael20,652
  3. #3Ethan20,223
  4. #4Joshua19,231
  5. #5Daniel19,032
  6. #6Alexander18,711
  7. #7Anthony18,417
  8. #8William18,403
  9. #9Christopher17,966
  10. #10Matthew17,604
  11. #273Colby1,256
More about 2008

girls

1,890,938 girls got a published name in 2008; 1 in 27,013 of them was named Colby, which outranked 87.2% of the 20,482 girls' names that year. The ten most popular names covered 8.5% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Colby
  1. #2,609Tanaya71
  2. #2,609Zia71
  3. #2,609Zykeria71
  4. #2,630Colby70
  5. #2,630Alayla70
  6. #2,630Amal70
  7. #2,630Arihanna70
  8. #2,663Angelena69
  9. #2,663Annaleigh69
  10. #2,663Beth69

Tied with 32 names at #2,630; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 2007
Risers
  1. 9,375Dayami#10,129#754
  2. 4,524Allisson#4,944#420
  3. 1,019Alisson#1,804#785
  4. 851Milagros#1,579#728
  5. 807Mareli#1,530#723
Fallers
  1. 391Kelis#968#1,359
  2. 390Joselin#755#1,145
  3. 378Tyra#947#1,325
  4. 363Montana#932#1,295
  5. 337Allyssa#988#1,325

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

boys

2,040,150 boys got a published name in 2008; 1 in 1,624 of them was named Colby, which outranked 98.1% of the 14,625 boys' names that year. The ten most popular names covered 9.5% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Colby
  1. #270Kameron1,287
  2. #271Kyler1,269
  3. #272Axel1,257
  4. #273Colby1,256
  5. #273Jonas1,256
  6. #275Joaquin1,245
  7. #276Payton1,240
  8. #277Brock1,230

Tied names share a rank, as in SSA's lists.

Biggest movers since 2007
Risers
  1. 2,801Urijah#3,687#886
  2. 1,035Jadiel#1,912#877
  3. 790Aaden#1,132#342
  4. 676Chace#1,337#661
  5. 500Marley#1,263#763
Fallers
  1. 688Kelan#977#1,665
  2. 286Talen#990#1,276
  3. 281Nery#901#1,182
  4. 250Kellan#883#1,133
  5. 250Efren#977#1,227

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

See the top 100 for 2008