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#10,000rank188019001920194019601980200020202004peak #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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1911——
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1899——
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1889——
1888—#1,0315
1887——
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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 2004

  • Rank in state
  • Top 10
  • 11–50
  • 51–100
  • 101–500
  • 501+
  • Not published
Alaska: fewer than 5 boys named Colby, so not publishedAKMaine: #30 for boys · 55 births · 1 in 102 boysMEVermont: #27 for boys · 24 births · 1 in 94 boysVTNew Hampshire: #36 for boys · 48 births · 1 in 117 boysNHWashington: #111 for boys · 84 births · 1 in 411 boysWAIdaho: #143 for boys · 18 births · 1 in 482 boysIDMontana: #185 for boys · 6 births · 1 in 673 boysMTNorth Dakota: #116 for boys · 9 births · 1 in 372 boysNDMinnesota: #323 for boys · 15 births · 1 in 1,995 boysMNIllinois: #356 for boys · 34 births · 1 in 2,304 boysILWisconsin: #311 for boys · 14 births · 1 in 2,102 boysWIMichigan: #308 for boys · 28 births · 1 in 2,004 boysMINew York: #344 for boys · 48 births · 1 in 2,286 boysNYMassachusetts: #112 for boys · 63 births · 1 in 540 boysMARhode Island: fewer than 5 boys named Colby, so not publishedRIOregon: #123 for boys · 41 births · 1 in 472 boysORNevada: #202 for boys · 17 births · 1 in 814 boysNVWyoming: fewer than 5 boys named Colby, so not publishedWYSouth Dakota: #132 for boys · 10 births · 1 in 423 boysSDIowa: #147 for boys · 28 births · 1 in 578 boysIAIndiana: #241 for boys · 31 births · 1 in 1,250 boysINOhio: #240 for boys · 46 births · 1 in 1,449 boysOHPennsylvania: #161 for boys · 76 births · 1 in 835 boysPANew Jersey: #370 for boys · 18 births · 1 in 2,638 boysNJConnecticut: #118 for boys · 31 births · 1 in 561 boysCTCalifornia: #334 for boys · 112 births · 1 in 2,251 boysCAUtah: #110 for boys · 58 births · 1 in 379 boysUTColorado: #230 for boys · 28 births · 1 in 1,058 boysCONebraska: #128 for boys · 24 births · 1 in 439 boysNEMissouri: #152 for boys · 50 births · 1 in 679 boysMOKentucky: #199 for boys · 24 births · 1 in 914 boysKYWest Virginia: #163 for boys · 11 births · 1 in 811 boysWVVirginia: #144 for boys · 62 births · 1 in 688 boysVAMaryland: #139 for boys · 42 births · 1 in 679 boysMDDelaware: #155 for boys · 6 births · 1 in 684 boysDEArizona: #298 for boys · 25 births · 1 in 1,655 boysAZNew Mexico: #283 for boys · 8 births · 1 in 1,360 boysNMKansas: #166 for boys · 26 births · 1 in 637 boysKSArkansas: #99 for boys · 40 births · 1 in 376 boysARTennessee: #121 for boys · 74 births · 1 in 485 boysTNNorth Carolina: #102 for boys · 111 births · 1 in 459 boysNCSouth Carolina: #143 for boys · 31 births · 1 in 676 boysSCDistrict of Columbia: fewer than 5 boys named Colby, so not publishedDCOklahoma: #150 for boys · 36 births · 1 in 574 boysOKLouisiana: #99 for boys · 59 births · 1 in 432 boysLAMississippi: #155 for boys · 22 births · 1 in 679 boysMSAlabama: #128 for boys · 45 births · 1 in 523 boysALGeorgia: #138 for boys · 96 births · 1 in 608 boysGAHawaii: #155 for boys · 9 births · 1 in 557 boysHITexas: #187 for boys · 214 births · 1 in 837 boysTXFlorida: #191 for boys · 102 births · 1 in 937 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Vermont#27 · 1 in 94
  2. Maine#30 · 1 in 102
  3. New Hampshire#36 · 1 in 117
  4. Arkansas#99 · 1 in 376
  5. Louisiana#99 · 1 in 432

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

Show every state
StateRankBirthsShare
Vermont#27241 in 94
Maine#30551 in 102
New Hampshire#36481 in 117
Arkansas#99401 in 376
Louisiana#99591 in 432
North Carolina#1021111 in 459
Utah#110581 in 379
Washington#111841 in 411
Massachusetts#112631 in 540
North Dakota#11691 in 372
Connecticut#118311 in 561
Tennessee#121741 in 485
Oregon#123411 in 472
Alabama#128451 in 523
Nebraska#128241 in 439
South Dakota#132101 in 423
Georgia#138961 in 608
Maryland#139421 in 679
Idaho#143181 in 482
South Carolina#143311 in 676
Virginia#144621 in 688
Iowa#147281 in 578
Oklahoma#150361 in 574
Missouri#152501 in 679
Delaware#15561 in 684
Hawaii#15591 in 557
Mississippi#155221 in 679
Pennsylvania#161761 in 835
West Virginia#163111 in 811
Kansas#166261 in 637
Montana#18561 in 673
Texas#1872141 in 837
Florida#1911021 in 937
Kentucky#199241 in 914
Nevada#202171 in 814
Colorado#230281 in 1,058
Ohio#240461 in 1,449
Indiana#241311 in 1,250
New Mexico#28381 in 1,360
Arizona#298251 in 1,655
Michigan#308281 in 2,004
Wisconsin#311141 in 2,102
Minnesota#323151 in 1,995
California#3341121 in 2,251
New York#344481 in 2,286
Illinois#356341 in 2,304
New Jersey#370181 in 2,638
Alaska———
District of Columbia———
Rhode Island———
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 2004

girls
#2,396
71 births · 1 in 25,863 girls
boys
#185
2,066 births · 1 in 961 boys

Top girls' names in 2004

  1. #1Emily25,042
  2. #2Emma21,625
  3. #3Madison20,628
  4. #4Olivia16,108
  5. #5Hannah15,614
  6. #6Abigail15,436
  7. #7Isabella15,021
  8. #8Ashley14,377
  9. #9Samantha13,786
  10. #10Elizabeth13,577
  11. #2,396Colby71

Top boys' names in 2004

  1. #1Jacob27,911
  2. #2Michael25,470
  3. #3Joshua24,214
  4. #4Matthew22,882
  5. #5Ethan22,210
  6. #6Andrew21,717
  7. #7Daniel21,018
  8. #8William20,237
  9. #9Joseph20,147
  10. #10Christopher19,636
  11. #185Colby2,066
More about 2004

girls

1,836,250 girls got a published name in 2004; 1 in 25,863 of them was named Colby, which outranked 87.3% of the 18,835 girls' names that year. The ten most popular names covered 9.3% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Colby
  1. #2,370Shaylynn72
  2. #2,370Tayah72
  3. #2,370Zariyah72
  4. #2,396Colby71
  5. #2,396Abbi71
  6. #2,396Abigael71
  7. #2,396Aline71
  8. #2,424Anela70
  9. #2,424Ariyah70
  10. #2,424Asiah70

Tied with 27 names at #2,396; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 2003
Risers
  1. ↑ 948Rubi#1,561 → #613
  2. ↑ 607Kaydence#984 → #377
  3. ↑ 548Marin#1,383 → #835
  4. ↑ 543Diya#1,416 → #873
  5. ↑ 479Kadence#869 → #390
Fallers
  1. ↓ 1,607Arly#949 → #2,556
  2. ↓ 433Shakira#747 → #1,180
  3. ↓ 414Anais#990 → #1,404
  4. ↓ 365Lisbeth#742 → #1,107
  5. ↓ 274Reanna#990 → #1,264

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

boys

1,984,979 boys got a published name in 2004; 1 in 961 of them was named Colby, which outranked 98.6% of the 13,228 boys' names that year. The ten most popular names covered 11.4% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Colby
  1. #182Ayden2,183
  2. #183Johnathan2,178
  3. #184Wesley2,108
  4. #185Colby2,066
  5. #186Raymond2,060
  6. #187Donovan2,055
  7. #187Trenton2,055
Biggest movers since 2003
Risers
  1. ↑ 1,308Koda#2,238 → #930
  2. ↑ 1,190Tayshaun#2,153 → #963
  3. ↑ 1,006Kanye#1,492 → #486
  4. ↑ 910Kyan#1,497 → #587
  5. ↑ 814Jaidyn#1,630 → #816
Fallers
  1. ↓ 455Jahiem#873 → #1,328
  2. ↓ 325Ervin#942 → #1,267
  3. ↓ 323Jahir#809 → #1,132
  4. ↓ 282Jaheim#457 → #739
  5. ↓ 270Sabastian#946 → #1,216

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

See the top 100 for 2004 →