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#10,000rank188019001920194019601980200020201987peak #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——
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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 1987

  • Rank in state
  • Top 10
  • 11–50
  • 51–100
  • 101–500
  • 501+
  • Not published
Alaska: fewer than 5 boys named Colby, so not publishedAKMaine: #124 for boys · 8 births · 1 in 893 boysMEVermont: #92 for boys · 6 births · 1 in 550 boysVTNew Hampshire: #93 for boys · 13 births · 1 in 583 boysNHWashington: #175 for boys · 26 births · 1 in 1,220 boysWAIdaho: #159 for boys · 7 births · 1 in 937 boysIDMontana: fewer than 5 boys named Colby, so not publishedMTNorth Dakota: fewer than 5 boys named Colby, so not publishedNDMinnesota: #279 for boys · 8 births · 1 in 3,811 boysMNIllinois: #488 for boys · 16 births · 1 in 5,106 boysILWisconsin: fewer than 5 boys named Colby, so not publishedWIMichigan: #669 for boys · 5 births · 1 in 12,927 boysMINew York: #506 for boys · 21 births · 1 in 5,983 boysNYMassachusetts: #208 for boys · 19 births · 1 in 2,147 boysMARhode Island: fewer than 5 boys named Colby, so not publishedRIOregon: #195 for boys · 12 births · 1 in 1,479 boysORNevada: #156 for boys · 7 births · 1 in 970 boysNVWyoming: fewer than 5 boys named Colby, so not publishedWYSouth Dakota: fewer than 5 boys named Colby, so not publishedSDIowa: #144 for boys · 17 births · 1 in 1,042 boysIAIndiana: #337 for boys · 9 births · 1 in 4,103 boysINOhio: #434 for boys · 12 births · 1 in 6,356 boysOHPennsylvania: #250 for boys · 29 births · 1 in 2,676 boysPANew Jersey: fewer than 5 boys named Colby, so not publishedNJConnecticut: #369 for boys · 5 births · 1 in 4,272 boysCTCalifornia: #399 for boys · 61 births · 1 in 3,914 boysCAUtah: #76 for boys · 55 births · 1 in 288 boysUTColorado: #177 for boys · 21 births · 1 in 1,170 boysCONebraska: #113 for boys · 17 births · 1 in 628 boysNEMissouri: #150 for boys · 32 births · 1 in 1,117 boysMOKentucky: #208 for boys · 12 births · 1 in 1,991 boysKYWest Virginia: #176 for boys · 7 births · 1 in 1,510 boysWVVirginia: #254 for boys · 19 births · 1 in 2,075 boysVAMaryland: #335 for boys · 8 births · 1 in 3,638 boysMDDelaware: fewer than 5 boys named Colby, so not publishedDEArizona: #366 for boys · 9 births · 1 in 3,154 boysAZNew Mexico: fewer than 5 boys named Colby, so not publishedNMKansas: #130 for boys · 22 births · 1 in 752 boysKSArkansas: #153 for boys · 16 births · 1 in 935 boysARTennessee: #171 for boys · 26 births · 1 in 1,240 boysTNNorth Carolina: #244 for boys · 23 births · 1 in 1,805 boysNCSouth Carolina: #435 for boys · 5 births · 1 in 4,287 boysSCDistrict of Columbia: fewer than 5 boys named Colby, so not publishedDCOklahoma: #141 for boys · 25 births · 1 in 831 boysOKLouisiana: #127 for boys · 49 births · 1 in 656 boysLAMississippi: #224 for boys · 12 births · 1 in 1,364 boysMSAlabama: #226 for boys · 16 births · 1 in 1,583 boysALGeorgia: #267 for boys · 23 births · 1 in 1,981 boysGAHawaii: #253 for boys · 5 births · 1 in 1,349 boysHITexas: #194 for boys · 138 births · 1 in 1,039 boysTXFlorida: #351 for boys · 26 births · 1 in 3,059 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Utah#76 · 1 in 288
  2. Vermont#92 · 1 in 550
  3. New Hampshire#93 · 1 in 583
  4. Nebraska#113 · 1 in 628
  5. Maine#124 · 1 in 893

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

Show every state
StateRankBirthsShare
Utah#76551 in 288
Vermont#9261 in 550
New Hampshire#93131 in 583
Nebraska#113171 in 628
Maine#12481 in 893
Louisiana#127491 in 656
Kansas#130221 in 752
Oklahoma#141251 in 831
Iowa#144171 in 1,042
Missouri#150321 in 1,117
Arkansas#153161 in 935
Nevada#15671 in 970
Idaho#15971 in 937
Tennessee#171261 in 1,240
Washington#175261 in 1,220
West Virginia#17671 in 1,510
Colorado#177211 in 1,170
Texas#1941381 in 1,039
Oregon#195121 in 1,479
Kentucky#208121 in 1,991
Massachusetts#208191 in 2,147
Mississippi#224121 in 1,364
Alabama#226161 in 1,583
North Carolina#244231 in 1,805
Pennsylvania#250291 in 2,676
Hawaii#25351 in 1,349
Virginia#254191 in 2,075
Georgia#267231 in 1,981
Minnesota#27981 in 3,811
Maryland#33581 in 3,638
Indiana#33791 in 4,103
Florida#351261 in 3,059
Arizona#36691 in 3,154
Connecticut#36951 in 4,272
California#399611 in 3,914
Ohio#434121 in 6,356
South Carolina#43551 in 4,287
Illinois#488161 in 5,106
New York#506211 in 5,983
Michigan#66951 in 12,927
Alaska———
Delaware———
District of Columbia———
Montana———
New Jersey———
New Mexico———
North Dakota———
Rhode Island———
South Dakota———
Wisconsin———
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 1987

girls
#1,098
138 births · 1 in 12,599 girls
boys
#257
870 births · 1 in 2,146 boys

Top girls' names in 1987

  1. #1Jessica55,992
  2. #2Ashley54,856
  3. #3Amanda41,786
  4. #4Jennifer32,710
  5. #5Sarah27,894
  6. #6Stephanie22,402
  7. #7Brittany22,231
  8. #8Nicole20,286
  9. #9Heather18,982
  10. #10Elizabeth18,608
  11. #1,098Colby138

Top boys' names in 1987

  1. #1Michael63,664
  2. #2Christopher54,493
  3. #3Matthew46,511
  4. #4Joshua40,002
  5. #5David36,795
  6. #6Andrew36,206
  7. #7Daniel35,876
  8. #8James32,659
  9. #9Justin31,491
  10. #10Robert30,237
  11. #257Colby870
More about 1987

girls

1,738,632 girls got a published name in 1987; 1 in 12,599 of them was named Colby, which outranked 91.7% of the 13,263 girls' names that year. The ten most popular names covered 18.2% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Colby
  1. #1,093Natashia139
  2. #1,093Nichelle139
  3. #1,093Tristan139
  4. #1,098Colby138
  5. #1,098Cristy138
  6. #1,098Genesis138
  7. #1,098Geraldine138
  8. #1,104Chelsy137
  9. #1,104Shavon137
  10. #1,106Chanda136

Tied with 5 names at #1,098; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1986
Risers
  1. ↑ 1,808Janay#2,195 → #387
  2. ↑ 1,048Channing#1,638 → #590
  3. ↑ 786Ayla#1,380 → #594
  4. ↑ 714Yessenia#1,439 → #725
  5. ↑ 648Denisse#1,602 → #954
Fallers
  1. ↓ 1,153Halley#580 → #1,733
  2. ↓ 674Cherrelle#879 → #1,553
  3. ↓ 637Sharday#933 → #1,570
  4. ↓ 613Sharde#873 → #1,486
  5. ↓ 539Shardae#832 → #1,371

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

boys

1,866,984 boys got a published name in 1987; 1 in 2,146 of them was named Colby, which outranked 96.8% of the 8,152 boys' names that year. The ten most popular names covered 21.8% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Colby
  1. #254Eugene896
  2. #255Brady877
  3. #255Orlando877
  4. #257Colby870
  5. #258Terrell868
  6. #259Jermaine860
  7. #260Karl853
Biggest movers since 1986
Risers
  1. ↑ 994Trevin#1,962 → #968
  2. ↑ 819Conner#1,617 → #798
  3. ↑ 593Mychal#1,363 → #770
  4. ↑ 503Jaren#1,457 → #954
  5. ↑ 457Corbin#1,049 → #592
Fallers
  1. ↓ 623Durell#816 → #1,439
  2. ↓ 336Jayce#694 → #1,030
  3. ↓ 267Rasheed#921 → #1,188
  4. ↓ 263Deshaun#971 → #1,234
  5. ↓ 260Britt#880 → #1,140

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

See the top 100 for 1987 →