Caius

Peak · boys
2025 · 254 births
Debut · boys
5 births
In top 100 · boys
never
of 146 years
Total births · boys
2,329
since 1994

Caius over time

boys

Rank among boys' names. Caius has never cracked the top 900 here.

#1#10#100#1,000#10,000rank1990200020102020boysat peak
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
Yearboys
rankbirths
2025#927254
2024#1,060206
2023#1,346140
2022#1,282150
2021#1,339138
2020#1,209156
2019#1,327137
2018#1,360130
2017#1,510110
2016#1,221153
2015#1,287138
2014#1,375124
2013#1,492109
2012#1,92374
2011#2,69944
2010#2,51149
2009#2,80043
2008#3,82327
2007#3,59129
2006#5,52515
2005#3,94123
2004#5,49214
2003#5,03515
2002#5,39513
2001#4,67616
2000#6,31610
1999#7,8747
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1994#8,8005
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First appearance
1994

The first year at least five boys were named Caius! It came in at #8,800, and was given to 5 baby boys.


Quietest stretch: 1994–1998, when fewer than 6 boys a year got the name.

Where Caius is popular in 2025

  • Rank in state
  • Top 10
  • 11–50
  • 51–100
  • 101–500
  • 501+
  • Not published
Alaska: fewer than 5 boys named Caius, so not publishedAKMaine: fewer than 5 boys named Caius, so not publishedMEVermont: fewer than 5 boys named Caius, so not publishedVTNew Hampshire: fewer than 5 boys named Caius, so not publishedNHWashington: #737 for boys · 8 births · 1 in 4,100 boysWAIdaho: fewer than 5 boys named Caius, so not publishedIDMontana: fewer than 5 boys named Caius, so not publishedMTNorth Dakota: fewer than 5 boys named Caius, so not publishedNDMinnesota: #586 for boys · 8 births · 1 in 3,062 boysMNIllinois: #1,280 for boys · 5 births · 1 in 9,910 boysILWisconsin: #785 for boys · 5 births · 1 in 4,686 boysWIMichigan: #905 for boys · 7 births · 1 in 5,742 boysMINew York: #1,760 for boys · 5 births · 1 in 16,885 boysNYMassachusetts: #690 for boys · 6 births · 1 in 4,504 boysMARhode Island: fewer than 5 boys named Caius, so not publishedRIOregon: fewer than 5 boys named Caius, so not publishedORNevada: fewer than 5 boys named Caius, so not publishedNVWyoming: fewer than 5 boys named Caius, so not publishedWYSouth Dakota: fewer than 5 boys named Caius, so not publishedSDIowa: fewer than 5 boys named Caius, so not publishedIAIndiana: #621 for boys · 10 births · 1 in 3,166 boysINOhio: #710 for boys · 12 births · 1 in 4,378 boysOHPennsylvania: #846 for boys · 9 births · 1 in 5,807 boysPANew Jersey: fewer than 5 boys named Caius, so not publishedNJConnecticut: fewer than 5 boys named Caius, so not publishedCTCalifornia: #807 for boys · 30 births · 1 in 5,849 boysCAUtah: fewer than 5 boys named Caius, so not publishedUTColorado: fewer than 5 boys named Caius, so not publishedCONebraska: fewer than 5 boys named Caius, so not publishedNEMissouri: #709 for boys · 7 births · 1 in 3,973 boysMOKentucky: fewer than 5 boys named Caius, so not publishedKYWest Virginia: fewer than 5 boys named Caius, so not publishedWVVirginia: #1,089 for boys · 5 births · 1 in 7,451 boysVAMaryland: #571 for boys · 8 births · 1 in 2,862 boysMDDelaware: fewer than 5 boys named Caius, so not publishedDEArizona: #927 for boys · 5 births · 1 in 6,545 boysAZNew Mexico: fewer than 5 boys named Caius, so not publishedNMKansas: fewer than 5 boys named Caius, so not publishedKSArkansas: fewer than 5 boys named Caius, so not publishedARTennessee: #638 for boys · 11 births · 1 in 3,343 boysTNNorth Carolina: #825 for boys · 10 births · 1 in 5,147 boysNCSouth Carolina: fewer than 5 boys named Caius, so not publishedSCDistrict of Columbia: fewer than 5 boys named Caius, so not publishedDCOklahoma: #698 for boys · 5 births · 1 in 3,536 boysOKLouisiana: fewer than 5 boys named Caius, so not publishedLAMississippi: fewer than 5 boys named Caius, so not publishedMSAlabama: fewer than 5 boys named Caius, so not publishedALGeorgia: #1,096 for boys · 7 births · 1 in 7,174 boysGAHawaii: fewer than 5 boys named Caius, so not publishedHITexas: #892 for boys · 28 births · 1 in 6,252 boysTXFlorida: #1,625 for boys · 6 births · 1 in 15,922 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Maryland#571 · 1 in 2,862
  2. Minnesota#586 · 1 in 3,062
  3. Indiana#621 · 1 in 3,166
  4. Tennessee#638 · 1 in 3,343
  5. Massachusetts#690 · 1 in 4,504

Best ever in a state: #571 in Kansas, 2024.

Show every state
StateRankBirthsShare
Maryland#57181 in 2,862
Minnesota#58681 in 3,062
Indiana#621101 in 3,166
Tennessee#638111 in 3,343
Massachusetts#69061 in 4,504
Oklahoma#69851 in 3,536
Missouri#70971 in 3,973
Ohio#710121 in 4,378
Washington#73781 in 4,100
Wisconsin#78551 in 4,686
California#807301 in 5,849
North Carolina#825101 in 5,147
Pennsylvania#84691 in 5,807
Texas#892281 in 6,252
Michigan#90571 in 5,742
Arizona#92751 in 6,545
Virginia#1,08951 in 7,451
Georgia#1,09671 in 7,174
Illinois#1,28051 in 9,910
Florida#1,62561 in 15,922
New York#1,76051 in 16,885
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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 every state's top names →

See more about Caius
Momentum · boys
Rising
  • 282 spots since 2020 (#1,209 → #927)
  • Biggest jump: 133 spots in 2025
Rise & fade · boys
31 yrs to peak
  • Debuted 1994
  • Peaked 2025 at #927 (254 births)
  • Not yet halved from its peak
Top of the charts · boys
Top 1,000 for 1 yr
  • Top 10: never
  • Top 100: never
  • Top 1,000: 1 yr · 2025
Share of babies · boys
1 in 6,725
  • Highest: 1 in 6,725 boys born in 2025 were named Caius (0.01%)
Era · boys
The 2010s
  • 45.9% of all boys named Caius (1,068) were born in this decade
Show by decade
DecadeBirthsBest rankAvg rank
1990s12#7,874 (1999)#8,337
2000s205#2,800 (2009)#4,659
2010s1,068#1,221 (2016)#1,671
2020s1,044#927 (2025)#1,194

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.

Want to check a specific year?

See where Caius ranked and which names it was up against. Click a point on the chart, or pick a year: