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Boy name

Kaius

Kaius holds the #1028 spot on the 2025 list of the most popular boy names in the U.S. That amounts to 216 newborn boys in a single year. The ranking has held remarkably steady over the last five years. Its strongest year on record was 2020 (#1023 nationally, 202 newborns), in a data series reaching back to 2005. The name's biggest fan base is in Louisiana (#672 there in 2025).

Rankings

2025 rank
#1028
among boy names
Trend
Stable
last 5 years
All-time peak
#1023
in 2020 (2020s)
Babies in 2025
216
boys named Kaius

Kaius popularity, 1880–2025

0.003%0.007%0.010%0.014%18801900192019401960198020002020#1023 in 2020
Boys — share of U.S. male birthsSource: SSA, 1880–2025◆ peak 2020

Where Kaius is most popular

Alaska: fewer than 5 boys named Kaius in 2025AK—Maine: fewer than 5 boys named Kaius in 2025ME—Vermont: fewer than 5 boys named Kaius in 2025VT—New Hampshire: fewer than 5 boys named Kaius in 2025NH—Washington: #801 (7 boys, 0.02% of boys born 2025)WA#801Idaho: fewer than 5 boys named Kaius in 2025ID—Montana: fewer than 5 boys named Kaius in 2025MT—North Dakota: fewer than 5 boys named Kaius in 2025ND—Minnesota: #807 (5 boys, 0.02% of boys born 2025)MN#807Wisconsin: #678 (6 boys, 0.03% of boys born 2025)WI#678Michigan: fewer than 5 boys named Kaius in 2025MI—New York: #950 (13 boys, 0.02% of boys born 2025)NY#950Massachusetts: fewer than 5 boys named Kaius in 2025MA—Rhode Island: fewer than 5 boys named Kaius in 2025RI—Oregon: fewer than 5 boys named Kaius in 2025OR—Nevada: fewer than 5 boys named Kaius in 2025NV—Wyoming: fewer than 5 boys named Kaius in 2025WY—South Dakota: fewer than 5 boys named Kaius in 2025SD—Iowa: fewer than 5 boys named Kaius in 2025IA—Illinois: #1133 (6 boys, 0.01% of boys born 2025)IL#1133Indiana: #773 (7 boys, 0.02% of boys born 2025)IN#773Ohio: fewer than 5 boys named Kaius in 2025OH—Pennsylvania: #1004 (7 boys, 0.01% of boys born 2025)PA#1004New Jersey: fewer than 5 boys named Kaius in 2025NJ—Connecticut: fewer than 5 boys named Kaius in 2025CT—California: #1085 (19 boys, 0.01% of boys born 2025)CA#1085Utah: fewer than 5 boys named Kaius in 2025UT—Colorado: #849 (5 boys, 0.02% of boys born 2025)CO#849Nebraska: fewer than 5 boys named Kaius in 2025NE—Missouri: #709 (7 boys, 0.03% of boys born 2025)MO#709Kentucky: fewer than 5 boys named Kaius in 2025KY—West Virginia: fewer than 5 boys named Kaius in 2025WV—Virginia: fewer than 5 boys named Kaius in 2025VA—Maryland: #809 (5 boys, 0.02% of boys born 2025)MD#809Delaware: fewer than 5 boys named Kaius in 2025DE—Arizona: #781 (7 boys, 0.02% of boys born 2025)AZ#781New Mexico: fewer than 5 boys named Kaius in 2025NM—Kansas: fewer than 5 boys named Kaius in 2025KS—Arkansas: fewer than 5 boys named Kaius in 2025AR—Tennessee: fewer than 5 boys named Kaius in 2025TN—North Carolina: #718 (12 boys, 0.02% of boys born 2025)NC#718South Carolina: fewer than 5 boys named Kaius in 2025SC—District of Columbia: fewer than 5 boys named Kaius in 2025DC—Oklahoma: fewer than 5 boys named Kaius in 2025OK—Louisiana: #672 (6 boys, 0.03% of boys born 2025)LA#672Mississippi: fewer than 5 boys named Kaius in 2025MS—Alabama: fewer than 5 boys named Kaius in 2025AL—Georgia: #756 (12 boys, 0.02% of boys born 2025)GA#756Hawaii: fewer than 5 boys named Kaius in 2025HI—Texas: #974 (24 boys, 0.01% of boys born 2025)TX#974Florida: #1056 (12 boys, 0.01% of boys born 2025)FL#1056
Share of boys born in 2025:lowhighno data (< 5 births)
Strongest states: Louisiana (#672), Wisconsin (#678), Missouri (#709)

Uniqueness score

54/ 100Balanced
everywhereone of a kind

Well known, but far from crowded — the middle of the field. Based on how many babies per birth were named Kaius in the most recent year of SSA data.

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