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Girl name

Kailyn

Kailyn holds the #1818 spot on the 2025 list of the most popular girl names in the U.S. That amounts to 110 newborn girls in a single year. The name has been cooling off, slipping from #1196 in 2020 to #1818 today. Its strongest year on record was 2011 (#397 nationally, 793 newborns), in a data series reaching back to 1981. The name's biggest fan base is in South Carolina (#773 there in 2025).

Rankings

2025 rank
#1818
among girl names
Trend
Falling
last 5 years
All-time peak
#397
in 2011 (2010s)
Babies in 2025
110
girls named Kailyn

Kailyn popularity, 1880–2025

0.012%0.024%0.037%0.049%18801900192019401960198020002020#397 in 2011
Girls — share of U.S. female birthsSource: SSA, 1880–2025◆ peak 2011

Where Kailyn is most popular

Alaska: fewer than 5 girls named Kailyn in 2025AK—Maine: fewer than 5 girls named Kailyn in 2025ME—Vermont: fewer than 5 girls named Kailyn in 2025VT—New Hampshire: fewer than 5 girls named Kailyn in 2025NH—Washington: fewer than 5 girls named Kailyn in 2025WA—Idaho: fewer than 5 girls named Kailyn in 2025ID—Montana: fewer than 5 girls named Kailyn in 2025MT—North Dakota: fewer than 5 girls named Kailyn in 2025ND—Minnesota: fewer than 5 girls named Kailyn in 2025MN—Wisconsin: fewer than 5 girls named Kailyn in 2025WI—Michigan: fewer than 5 girls named Kailyn in 2025MI—New York: fewer than 5 girls named Kailyn in 2025NY—Massachusetts: fewer than 5 girls named Kailyn in 2025MA—Rhode Island: fewer than 5 girls named Kailyn in 2025RI—Oregon: fewer than 5 girls named Kailyn in 2025OR—Nevada: fewer than 5 girls named Kailyn in 2025NV—Wyoming: fewer than 5 girls named Kailyn in 2025WY—South Dakota: fewer than 5 girls named Kailyn in 2025SD—Iowa: fewer than 5 girls named Kailyn in 2025IA—Illinois: #1405 (5 girls, 0.01% of girls born 2025)IL#1405Indiana: fewer than 5 girls named Kailyn in 2025IN—Ohio: fewer than 5 girls named Kailyn in 2025OH—Pennsylvania: fewer than 5 girls named Kailyn in 2025PA—New Jersey: fewer than 5 girls named Kailyn in 2025NJ—Connecticut: fewer than 5 girls named Kailyn in 2025CT—California: #1651 (13 girls, 0.01% of girls born 2025)CA#1651Utah: fewer than 5 girls named Kailyn in 2025UT—Colorado: fewer than 5 girls named Kailyn in 2025CO—Nebraska: fewer than 5 girls named Kailyn in 2025NE—Missouri: fewer than 5 girls named Kailyn in 2025MO—Kentucky: fewer than 5 girls named Kailyn in 2025KY—West Virginia: fewer than 5 girls named Kailyn in 2025WV—Virginia: #1180 (5 girls, 0.01% of girls born 2025)VA#1180Maryland: fewer than 5 girls named Kailyn in 2025MD—Delaware: fewer than 5 girls named Kailyn in 2025DE—Arizona: fewer than 5 girls named Kailyn in 2025AZ—New Mexico: fewer than 5 girls named Kailyn in 2025NM—Kansas: fewer than 5 girls named Kailyn in 2025KS—Arkansas: fewer than 5 girls named Kailyn in 2025AR—Tennessee: fewer than 5 girls named Kailyn in 2025TN—North Carolina: #1281 (6 girls, 0.01% of girls born 2025)NC#1281South Carolina: #773 (5 girls, 0.03% of girls born 2025)SC#773District of Columbia: fewer than 5 girls named Kailyn in 2025DC—Oklahoma: fewer than 5 girls named Kailyn in 2025OK—Louisiana: fewer than 5 girls named Kailyn in 2025LA—Mississippi: fewer than 5 girls named Kailyn in 2025MS—Alabama: fewer than 5 girls named Kailyn in 2025AL—Georgia: #1358 (6 girls, 0.01% of girls born 2025)GA#1358Hawaii: fewer than 5 girls named Kailyn in 2025HI—Texas: #1532 (15 girls, 0.01% of girls born 2025)TX#1532Florida: #1545 (8 girls, 0.01% of girls born 2025)FL#1545
Share of girls born in 2025:lowhighno data (< 5 births)
Strongest states: South Carolina (#773), Virginia (#1180), Georgia (#1358)

Uniqueness score

61/ 100Uncommon
everywhereone of a kind

Distinctive without being unheard of. Based on how many babies per birth were named Kailyn in the most recent year of SSA data.

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