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Boy name

Kilian

Kilian holds the #1166 spot on the 2025 list of the most popular boy names in the U.S. That amounts to 177 newborn boys in a single year. Its position has barely moved over the past five years — a sign of steady, established appeal. Its strongest year on record was 2023 (#1031 nationally, 212 newborns), in a data series reaching back to 1970. The name's biggest fan base is in Maryland (#634 there in 2025).

Rankings

2025 rank
#1166
among boy names
Trend
Stable
last 5 years
All-time peak
#1031
in 2023 (2020s)
Babies in 2025
177
boys named Kilian

Kilian popularity, 1880–2025

0.003%0.007%0.010%0.013%18801900192019401960198020002020#1031 in 2023
Boys — share of U.S. male birthsSource: SSA, 1880–2025◆ peak 2023

Where Kilian is most popular

Alaska: fewer than 5 boys named Kilian in 2025AK—Maine: fewer than 5 boys named Kilian in 2025ME—Vermont: fewer than 5 boys named Kilian in 2025VT—New Hampshire: fewer than 5 boys named Kilian in 2025NH—Washington: #898 (6 boys, 0.02% of boys born 2025)WA#898Idaho: fewer than 5 boys named Kilian in 2025ID—Montana: fewer than 5 boys named Kilian in 2025MT—North Dakota: fewer than 5 boys named Kilian in 2025ND—Minnesota: fewer than 5 boys named Kilian in 2025MN—Wisconsin: fewer than 5 boys named Kilian in 2025WI—Michigan: fewer than 5 boys named Kilian in 2025MI—New York: #994 (12 boys, 0.01% of boys born 2025)NY#994Massachusetts: fewer than 5 boys named Kilian in 2025MA—Rhode Island: fewer than 5 boys named Kilian in 2025RI—Oregon: fewer than 5 boys named Kilian in 2025OR—Nevada: fewer than 5 boys named Kilian in 2025NV—Wyoming: fewer than 5 boys named Kilian in 2025WY—South Dakota: fewer than 5 boys named Kilian in 2025SD—Iowa: fewer than 5 boys named Kilian in 2025IA—Illinois: #1023 (7 boys, 0.01% of boys born 2025)IL#1023Indiana: fewer than 5 boys named Kilian in 2025IN—Ohio: #1267 (5 boys, 0.01% of boys born 2025)OH#1267Pennsylvania: #913 (8 boys, 0.02% of boys born 2025)PA#913New Jersey: #707 (9 boys, 0.02% of boys born 2025)NJ#707Connecticut: fewer than 5 boys named Kilian in 2025CT—California: #862 (27 boys, 0.02% of boys born 2025)CA#862Utah: fewer than 5 boys named Kilian in 2025UT—Colorado: fewer than 5 boys named Kilian in 2025CO—Nebraska: fewer than 5 boys named Kilian in 2025NE—Missouri: fewer than 5 boys named Kilian in 2025MO—Kentucky: fewer than 5 boys named Kilian in 2025KY—West Virginia: fewer than 5 boys named Kilian in 2025WV—Virginia: #798 (8 boys, 0.02% of boys born 2025)VA#798Maryland: #634 (7 boys, 0.03% of boys born 2025)MD#634Delaware: fewer than 5 boys named Kilian in 2025DE—Arizona: fewer than 5 boys named Kilian in 2025AZ—New Mexico: fewer than 5 boys named Kilian in 2025NM—Kansas: fewer than 5 boys named Kilian in 2025KS—Arkansas: fewer than 5 boys named Kilian in 2025AR—Tennessee: fewer than 5 boys named Kilian in 2025TN—North Carolina: fewer than 5 boys named Kilian in 2025NC—South Carolina: fewer than 5 boys named Kilian in 2025SC—District of Columbia: fewer than 5 boys named Kilian in 2025DC—Oklahoma: fewer than 5 boys named Kilian in 2025OK—Louisiana: fewer than 5 boys named Kilian in 2025LA—Mississippi: fewer than 5 boys named Kilian in 2025MS—Alabama: fewer than 5 boys named Kilian in 2025AL—Georgia: fewer than 5 boys named Kilian in 2025GA—Hawaii: fewer than 5 boys named Kilian in 2025HI—Texas: #1250 (16 boys, 0.01% of boys born 2025)TX#1250Florida: #1353 (8 boys, 0.01% of boys born 2025)FL#1353
Share of boys born in 2025:lowhighno data (< 5 births)
Strongest states: Maryland (#634), New Jersey (#707), Virginia (#798)

Uniqueness score

56/ 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 Kilian in the most recent year of SSA data.

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