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Girl name

Rhiannon

Rhiannon holds the #1119 spot on the 2025 list of the most popular girl names in the U.S. That amounts to 210 newborn girls 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 1977 (#418 nationally, 491 newborns), in a data series reaching back to 1974. The name's biggest fan base is in Kansas (#497 there in 2025).

Rankings

2025 rank
#1119
among girl names
Trend
Stable
last 5 years
All-time peak
#418
in 1977 (1970s)
Babies in 2025
210
girls named Rhiannon

Rhiannon popularity, 1880–2025

0.010%0.020%0.030%0.040%18801900192019401960198020002020#418 in 1977
Girls — share of U.S. female birthsSource: SSA, 1880–2025◆ peak 1977

Where Rhiannon is most popular

Alaska: fewer than 5 girls named Rhiannon in 2025AK—Maine: fewer than 5 girls named Rhiannon in 2025ME—Vermont: fewer than 5 girls named Rhiannon in 2025VT—New Hampshire: fewer than 5 girls named Rhiannon in 2025NH—Washington: #811 (7 girls, 0.02% of girls born 2025)WA#811Idaho: fewer than 5 girls named Rhiannon in 2025ID—Montana: fewer than 5 girls named Rhiannon in 2025MT—North Dakota: fewer than 5 girls named Rhiannon in 2025ND—Minnesota: fewer than 5 girls named Rhiannon in 2025MN—Wisconsin: #791 (5 girls, 0.02% of girls born 2025)WI#791Michigan: #1061 (6 girls, 0.02% of girls born 2025)MI#1061New York: #1087 (13 girls, 0.02% of girls born 2025)NY#1087Massachusetts: fewer than 5 girls named Rhiannon in 2025MA—Rhode Island: fewer than 5 girls named Rhiannon in 2025RI—Oregon: fewer than 5 girls named Rhiannon in 2025OR—Nevada: fewer than 5 girls named Rhiannon in 2025NV—Wyoming: fewer than 5 girls named Rhiannon in 2025WY—South Dakota: fewer than 5 girls named Rhiannon in 2025SD—Iowa: fewer than 5 girls named Rhiannon in 2025IA—Illinois: #852 (10 girls, 0.02% of girls born 2025)IL#852Indiana: fewer than 5 girls named Rhiannon in 2025IN—Ohio: #1271 (6 girls, 0.01% of girls born 2025)OH#1271Pennsylvania: #813 (11 girls, 0.02% of girls born 2025)PA#813New Jersey: #774 (9 girls, 0.03% of girls born 2025)NJ#774Connecticut: fewer than 5 girls named Rhiannon in 2025CT—California: #1409 (16 girls, 0.01% of girls born 2025)CA#1409Utah: fewer than 5 girls named Rhiannon in 2025UT—Colorado: #497 (11 girls, 0.05% of girls born 2025)CO#497Nebraska: fewer than 5 girls named Rhiannon in 2025NE—Missouri: fewer than 5 girls named Rhiannon in 2025MO—Kentucky: fewer than 5 girls named Rhiannon in 2025KY—West Virginia: fewer than 5 girls named Rhiannon in 2025WV—Virginia: #843 (8 girls, 0.02% of girls born 2025)VA#843Maryland: #651 (7 girls, 0.04% of girls born 2025)MD#651Delaware: fewer than 5 girls named Rhiannon in 2025DE—Arizona: #676 (9 girls, 0.03% of girls born 2025)AZ#676New Mexico: fewer than 5 girls named Rhiannon in 2025NM—Kansas: #497 (6 girls, 0.05% of girls born 2025)KS#497Arkansas: fewer than 5 girls named Rhiannon in 2025AR—Tennessee: fewer than 5 girls named Rhiannon in 2025TN—North Carolina: #1138 (7 girls, 0.02% of girls born 2025)NC#1138South Carolina: fewer than 5 girls named Rhiannon in 2025SC—District of Columbia: fewer than 5 girls named Rhiannon in 2025DC—Oklahoma: fewer than 5 girls named Rhiannon in 2025OK—Louisiana: fewer than 5 girls named Rhiannon in 2025LA—Mississippi: fewer than 5 girls named Rhiannon in 2025MS—Alabama: fewer than 5 girls named Rhiannon in 2025AL—Georgia: fewer than 5 girls named Rhiannon in 2025GA—Hawaii: fewer than 5 girls named Rhiannon in 2025HI—Texas: #1406 (17 girls, 0.01% of girls born 2025)TX#1406Florida: #1887 (6 girls, 0.01% of girls born 2025)FL#1887
Share of girls born in 2025:lowhighno data (< 5 births)
Strongest states: Kansas (#497), Colorado (#497), Maryland (#651)

Uniqueness score

53/ 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 Rhiannon in the most recent year of SSA data.

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