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Boy name

Lachlan

Lachlan is currently the #606 boy name in the United States, based on 2025 Social Security data. In raw numbers: 468 babies. Momentum is clearly positive: five years ago it ranked #705, now it sits at #606. Remarkably, 2025 is the strongest year in the entire SSA record for Lachlan, which stretches back to 1952. State by state, Maine leads the way at #234.

Rankings

2025 rank
#606
among boy names
Trend
Rising
last 5 years
All-time peak
#606
in 2025 (2020s)
Babies in 2025
468
boys named Lachlan

Lachlan popularity, 1880–2025

0.007%0.015%0.022%0.030%18801900192019401960198020002020#606 in 2025
Boys — share of U.S. male birthsSource: SSA, 1880–2025◆ peak 2025

Where Lachlan is most popular

Alaska: fewer than 5 boys named Lachlan in 2025AK—Maine: #234 (5 boys, 0.13% of boys born 2025)ME#234Vermont: fewer than 5 boys named Lachlan in 2025VT—New Hampshire: fewer than 5 boys named Lachlan in 2025NH—Washington: #364 (20 boys, 0.06% of boys born 2025)WA#364Idaho: #377 (6 boys, 0.07% of boys born 2025)ID#377Montana: fewer than 5 boys named Lachlan in 2025MT—North Dakota: fewer than 5 boys named Lachlan in 2025ND—Minnesota: #304 (20 boys, 0.08% of boys born 2025)MN#304Wisconsin: #374 (14 boys, 0.06% of boys born 2025)WI#374Michigan: #540 (15 boys, 0.04% of boys born 2025)MI#540New York: #661 (22 boys, 0.03% of boys born 2025)NY#661Massachusetts: #378 (13 boys, 0.05% of boys born 2025)MA#378Rhode Island: fewer than 5 boys named Lachlan in 2025RI—Oregon: #438 (8 boys, 0.05% of boys born 2025)OR#438Nevada: fewer than 5 boys named Lachlan in 2025NV—Wyoming: fewer than 5 boys named Lachlan in 2025WY—South Dakota: fewer than 5 boys named Lachlan in 2025SD—Iowa: fewer than 5 boys named Lachlan in 2025IA—Illinois: #677 (13 boys, 0.03% of boys born 2025)IL#677Indiana: #512 (13 boys, 0.04% of boys born 2025)IN#512Ohio: #555 (18 boys, 0.03% of boys born 2025)OH#555Pennsylvania: #397 (26 boys, 0.05% of boys born 2025)PA#397New Jersey: #655 (10 boys, 0.03% of boys born 2025)NJ#655Connecticut: #382 (7 boys, 0.05% of boys born 2025)CT#382California: #667 (41 boys, 0.02% of boys born 2025)CA#667Utah: #378 (12 boys, 0.06% of boys born 2025)UT#378Colorado: #346 (18 boys, 0.07% of boys born 2025)CO#346Nebraska: fewer than 5 boys named Lachlan in 2025NE—Missouri: #439 (14 boys, 0.05% of boys born 2025)MO#439Kentucky: #569 (7 boys, 0.03% of boys born 2025)KY#569West Virginia: fewer than 5 boys named Lachlan 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 Lachlan in 2025DE—Arizona: #781 (7 boys, 0.02% of boys born 2025)AZ#781New Mexico: fewer than 5 boys named Lachlan in 2025NM—Kansas: #468 (7 boys, 0.05% of boys born 2025)KS#468Arkansas: fewer than 5 boys named Lachlan in 2025AR—Tennessee: #592 (12 boys, 0.03% of boys born 2025)TN#592North Carolina: #539 (18 boys, 0.04% of boys born 2025)NC#539South Carolina: #552 (8 boys, 0.04% of boys born 2025)SC#552District of Columbia: fewer than 5 boys named Lachlan in 2025DC—Oklahoma: fewer than 5 boys named Lachlan in 2025OK—Louisiana: fewer than 5 boys named Lachlan in 2025LA—Mississippi: fewer than 5 boys named Lachlan in 2025MS—Alabama: #573 (8 boys, 0.04% of boys born 2025)AL#573Georgia: #1216 (6 boys, 0.01% of boys born 2025)GA#1216Hawaii: fewer than 5 boys named Lachlan in 2025HI—Texas: #856 (30 boys, 0.02% of boys born 2025)TX#856Florida: #846 (17 boys, 0.02% of boys born 2025)FL#846
Share of boys born in 2025:lowhighno data (< 5 births)
Strongest states: Maine (#234), Minnesota (#304), Idaho (#377)

Uniqueness score

44/ 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 Lachlan in the most recent year of SSA data.

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