In 2025, 1,806 US girls were named Blair, making it the 169th most common girls’ name of the year, up 49 places from #218 in 2024. That is 391 more than the 1,415 girls named Blair in 2024. Its best rank for girls was #169, reached in this year, 2025. That year also had the most girls given the name: 1,806. For comparison, it was #606 in 2015 and #2,008 in 1950.
In 2025, 70 US boys were named Blair, making it the 2,094th most common boys’ name of the year, up 77 places from #2,171 in 2024. That is 3 more than the 67 boys named Blair in 2024. Its best rank for boys was #434, reached in 1953. The most boys given the name in a single year was 330, in 1963. For comparison, it was #2,036 in 2015 and #563 in 1950.
Social Security card records list Blair in 139 years of the 146 from 1880 to 2025, starting in 1881 with 5 babies. In all, 38,276 US babies have been given the name, 61% of them girls and 39% boys. Its busiest decade was the 2020s, with 7,970 babies named Blair.
Over the 10 years from 2016 to 2025, 10,268 US girls were named Blair; the busiest of those years was 2025, with 1,806. In 2025 that was about 1 in 890 of the girls in SSA’s list for the year.
Among the states, Blair ranked highest in South Dakota in 2025, at #74 for girls there. It was in the top 100 in 6 states (counting DC). Related spellings in the SSA files include Blaire (8,070 babies since 1880). Rarer spellings such as Blayre and Blayr are summarised on this page.