In 2025, 908 US boys were named Spencer, making it the 360th most common boys’ name of the year, up 24 places from #384 in 2024. That is 63 more than the 845 boys named Spencer in 2024. Its best rank for boys was #84, reached in 1998. That year also had the most boys given the name: 4,619. For comparison, it was #252 in 2015 and #378 in 1950.
In 2025, 245 US girls were named Spencer, making it the 1,025th most common girls’ name of the year, up 94 places from #1,119 in 2024. That is 28 more than the 217 girls named Spencer in 2024. Its best rank for girls was #981, reached in 2017. That year also had the most girls given the name: 267. For comparison, it was #1,091 in 2015 and #6,003 in 1950.
Social Security card records list Spencer in every one of the 146 years from 1880 to 2025; in 1880 there were 35 babies with the name. In all, 129,638 US babies have been given the name, 4.4% of them girls and 96% boys. Its busiest decade was the 1990s, with 39,491 babies named Spencer.
Over the 10 years from 2016 to 2025, 10,480 US boys were named Spencer; the busiest of those years was 2016, with 1,371. In 2025 that was about 1 in 1,881 of the boys in SSA’s list for the year.
Among the states, Spencer ranked highest in South Dakota in 2025, at #167 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Spenser (3,363 babies since 1880).