In 2025, 130 US boys were named Alder, making it the 1,402nd most common boys’ name of the year, up 21 places from #1,423 in 2024. That is 1 more than the 129 boys named Alder in 2024. Its best rank for boys was #1,402, reached in this year, 2025. That year also had the most boys given the name: 130. For comparison, it was #3,154 in 2015 and unranked in 1950.
Social Security card records list Alder in 36 years of the 146 from 1880 to 2025, starting in 1903 with 5 babies. In all, 1,431 US babies have been given the name, 4.8% of them girls and 95% boys. Its busiest decade was the 2020s, with 738 babies named Alder.
Over the 10 years from 2016 to 2025, 1,007 US boys were named Alder; the busiest of those years was 2025, with 130. In 2025 that was about 1 in 13,139 of the boys in SSA’s list for the year.
Among the states, Alder ranked highest in Washington in 2025, at #365 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Aldair (1,454 babies since 1880).