In 2025, 94 US boys were named Calder, making it the 1,731st most common boys’ name of the year, up 256 places from #1,987 in 2024. That is 16 more than the 78 boys named Calder in 2024. Its best rank for boys was #1,444, reached in 2016. That year also had the most boys given the name: 120. For comparison, it was #1,856 in 2015 and unranked in 1950.
Social Security card records list Calder in 45 years of the 146 from 1880 to 2025, starting in 1980 with 9 babies. In all, 2,203 US babies have been given the name, 1.7% of them girls and 98% boys. Its busiest decade was the 2010s, with 877 babies named Calder.
Over the 10 years from 2016 to 2025, 948 US boys were named Calder; the busiest of those years was 2016, with 120. In 2025 that was about 1 in 18,171 of the boys in SSA’s list for the year.
Among the states, Calder ranked highest in Utah in 2025, at #717 for boys there. It was not in the top 100 of any state. Rarer spellings such as Kaulder, Caulder and Kalder are summarised on this page.