In 2025, 296 US boys were named Kaiser, making it the 836th most common boys’ name of the year, down 31 places from #805 in 2024. That is 18 fewer than the 314 boys named Kaiser in 2024. Its best rank for boys was #749, reached in 2022. That year also had the most boys given the name: 342. For comparison, it was #1,276 in 2015 and unranked in 1950.
Social Security card records list Kaiser in 63 years of the 146 from 1880 to 2025, starting in 1915 with 8 babies. In all, 3,955 US babies have been given the name, 0.9% of them girls and 99% boys. Its busiest decade was the 2020s, with 1,878 babies named Kaiser.
Over the 10 years from 2016 to 2025, 2,846 US boys were named Kaiser; the busiest of those years was 2022, with 342. In 2025 that was about 1 in 5,771 of the boys in SSA’s list for the year.
Among the states, Kaiser ranked highest in Mississippi in 2025, at #228 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Kaizer (1,372 babies since 1880). Rarer spellings such as Kasir, Kayser and Kazier are summarised on this page.