In 2025, 123 US boys were named Zephaniah, making it the 1,458th most common boys’ name of the year, down 119 places from #1,339 in 2024. That is 21 fewer than the 144 boys named Zephaniah in 2024. Its best rank for boys was #1,143, reached in 2019. That year also had the most boys given the name: 171. For comparison, it was #1,415 in 2015 and unranked in 1950.
In 2025, 20 US girls were named Zephaniah, making it the 6,111th most common girls’ name of the year, up 1,852 places from #7,963 in 2024. That is 6 more than the 14 girls named Zephaniah in 2024. Its best rank for girls was #4,987, reached in 2016. That year also had the most girls given the name: 28. For comparison, it was #6,716 in 2015 and unranked in 1950.
Social Security card records list Zephaniah in 51 years of the 146 from 1880 to 2025, starting in 1972 with 7 babies. In all, 3,857 US babies have been given the name, 12% of them girls and 88% boys. Its busiest decade was the 2010s, with 1,532 babies named Zephaniah.
Over the 10 years from 2016 to 2025, 1,373 US boys were named Zephaniah; the busiest of those years was 2019, with 171. In 2025 that was about 1 in 13,887 of the boys in SSA’s list for the year.
Among the states, Zephaniah ranked highest in Colorado in 2025, at #965 for boys there. It was not in the top 100 of any state. Rarer spellings such as Zephania are summarised on this page. The open nickname list we use links it to Zeph.