In 2025, 43 US boys were named Qais, making it the 2,922nd most common boys’ name of the year, up 339 places from #3,261 in 2024. That is 6 more than the 37 boys named Qais in 2024. Its best rank for boys was #2,922, reached in this year, 2025. That year also had the most boys given the name: 43. For comparison, it was #4,515 in 2015 and unranked in 1950.
Social Security card records list Qais in 25 years of the 146 from 1880 to 2025, starting in 1999 with 5 babies. In all, 467 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 216 babies named Qais.
Over the 10 years from 2016 to 2025, 292 US boys were named Qais; the busiest of those years was 2025, with 43. In 2025 that was about 1 in 39,723 of the boys in SSA’s list for the year.
Among the states, Qais ranked highest in Illinois in 2025, at #1,440 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Caius (2,329 babies since 1880) and Kaius (2,011 babies since 1880).