In 2025, 9 US boys were named Kiyoshi, making it the 8,618th most common boys’ name of the year, up 858 places from #9,476 in 2024. That is 1 more than the 8 boys named Kiyoshi in 2024. Its best rank for boys was #838, reached in 1923. That year also had the most boys given the name: 66. For comparison, it was #13,162 in 2015 and unranked in 1950.
Social Security card records list Kiyoshi in 75 years of the 146 from 1880 to 2025, starting in 1910 with 5 babies. In all, 1,241 US babies have been given the name, 1.2% of them girls and 99% boys. Its busiest decade was the 1920s, with 478 babies named Kiyoshi.
Over the 10 years from 2016 to 2025, 93 US boys were named Kiyoshi; the busiest of those years was 2019, with 13. In 2025 that was about 1 in 189,786 of the boys in SSA’s list for the year.