In 2025, 27 US girls were named Katharine, making it the 4,935th most common girls’ name of the year, down 107 places from #4,828 in 2024. That is 1 fewer than the 28 girls named Katharine in 2024. Its best rank for girls was #172, reached in 1880. The most girls given the name in a single year was 946, in 1982. For comparison, it was #2,146 in 2015 and #415 in 1950.
Social Security card records list Katharine in every one of the 146 years from 1880 to 2025; in 1880 there were 76 babies with the name. In all, 41,241 US babies have been given the name, all of them girls. Its busiest decade was the 1980s, with 7,871 babies named Katharine.
Over the 10 years from 2016 to 2025, 464 US girls were named Katharine; the busiest of those years was 2017, with 73. In 2025 that was about 1 in 59,528 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Katherine (652,750 babies since 1880), Catherine (669,611 babies since 1880), Catharine (12,994 babies since 1880) and Katherin (3,630 babies since 1880). Rarer spellings such as Katharyn are summarised on this page.