In 2025, 31 US girls were named Petrona, making it the 4,527th most common girls’ name of the year, down 1,032 places from #3,495 in 2024. That is 14 fewer than the 45 girls named Petrona in 2024. Its best rank for girls was #3,495, reached in 2024. That year also had the most girls given the name: 45. For comparison, it was #9,356 in 2015 and unranked in 1950.
Social Security card records list Petrona in 34 years of the 146 from 1880 to 2025, starting in 1913 with 5 babies. In all, 409 US babies have been given the name, all of them girls. Its busiest decade was the 2020s, with 163 babies named Petrona.
Over the 10 years from 2016 to 2025, 223 US girls were named Petrona; the busiest of those years was 2024, with 45. In 2025 that was about 1 in 51,847 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Petrina (2,107 babies since 1880).