In 2025, 15 US girls were named Tierney, making it the 7,456th most common girls’ name of the year, down 837 places from #6,619 in 2024. That is 3 fewer than the 18 girls named Tierney in 2024. Its best rank for girls was #1,062, reached in 1993. That year also had the most girls given the name: 172. For comparison, it was #3,385 in 2015 and unranked in 1950.
Social Security card records list Tierney in 69 years of the 146 from 1880 to 2025, starting in 1957 with 46 babies. In all, 3,979 US babies have been given the name, 99% of them girls and 0.6% boys. Its busiest decade was the 1990s, with 1,213 babies named Tierney.
Over the 10 years from 2016 to 2025, 376 US girls were named Tierney; the busiest of those years was 2016, with 62. In 2025 that was about 1 in 107,151 of the girls in SSA’s list for the year.
Rarer spellings such as Tierny, Tearney and Teirney are summarised on this page.