In 2025, 272 US girls were named Sky, making it the 949th most common girls’ name of the year, down 123 places from #826 in 2024. That is 61 fewer than the 333 girls named Sky in 2024. Its best rank for girls was #712, reached in 2021. That year also had the most girls given the name: 405. For comparison, it was #774 in 2015 and unranked in 1950.
In 2025, 101 US boys were named Sky, making it the 1,661st most common boys’ name of the year, up 22 places from #1,683 in 2024. That is 1 more than the 100 boys named Sky in 2024. Its best rank for boys was #1,039, reached in 1978. The most boys given the name in a single year was 124, in 2014. For comparison, it was #1,802 in 2015 and unranked in 1950.
Social Security card records list Sky in 73 years of the 146 from 1880 to 2025, starting in 1953 with 7 babies. In all, 13,948 US babies have been given the name, 70% of them girls and 30% boys. Its busiest decade was the 2010s, with 4,171 babies named Sky.
Over the 10 years from 2016 to 2025, 3,456 US girls were named Sky; the busiest of those years was 2021, with 405. In 2025 that was about 1 in 5,909 of the girls in SSA’s list for the year.
Among the states, Sky ranked highest in Utah in 2025, at #534 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Skylar (105,716 babies since 1880), Skyler (69,539 babies since 1880), Skye (27,165 babies since 1880) and Skyla (14,344 babies since 1880).