In 2025, 40 US boys were named Pietro, making it the 3,074th most common boys’ name of the year, up 594 places from #3,668 in 2024. That is 9 more than the 31 boys named Pietro in 2024. Its best rank for boys was #1,147, reached in 1974. That year also had the most boys given the name: 52. For comparison, it was #3,068 in 2015 and #2,962 in 1950.
Social Security card records list Pietro in 103 years of the 146 from 1880 to 2025, starting in 1909 with 5 babies. In all, 2,423 US babies have been given the name, all of them boys. Its busiest decade was the 1970s, with 378 babies named Pietro.
Over the 10 years from 2016 to 2025, 367 US boys were named Pietro; the busiest of those years was 2021, with 44. In 2025 that was about 1 in 42,702 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Peter (591,531 babies since 1880), Pedro (94,582 babies since 1880) and Pierre (19,143 babies since 1880).