The baby name Pietro appears in baby name data for the United States from 1912 to 2024. It was most popular in 1974 with 43 babies given the name.
In the later years of this period, Pietro has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1912 | 6 |
| 1914 | 5 |
| 1916 | 9 |
| 1917 | 12 |
| 1918 | 12 |
| 1919 | 5 |
| 1920 | 6 |
| 1921 | 11 |
| 1922 | 7 |
| 1924 | 12 |
| 1925 | 6 |
| 1959 | 5 |
| 1960 | 6 |
| 1962 | 8 |
| 1963 | 7 |
| 1964 | 9 |
| 1965 | 7 |
| 1966 | 5 |
| 1967 | 7 |
| 1968 | 17 |
| 1969 | 7 |
| 1970 | 28 |
| 1971 | 21 |
| 1972 | 16 |
| 1973 | 27 |
| 1974 | 43 |
| 1975 | 37 |
| 1976 | 24 |
| 1977 | 27 |
| 1978 | 8 |
| 1979 | 9 |
| 1980 | 13 |
| 1981 | 10 |
| 1982 | 12 |
| 1985 | 11 |
| 1986 | 18 |
| 1987 | 8 |
| 1990 | 8 |
| 1991 | 18 |
| 1992 | 9 |
| 1993 | 9 |
| 1994 | 6 |
| 1995 | 12 |
| 1996 | 6 |
| 1997 | 9 |
| 1998 | 14 |
| 1999 | 7 |
| 2000 | 7 |
| 2001 | 6 |
| 2002 | 8 |
| 2003 | 12 |
| 2004 | 7 |
| 2005 | 7 |
| 2006 | 8 |
| 2008 | 14 |
| 2009 | 6 |
| 2010 | 19 |
| 2011 | 11 |
| 2012 | 10 |
| 2013 | 15 |
| 2014 | 8 |
| 2015 | 21 |
| 2016 | 24 |
| 2017 | 34 |
| 2018 | 28 |
| 2019 | 27 |
| 2021 | 27 |
| 2022 | 20 |
| 2023 | 12 |
| 2024 | 13 |