The baby name Petra appears in baby name data for the United States from 1910 to 2024. It was most popular in 1929 with 283 babies given the name.
Over the period shown, Petra has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1910 | 98 |
| 1911 | 106 |
| 1912 | 91 |
| 1913 | 131 |
| 1914 | 172 |
| 1915 | 180 |
| 1916 | 152 |
| 1917 | 175 |
| 1918 | 210 |
| 1918 | 5 |
| 1919 | 124 |
| 1920 | 129 |
| 1920 | 5 |
| 1921 | 131 |
| 1922 | 161 |
| 1923 | 126 |
| 1924 | 145 |
| 1925 | 137 |
| 1926 | 130 |
| 1927 | 147 |
| 1927 | 6 |
| 1928 | 251 |
| 1928 | 5 |
| 1929 | 283 |
| 1930 | 244 |
| 1931 | 230 |
| 1932 | 190 |
| 1933 | 163 |
| 1934 | 114 |
| 1935 | 234 |
| 1936 | 90 |
| 1937 | 93 |
| 1938 | 80 |
| 1939 | 78 |
| 1940 | 78 |
| 1941 | 64 |
| 1942 | 5 |
| 1943 | 204 |
| 1944 | 5 |
| 1945 | 8 |
| 1946 | 5 |
| 1947 | 12 |
| 1948 | 13 |
| 1949 | 11 |
| 1950 | 99 |
| 1951 | 58 |
| 1952 | 48 |
| 1953 | 75 |
| 1954 | 56 |
| 1955 | 64 |
| 1956 | 79 |
| 1957 | 62 |
| 1958 | 66 |
| 1959 | 73 |
| 1960 | 93 |
| 1961 | 60 |
| 1962 | 63 |
| 1963 | 39 |
| 1964 | 25 |
| 1965 | 51 |
| 1966 | 37 |
| 1967 | 47 |
| 1968 | 72 |
| 1969 | 64 |
| 1970 | 74 |
| 1971 | 73 |
| 1972 | 54 |
| 1973 | 70 |
| 1974 | 44 |
| 1975 | 36 |
| 1976 | 69 |
| 1977 | 54 |
| 1978 | 69 |
| 1979 | 35 |
| 1980 | 48 |
| 1981 | 42 |
| 1982 | 20 |
| 1983 | 41 |
| 1984 | 25 |
| 1985 | 79 |
| 1986 | 28 |
| 1987 | 65 |
| 1988 | 15 |
| 1990 | 5 |
| 1991 | 43 |
| 1992 | 48 |
| 1993 | 7 |
| 1994 | 24 |
| 1995 | 14 |
| 1996 | 22 |
| 1997 | 40 |
| 1998 | 44 |
| 1999 | 5 |
| 2000 | 27 |
| 2001 | 33 |
| 2002 | 10 |
| 2003 | 46 |
| 2004 | 49 |
| 2005 | 54 |
| 2006 | 36 |
| 2007 | 59 |
| 2008 | 78 |
| 2009 | 46 |
| 2010 | 37 |
| 2011 | 65 |
| 2012 | 28 |
| 2013 | 58 |
| 2014 | 83 |
| 2015 | 124 |
| 2016 | 132 |
| 2017 | 124 |
| 2018 | 44 |
| 2019 | 109 |
| 2020 | 132 |
| 2021 | 86 |
| 2022 | 92 |
| 2023 | 93 |
| 2024 | 108 |