Petra is an established variant of Peter that peaked in 1927 and remains in steady use.
Petra is predominantly a girl name. In 2025 it ranked #1,372 for girl births in the United States (and #2,583 across all names), given to 161 babies. Petra first appears in 1881 and peaked in 1927 (197 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 161 | 161 | #1,372 | — |
| 2024 | 147 | 147 | #1,490 | — |
| 2023 | 149 | 149 | #1,473 | — |
| 2022 | 140 | 140 | #1,537 | — |
| 2021 | 151 | 151 | #1,430 | — |
| 2020 | 175 | 175 | #1,278 | — |
| 2019 | 172 | 172 | #1,330 | — |
| 2018 | 144 | 144 | #1,518 | — |
| 2017 | 165 | 165 | #1,398 | — |
| 2016 | 158 | 158 | #1,463 | — |
| 2015 | 176 | 176 | #1,351 | — |
| 2014 | 145 | 145 | #1,518 | — |
| 2013 | 134 | 134 | #1,613 | — |
| 2012 | 122 | 122 | #1,713 | — |
| 2011 | 118 | 118 | #1,746 | — |
| 2010 | 99 | 99 | #2,025 | — |
| 2009 | 135 | 135 | #1,655 | — |
| 2008 | 133 | 133 | #1,682 | — |
| 2007 | 124 | 124 | #1,749 | — |
| 2006 | 101 | 101 | #1,985 | — |
| 2005 | 122 | 122 | #1,644 | — |
| 2004 | 89 | 89 | #2,062 | — |
| 2003 | 80 | 80 | #2,182 | — |
| 2002 | 80 | 80 | #2,122 | — |
| 2001 | 91 | 91 | #1,920 | — |
| 2000 | 91 | 91 | #1,881 | — |
| 1999 | 70 | 70 | #2,175 | — |
| 1998 | 78 | 78 | #1,950 | — |
| 1997 | 84 | — | #1,798 | — |
| 1996 | 85 | — | #1,764 | — |
| 1995 | 81 | — | #1,783 | — |
| 1994 | 94 | — | #1,621 | — |
| 1993 | 90 | — | #1,677 | — |
| 1992 | 87 | — | #1,728 | — |
| 1991 | 83 | — | #1,830 | #9,236 |
| 1990 | 76 | — | #1,873 | — |
| 1989 | 73 | — | #1,831 | — |
| 1988 | 79 | — | #1,658 | — |
| 1987 | 111 | — | #1,271 | — |
| 1986 | 75 | — | #1,599 | — |
| 1985 | 91 | — | #1,407 | — |
| 1984 | 89 | — | #1,354 | — |
| 1983 | 96 | — | #1,282 | — |
| 1982 | 67 | — | #1,698 | — |
| 1981 | 86 | — | #1,429 | — |
| 1980 | 116 | — | #1,166 | — |
| 1979 | 101 | — | #1,266 | — |
| 1978 | 120 | — | #1,095 | — |
| 1977 | 101 | — | #1,211 | — |
| 1976 | 123 | — | #1,020 | — |
| 1975 | 101 | — | #1,152 | — |
| 1974 | 120 | — | #1,006 | — |
| 1973 | 127 | — | #978 | #5,680 |
| 1972 | 117 | — | #1,009 | — |
| 1971 | 130 | — | #978 | — |
| 1970 | 130 | — | #973 | — |
| 1969 | 113 | — | #1,029 | — |
| 1968 | 134 | — | #892 | — |
| 1967 | 124 | — | #922 | — |
| 1966 | 130 | — | #884 | — |
| 1965 | 156 | — | #791 | — |
| 1964 | 138 | — | #886 | — |
| 1963 | 113 | — | #1,006 | — |
| 1962 | 116 | — | #1,000 | — |
| 1961 | 99 | — | #1,107 | — |
| 1960 | 137 | — | #902 | — |
| 1959 | 106 | — | #1,033 | — |
| 1958 | 92 | — | #1,101 | — |
| 1957 | 109 | — | #999 | — |
| 1956 | 118 | — | #932 | — |
| 1955 | 100 | — | #1,000 | — |
| 1954 | 103 | — | #955 | — |
| 1953 | 115 | — | #880 | — |
| 1952 | 88 | — | #1,006 | — |
| 1951 | 98 | — | #936 | — |
| 1950 | 130 | — | #760 | — |
| 1949 | 113 | — | #832 | — |
| 1948 | 136 | — | #739 | #4,059 |
| 1947 | 115 | — | #819 | — |
| 1946 | 116 | — | #765 | — |
| 1945 | 93 | — | #777 | — |
| 1944 | 103 | — | #756 | — |
| 1943 | 103 | — | #766 | — |
| 1942 | 97 | — | #771 | — |
| 1941 | 81 | — | #806 | — |
| 1940 | 108 | — | #666 | — |
| 1939 | 106 | — | #663 | — |
| 1938 | 117 | — | #637 | — |
| 1937 | 127 | — | #612 | #3,434 |
| 1936 | 115 | — | #618 | — |
| 1935 | 106 | — | #633 | — |
| 1934 | 139 | — | #548 | — |
| 1933 | 120 | — | #591 | — |
| 1932 | 141 | — | #550 | — |
| 1931 | 173 | — | #498 | #4,197 |
| 1930 | 181 | — | #505 | #4,419 |
| 1929 | 192 | — | #492 | #4,409 |
| 1928 | 189 | — | #514 | #3,625 |
| 1927 | 205 | — | #499 | #3,377 |
| 1926 | 174 | — | #532 | — |
| 1925 | 189 | — | #512 | — |
| 1924 | 192 | — | #525 | #4,813 |
| 1923 | 168 | — | #558 | — |
| 1922 | 189 | — | #507 | — |
| 1921 | 166 | — | #552 | — |
| 1920 | 158 | — | #582 | #4,167 |
| 1919 | 145 | — | #580 | — |
| 1918 | 139 | — | #610 | #4,655 |
| 1917 | 123 | — | #619 | — |
| 1916 | 99 | — | #690 | — |
| 1915 | 120 | — | #597 | — |
| 1914 | 111 | — | #530 | — |
| 1913 | 85 | — | #557 | — |
| 1912 | 63 | — | #629 | — |
| 1911 | 62 | — | #534 | — |
| 1910 | 65 | — | #510 | — |
| 1909 | 50 | — | #539 | — |
| 1908 | 40 | — | #601 | — |
| 1907 | 51 | — | #506 | — |
| 1906 | 40 | — | #561 | — |
| 1905 | 43 | — | #526 | — |
| 1904 | 43 | — | #505 | — |
| 1903 | 26 | — | #663 | — |
| 1902 | 37 | — | #534 | — |
| 1901 | 37 | — | #505 | — |
| 1900 | 40 | — | #537 | — |
| 1899 | 22 | — | #675 | — |
| 1898 | 26 | — | #648 | — |
| 1897 | 24 | — | #640 | — |
| 1896 | 33 | — | #525 | — |
| 1895 | 27 | — | #589 | — |
| 1894 | 42 | — | #435 | — |
| 1893 | 23 | — | #611 | — |
| 1892 | 24 | — | #575 | — |
| 1891 | 18 | — | #639 | — |
| 1890 | 18 | — | #639 | — |
| 1889 | 24 | — | #528 | — |
| 1888 | 24 | — | #522 | — |
| 1887 | 17 | — | #556 | — |
| 1886 | 19 | — | #523 | — |
| 1885 | 15 | — | #571 | — |
| 1884 | 9 | — | #781 | — |
| 1883 | 9 | — | #682 | — |
| 1882 | 9 | — | #667 | — |
| 1881 | 10 | — | #574 | — |