Petra: Statistics About The Baby Name Petra
| Year | Boy Rank | # Boys | % Boys | Girl Rank | # Girls | % Girls |
| 1973 | - | - | - | 987 | 121 | 0.0078% |
| 1971 | - | - | - | 977 | 130 | 0.0074% |
| 1970 | - | - | - | 976 | 129 | 0.0070% |
| 1968 | - | - | - | 885 | 136 | 0.0080% |
| 1967 | - | - | - | 929 | 122 | 0.0071% |
| 1966 | - | - | - | 877 | 131 | 0.0075% |
| 1965 | - | - | - | 798 | 154 | 0.0084% |
| 1964 | - | - | - | 896 | 135 | 0.0069% |
| 1960 | - | - | - | 906 | 136 | 0.0065% |
| 1957 | - | - | - | 999 | 109 | 0.0052% |
| 1956 | - | - | - | 933 | 118 | 0.0057% |
| 1954 | - | - | - | 958 | 103 | 0.0052% |
| 1953 | - | - | - | 871 | 117 | 0.0061% |
| 1951 | - | - | - | 951 | 96 | 0.0052% |
| 1950 | - | - | - | 758 | 131 | 0.0075% |
| 1949 | - | - | - | 833 | 112 | 0.0064% |
| 1948 | - | - | - | 736 | 132 | 0.0076% |
| 1947 | - | - | - | 827 | 113 | 0.0062% |
| 1946 | - | - | - | 760 | 117 | 0.0073% |
| 1945 | - | - | - | 788 | 91 | 0.0068% |
| 1944 | - | - | - | 755 | 103 | 0.0075% |
| 1943 | - | - | - | 761 | 104 | 0.0073% |
| 1942 | - | - | - | 773 | 97 | 0.0070% |
| 1941 | - | - | - | 804 | 81 | 0.0065% |
| 1940 | - | - | - | 669 | 107 | 0.0091% |
| 1939 | - | - | - | 661 | 106 | 0.0093% |
| 1938 | - | - | - | 637 | 117 | 0.0103% |
| 1937 | - | - | - | 612 | 122 | 0.0111% |
| 1936 | - | - | - | 616 | 115 | 0.0107% |
| 1935 | - | - | - | 632 | 106 | 0.0098% |
| 1934 | - | - | - | 548 | 139 | 0.0128% |
| 1933 | - | - | - | 590 | 120 | 0.0115% |
| 1932 | - | - | - | 550 | 142 | 0.0128% |
| 1931 | - | - | - | 504 | 166 | 0.0151% |
| 1930 | - | - | - | 505 | 176 | 0.0151% |
| 1929 | - | - | - | 492 | 188 | 0.0162% |
| 1928 | - | - | - | 514 | 182 | 0.0152% |
| 1927 | - | - | - | 498 | 198 | 0.0160% |
| 1926 | - | - | - | 527 | 176 | 0.0143% |
| 1925 | - | - | - | 514 | 187 | 0.0148% |
| 1924 | - | - | - | 526 | 186 | 0.0144% |
| 1923 | - | - | - | 559 | 168 | 0.0134% |
| 1922 | - | - | - | 507 | 190 | 0.0152% |
| 1921 | - | - | - | 557 | 165 | 0.0129% |
| 1920 | - | - | - | 582 | 152 | 0.0122% |
| 1919 | - | - | - | 582 | 144 | 0.0123% |
| 1918 | - | - | - | 611 | 134 | 0.0111% |
| 1917 | - | - | - | 619 | 122 | 0.0109% |
| 1916 | - | - | - | 691 | 99 | 0.0091% |
| 1915 | - | - | - | 592 | 121 | 0.0118% |
| 1914 | - | - | - | 530 | 111 | 0.0140% |
| 1913 | - | - | - | 559 | 84 | 0.0129% |
| 1912 | - | - | - | 616 | 64 | 0.0109% |
| 1911 | - | - | - | 533 | 62 | 0.0141% |
| 1910 | - | - | - | 508 | 65 | 0.0155% |
| 1909 | - | - | - | 538 | 50 | 0.0136% |
| 1908 | - | - | - | 601 | 40 | 0.0113% |
| 1907 | - | - | - | 506 | 51 | 0.0151% |
| 1906 | - | - | - | 560 | 40 | 0.0128% |
| 1905 | - | - | - | 525 | 43 | 0.0139% |
| 1904 | - | - | - | 505 | 43 | 0.0147% |
| 1903 | - | - | - | 663 | 26 | 0.0093% |
| 1902 | - | - | - | 534 | 37 | 0.0132% |
| 1901 | - | - | - | 505 | 37 | 0.0146% |
| 1900 | - | - | - | 538 | 40 | 0.0126% |
| 1899 | - | - | - | 675 | 22 | 0.0089% |
| 1898 | - | - | - | 648 | 26 | 0.0095% |
| 1897 | - | - | - | 640 | 24 | 0.0097% |
| 1896 | - | - | - | 525 | 33 | 0.0131% |
| 1895 | - | - | - | 589 | 27 | 0.0109% |
| 1894 | - | - | - | 435 | 42 | 0.0178% |
| 1893 | - | - | - | 610 | 23 | 0.0102% |
| 1892 | - | - | - | 575 | 24 | 0.0107% |
| 1891 | - | - | - | 639 | 18 | 0.0092% |
| 1890 | - | - | - | 640 | 18 | 0.0089% |
| 1889 | - | - | - | 528 | 24 | 0.0127% |
| 1888 | - | - | - | 522 | 24 | 0.0127% |
| 1887 | - | - | - | 556 | 17 | 0.0109% |
| 1886 | - | - | - | 523 | 19 | 0.0124% |
| 1885 | - | - | - | 571 | 15 | 0.0106% |
| 1884 | - | - | - | 781 | 9 | 0.0065% |
| 1883 | - | - | - | 683 | 9 | 0.0075% |
| 1882 | - | - | - | 667 | 9 | 0.0078% |
| 1881 | - | - | - | 574 | 10 | 0.0101% |
