Total babies named Birtha (all years): 1,973
| Year | Girls (count / rank / %) |
|---|---|
| 1969 | 5 / #7577 / 0.000% |
| 1967 | 6 / #6093 / 0.000% |
| 1965 | 8 / #4868 / 0.000% |
| 1964 | 5 / #6859 / 0.000% |
| 1963 | 7 / #5342 / 0.000% |
| 1961 | 5 / #6651 / 0.000% |
| 1960 | 9 / #4470 / 0.000% |
| 1959 | 13 / #3452 / 0.001% |
| 1957 | 9 / #4231 / 0.000% |
| 1956 | 9 / #4189 / 0.000% |
| Year | Girls (count / rank / %) |
|---|---|
| 1955 | 9 / #4098 / 0.000% |
| 1954 | 14 / #3034 / 0.001% |
| 1953 | 15 / #2829 / 0.001% |
| 1952 | 12 / #3219 / 0.001% |
| 1951 | 13 / #2949 / 0.001% |
| 1950 | 20 / #2193 / 0.001% |
| 1949 | 20 / #2218 / 0.001% |
| 1948 | 11 / #3154 / 0.001% |
| 1947 | 24 / #1999 / 0.001% |
| 1946 | 12 / #2892 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 1945 | 18 / #1998 / 0.001% |
| 1944 | 25 / #1669 / 0.002% |
| 1943 | 20 / #1954 / 0.001% |
| 1942 | 27 / #1592 / 0.002% |
| 1941 | 26 / #1541 / 0.002% |
| 1940 | 21 / #1749 / 0.002% |
| 1939 | 27 / #1430 / 0.002% |
| 1938 | 24 / #1551 / 0.002% |
| 1937 | 23 / #1584 / 0.002% |
| 1936 | 25 / #1482 / 0.002% |
| Year | Girls (count / rank / %) |
|---|---|
| 1935 | 30 / #1333 / 0.003% |
| 1934 | 28 / #1376 / 0.003% |
| 1933 | 35 / #1202 / 0.003% |
| 1932 | 36 / #1193 / 0.003% |
| 1931 | 39 / #1150 / 0.004% |
| 1930 | 43 / #1129 / 0.004% |
| 1929 | 58 / #942 / 0.005% |
| 1928 | 54 / #1015 / 0.005% |
| 1927 | 55 / #1036 / 0.005% |
| 1926 | 67 / #912 / 0.006% |
| Year | Girls (count / rank / %) |
|---|---|
| 1925 | 52 / #1051 / 0.004% |
| 1924 | 62 / #971 / 0.005% |
| 1923 | 50 / #1077 / 0.004% |
| 1922 | 61 / #951 / 0.005% |
| 1921 | 44 / #1150 / 0.004% |
| 1920 | 51 / #1041 / 0.004% |
| 1919 | 48 / #1043 / 0.004% |
| 1918 | 48 / #1043 / 0.004% |
| 1917 | 36 / #1209 / 0.003% |
| 1916 | 48 / #996 / 0.005% |
| Year | Girls (count / rank / %) |
|---|---|
| 1915 | 38 / #1097 / 0.004% |
| 1914 | 37 / #972 / 0.005% |
| 1913 | 27 / #1043 / 0.004% |
| 1912 | 33 / #873 / 0.006% |
| 1911 | 27 / #829 / 0.006% |
| 1910 | 43 / #645 / 0.011% |
| 1909 | 26 / #794 / 0.007% |
| 1908 | 13 / #1144 / 0.004% |
| 1907 | 21 / #822 / 0.007% |
| 1906 | 19 / #848 / 0.006% |
| Year | Girls (count / rank / %) |
|---|---|
| 1905 | 18 / #875 / 0.006% |
| 1904 | 21 / #781 / 0.008% |
| 1903 | 23 / #696 / 0.009% |
| 1902 | 24 / #691 / 0.009% |
| 1901 | 16 / #833 / 0.007% |
| 1900 | 33 / #613 / 0.011% |
| 1899 | 10 / #1039 / 0.004% |
| 1898 | 18 / #793 / 0.007% |
| 1897 | 16 / #793 / 0.007% |
| 1896 | 18 / #760 / 0.008% |
| Year | Girls (count / rank / %) |
|---|---|
| 1895 | 9 / #1130 / 0.004% |
| 1894 | 9 / #1070 / 0.004% |
| 1893 | 11 / #909 / 0.005% |
| 1891 | 7 / #1111 / 0.004% |
| 1890 | 11 / #835 / 0.006% |
| 1889 | 5 / #1307 / 0.003% |
| 1888 | 5 / #1305 / 0.003% |
| 1887 | 7 / #957 / 0.005% |
| 1886 | 10 / #737 / 0.007% |
| 1884 | 6 / #941 / 0.005% |
| Year | Girls (count / rank / %) |
|---|---|
| 1880 | 5 / #844 / 0.005% |