Total babies named Mertha (all years): 190
| Year | Girls (count / rank / %) |
|---|---|
| 1953 | 6 / #5463 / 0.000% |
| 1950 | 5 / #5852 / 0.000% |
| 1949 | 5 / #5782 / 0.000% |
| 1944 | 6 / #4390 / 0.000% |
| 1943 | 6 / #4539 / 0.000% |
| 1942 | 7 / #4001 / 0.001% |
| 1941 | 7 / #3848 / 0.001% |
| 1937 | 6 / #4121 / 0.001% |
| 1936 | 7 / #3612 / 0.001% |
| 1935 | 5 / #4684 / 0.000% |
| Year | Girls (count / rank / %) |
|---|---|
| 1934 | 5 / #4767 / 0.000% |
| 1933 | 10 / #2815 / 0.001% |
| 1931 | 10 / #2915 / 0.001% |
| 1930 | 5 / #5033 / 0.000% |
| 1929 | 5 / #5064 / 0.000% |
| 1928 | 10 / #3089 / 0.001% |
| 1926 | 6 / #4668 / 0.001% |
| 1925 | 17 / #2253 / 0.001% |
| 1924 | 5 / #5627 / 0.000% |
| 1922 | 13 / #2719 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 1921 | 11 / #3093 / 0.001% |
| 1918 | 6 / #4645 / 0.001% |
| 1917 | 7 / #3979 / 0.001% |
| 1916 | 7 / #3806 / 0.001% |
| 1915 | 8 / #3331 / 0.001% |
| 1914 | 5 / #4009 / 0.001% |