Total babies named Thelmer (all years): 189
| Year | Boys (count / rank / %) |
|---|---|
| 1938 | 5 / #3990 / 0.000% |
| 1935 | 5 / #4097 / 0.000% |
| 1934 | 5 / #4148 / 0.000% |
| 1931 | — |
| 1929 | — |
| 1927 | 5 / #4736 / 0.000% |
| 1926 | 7 / #3670 / 0.001% |
| 1925 | 7 / #3712 / 0.001% |
| 1924 | 8 / #3475 / 0.001% |
| 1923 | 5 / #4819 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1922 | 10 / #2989 / 0.001% |
| 1921 | 9 / #3189 / 0.001% |
| 1920 | 8 / #3472 / 0.001% |
| 1919 | 12 / #2498 / 0.001% |
| 1918 | 10 / #2859 / 0.001% |
| 1917 | 6 / #3925 / 0.001% |
| 1916 | 6 / #3842 / 0.001% |
| 1915 | 13 / #2168 / 0.002% |
| 1914 | 9 / #2435 / 0.001% |
| 1913 | — |
| Year | Boys (count / rank / %) |
|---|---|
| 1912 | 7 / #2246 / 0.002% |
| 1910 | 5 / #1817 / 0.003% |