Theodor is an uncommon variant of Theodore that has climbed to its highest level yet, peaking in 2022.
Theodor is a boy name. In 2025 it ranked #2,004 for boy births in the United States (and #4,280 across all names), given to 76 babies. Theodor first appears in 1884 and peaked in 2022 (88 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 76 | 76 | #2,004 |
| 2024 | 71 | 71 | #2,115 |
| 2023 | 86 | 86 | #1,864 |
| 2022 | 88 | 88 | #1,836 |
| 2021 | 70 | 70 | #2,094 |
| 2020 | 79 | 79 | #1,892 |
| 2019 | 85 | 85 | #1,814 |
| 2018 | 65 | 65 | #2,164 |
| 2017 | 54 | 54 | #2,414 |
| 2016 | 62 | 62 | #2,203 |
| 2015 | 54 | 54 | #2,408 |
| 2014 | 56 | 56 | #2,342 |
| 2013 | 45 | 45 | #2,664 |
| 2012 | 20 | 20 | #4,843 |
| 2011 | 25 | 25 | #4,095 |
| 2010 | 26 | 26 | #3,982 |
| 2009 | 21 | 21 | #4,728 |
| 2008 | 20 | 20 | #4,878 |
| 2007 | 21 | 21 | #4,623 |
| 2006 | 16 | 16 | #5,498 |
| 2005 | 22 | 22 | #4,178 |
| 2004 | 18 | 18 | #4,775 |
| 2003 | 12 | 12 | #6,213 |
| 2002 | 24 | 24 | #3,660 |
| 2001 | 16 | 16 | #4,868 |
| 2000 | 19 | 19 | #4,188 |
| 1999 | 16 | 16 | #4,515 |
| 1998 | 19 | 19 | #3,832 |
| 1997 | 6 | — | #9,151 |
| 1996 | 11 | — | #5,496 |
| 1995 | 16 | — | #4,031 |
| 1994 | 11 | — | #5,417 |
| 1993 | 11 | — | #5,322 |
| 1992 | 13 | — | #4,546 |
| 1991 | 12 | — | #4,734 |
| 1990 | 12 | — | #4,643 |
| 1989 | 16 | — | #3,601 |
| 1988 | 11 | — | #4,424 |
| 1987 | 14 | — | #3,491 |
| 1986 | 8 | — | #5,285 |
| 1985 | 11 | — | #4,025 |
| 1984 | 9 | — | #4,520 |
| 1983 | 7 | — | #5,433 |
| 1981 | 11 | — | #3,834 |
| 1980 | 11 | — | #3,821 |
| 1978 | 10 | — | #3,825 |
| 1977 | 9 | — | #4,134 |
| 1976 | 13 | — | #3,079 |
| 1974 | 9 | — | #3,812 |
| 1973 | 7 | — | #4,457 |
| 1972 | 8 | — | #3,930 |
| 1971 | 11 | — | #3,128 |
| 1970 | 12 | — | #2,876 |
| 1969 | 11 | — | #2,842 |
| 1968 | 17 | — | #2,027 |
| 1967 | 8 | — | #3,212 |
| 1966 | 11 | — | #2,611 |
| 1965 | 11 | — | #2,601 |
| 1964 | 11 | — | #2,649 |
| 1963 | 17 | — | #2,040 |
| 1962 | 8 | — | #3,283 |
| 1961 | 15 | — | #2,232 |
| 1960 | 15 | — | #2,199 |
| 1959 | 10 | — | #2,805 |
| 1958 | 16 | — | #2,085 |
| 1957 | 13 | — | #2,365 |
| 1956 | 21 | — | #1,759 |
| 1955 | 13 | — | #2,297 |
| 1954 | 12 | — | #2,430 |
| 1953 | 14 | — | #2,177 |
| 1952 | 14 | — | #2,146 |
| 1951 | 15 | — | #2,047 |
| 1950 | 11 | — | #2,427 |
| 1949 | 8 | — | #2,997 |
| 1948 | 10 | — | #2,602 |
| 1947 | 13 | — | #2,243 |
| 1946 | 18 | — | #1,751 |
| 1945 | 5 | — | #3,732 |
| 1944 | 14 | — | #1,976 |
| 1943 | 13 | — | #2,174 |
| 1942 | 11 | — | #2,376 |
| 1941 | 10 | — | #2,476 |
| 1940 | 11 | — | #2,308 |
| 1939 | 11 | — | #2,281 |
| 1938 | 12 | — | #2,172 |
| 1937 | 10 | — | #2,466 |
| 1936 | 12 | — | #2,169 |
| 1935 | 10 | — | #2,514 |
| 1934 | 12 | — | #2,251 |
| 1933 | 12 | — | #2,200 |
| 1932 | 20 | — | #1,645 |
| 1931 | 8 | — | #3,075 |
| 1930 | 13 | — | #2,282 |
| 1929 | 13 | — | #2,310 |
| 1928 | 13 | — | #2,375 |
| 1927 | 19 | — | #1,864 |
| 1926 | 18 | — | #1,904 |
| 1925 | 16 | — | #2,078 |
| 1924 | 13 | — | #2,455 |
| 1923 | 9 | — | #3,151 |
| 1922 | 12 | — | #2,620 |
| 1921 | 15 | — | #2,255 |
| 1920 | 11 | — | #2,745 |
| 1919 | 12 | — | #2,499 |
| 1918 | 18 | — | #1,899 |
| 1917 | 23 | — | #1,524 |
| 1916 | 15 | — | #2,035 |
| 1915 | 15 | — | #1,959 |
| 1914 | 15 | — | #1,676 |
| 1913 | 12 | — | #1,668 |
| 1892 | 6 | — | #1,057 |
| 1887 | 5 | — | #1,055 |
| 1884 | 5 | — | #1,108 |