Theodor is a boy name with a rare feel, drawn from real birth records. Below you'll find how many babies have been named Theodor across the United States, UK, Ireland and New Zealand, how popular Theodor has been over the decades, and the year it peaked.
| Country | Births on record |
|---|---|
| United States since 1880 | 2,216 births |
| England & Wales since 1996 | 724 births |
| Scotland since 1974 | 14 births |
| Northern Ireland since 1997 | 3 births |
| Ireland since 1964 | 47 births |
Counts come from official national birth-registration statistics: U.S. Social Security Administration, England & Wales (Office for National Statistics), Scotland (National Records of Scotland), Northern Ireland (NISRA), Ireland (Central Statistics Office) and New Zealand (Dept. of Internal Affairs). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Theodor per year, United States (1884 to 2025). United States peaked in 2022 (88/yr) · England & Wales peaked in 2025 (63/yr) · Ireland peaked in 2020 (7/yr) · Scotland peaked in 2017 (5/yr) · Northern Ireland peaked in 2015 (3/yr).
Theodor is an uncommon baby name in the United States. It was most common in 2022, when it ranked #3,921 nationally (given to 151 babies that year).
Theodore · Theodora · Theadore · Thedore · Theadora · Thedora · Theodoro · Theador
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