Sir is a boy name with a rare feel, drawn from real birth records. Below you'll find how many babies have been named Sir across the United States, UK, Ireland and New Zealand, how popular Sir has been over the decades, and the year it peaked.
| Country | Births on record |
|---|---|
| United States since 1880 | 2,172 births |
| England & Wales since 1996 | 20 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 Sir per year, United States (1967 to 2025). United States peaked in 2021 (123/yr) · England & Wales peaked in 2006 (4/yr).
Sir is an uncommon baby name in the United States. It was most common in 2021, when it ranked #3,092 nationally (given to 123 babies that year).
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