Xi is a unisex name with a rare feel, drawn from real birth records. Below you'll find how many babies have been named Xi across the United States, UK, Ireland and New Zealand, how popular Xi has been over the decades, and the year it peaked.
| Country | Births on record |
|---|---|
| United States since 1880 | 99 births |
| England & Wales since 1996 | 59 births |
| Ireland since 1964 | 3 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 Xi per year, United States (2014 to 2025). United States peaked in 2019 (16/yr) · England & Wales peaked in 2008 (12/yr) · Ireland peaked in 2009 (3/yr).
Xi is a rare baby name in the United States. It was most common in 2019, when it ranked #12,223 nationally (given to 16 babies that year).
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