Sydni is a girl name with a modern feel, drawn from real birth records. Below you'll find what Sydni means and where it comes from, plus how many babies have been named Sydni across the United States, UK, Ireland and New Zealand, how popular Sydni has been over the decades, and the year it peaked.
Sydni is a girl name of Old English origin meaning “wide island; from Saint-Denis”. A variant spelling of Sydney.
| Country | Births on record |
|---|---|
| United States since 1880 | 5,361 births |
| England & Wales since 1996 | 68 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 Sydni per year, United States (1947 to 2025). United States peaked in 2000 (468/yr) · England & Wales peaked in 2006 (8/yr).
Sydni is an uncommon baby name in the United States. It was most common in 2000, when it ranked #1,042 nationally (given to 472 babies that year).
Sydney · Sidney · Sydnee · Sydnie · Cydney · Sedona · Sedonia · Sydna
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