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Cydni
How to Pronounce Cydni
Pronounced SID-nee /ΛsΙͺd.ni/High
Meaning: Cydni is a stylized spelling of Sydney, a surname-name from the Old English 'wide island' (sid plus eg) or from the Norman place-name Saint-Denis. The C- and -i endings give the girls' name a fresh, modern face.Low
Popularity in the U.S. Β· SSA data
U.S. births per year (Social Security Administration, 1880βpresent). Pink marker = peak year.
SSA data updated May 2026. How we source & verify this data.
History & Origin
Cydni is a respelling of Sydney, long a surname before it became a first name. Its roots are the Old English sid, 'wide', and eg, 'island', giving 'wide meadow-island', with an alternate route through the French Saint-Denis. As Sydney turned into a popular girls' name, spellings like Cydni multiplied.
It was a rare variant, cresting in the mid-nineteen-nineties and easing back after. A Cydni today is likely a young adult; the spelling is a modern flourish while Sydney remains a widely used name for girls and, historically, boys.
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Frequently Asked
What does the name Cydni mean?
Cydni is a respelling of Sydney, from the Old English for 'wide island' or the French Saint-Denis.
How do you pronounce Cydni?
It's said SID-nee /ΛsΙͺd.ni/ β two syllables, stress on the first.
Is Cydni a boy or girl name?
Cydni is used as a girl's name.
How popular is Cydni?
Cydni has always been rare, a modern respelling of the popular Sydney.