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Sundi
Pronounced SUN-dee /ˈsʌndi/Medium
Meaning: Sundi is a modern American girl's name read as a soft form of Sunday, the day-name, and as a cousin of Sandy and Cindy. Sunday comes from Old English Sunnandaeg, 'day of the sun,' so the name carries a sunny, warm feeling whichever route a family had in mind.Low
Popularity in the U.S. · SSA data
U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.
SSA data updated May 2026. How we source & verify this data.
History & Origin
Sundi is a modern American girl's name, most naturally read as a warm form of Sunday, from Old English Sunnandaeg, 'day of the sun,' and as a relative of Sandy and Cindy. It belongs to the mid-century fashion for cheerful, -i-ending names given straight as first names.
Sundi was always rare in the United States, given to only about twenty girls a year at its peak around 1977. A girl named Sundi then is in her late forties today, placing the name in a Generation X frame.
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Frequently Asked
What does the name Sundi mean?
It is a variant of Sunday or Sandy, from the Old English for 'day of the sun,' with a warm, sunny feel.
How do you pronounce Sundi?
It is said SUN-dee /ˈsʌndi/, two syllables with the stress on the first.
Is Sundi a boy or girl name?
Sundi is used as a girl's name.
How popular is Sundi?
It has always been rare in the United States, given to only about twenty girls a year even at its peak in the mid-nineteen-seventies.