From the island of Saint-Denis
Cydnee is a modern creative spelling of Sidney. It originates from a French surname derived from the place name Saint-Denis, which eventually transitioned into a popular English given name.
Less common today
Cydnee isn't in the latest US Top 1000. It last peaked at #2,529 in 1997.
US births per 5-year period, 1990βpresent (SSA data).
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