Hydeia comes from the Modern American tradition, meaning Unknown or mysterious existence..
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How popular is Hydeia?
1996peak year
Today, Hydeia has effectively disappeared from U.S. birth records. But it wasn't always this way. At its peak in 1996, 72 babies were given the name (ranked #1969 nationally). Its strongest stretch was the 1990s. In all, around 214 babies have been registered as Hydeia since 1880.
Year-by-year registrations1880–2024 · U.S. Social Security data
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