Idia is a very rare variant of Ida that peaked in 1916 and has grown less common since.
Idia is a girl name. In 2025 it ranked #13,850 for girl births in the United States (and #23,054 across all names), given to 6 babies. Idia first appears in 1916 and peaked in 1916 (7 births).
Girls named Idia per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 1916–2025 · U.S.+territories from SSA territory files (1998–2025)