Eileena is a very rare variant of Eileen that peaked in 1999 and has since faded.
Eileena is a girl name. In 2025 it ranked #15,552 for girl births in the United States (and #25,825 across all names), given to 5 babies. Eileena was first reported in SSA data in 1982 and peaked in 1999 (7 births).
Girls named Eileena per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 1982–2025 · U.S.+territories from SSA territory files (1998–2025) · SSA publishes a name only in years it was given to at least 5 babies, so a name may have been in use before — or between — the years shown here