Meaning:
Its source is Ednah, a Hebrew name meaning "Renewer."
Popularity:
The name Ena ranked 1673rd in popularity for females of all ages in a sample of the 1990 US Census.
Though this name appears on the 1990 U.S. Census lists, it is used by only a small percentage of the general population.
Narrative:
This may be a convergent form, also derived from the Gaelic name Eithne, meaning ''kernel.''