Ira

Etymology 1
From a name, from a word meaning "watchful".

Proper noun

 * 1) A captain of King David, a minor figure in the Bible mentioned in 2 Samuel 20:26.
 * And Ira also the Jairite was a chief ruler about David.
 * , mostly of American usage.
 * , mostly of American usage.

Etymology 2
and diminutive of the cognates of Irene.

Etymology
Diminutive of, perhaps through.