What does Aithne mean?
Aithne /ai-th-ne/ [2 sylls.] as a girls' name is of Gaelic origin, and the meaning of Aithne is "fire". Feminine of Aidan.
How popular is Aithne?
Aithne is an unusual given name for women. Aithne is an equivalently unusual surname too for both adults and children. (2000 U.S. Census)
Aine is the only prominent varying form of Aithne (outside Top 1000). These names are scarcely used for girls. Displayed below is an analysis of the popularity of Aithne and corresponding names. (Top 1000 Baby Names Statistics, 2014)