Eily sits next to 4 phonetic neighbors — Eileen, Elly, and Ailey are the closest matches by sound. Most share Eily's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"shining light, bright one"
"beautiful"
"tribute to Alvin Ailey, dance pioneer"
"land of the Norsemen"
"ship island"
"crooked nose, winding river bend"
"pure, holy (glan) + good (da)"
"Ireland, from Eire"
"modern invention with Celtic aesthetic"
"honor, esteem"
"helmeted chief"
"slender, fair"
"blind, sixth (via Cecilia)"
"battle mighty, warrior"
"sea of bitterness + rose (alternative Mary etymology)"
"pure"
"gift of God"
"descendant of Raghallach"
"graceful, beautiful"
"dearly loved one"
"dear rose"
Similar sound: These names share phonetic patterns with Eily — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish Gaelic origins, giving them the same cultural heritage as Eily.
Rhythm: Eily is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.