Irelia sits next to 4 phonetic neighbors — Aurelia, Amelia, and Ophelia are the closest matches by sound. Most share Irelia's Fictional / League of Legends-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"blade dancer, will of the blades"
"gracious gift"
"account; record of events"
"praised"
"who is like God?"
"strength, force"
"most beautiful, fairest"
"sunshine, bright and cheerful"
"dwelling by the meadow valley"
"descendant of the lord"
"ewe, lamb"
"beautiful, lovely"
"one who combs wool or flax"
"invented name, possibly meaning noble or grace"
"ray of light, dawn (implied by suffix)"
"God has heard"
"new beginning"
"power, work, vigor"
Similar sound: These names share phonetic patterns with Irelia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Fictional / League of Legends origins, giving them the same cultural heritage as Irelia.
Rhythm: Irelia is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.