Eirlys sits next to 3 phonetic neighbors — Iris, Eirly, and Aisling are the closest matches by sound. Most share Eirlys's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"snowdrop flower"
"warrior spirit, strength and resistance"
"beautiful, all"
"one who removes sin and sorrow; a name of Vishnu"
"one who stays in the mosque for worship"
"Alive, living, prosperous; variant of Aisha"
"from the Claudian family"
"elf warrior, elf battle"
"Bright; clear; famous"
"woman from Lydia"
"noble riches"
"God has favored me"
"island, isle dweller"
"heavenly, of the sky or cosmos"
"from the Canary Islands"
"beautiful, precious one"
"vintage, growth (as in wine)"
"ink painting, ink picture"
Similar sound: These names share phonetic patterns with Eirlys — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Welsh origins, giving them the same cultural heritage as Eirlys.
Rhythm: Eirlys is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.