Ellis sits next to 4 phonetic neighbors — Alice, Alexis, and Elis are the closest matches by sound. Most share Ellis's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"my God is Yahweh"
"little Laura"
"island of goats"
"unique one"
"mill worker, grinder"
"desire, wish"
"noble clearing"
"sweet singer"
"of the sun"
"myrrh, fragrant resin"
"she who brings happiness"
"star, celestial body"
"who is like God?"
"new star meadow"
"noble, nobility"
"gift, grace"
"sun goddess"
"fiery, ardent"
"transporter of goods by cart"
"compassion, forgiveness, grace"
"candle maker, candle merchant"
Similar sound: These names share phonetic patterns with Ellis — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Welsh origins, giving them the same cultural heritage as Ellis.
Rhythm: Ellis is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.