Ellery sits next to 4 phonetic neighbors — Elery, Hillary, and Elliot are the closest matches by sound. Most share Ellery's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"elder tree island"
"ancestor's descendant (alternative etymology)"
"descendant, child of"
"one who delivers goods, agent"
"maple tree"
"God appears (Theo-phania)"
"wished for child"
"victory of the people"
"conquering, victorious"
"God is willing"
"heel, ankle"
"people's power"
"Roman clan name Horatius (origin uncertain)"
"sea friend"
"gentle, beloved, kind"
"bear strength"
"fortunate king"
"man from South Munster (southern Ireland)"
"brewer, one who brews"
"dweller by the red river crossing"
"woodland settlement"
Similar sound: These names share phonetic patterns with Ellery — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Ellery.
Rhythm: Ellery is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.