Ellsworth sits next to 5 phonetic neighbors — Ellsworth, Ellsworth, and Elsworth are the closest matches by sound. Most share Ellsworth's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"noble estate"
"one who follows"
"goat (Greek mythology - Aegeon)"
"boar strength, hardy"
"from the valley"
"an extremely large, uncountable number; boundless"
"the direction of the rising sun"
"near the barns, barn keeper"
"wealthy, possessing good"
"dark foreigner; dark stranger"
"old river; slow-flowing water"
"skilled artisan"
Similar sound: These names share phonetic patterns with Ellsworth — 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 Ellsworth.
Rhythm: Ellsworth is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.