Kelby sits next to 4 phonetic neighbors — Kirby, Kelsey, and Colby are the closest matches by sound. Most share Kelby's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Settlement near the well"
"blessed, happy"
"man from the Adriatic"
"blessed"
"little branch, tender bough"
"mountain village; reason of the mountains (Japanese interpretation)"
"growth and abundance (via Zaid root)"
"variant of John"
"heart"
"fruitful, productive"
"hope, aspiration"
"from the east, east settlement"
"remembered by the Lord"
"guardian of riches"
"all-wise"
"thankful, God has heard"
"very blue, sapphire"
"God is my strength, helped by God"
"to tame (via Damian root)"
"light, splendor, radiance"
"God is gracious (from Sean element)"
Similar sound: These names share phonetic patterns with Kelby — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse origins, giving them the same cultural heritage as Kelby.
Rhythm: Kelby is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.