Jones sits next to 3 phonetic neighbors — Jonas, Johns, and Bones are the closest matches by sound. Most share Jones's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of John"
"generous, noble, honorable"
"son of John (via Jack)"
"woodland"
"nobleman, duke"
"son of the wealthy guardian"
"in him there is strength"
"eagle"
"dealer in provisions and supplies"
"chief desire"
"the brown one"
"joy, happiness"
"coined celebrity name"
"dark-complexioned son"
"river, great water (from Zaire)"
"son of James"
"father of light"
"son of the red-haired one"
"modern invented name, energetic spirit"
"untamed, wild-natured"
"open grassy land"
Similar sound: These names share phonetic patterns with Jones — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Welsh origins, giving them the same cultural heritage as Jones.
Rhythm: Jones is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.