Edson sits next to 5 phonetic neighbors — Edison, Addison, and Hudson are the closest matches by sound. Most share Edson's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Ed, son of the wealthy guardian"
"guiding spirit"
"modern blend name, ray of light"
"greatest stream (via Maxwell)"
"son of Kenneth / son of Coinneach"
"father of peace"
"supreme ruler"
"from the bailey (castle wall)"
"kingly, of the king"
"of the forest, woodland"
"red-haired, little redhead"
"dreamy obscurity"
"crew, team, group"
"from the steep place"
"young wolf"
"pointed mountain, hill"
"YHWH saves"
"falling, resolution"
"brave ruler, strong king"
"descendant of the fair one"
"from the burnt clearing"
Similar sound: These names share phonetic patterns with Edson — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English (patronymic) origins, giving them the same cultural heritage as Edson.
Rhythm: Edson is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.