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"
"crooked hill; bent (cam) nose (sron)"
"from the hazel tree settlement"
"pledged, devoted"
"elder, one of authority"
"rejoice, delight"
"variant of Javion (possibly from Xavier — savior)"
"valley of the hares"
"descendant of Jenkin"
"noble and peaceful"
"rocky cliff, crag"
"descendant of Cinneide"
"marsh dweller"
"farmer, estate steward"
"God is gracious"
"brave power"
"famous ruler"
"settlement by the sea"
"unique, strong"
"woodland clearing used for hunting"
"creative modern variant of Ashton/Cashton"
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.