Dixon sits next to 4 phonetic neighbors — Nixon, Dickson, and Jackson are the closest matches by sound. Most share Dixon's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Dick, son of Richard"
"one who sails, mariner"
"friend to everyone, ally to all"
"prince, king"
"remnants of a lake, driftwood"
"precious, supremely valuable"
"wise one (from Sionann mythology)"
"of the mountains, mountain dweller"
"of Jove (Jupiter), sky father"
"modern American creation, variant of Jayden"
"departure, going out"
"supplanter (through Jay from Jason/James)"
"son of Tay"
"powerful ruler"
"Geirrapos island, grassy island"
"land of Eoghan (Owen)"
"place by a waterway lock"
"modern coined name, Z + sound"
"one who works with ropes and rigging"
"oak trees, oak grove"
Similar sound: These names share phonetic patterns with Dixon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Middle English origins, giving them the same cultural heritage as Dixon.
Rhythm: Dixon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.