Robinson sits next to 5 phonetic neighbors — Robson, Robertson, and Robison are the closest matches by sound. Most share Robinson's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Robin, son of Robert"
"from the rippling water"
"yellow, slender"
"beloved, darling"
"of Mars, warlike"
"sun child, bright sun"
"lapis lazuli (the stone)"
"from the city of Troy"
"divine door (from Kobe, Japan)"
"God is the Lord"
"son of Ben"
"destroyer of enemies, world peace"
"to set, to place, to establish"
"high place, island"
"of the highest power or authority"
"king"
"ruler of the people"
"God is gracious"
"of the night"
"king, royal"
"bearer of Christ, Christ-carrier"
Similar sound: These names share phonetic patterns with Robinson — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have English origins, giving them the same cultural heritage as Robinson.
Rhythm: Robinson is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.