Carson sits next to 3 phonetic neighbors — Carsyn, Mason, and Larson are the closest matches by sound. Most share Carson's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Carr, marsh dweller's son"
"herb of grace, regret"
"prophetess, seer"
"beloved lake"
"endurance, patient suffering"
"noble father's daughter"
"joyful hill (from Wynn + hlaw)"
"gift, kingly"
"entirely beautiful"
"night rain (poetic)"
"wished-for child"
"shining, bright"
"harmful spirits, demons"
"sacred scripture"
"sacred shrine, palace"
"youth, vitality"
"from the king's woodland"
"beloved, calm"
"beautiful"
"faithfulness, devotion, allegiance"
"fate, destiny shaped by one's actions"
Similar sound: These names share phonetic patterns with Carson — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish origins, giving them the same cultural heritage as Carson.
Rhythm: Carson is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.