Sampson sits next to 3 phonetic neighbors — Samson, Simpson, and Sammy are the closest matches by sound. Most share Sampson's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"sun child, bright sun"
"earth (via Gaia connection)"
"from Bryans land"
"thunder of God"
"powerful giant, cosmic force"
"grey land, from the grey lands"
"yellow, slender"
"harmony, one"
"repose, peace"
"victory of the people"
"radiant, brilliant"
"battle, round barrel"
"harmonious regularity"
"lord, my lord"
"defender of men"
"son of Talmai, son of the furrows"
"son of the right hand"
"consecrated, dedicated to God"
"cloud"
"deliverer, savior"
Similar sound: These names share phonetic patterns with Sampson — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Sampson.
Rhythm: Sampson is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.