Gibson sits next to 4 phonetic neighbors — Gideon, Winston, and Hudson are the closest matches by sound. Most share Gibson's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Gilbert, son of Gib"
"from Airelle (a place in Normandy, France)"
"God heals"
"settlement by the pool"
"guardian of riches"
"peaceful ruler"
"continuous improvement (kaizen-inspired)"
"fleet of ships"
"steps over a fence or wall"
"son of Otto, helpful"
"people of gentle birth"
"ruler of supernatural beings"
"bent grass clearing, meadow"
"tumult, noise"
"invented name, possibly faithful or gentle"
"to pull, from Norman surname Tirel"
"from the angel clan"
"courage, bravery"
"people's champion, victorious one"
"deep gorge, ravine"
"from the place of wide waters"
Similar sound: These names share phonetic patterns with Gibson — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have English origins, giving them the same cultural heritage as Gibson.
Rhythm: Gibson is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.