Henson sits next to 5 phonetic neighbors — Henderson, Jensen, and Benson are the closest matches by sound. Most share Henson's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Henne (Henry)"
"desiring peace, will and peace"
"victory of the people"
"graced by God"
"white, fair-haired"
"invented, unique (no established meaning)"
"born on Sunday (in some traditions)"
"great tide"
"lotus flower"
"friends, allies"
"lotus flower, love"
"greatest"
"my help, my helper"
"from the rocky settlement"
"strong, powerful"
"greatest conqueror"
"man of prayer, full of goodness"
"lord, my lord"
"song; nightingale"
"from the ledge farm, shelf settlement"
Similar sound: These names share phonetic patterns with Henson — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Middle English patronymic origins, giving them the same cultural heritage as Henson.
Rhythm: Henson is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.