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)"
"hill covered with broom, steep hill"
"things to be read/remembered"
"son of Flann (red-haired one)"
"beautiful and good"
"child of the sea and wave"
"from the wooded hollow"
"servant, messenger"
"from the village of Estry in Normandy, France"
"greatest conqueror"
"great, venerable, magnificent"
"volcanic black glass"
"helped by God, whom God helps"
"God is gracious"
"of Zeus, belonging to Zeus"
"modern invention with Arabic suffix influence"
"American variant of Dante"
"modern American invented name"
"modern American creation blending Terrence with melodic -ion suffix"
"supplanter, one who follows at the heel"
"gift from God"
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.