Henley sits next to 3 phonetic neighbors — Bentley, Hadley, and Finley are the closest matches by sound. Most share Henley's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from the high woodland clearing"
"marshy land by a lake"
"strong and kingly"
"the fifth"
"held by the heel"
"dear, beloved"
"flowing down, descend"
"industrious, striving"
"courageous, valiant"
"highest point, peak"
"resolute fame, desired renown"
"black, dark-haired"
"son of Ellis"
"tempest, violent storm"
"man of prayer"
"rowan tree"
"servant, worshipper of God"
"guiding spirit"
"large homestead"
"strength of God, God is my light"
"God is gracious and humble"
Similar sound: These names share phonetic patterns with Henley — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Henley.
Rhythm: Henley is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.