Buckley sits next to 3 phonetic neighbors — Barkley, Brinkley, and Bradley are the closest matches by sound. Most share Buckley's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"buck's meadow, deer clearing"
"large homestead"
"my strength is Yahweh"
"son of Bray (from Celtic bray: brave)"
"oak meadow, clearing in the oaks"
"firebrand, burning torch"
"perfect knowledge, complete wisdom"
"God is gracious (via Eoin/John)"
"promised land, holy city"
"airplane, aircraft"
"invented blend of Bray and Lynn"
"kingly, of the king"
"son of Madoc, fortunate"
"descendant of Grey"
"elder, respected one"
"anglicization of Welsh Llwyd"
"son of Jet, swift one"
"of Mars, warrior"
"joined, attached"
"bright homestead, bright town"
"settlement by the ash trees"
Similar sound: These names share phonetic patterns with Buckley — 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 Buckley.
Rhythm: Buckley is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.