Claydon sits next to 3 phonetic neighbors — Clayton, Caden, and Haydon are the closest matches by sound. Most share Claydon's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"clay hill settlement"
"of noble kind"
"Possibly lion (from Levon/Leon) or a modern creative invention"
"fortunate, successful"
"brave lion, lion-strong"
"counsel meadow"
"fate, destiny, one's allotted share"
"of nobility, from the lineage"
"village at the ford; river-crossing settlement"
"rounded hill, trunk-shaped land"
"son of William"
"one who listens intently, listener"
Similar sound: These names share phonetic patterns with Claydon — 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 Claydon.
Rhythm: Claydon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.