Perry sits next to 3 phonetic neighbors — Terry, Jerry, and Kerry are the closest matches by sound. Most share Perry's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"pear tree"
"a musical lament (the linos song)"
"one who works with books"
"ruler of the people"
"at the holly trees"
"salmon"
"craftsman of fermented beverages"
"narrow strait"
"loud revelry"
"born of fire (head of fire)"
"grace, beauty, ornament"
"river (from Celtic afon)"
"related to Thor (thunder)"
"God is gracious (if related to John)"
"God knows"
"James reversed — an ananym honoring the name James"
"helpful one"
"growth, abundance, increase"
"immortal, not mortal"
"peninsula, point of land"
"small sheltered coastal bay"
Similar sound: These names share phonetic patterns with Perry — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English pirige origins, giving them the same cultural heritage as Perry.
Rhythm: Perry is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.