Taelyn sits next to 5 phonetic neighbors — Taylen, Taylin, and Talon are the closest matches by sound. Most share Taelyn's American English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"modern invented name; possibly 'tailor' + '-lyn'"
"poetic dream vision"
"beautiful, pretty"
"harmony, fair one"
"sea dragon, small"
"from the forest, woodland"
"god, divine spirit"
"God is gracious"
"little king, royal one"
"truthful, honorable"
"from Laurentum, laurel place"
"sky blossom (modern creation)"
"heavenly path, sky fragrance"
"Woden's day"
"breath of life"
"variant of Diana, valley"
"one's fated path or purpose"
"noble strength (alternate etymology)"
"linden tree valley"
"brave, vigorous"
Similar sound: These names share phonetic patterns with Taelyn — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have American English origins, giving them the same cultural heritage as Taelyn.
Rhythm: Taelyn is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.