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'"
"grace and settlement"
"strong, manly (feminine adaptation)"
"rival, industrious"
"grace and beloved"
"flowing water, to drip or trickle"
"beloved, wished-for child"
"nickname of affection for G-names"
"pearl"
"brave ruler, powerful"
"free spirit (modern connotation)"
"grace, favor from God"
"little one who is loved"
"vision, flag"
"foreign woman (as variant of Barbara)"
"descendant of Colin, son of the young one"
"Tinsley's field or meadow"
"invented name, meaning given by parents"
"short form of Katarina"
"son of Emery, powerful ruler"
"truthful, honorable"
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.