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'"
"God will increase, God will add"
"island of Kell, Kell's island"
"noble, exalted"
"close to God, beloved"
"of great value, beloved, cherished"
"from Tara, Hill of Tara"
"truthful, honorable"
"free-flowing"
"linden tree valley"
"ray of light combined with tender Lin"
"warlike, brave"
"creative American coinage with loving sound"
"wealthy guardian"
"feminine form of Charles"
"pure, unblemished"
"royal adornment"
"beautiful to behold"
"combination of Mary and Lena"
"combination of Avery and Everly"
"god, divine spirit"
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.