Jessalyn sits next to 5 phonetic neighbors — Jessica, Josselyn, and Roselyn are the closest matches by sound. Most share Jessalyn's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God beholds"
"beautiful, graceful"
"torch of light"
"angel, divine messenger"
"fifth (from Latin Quintus)"
"Friend; beloved companion (from amica)"
"living, alive, thriving"
"diminutive of Elizabeth"
"graceful, favored (from Ana/Hannah)"
"skilled with the bow"
"one who enchants or charms"
"rose festival"
"rose of Mary"
"born on Monday (Hausa day-name)"
"sun, powerful one"
"divine, golden"
"kiyari (traditional work chant)"
"beloved, star of the sea (Mary) + famous warrior (Lou)"
"cheerful, merry"
"anointed one"
"gentle horse, pretty one"
Similar sound: These names share phonetic patterns with Jessalyn — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew (via Jessica) origins, giving them the same cultural heritage as Jessalyn.
Rhythm: Jessalyn is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.