Jocelynn sits next to 4 phonetic neighbors — Jocelyn, Joselyn, and Jacelyn are the closest matches by sound. Most share Jocelynn's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"one of the Goths, a Goth's descendant"
"son of Madoc, fortunate"
"bitter grace (combined etymology)"
"little rose, dear rose"
"From the coast"
"grace, favor"
"short nose (Latin nickname origin)"
"modern invented name; possibly shining, bright"
"bright-headed, strife"
"the desired one"
"beautiful to behold"
"Royal meadow clearing"
"joyful, filled with happiness"
"exalted, ascendant"
"state of dreamy meditation"
"door, pathway"
"Scot + lake/waterfall"
"the happy one"
"starry, relating to stars"
"strength, power"
Similar sound: These names share phonetic patterns with Jocelynn — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic Gautzelin origins, giving them the same cultural heritage as Jocelynn.
Rhythm: Jocelynn is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.