Jersen sits next to 4 phonetic neighbors — Jensen, Jerson, and Jaxon are the closest matches by sound. Most share Jersen's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Jens (son of John)"
"invented or unknown"
"possessing goodness; gift"
"from Hadria (a Roman city)"
"aspiration, desire, ideal"
"joy, jubilation"
"chief, lord"
"breeze, air current"
"servant of Saint John"
"strength, permanence"
"He enlightens, God illuminates"
"arhat, enlightened Buddhist monk"
"strong lord"
"cup, goblet"
"placeholder birth name turned given name"
"good man"
"Yahweh remembers"
"from Saint-Denis"
"wild boar hunter"
"three, third"
"desert world (fictional)"
Similar sound: These names share phonetic patterns with Jersen — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scandinavian origins, giving them the same cultural heritage as Jersen.
Rhythm: Jersen is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.