Jersey sits next to 3 phonetic neighbors — Jesse, Jerome, and Jericho are the closest matches by sound. Most share Jersey's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Geirrapos island, grassy island"
"God has given"
"he laughs, he will laugh"
"eagle land"
"the Lord saves"
"enlightened, strong"
"western meadow, western clearing"
"the color blue, sky and sea"
"worthy, powerful"
"settlement on the ridge, hilltop estate"
"ridge of rock or coral beneath the sea"
"tumult, riot"
"modern American invented name"
"invented by Sir Walter Scott, based on Old English Cerdic"
"of the sea (via Marius)"
"Yahweh remembers"
"beloved, darling"
"archer, bow-wielder"
"champion"
"God prevails"
"friend of warriors"
Similar sound: These names share phonetic patterns with Jersey — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse origins, giving them the same cultural heritage as Jersey.
Rhythm: Jersey is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.