Jarvis sits next to 3 phonetic neighbors — Jarvis, Travis, and Gavin are the closest matches by sound. Most share Jarvis's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"spear servant"
"friend"
"little dark one (from Latin niger)"
"righteous, just"
"liberator of men; freer of man"
"God is my strength"
"defender of the people"
"renowned in battle"
"from the brae (hillside) + lin (pool)"
"lord, master"
"slender, narrow"
"royal settlement, king's town"
"God-given, gift of God (Jah element)"
"high, exalted"
"river in Peru"
"wanderer"
"strength, powerful one"
"son of Elijah"
"variant of Garrett/Gerald"
"new house, bright place"
"son of Hays, hedged area"
Similar sound: These names share phonetic patterns with Jarvis — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Germanic via Old French origins, giving them the same cultural heritage as Jarvis.
Rhythm: Jarvis is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.