Elbin sits next to 3 phonetic neighbors — Albin, Elvin, and Elton are the closest matches by sound. Most share Elbin's Germanic cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Bright; variant of Albin meaning white or bright"
"ruler of the people"
"younger son, junior member"
"invented by Jonathan Swift from Esther Vanhomrigh (Van + Essa); no ..."
"dweller in the town"
"Ford, river crossing"
Similar sound: These names share phonetic patterns with Elbin — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic/Latin origins, giving them the same cultural heritage as Elbin.
Rhythm: Elbin is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.