Virgil sits next to 4 phonetic neighbors — Vergil, Birch, and Russell are the closest matches by sound. Most share Virgil's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"staff bearer, wand wielder"
"people's power"
"mill town, settlement by the mill"
"cypress tree"
"of God, heavenly"
"from Radley (red clearing)"
"born of fire (head of fire)"
"brother, kin"
"beauty, ornament"
"victory of the people"
"fortress, walled Roman camp"
"wooded land"
"east settlement, eastern village"
"the Nubian, the southerner"
"the Persian"
"blind"
"king, ruler"
"greatest stream (via Maxwell)"
"a large inland body of water"
"God is my strength, God will strengthen"
Similar sound: These names share phonetic patterns with Virgil — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin (virga, staff/rod) origins, giving them the same cultural heritage as Virgil.
Rhythm: Virgil is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.