Eason sits next to 4 phonetic neighbors — Jason, Easton, and Mason are the closest matches by sound. Most share Eason's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Adam"
"linden tree, lime tree"
"set apart, destined"
"strong as an eagle"
"peaceful ruler"
"hollow land (alternative)"
"God is my rock"
"quiet, calm, reserved"
"courage, bravery"
"from the town, settlement"
"little fire"
"to heal (if derived from Jason)"
"peaceful, tranquil"
"of God, God's own"
"crooked nose; bent river"
"swift projectile, arrow"
"son of Hans/John"
"protector of the people"
"destined, determined"
"from the Isle of Tiree, land of corn"
"a large inland body of water"
Similar sound: These names share phonetic patterns with Eason — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish/Scottish origins, giving them the same cultural heritage as Eason.
Rhythm: Eason is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.