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"
"king, ruler"
"marshy land by a lake"
"crooked hill"
"place of elms"
"strong as an eagle"
"protector of the people"
"sun, sunshine"
"fleet of ships"
"peaceful, tranquil"
"descendant of Cinneide"
"supplanter"
"ruler of peace"
"son of the bright pledge"
"reputation, esteem"
"valley of the hares"
"defender of the army"
"God has remembered"
"bold, fearless one"
"summit, top"
"forest guardian, one who patrols"
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.