Egan sits next to 5 phonetic neighbors — Eagan, Logan, and Reagan are the closest matches by sound. Most share Egan's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"little fire"
"from the rocky hill, crag dweller"
"descendant of Ógán"
"hospitable"
"permanent, perennial"
"victory of the people"
"noble, powerful"
"spear, warrior"
"Yahweh is gracious"
"deer meadow"
"wealthy protector, guardian of prosperity"
"son of Dennis"
"house guardian"
"oak grove"
"one who is a lord or master"
"little king, of royal descent"
"powerful, mighty"
Similar sound: These names share phonetic patterns with Egan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish Gaelic origins, giving them the same cultural heritage as Egan.
Rhythm: Egan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.