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"
"new settlement"
"house guardian"
"dark one"
"strong, firm, enduring"
"noble, bright"
"from the rocky hill, crag dweller"
"wealthy protector, guardian of prosperity"
"ascending, going upward"
"noble, powerful"
"skilled, expert, proficient"
"little king"
"little deer, fawn"
"ash tree clearing"
"descendant of fire, young warrior"
"ash tree town, settlement near ash trees"
"shining glory"
"God is gracious"
"muddy place, ditch"
"son of Hugh"
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.