Hagan sits next to 3 phonetic neighbors — Logan, Keegan, and Reagan are the closest matches by sound. Most share Hagan's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"descendant of fire, young warrior"
"safe haven, shelter, refuge"
"rocky settlement"
"sword"
"Yahweh has shown favor"
"king's settlement"
"anointed one"
"absence of conflict, wholeness"
"to set, to place, to establish"
"joyful, jovial (from the same root)"
"healer, to heal"
"elf's stone, ancient stone"
"musical, expressing personal emotion through song"
"God is gracious"
"gift of God"
"white, fair-complexioned"
"little fire"
"dweller at the edge of town"
"mighty hound, great wolf"
"from the rye meadow"
Similar sound: These names share phonetic patterns with Hagan — 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 Hagan.
Rhythm: Hagan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.