Keagan sits next to 4 phonetic neighbors — Keegan, Regan, and Teagan are the closest matches by sound. Most share Keagan's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of the fiery one"
"shelter, protection"
"mountain, mountainous region"
"dear, beloved"
"place of lime trees"
"auspicious mythical creature"
"God has exalted (Jah + kai)"
"rim of a shield"
"jewel, gem"
"ruler of peace"
"God is gracious"
"estate dweller"
"victors garland"
"selected, chosen one"
"harp player, one who plays the harp"
"destined, determined"
"just, righteous, upright"
"deep gorge, ravine"
"new house"
"firm, unwavering"
"exalted brother"
Similar sound: These names share phonetic patterns with Keagan — 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 Keagan.
Rhythm: Keagan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.