Curran sits next to 5 phonetic neighbors — Kieran, Curren, and Warren are the closest matches by sound. Most share Curran's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"spear bearer, warrior"
"bright, shining warrior"
"mild, merciful"
"noble friend"
"admirable, worthy of praise"
"gray color"
"bright; swift"
"variant of Denver (place name)"
"Modern invented name; energetic and bold spirit"
"descendant of Bibb, a pet form of Isabel"
"son of the monk, son of the devoted one"
"Long meadow or clearing in the woods"
"thorn, prickly plant"
"new house, new home"
"Of the forest; made of wood"
Similar sound: These names share phonetic patterns with Curran — 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 Curran.
Rhythm: Curran is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.