Calihan sits next to 3 phonetic neighbors — Callahan, Callan, and Calhoun are the closest matches by sound. Most share Calihan's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lover of churches, bright-headed"
"variant spelling of Dylan"
"invented name, possibly from Tariq (morning star)"
"who is like God? (Michael, from Hebrew Mikha'el)"
"modern invented name"
"spear ruler, powerful warrior"
"modern phonetic respelling of Caden/Caiden"
"morally right, virtuous, just"
"Italian form of Henry"
"white settlement, white farm"
"born of laughter, joy"
"God has helped, helped by God"
"swift flier, visionary (symbolic meaning)"
"the great beast, tiger"
"gift of God"
"pure strength"
"broad meadow, wide clearing"
"jaybird, joyful"
"solid, strong foundation"
"he gave"
Similar sound: These names share phonetic patterns with Calihan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish Gaelic ceallach (church) origins, giving them the same cultural heritage as Calihan.
Rhythm: Calihan is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.