Namesakes
Characters in Celtic Mythology:
2 characters
Crimthann Coscrach (a.k.a. Criomhthann) (m) 
Crimthann Nia Náir (a.k.a. Criomhthann) (m)
Irish Kings:
3 kings
King Crimthann Coscrach (a.k.a. Criomhthann) 191-184 BC
King Crimthann Nia Náir (a.k.a. Criomhthann) 12 BC-5
King Crimthann Mór (a.k.a. Criomhthann) 351-368