Namesakes
Characters in Celtic Mythology:
3 characters
Óengus Olmucaid (a.k.a. Aengus) (m) 
Óengus Ollom (a.k.a. Aengus) (m)
Óengus Tuirmech Temrach (a.k.a. Aengus) (m)
Irish Kings:
3 kings
King Óengus Olmucaid (a.k.a. Aengus) 1050-1032 BC
King Óengus Ollom (a.k.a. Aengus) 355-337 BC
King Óengus Tuirmech Temrach (a.k.a. Aengus) 262-232 BC
Saints:
1 saint
Saint Óengus of Tallaght (a.k.a. Aengus) ?-824