Ifrit: Lord of the Inferno
Titan: Lord of Crags
Garuda: Lady of the Vortex
Leviathan: Lord of the Whorl
Ramuh: Lord of Levin
Shiva: Lady of Frost
Ravana: Lord of the Hive
Bismarck: Lord of the Mists

Bahamut: The Dreadwyrm
Odin: The Dark Divinity

The rest don't have known titles, at least none I'm aware of.