Aidônaia (Lady of the Underworld)
Antania (Enemy of Mankind)
Anassa eneroi (Queen of those Below)
Angelos (Messenger)
Antaia (the One in Front)
Atalos (Tender, Delicate)
Brimo (Angry One)
Dadophoros (Torch bearer)
Despoina (Lady)
Enodia (of the Roads)
Epiphanestate Thea (Most Manifest Goddess)
Khthonia (Underworld)
Kleidouchos (Keeper of the Keys)
Kleidophoros (Key Bearer)
Koure mounogenes (Only Begotten Maiden)
Krataiis (Strong One)
Kurotrophos (Protector of Children)
Liparokrêdemnos (Bright-coiffed, With Bright Headband)
Megiste (Greatest)
Monogenes (Only Child)
Nyktipolos (Night Wandering)
Nyktipolos Khthonie (Night Wanderer of the Underworld)
Perseis (Destroyer; Daughter of Perses)
Phosphoros (the light-bringer)
Propolos (Guide)
Propylaia (the Guardian)
Skylakagetis (Leader of the Dogs)
Soteira (Saviour)
Trevia (of Three Ways)
Tricephalus (The Three-Headed)
Trioditis (Of the Crossroads)
Trimorphis (Three Formed, Three Bodied)
Zerynthia (Of Mt Zerynthia)
English Epithets
Divine Friend of Dogs
Divine Three-Formed
Goddess of Earthly Ghosts
Golden Shining Attendant of Aphrodite
Holy Daughter of Great Bosomed Nyx
in Saffron Veil Arrayed
Leader
Minister and Companion to Persephone
Queen of the Night
Unconquerable Queen
Temple
Hekatêsion (Temple of Hekate)
Festivals
Noumenia (First of the Lunar Month)
Hekate’s Deipnon (Last of the Lunar Month)
Festival of Hekate Kourotrophos (16 of Metageitnion/August-September)
Sources
Parke, H. W. Festivals of the Athenians. London: Thames and Hudson, 1977. page 180
Fiercely Bright One 
Thank you so much for this wonderfully detailed list on Hecate/ Hekate!