Everything Under the Moon

Imbolc:
Aradia (Italian), Aenghus Og (Celtic), Aphrodite (Greek), Bast/Bastet (Egyptian), Ceres (Roman), Cerridwen (Celtic), Eros (Greek), Faunus (Roman), Gaia (Greek), Hestia (Greek), Pan (Greek), Venus (Roman), Vesta (Roman)

Ostara:
Asasa Ya (Ashanti), Cybele (Roman), Eostre (Western Germanic), Flora (Roman), Freya (Norse), Osirus (Egyptian), Saraswiti (Hindu)

Beltane:
Artemis (Greek), Bes (Egyptian), Beset (Egyptian), Bacchus (Roman), Flora (Roman), Hera (Greek), Kokopelli (Hopi), Pan (Greek), Hiapus (Greek), Shiel-na-Gig (Celtic), Xochiquetzal (Aztec)

Litha:
Amateratsu (Shinto), Aten (Egyptian), Apollo (Greek), Hestia (Greek), Horus (Egyptian), Huitzilopochtli (Aztec), Juno (Roman), Lugh (Celtic), Sulis Minerva (Celtic, Roman), Sunna/Sol (Germanic)

Lammas:
Adonis (Assyrian), Attis (phrygean), Ceres (Roman), Dagan (Semitic), Demeter (Greek), Lugh (Celtic), Mercury (Roman), Neper (Egyptian), Parvati (Hindu), Pomona (Roman), Tammuz (Sumerian)

Mabon:
Dionysus (Greek), Bacchus (Roman), Herne (Celtic), Cernnunos (Celtic)

Samhain:
Anubis (Egyptian), Demeter (Greek), Freya (Norse), Meng Pa (Chinese), Morrighan (Celtic), Osiris (Egyptian), Whiro (Maori), Yama (Hindu)

Yule:
Aleyone (Greek), Ameratsu (Japan), Baldur (Norse), Bona Dea (Roman), Cailleach Bheur (Celtic), Demeter (Greek), Dionysus (Greek), Frau Holle (Norse), Frigga (Norse), Holly King (British/Celtic), Horus (Egyptian), La Befona (Italian), Lord of Misrule (British), Mithras (Roman), Odin (Norse), Saturn (Roman), Spider Woman (Hopi)

You should add Mabon (Welsh Celtic) and his mother, Modron (Welsh Celtic) to Mabon correspondences

Thank you for the awesome list!
http://en.wikipedia.org/wiki/Modron

Thank you for adding to my list, Ravencry. My Mabon section is a bit bare compared to the other sabbats. While I haven't heard of these 2 deities, I'll keep them in mind for my future research.

Bright blessings,
Echo_of_shadows