Gods

Dagda- nicknamed "the father" or "the good". He is the father god of The Tuatha De Danann and has a cauldron named Undry, which never let anyone go hungry. The god of magic, good, fathers and earth.
Colors: Black, Green, Gold
Herbs: Yew (poisonous, never cut or burn), Agrimony, Angelica, Mistletoe (poisonous), Lavender, Garlic, Alfalfa, Holly (poisonous)
Trees: Rowan, Aspen
Properties: Reincarnation, Music, Magic, Healing

Aungus Og- God of love and youth. His name means, young son. He has four birds around him always that symbolize a lovers embrace. He always carries a sword named Moralltach.
Colors: Red, White, Pink
Herbs: Coltsfoot, Catnip, Chamomile, Chickweed, Mistletoe, Cowslip, Meadowsweet, Mallow, Lavender, Lady's Mantle, Hemp
Trees: Apple
Properties: Love, Youth, Beauty

Bel- God of fire and fertility. Also known as "the flame of life". He is worshiped during Bealtane.
Colors: Black, Red, Orange
Properties: Agriculture, Fire, Prosperity
Trees: Ash

Lugh- The sun god. He is worshiped during Lughnasadh. August is his sacred month and he carries a spear named Gaeassail.
Colors: Yellow, Gold
Herbs: Agrimony, Angelica
Trees: Rowan
Properties: Agriculture, Animals, Art, Music, The Sun
Animals: Ravens and Hounds
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Diancecht- God of healing and medicine. He is the healer for The Tuatha De Danann.
Colors: Purple, Green
Herbs: Dandelion, Chickweed, Woodsorrel, Angelica, Lemon Balm, Rue
Trees: Hazel, Elder (do not eat berries raw)
Properties: Healing, Medicine, Regeneration

Lir- God of the sea.
Colors: Black, Green, Yellow
Herbs: Cutweed, Burdock, Ragwort, Angelica, Mistletoe, Garlic
Trees: Ash, Hawthorn, Alder
Properties: Water, Sea Animals, Sea Storms
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Adammair- God of sex and stamina.
Colors: Red, Gold
Herbs: Nettle, Parsley, Liberty Cap (make sure it is not the toxic species), Holly, Garlic
Properties: Sex, Attraction, Sexual Stamina, Lust

Cernunnos- The horned god, I know him as Hu Gadarn or Unidos. He is not strictly an Irish God, he is known to all Cetlic people. God of fertility, forests, animals and the underworld. He is worshiped during Samhain (my family does not worship him during Bealtane). We celebrate the hunt on Samhain and associate Hu Gadarn with the hunt.
Colors: Green, Black, Brown
Herbs: Mistletoe, Yew (poisonous, never cut or burn)
Trees: Alder, Aspen, Hawthorn, Oak
Animals: Stag
Properties: The Hunt, Wild Things, Forest, Animals, Fertility, Underworld, Death
The two gods I personally admire most are; Ecne, God of Knowledge and Oghma, God of Eloquence and Writing (not listed).
Goddesses

Danu- the great mother goddess of all celtic gods and goddesses, as well as The Tuatha De Dannan. She is one who came before everything else. She is known for blessings, protection, abundance, rivers and the moon. Her children were the waters of eternity and known for light and order.
Colors: Silver, White
Herbs: Ground Ivy (large quantities are poisonous), Holly (berries are poisonous), Angelica, Alfalfa, Agrimony, Furze, Ragwort, Broom (poisonous, do not ingest), Irish Moss, Chickweed
Trees: Juniper, Ash
Properties: The Great Mother, Protection, Prosperity, Water, The Moon, Guidance, Blessings
Animals: Snake or Serpent (Ouroboros)

Airmid- Goddess of herbal healing. She knows the uses and properties of all herbs. She guards Slaine, the well of healing. It is said that fallen soldiers were brought to her well, dipped into the water and healed.
Colors: Green, Purple, Silver
Herbs: Hemp, Angelica, Lemon Balm, Blackberry, Cowslip, Garlic, Rue, Mugwort, Nettle, Flax (use only ripe seeds, immature seeds are poisonous), Fennel, Mistletoe (poisonous)
Trees: Elder (do not eat berries raw), Oak, Rowan, Ash
Properties: Herbal Healing

Cailleach Beara- “The Crone†Goddess of storms and sovereignty. She is ever-renewing and passes through many lifetimes going from old age to youth in a cyclic fashion. She is also the bringer of plagues, disease and death.
Colors: Black, White
Herbs: Broom (poisonous, do not ingest), Mallow
Trees: Alder, Yew (poisonous, never cut or burn), Aspen, Willow
Properties: Plague, Disease, Death, Storms, Sovereignty
Animals: Connra Bull

Morrigan- “The Great Queen†Goddess of war, chaos and fury. I know her as Mór RÃgan. She is able to change shape, and has been seen as; black crow, crone, wolf, eel. She appears to soldiers before they die.
Colors: Red, Black, Silver
Herbs: Mugwort, Mistletoe (poisonous), Borage
Trees: Yew (poisonous, never cut or burn), Willow, Rowan
Properties: War, Battle, Chaos, Fury, Death, Angry Passion
Animals: Black Crow

Aine- “The Spark of Life†Goddess of healing and protection. Aine is known as the spark of life that flows through your body. Mean Samhradh (midsummer) is sacred to Aine. She was raped and can be very vengeful, so she is great for a woman’s protection from a man. Aine is a great goddess for almost anything that has to do strictly with women.
Colors: Green, Blue, Red
Herbs: Angelica, Lemon Balm, Blackberry, Cowslip, Fennel, Flax (use only ripe seeds, immature seeds are poisonous), Garlic, Rue, Mugwort, Nettle, Mistletoe (poisonous), Agrimony, Broom (highly toxic, do not ingest), Holly (berries toxic)
Trees: Elder (do not eat berries raw), Oak, Hawthorn, Ash, Birch
Properties: Women’s Protection, Healing
Animals: Hounds

Brigit- “The Flame of Ireland†Goddess of poetry. She is a woman of poetry, poets worship her and she is able to heal with words alone. The household fire or hearth is sacred to Brigit. She is worshipped during Imbolc. Brigit was known for her flame red hair.
Colors: Red, Black, White, Yellow
Herbs: Dandelion, Hemp, Mugwort, Lavender, Holly (berries toxic), Catnip, Eyebright
Trees: Willow
Properties: Poetry, Healing Words, Divination
Animals: Lamb

Flidais- “Mistress of the Stags†Goddess of wild things and sexual passion. Flidais is ruler of wild animals and forest. She is seen in a chariot pulled by deer.
Colors: Red, Brown, Silver
Herbs: Mistletoe (poisonous), Garlic, Liberty Cap (make sure it is not a toxic species),Nettle
Trees: Hawthorn, Oak
Properties: Wild, Attraction, Lust, Sexual Stamina
Animals: Cow named Maol

Etain- “Of the Horses†Goddess of beauty, horses and fertility. There is a beautiful story of Etain and Midhir, called “The Wooing of Etainâ€.
Colors: Brown, Silver
Herbs: Flax (use only ripe seeds, immature seeds are poisonous), Catnip, Mistletoe (poisonous), Cowslip
Trees: Elder (do not eat berries raw), Oak, Hawthorn
Properties: Fertility, Beauty, Horses
Animals: Horses
The two goddesses I personally admire most are; Etain and Danu.
If anyone has pictures they would like to post, feel free to reply with your pictures.