HAPPY HALLOWEEN! BLESSED SAMHAIN
Ascribing to Celtic catlore, a faery cat is called ‘Cait Sidhe,’ In Scotland it’s termed Cait Sith. is a spectral cat known to spook the Scottish highlanders.
Cait Sidhe guards entrance into the netherworld including its’ fortune. It’s similar to a large black cat sporting a white patch on its chest and some say it is a relative to the Kellas cat in Scotland. Some catlore superstition sites Cat Sith wasn’t a faery but a shape-shifting witch that morphed into a Cat Sith nine times if needed

Popular author Deborah MacGillvary mentions that Scottish highlanders, were considered misfortunate if a feline to pad over a cadaver terrified Cait Sidhe would snatch the spirit before their deities carried it off to the netherworld. The Celts believed in ‘Fell Fadalach,’means Late wake wherein one’s spirit hovered close to its dead body so they had to keep watch up to the funeral.
During Samhain (ancient Celts Halloween) they would leave a saucer filled with milk on the front step for Cait Sith that way if it came near to ones home it would bless or curse the household depending on the gift of milk or not. If one forgot to leave the saucer of milk out Cait Sidhe would curse their livestock.
An Illustration from More English Fairy Tales from the story "The King of the Cats". via Wikipedia

Source & Reference:
- MacGillivray, Deborah. "The Cait Sidhe". Archived from the original
- Skye Alexander The Myths Legend & Lore https://www.amazon.com/Fairies-Myths-Legends-Skye-Alexander/dp/1440573050
- Matthews, John; Caitlín Matthews (2005). The Element Encyclopedia of Magical Creatures. HarperElement ISBN 978-1-4351-1086-1.
- Images in Wikipedia and Wiki Fandom Public Domain