Theres a book about pre-christian beliefs called “The Sacred Isle” by Dáithí Ó hÓgáin
Idea that the fairy walk among us.
Idea that the Tua DeDannan were scattered by the Millesians.
Battle of Tailtiu the ancient irish ( Millesians.) defeated the Tua DeDannan
And this could be how Christians tried to convert Pagans...ie they initially didnt try an get rid of the pagan believes...but simply say that christianity was more powerful.
Their house was build on a ringfort.
The roots of trees went into the underworld
Torture the changeling so that its fairy parents will see this and they take it back.
Sluagh – the Dead Irish Sinners Kelpie (SCOTTISH) - Shapeshift water creature, sometimes a horse. A folk tale from tells of a lonely kelpie that transforms itself into a handsome young man to woo a pretty young girl it was determined to take for its wife. Other water spirits : Fuath, Each-uisge their eye color would change every time they blinked Parents dressed boys as girls and girls as boys, They can’t resits playing pipes They have a world weary or wise look about them, as if they are older. “glamorized” by the fairies means to be enchanted or placed under a magical illusion by them. The “glamour” can make something appear different than it truly is—such as making ordinary objects look like gold, a fairy look like a beautiful human, or hiding the reality of a place or situation. People glamorized by fairies might see or experience things that aren’t real, fall under the fairies’ power, or become unable to perceive the true world around them.