Irish mythology is a bunch of stories that people from a long, long time ago used to tell each other about gods and goddesses, magical creatures, and heroes. Think of it like a really cool bedtime story book, but instead of regular people, the stories have mysterious and magical characters.
One of the most important parts of Irish mythology is that they believed in a lot of different gods and goddesses. These were people that they thought had special powers, like making the sun rise, controlling the wind or rain, or helping people. They also believed in magical creatures like fairies, elves, and even shape-shifting werewolves called werewolves.
Some of the most popular stories in Irish mythology include the stories of the Tuatha De Danann, a group of powerful gods who were believed to have lived in Ireland ages ago. They were really strong and could do things that regular people couldn't, like fly, turn invisible, and control the elements.
There are also stories about the great warrior Cú Chulainn, who could fight off hundreds of people all by himself, and Queen Maeve, who was super rich and powerful. Some stories even have humans who become magical themselves, like Finn McCool, who was very brave and strong, and who could talk to animals.
Basically, Irish mythology is a lot of really interesting stories about magical people and creatures that people from a long time ago used to tell each other. We still like to read them and learn about them because they are so cool!