Welcome aboard, Clara!
Your next step is to upgrade to family member. It's free to upgrade. Then you can start adding your family branches and digging into the research. Once you add a few profiles, come back here to the forum and post links or ID numbers and other members can help you.
You might want to check out the resources of the Ireland project. Projects usually have lists of regional resources that may be able to help you with your research. The project list can be found under the Find drop down menu.
Good luck with your research and enjoy your journey into the past!