There are 878 individuals listed at WikiTree with the Fahey surname and 2,313 with the Egan surname. To see the lists, click on the Find menu at the top right of the page and then look down the menu for Surnames.
Also, using the Find menu click on Projects and look for the Nordic project. You can contact one of the project leaders or one of the coordinators that way.
Don't be reluctant to use the Ask a Question feature at the top of the page and Good Hunting!