FamilySearch sponsors a long list of free webinars on family history.
Their webinar schedule is organized by geographical region. Irish topics in September are:
Mon, Sept 19, 2 pm CDT – Irish Census and Census Substitutes
Tue, Sept 20, 2 pm CDT – Scots-Irish Research
Fri, Sept 23, 2 pm CDT – Finding and Understanding Irish Placenames
You can download handouts as well find past webinars on this page. A number of Scottish research webinars are also scheduled in October.
Lots of helpful research guidance on the FamilySearch wiki!