I saw this on FamilySearch recently – History of Ireland and Your Heritage: https://www.familysearch.org/blog/en/ireland-heritage-history/. Article is longer, but here are some details. I included the section headings below.
March 5, 2021 by Amie Tennant
Did you know there are no wild snakes in Ireland? If there weren’t already a hundred and one things to already love about the Emerald Isle, this might be the best! With low central plains and coastal mountains, Ireland is a most beautiful backdrop to a rich heritage of myth, legends, and tradition.The most important source of your Irish ancestors’ BMDs for the past 150 years or more are civil registrations. Fortunately, civil registration information for millions of people is available online—much of it for free. Here’s where to look for Irish civil registration records and what you’re likely to find.
Irish Heritage Today
Though Ireland only has a population of about 4.9 million, Irish heritage is widespread in the world. It is estimated that nearly 32 million U.S. residents claimed Irish ancestry in 2018; in Britain, it is estimated nearly 6 million residents can claim an Irish heritage two generations back.
The Irish Diaspora
Irish-American Heritage Month and St. Patrick’s Day