Matthew Jude Barker has been a genealogical and historical researcher since 1981 and is a resident historian at the Maine Irish Heritage Center (MIHC). Since 1996, Matt has written Maine history articles for periodicals, including Portland Magazine, Galway Roots, Discover Maine, and The Bollard. He has contributed to four books, including They Change Their Sky: The Irish in Maine (2004), and John Ford in Focus (2008), and is the author of The Irish of Portland, Maine, A History of Forest City Hibernians (2014), Becoming American (2025), and The Blue and the Green (2025).