Ryan's mother was an Irish American native of Plattsburgh, New York, and her father was Italian American.
The group includes Irish natives, like the green-eyed Josephine Rowe, who verifies some Joycean terminology based on her life in the old country.
Much of her adult life has been spent taking care of the babies of local couples, including two children of Eamonn Coghlan, the Irish native who set a world mile record in 1983.
The book's thesis was to confirm the cultural-that is, Gaelic-unity between the Irish Catholic natives of Ulster, in northern Ireland, and the Scottish settlers.
The "troubles" in Northern Ireland are a residue of the genocidal 17th-century English policy of replacing the "savage" Irish Catholic natives with "plantations" of Protestant settlers.
There are predominately Irish and Portuguese natives, with a mix of Polish and Italians along with professionals who work in Boston and Kendall Square.
According to census figures, the proportion of Inwood residents either born in Ireland or in the United States to Irish natives peaked in 1960 at close to 20 percent.
He estimates that approximately 50pc of the jobs in this latest wave of technology investment have gone to Irish natives, but highlights the impact on the city's economy of the knock-on effects of such job creation.
The rest of the buildings were mud huts belonging to the Irish natives.
The statute decreed that inter-marriage between English settlers and Irish natives was forbidden.