Cook, Tom. Chicago Irish Families, 1875-1925 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2000.
Perhaps as important a destination as Boston or New York for Irish immigrants, Chicago was the destination for many immigrants from the Emerald Isle in the 19th and 20th Century. This database is a collection of records regarding many of the Irish families who made their home in this city between 1875 and 1925. Newly updated to add over 5,000 entries, information provided includes births, marriages, and deaths, often including names of relatives. Taken from a wide variety of sources, including local histories, parish records, local newspapers, and cemetery inscriptions, this can be an extremely helpful database for those researching Irish-American ancestors.