Frank Greagan, b. abt. 1889 in NY m. Mary E. Theisen abt. 1919. Frank and Mary had sons, Frank, Jr. and William. I am related to Mary E. Theisen and have been researching that family, which I have traced back to Trier, Germany in early 1800s. Looking to fill out the tree further. Glad to share what I've got.
Jim