buried at Holy Ghost Ukrainian Cemetery, Valley Township, Chester County, PA
He and Sophia were married in Coatesville on 2 June 1918. Their children - William (b. 21 March 1919) and Mary (b. 19 June 1921) were born in Coatesville. The 1920 census shows them (John, Sophia and William) living with Sophia's parents: Harry & Helen Monko on New Street. By 1930 the Hladys live in New York.
Ancestry.com. U.S., World War I Draft Registration Cards, 1917-1918 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2005.
The National Archives and Records Administration; Washington, D.C.; Petitions for Naturalization from the U.S. District Court for the Southern District of New York, 1897-1944; Series: M1972; Roll: 973.
Year: 1920; Census Place: Coatesville Ward 2, Chester, Pennsylvania; Roll: T625_1549; Page: 10A; Enumeration District: 11; Image: 812.