M, #1445, b. 3 July 1918
|Father||Gerhardus John Albert Markhorst1 b. 4 Sep 1891|
|Mother||Josephine (Johanna) Immaculata Cleary1 b. 14 Jun 1891, d. 19 Jan 1964|
|Birth*||John Markhorst was born on 3 July 1918.1|
|He was the son of Gerhardus John Albert Markhorst and Josephine (Johanna) Immaculata Cleary.1|
|(with Parents) Cens 1920 tr||John Markhorst appeared on the 1920 Federal Census of Phi;adelphia, Pennsylvania in the household of his parents, Gerhardus John Albert Markhorst and Josephine (Johanna) Immaculata Markhorst. The address at the time of the census was 118 Juniper St..2|
- [S332] Peck and Markhorst Families, manuscript, 2007, Ron Peck, Philadelphia, Pennsylvania. MAN 332.
- [S338] Gerhart Markhovst household, 1920 US Census, Borough of Quakertown, Bucks, PA, population schedule, Enumeration District (ED) 48, sheet 14A, dwelling 85, family 93, National Archives micropublication T625_1543. (CEN 338).