1900 Census - Allegheny County, Pennsylvania
Pittsburg City - 1 June 1900

  1729 12 15  Wharton Street
  Geiger, Christian
  ...
  -- 16
  Herzler, John C.   Head W M Jan 1861 38 M 16 Penn Germ Germ Carriage Painter
  Rachel             Wife W F Aug 1858 41 M 16 Penn Penn Penn

1910 Census - Allegheny County, Pennsylvania
Pittsburg City - 16 April 1910

  1822 7 11 Sidney St.
  Herzler, John C.    Head M W 49 M1 26     Penn Germ Germ Painter & Decorator, Fire Department
  Rachel              Wife F W 51 M1 26 0 0 Penn Penn Penn

1920 Census - Fayette County, Pennsylvania
Nicholson TWP - 25-26 March 1920

  40 106 111
  Davis, Daniel F.  Head M W 50 M  Penn Penn Penn Mine Mechanic
  Alverta           Wife F W 48 M  Penn Penn Penn
  Herzler, Rachael  Aunt F W 61 Wd Penn Penn Penn
  [Note: This is a second entry for Daniel Davis on the census.  
  Did Daniel own more than one abode?]