[I found Celesta's maiden name by looking in obituaries of Pennsylvania, finding two that mention
"Celesta Jordan of Pittsburgh" as a sister.  Both decedents had the last name of Eckels]

1900 Census - Blair County, Pennsylvania
Altoona Ward 8 - 6 June 1900

  82 82 406 Second Avenue
  Eckels, John S.      Head W M May 1852 48 M 26       Penn Penn Penn Machinist
  Clara B.             Wife W F Aug 1855 44 M 26 11 10 Penn Penn Penn
  John S.              Son  W M Jul 1881 18 S          Penn Penn Penn Laborer
  James R.             Son  W M Nov 1882 17 S          Penn Penn Penn Butcher
  Herman F.            Son  W M Mar 1884 16 S          Penn Penn Penn At School
  Howard E.            Son  W M Aug 1885 14 S          Penn Penn Penn At School
  Minnie B.            Dau  W F Jul 1888 12 S          Penn Penn Penn At School
  Celesta M.           Dau  W F Nov 1890  9 S          Penn Penn Penn At School
  Edward O.            Son  W M Oct 1892  7 S          Penn Penn Penn At School

1910 Census - Blair County, Pennsylvania
Altoona City, Precinct 2 - 22 April 1910

  414 291 294 Second Ave.
  Eckels, Clara    Head F W 54 Wd 11 10 Penn Penn Penn
  Howard           Son  M W 25 S        Penn Penn Penn  House Painter
  Edward           Son  M W 16 S        Penn Penn Penn  Barber
  Celesta          Dau  F W 19 S        Penn Penn Penn  Railroad Operator