From Jim Emme:

Ewing Swaney, born in 1872 on your list is Ewing W. Swaney.  His wife was Laura Belle Pastorius, b. 4
Sep 1871 in PA and died 12 Aug 1944. 

Their son, Clarence Edward Swaney is not listed on the 1920 census for FC, PA.  Here is the info on
him and his family (taken from the Family Tree of Search on ancestry.com,
Punkdaddy74–citations are from various censuses and SSDI):

Clarence E. Swaney (Minnie Mae dec’d), 4/4/1893–11/19/1954, f. Ewing m. Laura
Pastories, bur Maple Grove, PA, pg 192 vol 2 RFTP

From Punkdaddy74: His wife was Minnie Mae Smith, b 13 Oct 1892 in FC, PA, died 4 Apr 1944 in FC, PA. 
Married 1915, with his age being 22, her 18, in Fayette Co, PA.  Their children:

Mazelma Pearl Swaney b 29 Jan 1916 in Fairchance, d. 15 Apr 1977 in Fairchance.
Milton Allen Swaney b. 29 Dec 1917 in Fairchance, d. 6 Jan 1990 in Hopwood.
Robert Heath Swaney (twin) b. 8 Nov 1920 in Fairchance, d. 16 Apr 1921 in Fairchance
Reba Bell Swaney (twin) b. 8 Nov 1920 in Fairchance, d. 28 Feb 1921 in Fairchance
Pauline Swaney b. 1 Sep 1922 in Hoover, FC, PA, d. 22 June 2007 in Uniontown
Emory Glenn “Red” Swaney, b. 9 Mar 1924 in Fairchance, d 22 Apr 1982 in Fairchance
Retha Irene Swaney, b. 19 Mar 1926 in McClellandtown, d. 9 Dec 2007 in Westmoreland Co, PA
Gerald William Swaney, b. 9 Nov 1927 in Messmore, PA, d. 26 Dec 1981 in Sykesville, MD
Virginia Lee “Jen” Swaney, b. 22 Feb 1933 in Hoover, FC, PA, d. 6 Feb 2007 in Morgantown,
Monongalia, WVA

M. Pearl married George Sebastian Benson, b. 14 Sep 1887, Lancashire, England, d. Aug 1953 in
Hopwood, FC, PA.  Pauline married Michael Rosinsky, b 29 Sep 1911, d 3 May 1989 in Pennsylvania. 
Emory married a lady whose last name is Russin; she is still alive, along with their children.  Retha
marred a man whose last name is Phillips; she is still alive.  Gerald remained single, no children. 
And, Virginia married a man named Snyder; he is still living.  —Again, this is all from
Punkdaddy74.