1900 Census Mifflin, Allegheny, Pennsylvania.
John H Kennedy 48 Margaret Kennedy 39
Elmer E Kennedy 20 Blanchard Kennedy 18
John H Kennedy 16 Dessie M Kennedy 14
George E Kennedy 10 Joseph W Kennedy 5
Margaret Z Kennedy 1
https://familysearch.org/ark:/61903/1:1:M3M4-5811910 Hays, Allegheny, Pennsylvania.
https://familysearch.org/ark:/61903/1:1:MGSY-VXK1920 Census Haysville, Allegheny, Pennsylvania
https://familysearch.org/ark:/61903/1:1:M6BV-Q611930 Census Pittsburgh (Districts 251-488), Allegheny, Pennsylvania.
https://familysearch.org/ark:/61903/1:1:XCCR-NPN1940 Census Ward 31, Pittsburgh, Pittsburgh City, Allegheny, Pennsylvania.
https://familysearch.org/ark:/61903/1:1:KQWN-L2DAnc tree gives John Henry Kennedy - 1852–1908
Born 7 October 1852 - Mifflin, Allegheny, Pennsylvania passed away 28 April 1908 - Mifflin, Allegheny, Pennsylvania.
Margaret
Rowlands - 1859–1927 born 23 October 1859 Allegheny Pennsylvania - passed away 10 July 1927 - Hays, Allegheny, Pennsylvania.
Margaret Rowland Kennedy [Margaret Rowland Rowland] - Age 68 years.
Birth Date 23 Oct 1858 - McKeesport, Pennsylvania passed away 10 Jul 1927 - Hays, Allegheny, Pennsylvania.
Father Evan Rowland and Mother M Sykes - Spouse John H Kennedy
Follows the children as well.
Part of death certificate below
Sandra