Found nothing on SSDI

1880/ ?

1900/ Illinois/ Lake
h/ Michael Capp, 42y b.Nov 1857 GERMANY, M/17, Imm 1871, Al, occ: Candy salesman
w/ Frednia, 45y b.Dec 1854 CANADA, mother of 9/7 living
s/ Frank, 16y b.Jan 1883 IL, occ: Golf caddy
s/ Edward, 13y b.Jul 1886 IL
s/ Wallace, 11y b.Jul 1888 IL
d/ Jenette, 9y b.Mar 1891 IL
s/ Bert, 7y b.Oct 1892 IL
s/ George, 5y b.? 1894 IL
s/ Paul, 3y b.Apr 1897 IL
residence: (no house number) Depot Avenue, Lake Forest

1910/ Kansas/ Wyandotte
h/ MICHAL COPP, 54y b.GERMANY, M1/28, occ: Evangelist/Traveling
w/ Frederieka, 55y b.CANADA, mother of 9/? living
s/ Frank H, 26y b.IL, occ: ? Labor/Awning Co
d/ J____tt E, 19y b.IL
s/ Bert M, 17y b.IL, occ: Cutter/Bag factory
s/ George A, 15y b.IL
s/ Paul R, 13y b.IL
residence: 2407 N 5th Street, KCK

1920/ Kansas/ Wyandotte
h/ Michael COPP, 63y b.GERMANY, occ: Evangelist
w/ Fredreka, 65y b.CANADA, Imm 1870
s/ Wallace, 32y b.IL, Wd, occ: Accountant/?
d/ Jeanette, 28y b.IL, occ: Clerk/?
s/ George, 25y b.IL, occ: ?/?
residence: 67 S 17th Street, Kansas City, Kansas

1930/ Kansas/ Wyandotte
h/ Michael Capp, 73y b.GERMANY, Imm 1871, Na, occ: Evangelist/Plymouth Ch, *Veteran-No*
w/ Friedericka, 75y b.CANADA, Imm 1875, Na
s/ George A, 35y b.IL, DIV, occ: Clerk/?, * Veteran-Yes *
d/ Jeanette E, 39y b.IL, occ: Bookeeper/?
residence: 67 S 17th Street, KCK

Michael was born 14 November 1856 in Hechtsheim, Germany. He died 24 January 1934 in Kansas City, Kansas.
Information from Anita Weaver, contributor 47434406
(a great-granddaughter)

Michael Capp was a Jewish Christian Evangelist for several decades. He was not an ordained minister, but served in evangelistic ministries through the Plymouth Brethren denomination.
Information from Mary Cloutier, contributor 49164239
(18 July 2022)