You have several errors in your memorials at Find a Grave for George & Christina.https://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=8...
George & Christina can both be found in the 1940 census. George died in 1953, NOT 1933 and Christina died in 1957, NOT 1937.
Also Christina was NOT born in Germany but in Jefferson Township, Stephenson, Illinois.
*United States Census, 1900
Name Christine S Butz
Event Type Census
Event Year 1900
Event Place Jefferson Township, Stephenson, Illinois, United States
Marital Status Married
Relationship to Head of Household Daughter
Number of Living Children 0
Years Married 0
Birth Date Nov 1875
Marriage Year (Estimated) 1900
Father's Birthplace Germany
Mother's Birthplace Germany
Mother of how many children 0
Michael Koch Head M 51 Germany
Rosine Koch Wife F 51 Germany
George Koch Son M 20 Illinois
Laura Koch Daughter F 17 Illinois
Clara L Koch Daughter F 15 Illinois
Oscar J Koch Son M 9 Illinois
John S Butz Boarder M 26 Germany<------------------------married
Christine S Butz Daughter F 25 Illinois <----------------------------------married
Here are a few obits for them that will verify this information.
Tuesday, September 15, 1953
PEARL City - Services for George J Butz, 79, who died Sunday, will be held at 1:30 p.m. Wednesday in Salem Evangelical and Reformed church, Loran. The Rev. Clifford Jansse, pastor will officiate. Burial will be in the church cemetery. Friens may call in the Offenheiser funeral home, Pearl City, until 11:30 a.m. Wednesday and then at the chuch.
Survivors include his widow the former Christina Koch; two sons, Herbert and Paul Butz, both at home; and daughters, Mrs. Luke Slick, Milledgeville, and Mrs. R. D. Prior, Pearl City and four sisters and a brother, all in Germany.
Thursday, April 18, 1957
Mrs. George Butz
PEARL CITY - Mrs George Butz, 81, died early Wednesday morning in her home.
She was born in Jefferson township. Stephenson county.
Surviving are two daughters, Mrs. Irma Slick, Milledgeville, and Mrs. Florence Prior. at home: two sons, Herbert. at home and Paul, Pearl City, and two sisters, Mrs. Nelson Flickinger and Laura Koch both of Pearl City.
Services will be held at 1:30 pm Saturday in the Salem Evangelical and Reformed church, Loran. The Rev. Philip Pobanz, pastor will officiate.
Sunday, February 15, 1976
Mrs. Irma Slick
Milledgeville - Mrs. Irma Slick, 75, Milledgeville died Saturday in the Sterling Care Center after an extended illness.
Survivors include eight sons, Ivan Ethridge, Polo, Alden Ethridge, Kent, Austin Ethridge, Freeport, Allen Ethridge, Rockford, Winston Slick, Sterling, Frank and Larry Slick, both of Milledgeville and Roger Slick, Pearl City; two daughters, Mrs Mrs. Verda Werkheiser, Pearl City, and Mrs. Edna Mae Fehr, Lawton, Okla.; 21 grandchildren, two great-grandchildren a sister Mrs. Florence Prior, Pearl City, brother Paul Butz, Pearl City
Services will be at 1:30 p.m. Monday in the United Methodist Church. Burial will be in Bethel Cemetery. Friends may call from 2 to 4 nd 7 to 9 p.m. today in the Woodin Funeral Home.