1920 United States Federal Census
Name: Marie Busch
Age: 2
Birth Year: abt 1918
Birthplace: Illinois
Home in 1920: Chicago Ward 27, Cook (Chicago), Illinois
Street: Sawyer Ave
Residence Date: 1920
Race: White
Gender: Female
Relation to Head of House: Daughter
Marital status: Single
Father's name: Frank Busch
Father's Birthplace: Illinois
Mother's name: Marie Busch
Mother's Birthplace: Illinois
Household Members:
Name Age
Frank Busch 33
Marie Busch 30
Francis Busch 4
Marie Busch 2

1930 United States Federal Census
Name: Mary Busch
Birth Year: abt 1917
Gender: Female
Race: White
Birthplace: Illinois
Marital status: Single
Relation to Head of House: Daughter
Home in 1930: Chicago, Cook, Illinois, USA
Street address: North Sawyer ave
Ward of City: 40
Block: 106
House Number: 4214
Dwelling Number: 27
Family Number: 63
Attended School: Yes
Able to Read and Write: Yes
Father's Birthplace: Illinois
Mother's Birthplace: Illinois
Able to Speak English: Yes
Household Members:
Name Age
Frank Busch 42
Mary Busch 41
Francis Busch 15
Mary Busch 13
Estelle Busch 8

1940 United States Federal Census
Name: Mary C Busch
Age: 22
Estimated birth year: abt 1918
Gender: Female
Race: White
Birthplace: Illinois
Marital status: Single
Relation to Head of House: Daughter
Home in 1940: Chicago, Cook, Illinois
Street: W Montrose Avenue
Inferred Residence in 1935: Chicago, Cook, Illinois
Residence in 1935: Same Place
Sheet Number: 4B
Occupation: Comptometer Operator
Attended School or College: No
Highest Grade Completed: High School, 4th year
Hours Worked Week Prior to Census: 40
Class of Worker: Wage or salary worker in private work
Weeks Worked in 1939: 52
Income: 1070
Income Other Sources: No
Household Members:
Name Age
Frank Busch 58
Mary Busch 51
Mary C Busch 22
Estelle J Busch 17

Cook County, Illinois Marriage Index, 1930-1960
Name: Mary C. Busch
Marriage Date: 14 Sep 1942
Spouse: Edward M. Rosentreter
Marriage Location: Cook County, IL
Marriage license: {55E0C722-6A28-4929-B8FD-5F7DA4D0CB6C}
File Number: 1746018
Archive Collection Name: Cook County Genealogy Records (Marriages)
Archive repository location: Chicago, IL
Archive repository name: Cook County Clerk

Cook County, Illinois Death Index, 1908-1988
Name: Marie Camilia Rosentreter
Death Date: 20 May 1950
Death Location: Cook County, IL
File Number: 6033813
Archive Collection Name: Cook County Genealogy Records (Deaths)
Archive repository location: Chicago, IL
Archive repository name: Cook County Clerk

Chicago Tribune - Chicago, Illinois - 22 May 1950, Mon - Page 47
ROSENTRETER -  Mary Camilla Rosentreter, nee Busch, beloved mother of Rita, dear daughter of the late Frank and Mary Busch, fond sister of Francis X. Busch and Estelle J. Leinen. Funeral 9 a. m. Tuesday from funeral home, 230O N. Cicero  avenue, to Our Lady of Victory church. Interment Mount CarmeL BErkshire 7-8970.

Daughter: Rita Marie (Rosentreter) Seegers (B. 1947) wife of Joseph Seegers