Extract from World War I Draft Registration Cards, 1917-1918:
Name: Pietro Cacioppo
County: Champaign
State: Illinois
Birth date: 5 Sep 1881
Race: white
FHL roll number: 1452378
Draft board: 2
Address: 1205 North Chestnut Street, Champaign, Champaign, Illinois
Birthplace: Italy
Citizenship: non-declared alien
Occupation: railroader
Employer: Illinois Central Railroad
Where employed: Champaign, Champaign, Illinois
Nearest relative: Calogera Cacioppo
Address: 1205 North Chestnut Street, Champaign, Champaign, Illinois
Age: 37
Height: medium
Build: stout
Eyes: brown
Hair: not listed
Disability: none
Date: 12 Sep 1918

Extract from the 1920 Census:
Name: Pete Cacioppo
Age: 39
Estimated birth year: 1881
Birthplace: Italy
Race: white
Sex: male
Home in 1920: Champaign, Champaign, Illinois
Address: North Chestnut Street
Marital status: married
Able to speak English: yes
Able to read and write: yes
Father's birthplace: Italy
Father's native tongue: Italian
Mother's birthplace: Italy
Mother's native tongue: Italian
Native tongue: Italian
Year of immigration: 1900
Naturalized or alien: naturalization pending
Home owned or rented: owned; no mortgage
Occupation: carpenter
Type of industry: repairs cars*
Salary or wage worker: wages
Census place: Champaign Ward 3, Champaign, Illinois; Roll: T625_298; Page: 2A; Enumeration District: 7; Image: 116
Date: 3 Jan 1920
*Note: probably railroad cars.

Extract from the 1930 Census:
Name: Pete Cacioppo
Age: 42
Estimated birth year: 1888
Birthplace: Italy
Race: white
Sex: male
Relation to head-of-house: head
Home in 1930: Champaign, Champaign, Illinois
Address: 210 East Bradley
Marital status: married
Age at first marriage: 22
Spouse's name: Alice
Education: able to speak English
Education: able to read and write
Father's birthplace: Italy
Mother's birthplace: Italy
Year of immigration: 1898; naturalized
Language spoken in home before coming to the United States: Italian
Military service: no
Rent/home value: owns home; value $3500
Owned a radio: no
Occupation: merchant
Industry: grocery
Salary or wage worker: employer
Census place: Champaign, Champaign, Illinois; Roll: 409; Page: 3A; Enumeration District: 16; Image: 790.0
Date: 3 Apr 1930

Extract from the 1940 Census:
Name: Peter Cacioppo
Age: 58
Estimated birth year: 1882
Birthplace: Italy
Race: white
Sex: male
Relation to head-of-house: head
Home in 1940: Champaign, Champaign, Illinois
Address: 210 Bradley Avenue
Marital status: married
Citizenship: naturalized
Highest grade of school completed: 6
Living on farm: no
Home owned or rented: owned
Value of home: $3000
Place of residence in 1935: same house
Occupation: owner and manager
Industry: grocery store
Salary or wage worker: working on own account
Number of weeks worked in 1939: 52
Amount of money wages or salary: $2000
Has other income of more than $50: no
At work during week of March 24-30: yes
Number of hours worked: 56
Census place: Champaign, Champaign, Illinois; Roll: T627_765; Page: 63A; Enumeration District: 10-10
Date: 20 Apr 1940

He married Maria Munisteri 16 Jan 1904 in Convent, Saint James Parish, Louisiana.