Extract from the Wisconsin Births and Christenings Index, 1826-1908:
Name: Robert Thompson Tennant
Birth date: 22 Aug 1875
Birth place: Woodland, Sauk, Wisconsin
Gender: male
Race: white
Father's name: Richard Tennant Jr
Mother's name: Hannah Jolls
FHL film number: 1305585

Extract from the 1880 Census:
Name: Robert T Tennant
Age: 4
Estimated birth year: 1876
Birthplace: Wisconsin
Race: white
Sex: male
Relationship to head-of-household: son
Parent: Richard Tennant age 37; widower
Home in 1880: Woodland, Sauk, Wisconsin
Marital status: single
Father's birthplace: England
Mother's birthplace: New York
Father's occupation: farmer
Occupation: none
Siblings living at home: Richard (age 6) and Harry A (2)
Census place: Woodland, Sauk, Wisconsin; Roll: T9_1446; Family History Film: 1255446; Page: 304.1000
Date: 10 Jun 1880

Extract from the 1910 Census:
Name: Robert Tennant
Age in 1910: 34
Estimated birth year: 1876
Birthplace: Wisconsin
Race: white
Sex: male
Relationship to head of family: head
Home in 1910: Tilden Township, Chippewa, Wisconsin
Marital status: married
Number of years of present marriage: 2 (first marriage)
Able to speak English: yes
Able to read and write: yes
Father's birthplace: England
Farm or house: farm
Mother's birthplace: unknown
Home owned or rented: rented
Occupation: well drilling
Type of industry: make well
Salary or wage worker: employer
Census place: Tilden, Chippewa, Wisconsin; Roll: T624_1703; Page: 12B; Enumeration District: 78; Image: 1140
Date: 9 May 1910

Extract from World War I Draft Registration Cards, 1917-1918:
Name: Robert Thompson Tennant
County: Winnebago
State: Illinois
Birth date: 22 Aug 1875
Race: white
FHL roll number:
Draft board: 0
Address: RFD 1, Roscoe, Winnebago, Illinois
Occupation: not listed
Employer: unemployed
Nearest relative: Mrs Ada Tennant
Address: RFD 1, Roscoe, Winnebago, Illinois
Age: 43
Height: tall
Build: medium
Eyes: brown
Hair: brown
Disability: larue [?] in right leg
Date: 12 Sep 1918

Extract from the 1920 Census:
Name: Robert T Tennant
Age: 44
Estimated birth year: 1876
Birthplace: Wisconsin
Race: white
Sex: male
Relationship to head of house: head
Home in 1920: Roscoe, Winnebago, Illinois
Marital status: married
Able to speak English: yes
Able to read and write: yes
Father's birthplace: England
Mother's birthplace: New York
Home owned or rented: rented
Occupation: farm laborer
Type of industry: working out
Salary or wage worker: wages
Census place: Roscoe, Winnebago, Illinois; Roll: T625_416; Page: 2B; Enumeration District: 221; Image: 517
Date: 3 Jan 1920

Extract from U.S. City Directories 1821-1989:
Name: Robert T Tennant
Gender: male
Street address: 200 Grand Avenue
City: Rockford, Illinois
Occupation: laborer - Ekstrom Sash
Spouse: Ada Tennant
Residence year: 1929
Publication title: Rockford, Illinois, City Directory

Extract from the 1930 Census:
Name: Robert Tennant
Age: 55
Estimated birth year: 1874
Birthplace: Wisconsin
Race: white
Sex: male
Relation to head-of-house: head
Home in 1930: Rockford, Winnebago, Illinois
Address: East Drive
Marital status: married
Age at first marriage: 35
Education: able to speak English
Education: able to read and write
Father's birthplace: England
Mother's birthplace: unknown
Military service: no
Rent/home value: owns home; value $5000
Owned a radio: no
Occupation: salesman
Industry: nursery stock
Salary or wage worker: wages
Census place: Rockford, Winnebago, Illinois; Roll: 572; Page: ; Enumeration District: 58; Image: 911.0
Date: 19 Apr 1930

Obituary from the "Wisconsin State Journal" of Madison, Wisconsin dated 17 Mar 1944:
Tennant Services
Platteville - The body of Robert Thompson Tennant, 68, Platteville, who died at a Platteville hospital Wednesday, was taken from the Concklin funeral home this morning to Wonewoc for burial.
He was born in Sauk county but lived in Platteville for 13 years.
Survivors include two brothers and a sister.

He married Ada Ann Green 9 Jan 1897 in Chippewa County, Wisconsin.