Extract from the 1900 Census:
Name: Iva Newark
Age at last birthday: 10
Date of birth: Mar 1890
Birthplace: Michigan
Race: white
Sex: female
Relationship to head-of-house: daughter
Home in 1900: Roxand, Eaton, Michigan
Marital status: single
Able to read, write and speak English: yes
Father's birthplace: Canada English
Mother's birthplace: Michigan
Occupation: attending school
Siblings living at home: none
Census place: Roxand, Eaton, Michigan; Roll: T623 709; Page: 3A; Enumeration District: 77
Date: 5 Jun 1900

Extract from the 1910 Census:
Name: Iva M Newark
Age in 1910: 20
Estimated birth year: 1890
Birthplace: Michigan
Race: white
Sex: female
Relationship to head of family: niece
Living with: Wallace Newark and wife Ida, ages 49 and 38
Home in 1910: Charlotte Ward 4, Eaton, Michigan
Address: 121 East Simmons Street
Marital status: single
Able to speak English: yes
Able to read and write: yes
Father's birthplace: Canada English
Mother's birthplace: Michigan
Occupation: teacher
Type of industry: school
Salary or wage worker: wages
Census place: Charlotte Ward 4, Eaton, Michigan; Roll: T624_645; Page: 7A; Enumeration District: 82; Image: 224
Date: 20 Apr 1910

Extract from the 1920 Census:
Name: Iva M Bowerman
Age: 29
Estimated birth year: 1891
Birthplace: Michigan
Race: white
Sex: female
Relationship to head of house: wife
Home in 1920: Reading, Hillsdale, Michigan
Address: farm
Marital status: married
Able to speak English: yes
Able to read and write: yes
Father's birthplace: Michigan [sic]
Mother's birthplace: Michigan
Occupation: none
Census place: Reading, Hillsdale, Michigan; Roll: T625_768; Page: 11B; Enumeration District: 133; Image: 470
Date: 16 Jan 1920

Extract from the 1930 Census:
Name: Iva Bowerman
Age: 40
Estimated birth year: 1890
Birthplace: Michigan
Race: white
Sex: female
Relation to head-of-house: wife
Home in 1930: Reading, Hillsdale, Michigan
Marital status: married
Age at first marriage: 25
Education: able to speak English
Education: able to read and write
Father's birthplace: Canada English
Mother's birthplace: Michigan
Occupation: none
Census place: Reading, Hillsdale, Michigan; Roll: 993; Page: ; Enumeration District: 23; Image: 465.0
Date: 15 Apr 1930

Extract from the 1940 Census:
Name: Iva Bowerman
Age: 50
Estimated birth year: 1880
Birthplace: Michigan
Race: white
Sex: female
Relation to head-of-house: wife
Home in 1940: Reading, Hillsdale, Michigan
Address: Abbott Road
Marital status: married
Highest grade of school completed: 2
Living on farm: yes
Place of residence in 1935: same house
Occupation: housework
Has other income of more than $50: no
Census place: Reading, Hillsdale, Michigan; Roll: T627_1755; Page: 9B; Enumeration District: 30-23
Date: 19 Apr 1940

Extract from the 1950 Census:
Name: Iva Bowerman
Age: 60
Estimated birth year: 1890
Birthplace: Michigan
Race: white
Sex: female
Relation to head-of-house: wife
Home in 1950: Reading, Hillsdale, Michigan
Address: 536 Abbott Road
Marital status: married
Living on farm: yes
Occupation: keeping house
Census place: Reading, Hillsdale, Michigan
Date: 17 Apr 1950

Children:
(1) Lynn Earl Bowerman
(2) Doris Irene Bowerman
(3) Wayne Arthur Bowerman
(4) Welden Phillip Bowerman
(5) Gloria Jean Bowerman.