Extract from the 1870 Census:
Name: Lester Newark
Age in 1870: 2
Estimated birth year: 1868
Birthplace: Michigan
Race: white
Sex: male
Relation to head-of-house: son
Home in 1870: Roxand, Eaton, Michigan
Post office: Sunfield
Occupation: none
Census place: Roxand, Eaton, Michigan; Roll: M593_670; Page: 283; Image: 566
Date: 23 Aug 1870

Extract from the 1880 Census:
Name: Lester Newark
Age: 12
Estimated birth year: 1868
Birthplace: Michigan
Race: white
Sex: male
Relationship to head-of-household: son
Home in 1880: Roxand, Eaton, Michigan
Marital status: single
Father's birthplace: England
Mother's birthplace: Canada
Occupation: attending school
Siblings living at home: Wallace (age 18) and Edgar (16)
Census place: Roxand, Eaton, Michigan; Roll: T9_577; Family History Film: 1254577; Page: 61.1000; Enumeration District: 62; Image: 0613
Date: 21 Jun 1880

Extract from the 1900 Census:
Name: Lester A Newark
Age at last birthday: 31
Date of birth: Aug 1868 [sic]
Birthplace: Michigan
Race: white
Sex: male
Relationship to head-of-house: head
Home in 1900: Charlotte Ward 4, Eaton, Michigan
Address: 318 Prairie Street
Marital status: married
Number of years of marriage: 12
Able to read, write and speak English: yes
Father's birthplace: England
Mother's birthplace: England [sic]
Farm or home: home
Occupation: drug salesman
Months not employed: 2
Census place: Charlotte Ward 4, Eaton, Michigan; Roll: T623 709; Page: 7B; Enumeration District: 66
Date: 8 Jun 1900

Extract from the 1910 Census:
Name: Lester A Newark
Age in 1910: 42
Estimated birth year: 1868
Birthplace: Michigan
Race: white
Sex: male
Relation to head of house: head
Home in 1910: Roxand Township, Eaton, Michigan
Marital status: married
Number of years of present marriage: 21
Able to speak English: yes
Able to read and write: yes
Father's birthplace: Canada English [sic]
Mother's birthplace: Canada English
Farm or house: farm
Home owned or rented: owned; no mortgage
Occupation: farmer
Type of industry: general farming
Salary or wage worker: working on own account
Census place: Roxand, Eaton, Michigan; Roll: T624_645; Page: 14B; Enumeration District: 93; Image: 550
Date: 20 May 1910

Extract from Michigan death certificate:
Name: Lester A Newark
Age: 49 years 1 month 20 days
Birth date: 10 Aug 1867
Birthplace: Roxand
Race: white
Sex: male
Marital status: married
Address: Roxand, Eaton, Michigan
Occupation: farmer
Death date: 30 Sep 1916
Death place: Roxand, Eaton, Michigan
Cause of death: valvular disease of heart
Father's name: Jas Newark
Birthplace of father: England
Mother's name: Adaline Newark [sic]
Birthplace of mother: Canada
Informant: W E Newark of Charlotte, Michigan
Place of burial: Meadow Brook Cemetery in Mulliken, Michigan
Date of burial: 4 Oct 1916

He married Eunice D Prince 9 Dec 1888 in Eaton, Eaton, Michigan.