Robert Cooper — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Montcalm-County, Michigan

Our Model Tree links this Robert Cooper across the 1920, 1930 and 1940 US Censuses in Montcalm-County, Michigan (XGBoost, ~Confirmed), with identified parents Sadie & Sadie — first a son (b.~1918), then head of a 2-person household.

Age 22 b. ~1918 Male Son Born: Michigan Single

1940 Census Record Details

Census Year	1940
Location	Montcalm-County, Michigan
Surname	Cooper
Given Name	Robert S.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	22
Marital Status	Single
Birthplace	Michigan
1935 Residence (City)	Greenville City
1935 Residence (County)	Montcalm
Additional Details
Occupation	Service Man
Industry	Oil Station
Class of Worker	PW
Hours Worked	42
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same house
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan
Occupation	Service Man
Township / Ward	Greenville City
Est. Birth Year	~1918

Household Members

Census records only state relationship to the household head. Pairwise kinship is derived (~90–95% accurate), not recorded. Step/blended families and boarders can break it.

2 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Robert	Age	Birth yr
Sadie Cooper	Head	—	56	~1884
Robert Cooper	Son	—	22	~1918

Census Appearances

1920

Montcalm, Michigan

Son, age 2

Montcalm, Michigan · implied b. ~1918 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cooper
Given Name	Robert B
Relationship to Head	Son
Sex	M
Color / Race	White
Age	2
Marital Status	Single
Birthplace	Michigan
Father's Birthplace	Michigan
Mother's Birthplace	Michigan
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1930

Montcalm, Michigan

Son, age 12

Montcalm, Michigan · implied b. ~1918

● Primary link · ~Confirmed · 1 source

XGBoost

Surname	Cooper
Given Name	Robert D
Relationship to Head	Son
Sex	M
Color / Race	White
Age	12
Marital Status	Single
Birthplace	Michigan
Father's Birthplace	Michigan
Mother's Birthplace	Michigan
Occupation	none
Can Read/Write	Yes
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1940

Montcalm-County, Michigan

Son, age 22

Montcalm-County, Michigan · implied b. ~1918 — 2 household members

Surname	Cooper
Given Name	Robert S.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	22
Marital Status	Single
Birthplace	Michigan
1935 Residence (City)	Greenville City
1935 Residence (County)	Montcalm
Occupation	Service Man
Industry	Oil Station
Class of Worker	PW
Hours Worked	42
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same house
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

Model Tree

Model Tree available

Our Model Tree links Robert Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sadie Cooper (~0.92 confidence) and mother Sadie Cooper (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Mother

Sadie Cooper

b. ~1865

Source mother

● Household · direct · ~0.92

Mother

Sadie Cooper

b. ~1884

Source mother

● Household · direct · ~0.92

This person

Anchor record

Robert Cooper

Son · 1940 · age 22 · b. ~1918 · Michigan

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Montcalm-County, Michigan Open full size

Page Contents

37 people indexed on this census page (nara:1940:m-t0627-01793-00508)

Line	Name	Age	Relation	Occupation	Birthplace
44	Christian Findsen	84	Head	—	Denmark
45	Anna Findsen	70	Wife	—	Denmark
46	Harold Horne	35	Head	Fireman	Michigan
47	Evelyn Horne	34	Wife	Case Liner	Michigan
48	Peggie L. Horne	8	Daughter	—	Michigan
49	Gerald Horne	6	Son	—	Michigan
50	Lawrence Horne	3	Son	—	Michigan
51	Mae E. Barringer	23	Maid	Maid	Michigan
52	Lonnie E. Barringer	2	Maid's child	—	Ohio
53	William Rettinger	77	Head	—	English-Canada
54	Ida M. Rettinger	68	Wife	—	Michigan
55	John Riker	57	Head	Tool Buyer	Michigan
56	Georgia Riker	54	Wife	—	Michigan
57	Kenneth Burns	24	Step-son	Dairyman	Michigan
58	Ernest E. Conroy	14	Boarder	—	Michigan
59	Ernest Peterman	57	Head	Coreline Burner	Michigan
60	Edna Peterman	42	Wife	—	Indiana
61	Crystal Peterman	13	Daughter	—	Michigan
62	Phyllis Riese	9	Daughter	—	Michigan
63	Arthur Petersen	45	Head	Taxi Driver	Michigan
64	Beulah Petersen	40	Wife	Taxi Driver	Michigan
65	Virgilene Petersen	17	Daughter	—	Michigan
66	Richard Petersen	7	Son	—	Michigan
67	Blanche Dupee	44	Head	—	Michigan
68	Margaret Dupee	15	Daughter	—	Michigan
69	Dorothy (Ab) Dupee	18	Daughter	—	Michigan
70	Sidney Rochester	60	Head	—	Michigan
71	Edith Rochester	58	Wife	—	Michigan
72	Warren Rich	37	Head	Inspector	Michigan
73	Thelma Rich	24	Wife	Operator	Illinois
74	Patricia Rich	5	Daughter	—	Michigan
75	Marion Rich	77	Mother	—	New York State
76	Sadie E. Cooper	56	Head	—	Michigan
77	Robert S. Cooper THIS PERSON	22	Son	Service Man	Michigan
78	Ida Rockwell	66	Head	—	Ohio
79	Lillian Morris	55	Sister	—	Ohio
80	Walter Arntz	39	Head	Manager	Michigan

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Pedigree Summary

Robert

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.

Source: National Archives and Records Administration (NARA)

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