Robert Campbell — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Bay-County, Michigan

Our Model Tree links this Robert Campbell across the 1920, 1930 and 1940 US Censuses in Bay-County, Michigan (XGBoost, ~Confirmed), with identified parents Peter & Margaret — first a head (b.~1912), then head of a 4-person household.

Age 28 b. ~1912 Male Head Born: Michigan Married

1940 Census Record Details

Census Year	1940
Location	Bay-County, Michigan
Surname	Campbell
Given Name	Robert
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Michigan
1935 Residence (City)	Bay City
1935 Residence (County)	Bay
Additional Details
Occupation	Watchman
Industry	W.P.A.
Class of Worker	PW
Hours Worked	32
Income (1939)	602
Highest Grade	H 1
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan
Occupation	Watchman
Township / Ward	Bay City
Est. Birth Year	~1912

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.

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

Name	Relation to head	Relative to Robert	Age	Birth yr
Robert Campbell	Head	—	28	~1912
Duane Campbell	Son	—	3	~1937
Infant Campbell	Son	—		~1940
Ruth Campbell	Spouse	—	21	~1919

Census Appearances

1920

Bay, Michigan

Son, age 8

Bay, Michigan · implied b. ~1912 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Campbell
Given Name	Robert
Relationship to Head	son
Sex	M
Color / Race	White
Age	8
Marital Status	Single
Birthplace	Michigan
Father's Birthplace	Scotland
Mother's Birthplace	England
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1930

Bay, Michigan

Son, age 19

Bay, Michigan · implied b. ~1911 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Campbell
Given Name	Robert
Relationship to Head	Son
Sex	M
Color / Race	White
Age	19
Marital Status	Single
Birthplace	Michigan
Father's Birthplace	Scotland
Mother's Birthplace	England
Can Read/Write	Yes
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1940

Bay-County, Michigan

Head, age 28

Bay-County, Michigan · implied b. ~1912 — 4 household members

Surname	Campbell
Given Name	Robert
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Michigan
1935 Residence (City)	Bay City
1935 Residence (County)	Bay
Occupation	Watchman
Industry	W.P.A.
Class of Worker	PW
Hours Worked	32
Income (1939)	602
Highest Grade	H 1
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Peter Campbell

b. ~1859

Source father

● Household · direct · ~0.92

Mother

Margaret Campbell

b. ~1870

Source mother

● Household · direct · ~0.92

This person

Anchor record

Robert Campbell

Head · 1940 · age 28 · b. ~1912 · Michigan

★ You are viewing this record

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

Original Census Page

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

Page Contents

36 people indexed on this census page (nara:1940:m-t0627-01728-00098)

Line	Name	Age	Relation	Occupation	Birthplace
1	Robert Campbell THIS PERSON	28	Head	Watchman	Michigan
2	Ruth Campbell	21	Wife	—	Michigan
3	Duane R. Campbell	3	Son	—	Michigan
4	Infant Michael John Campbell	0	Son	—	Michigan
5	Jack O. Bird	24	Head	Laborer	England
6	Dorothy D. Bird	22	Wife	—	Michigan
7	Richard Bird	1	Son	—	Michigan
8	Martin Lewandowski	52	Head	—	Poland
9	Tekla Lewandowski	45	Wife	—	Poland
10	Casimer Lewandowski	13	Son	—	Poland
11	Henry C. Sommers	63	Head	Miner	Michigan
12	Martin Fleisch	51	Head	Welder	Michigan
13	Mary Fleisch	50	Wife	—	Michigan
14	Sigmund Wiechowski	40	Head	Plumber	Michigan
15	Helen Wiechowski	38	Wife	Clerk	Michigan
16	Antonia Wiechowski	74	Mother	—	Poland
17	Aleck Tituski	42	Head	Baker	Pennsylvania
18	Veronica Tituski	40	Wife	—	Michigan
19	George Tituski	22	Son	Winder	Michigan
20	Raymond Tituski	19	Son	Clerk	Michigan
21	Eleanora Tituski	18	Son	—	Michigan
22	Robert Tituski	13	Son	—	Michigan
23	Patricia Tituski	11	Daughter	—	Michigan
24	Rose Marie Tituski	1	Daughter	—	Michigan
25	Celia Kajdan	35	Head	Cutter	Michigan
26	Edward Frank Jeszka	34	Head	Cabinet Maker	Michigan
27	Delphine Jeszka	33	Wife	—	Michigan
28	Mary Jane Jeszka	10	Daughter	—	Michigan
29	Lorraine Jeszka	9	Daughter	—	Michigan
30	Roger Jeszka	6	Son	—	Michigan
31	Camille Jeszka	5	Daughter	—	Michigan
32	Billy Jeszka	4	Son	—	Michigan
33	Bobby Jeszka	2	Son	—	Michigan
34	Casimer Marcinkowski	30	Head	Fireman	Michigan
35	Mary Marcinkowski	25	Wife	Cigar Roller	Michigan
36	Eleanor Marcinkowski	3	Daughter	—	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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