Donald Campbell — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Kane-County, Illinois

Our Model Tree links this Donald Campbell across the 1920, 1930 and 1940 US Censuses in Kane-County, Illinois (XGBoost, ~Confirmed), with identified parents Roland & Matilda — first a head (b.~1907), then head of a 3-person household.

Age 33 b. ~1907 Male Head Born: Illinois Married

1940 Census Record Details

Census Year	1940
Location	Kane-County, Illinois
Surname	Campbell
Given Name	Donald
Relationship to Head	Head
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Illinois
1935 Residence (City)	Aurora City
1935 Residence (County)	Kane
Additional Details
Occupation	Office Clerk
Industry	Gas & Electric
Class of Worker	PW
Hours Worked	40
Income (1939)	1800
Highest Grade	H-2
1935 Residence	Same place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois
Occupation	Office Clerk
Township / Ward	Aurora City
Est. Birth Year	~1907

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.

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

Name	Relation to head	Relative to Donald	Age	Birth yr
Katie Campbell	Spouse	—	32	~1908
Donna Campbell	Daughter	—	6	~1934
Donald Campbell	Head	—	33	~1907

Census Appearances

1920

Kane, Illinois

Son, age 12

Kane, Illinois · implied b. ~1908 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Campbell
Given Name	Donald
Relationship to Head	Son
Sex	M
Color / Race	White
Age	12
Marital Status	Single
Birthplace	Illinois
Father's Birthplace	Illinois
Mother's Birthplace	Illinois
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1930

Kane, Illinois

Other, age 22

Kane, Illinois · implied b. ~1908 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Campbell
Given Name	Donald
Relationship to Head	Son in law
Sex	M
Color / Race	White
Age	22
Marital Status	Married
Birthplace	Illinois
Age at First Marriage	22
Father's Birthplace	Illinois
Mother's Birthplace	Illinois
Occupation	Clerk & Time Clerk
Industry	Door Hanger Factory
Class of Worker	W
Can Read/Write	Yes
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1940

Kane-County, Illinois

Head, age 33

Kane-County, Illinois · implied b. ~1907 — 3 household members

Surname	Campbell
Given Name	Donald
Relationship to Head	Head
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Illinois
1935 Residence (City)	Aurora City
1935 Residence (County)	Kane
Occupation	Office Clerk
Industry	Gas & Electric
Class of Worker	PW
Hours Worked	40
Income (1939)	1800
Highest Grade	H-2
1935 Residence	Same place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Roland Campbell

b. ~1868

Source father

● Household · direct · ~0.92

Mother

Matilda Campbell

b. ~1876

Source mother

● Household · direct · ~0.92

This person

Anchor record

Donald Campbell

Head · 1940 · age 33 · b. ~1907 · Illinois

★ 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 — Kane-County, Illinois Open full size

Page Contents

32 people indexed on this census page (nara:1940:m-t0627-00819-00733)

Line	Name	Age	Relation	Occupation	Birthplace
41	Carmella Abelts	52	Boarder	New Worker	Illinois
42	John Abelts	19	Boarder	New Worker	Illinois
44	Frank S. Smith	38	Head	Drill Press Oper	Illinois
45	Marion Smith	31	Wife	Clerk	Minnesota
46	Donald Smith	2	Son	—	Illinois
47	Frances Smith	0	Son	—	Illinois
48	Harold Knapp	21	Head	Secretary	Wisconsin
49	Mathilda Knapp	59	Mother	—	Wisconsin
50	Hugo Grahn	37	Head	Grinder	Sweden
51	Elizabeth Grahn	35	Wife	Clerical Work	Illinois
52	Eugene Grahn	5	Son	—	Illinois
53	Donald Campbell THIS PERSON	33	Head	Office Clerk	Illinois
54	Katie Campbell	32	Wife	—	Germany
55	Donna Lynn Campbell	6	Daughter	—	Illinois
56	Frank Seifert	40	Head	Cutter	Illinois
57	Minnie Seifert	38	Wife	—	Illinois
58	Raymond Seifert	10	Son	—	Illinois
59	Lorraine Seifert	8	Daughter	—	Illinois
60	Donald Seifert	2	Son	—	Illinois
61	John C. Neusus	56	Head	Farmer	Illinois
62	Alma M. Neusus	49	Wife	—	Illinois
63	Frank Mighell	46	Head	Bookkeeper	Illinois
64	Ethel Mighell	47	Wife	—	Illinois
65	Marie Mighell	8	Daughter	—	Illinois
67	Raymond Schindel	33	Head	Machinist	Illinois
68	Emma Schindel	32	Wife	—	Illinois
69	Dorothy May Schindel	6	Daughter	—	Illinois
76	Floyd Weiss	38	Head	Timekeeper	Illinois
77	Margaret Weiss	40	Wife	Bead Operator	Illinois
78	Kenneth Weiss	9	Son	—	Illinois
79	Jack Weiss	6	Son	—	Illinois
80	John Rakewich	45	Head	Machinist	Poland

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Pedigree Summary

Donald

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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