Donald Stewart — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Washington-County, Iowa

Our Model Tree links this Donald Stewart across the 1920, 1930 and 1940 US Censuses in Washington-County, Iowa (XGBoost, ~Confirmed), with identified parents Warren & Naomi — first a head (b.~1898), then head of a 4-person household.

Age 42 b. ~1898 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Washington-County, Iowa
Surname	Stewart
Given Name	Donald D.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	76 Twp
1935 Residence (County)	Washington
Additional Details
Occupation	Livestock Dealer
Industry	Town
Class of Worker	OA
Hours Worked	60
Highest Grade	C 4
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Livestock Dealer
Township / Ward	76 Twp
Est. Birth Year	~1898

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 Donald	Age	Birth yr
Donald Stewart	Head	—	42	~1898
Ethel Stewart	Spouse	—	42	~1898
Julia Stewart	Daughter	—	3	~1937
Robert Stewart	Son	—	14	~1926

Census Appearances

1920

Washington, Iowa

Son, age 21

Washington, Iowa · implied b. ~1899 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Stewart
Given Name	Donald
Relationship to Head	Son
Sex	M
Color / Race	White
Age	21
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Indiana
Mother's Birthplace	Iowa
Occupation	Stockman
Industry	Feeder & Shipper
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Washington, Iowa

Other, age 32

Washington, Iowa · implied b. ~1898 — 32 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Stewart
Given Name	Donald
Relationship to Head	O
Sex	M
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	27
Father's Birthplace	Indiana
Mother's Birthplace	Iowa
Occupation	Stock Raising
Industry	Stock Raising
Class of Worker	OA
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Washington-County, Iowa

Head, age 42

Washington-County, Iowa · implied b. ~1898 — 4 household members

Surname	Stewart
Given Name	Donald D.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	76 Twp
1935 Residence (County)	Washington
Occupation	Livestock Dealer
Industry	Town
Class of Worker	OA
Hours Worked	60
Highest Grade	C 4
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Warren Stewart

b. ~1847

Source father

● Household · direct · ~0.92

Mother

Naomi Stewart

b. ~1858

Source mother

● Household · direct · ~0.92

This person

Anchor record

Donald Stewart

Head · 1940 · age 42 · b. ~1898 · Iowa

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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 — Washington-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01211-00421)

Line	Name	Age	Relation	Occupation	Birthplace
41	Keith M. Jones	27	Brother	Farmer	Iowa
42	Eva N. Jones	24	Sister-in-law	—	Iowa
43	M. Bella Jones	61	Mother	—	Iowa
44	Donald D. Stewart THIS PERSON	42	Head	Livestock Dealer	Iowa
45	Ethel J. Stewart	42	Wife	—	Iowa
46	Robert A. Stewart	14	Son	—	Iowa
47	Julia Stewart	3	Daughter	—	Iowa
48	W. R. Stewart	52	Head	Livestock Dealer	Iowa
49	Bess M. Stewart	52	Wife	—	Iowa
50	Mary J. Randolph	86	Mother-in-law	—	Iowa
51	Charles W. Kreger	70	Head	Farmer	Iowa
52	Lottie E. Kreger	71	Wife	—	Iowa
53	John Rudolph	66	Head	Farmer	Iowa
54	Mary Nyeung\|Nyung	64	Housekeeper	—	Iowa
55	Emil Fink	50	Head	Farmer	Kansas
56	Gertrude Fink	44	Wife	—	Iowa
57	Ernest Fink	21	Son	Labourer	Iowa
58	Harold Fink	14	Son	—	Iowa
59	Thomas Stevens	29	Hired Man	Labourer	Missouri
60	Albie Heisdorffer	33	Head	Farmer	Iowa
61	Leda Heisdorffer	25	Wife	—	Iowa
62	Eileen Heisdorffer	2	Daughter	—	Iowa
63	Wayne C. Lyle	43	Head	Farmer	Iowa
64	Carola Lyle	44	Wife	—	Iowa
65	Cloyee Innes	23	Hired Man	Labourer	Iowa
66	Frank Mcavoy	60	Head	Farmer	Iowa
67	Mattie L. Mcavoy	49	Wife	—	Iowa
68	Ernest E. Chambers	56	Head	Farmer	Missouri
69	Daisy Chambers	51	Wife	—	Missouri
70	Marjorie Chambers	19	Daughter	—	Iowa
71	Oscar Francis	25	Hired Man	Labourer	Iowa
72	W. A. Romine	57	Head	Farmer	Iowa
73	Blanche Romine	53	Wife	—	Iowa
74	Wilma Romine	21	Daughter	—	Iowa
75	Oren Romine	27	Head	Farmer	Iowa
76	Catherine C. Romine	25	Wife	—	Iowa
77	Amos Rudolph	60	Head	Farmer	Iowa
78	Anton Allen	77	Head	—	Iowa
79	Lena Allen	76	Wife	—	Iowa
80	Christine Allen	51	Daughter	—	Iowa

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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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