Eugene Smith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Black-Hawk-County, Iowa

Our Model Tree links this Eugene Smith across the 1920, 1930 and 1940 US Censuses in Black-Hawk-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 3-person household.

Age 70 b. ~1870 Male Head Born: New York Married

1940 Census Record Details

Census Year	1940
Location	Black-Hawk-County, Iowa
Surname	Smith
Given Name	Eugene
Relationship to Head	Head
Sex	M
Color / Race	White
Age	70
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Cedar Falls City
1935 Residence (County)	Black Hawk
Additional Details
Occupation	Salesman
Industry	Insurance
Class of Worker	PW
Income (1939)	500
Highest Grade	No 8
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Occupation	Salesman
Township / Ward	Cedar Falls City
Est. Birth Year	~1870

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 Eugene	Age	Birth yr
Eugene Smith	Head	—	70	~1870
Sheldon Smith	Son	—	35	~1905
Elsie Smith	Spouse	—	59	~1881

Census Appearances

1920

Black Hawk, …

Head, age 49

Black Hawk, Iowa · implied b. ~1871 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Eugene
Relationship to Head	Head
Sex	M
Color / Race	White
Age	49
Marital Status	Married
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Occupation	Agent
Industry	Insurance
Class of Worker	OA
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Black Hawk, …

Head, age 59

Black Hawk, Iowa · implied b. ~1871 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Eugene
Relationship to Head	Head
Sex	M
Color / Race	White
Age	59
Marital Status	Married
Birthplace	New York
Age at First Marriage	43
Father's Birthplace	New York
Mother's Birthplace	New York
Occupation	Agent
Industry	Insurance
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	10000
Radio Set	R
Veteran	No
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Black-Hawk-County, Iowa

Head, age 70

Black-Hawk-County, Iowa · implied b. ~1870 — 3 household members

Surname	Smith
Given Name	Eugene
Relationship to Head	Head
Sex	M
Color / Race	White
Age	70
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Cedar Falls City
1935 Residence (County)	Black Hawk
Occupation	Salesman
Industry	Insurance
Class of Worker	PW
Income (1939)	500
Highest Grade	No 8
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links Eugene Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Eugene Smith

Head · 1940 · age 70 · b. ~1870 · 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 — Black-Hawk-County, Iowa Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-01139-00306)

Line	Name	Age	Relation	Occupation	Birthplace
41	Cecil Downing	35	Head	Pressman	Iowa
42	Iona Downing	32	Wife	—	Iowa
43	Agnes B. Cole	63	Head	Teacher (Art College)	Illinois
44	C. B. Martin	51	Head	Salesman	Iowa
45	Laura Martin	48	Wife	—	Iowa
46	Janet Martin	15	Daughter	—	Iowa
47	Collin Martin	20	Son	Occupation	Iowa
48	D. H. Moss	47	Head	Manager	Iowa
49	Frances Moss	45	Wife	—	Nebraska
50	Barbara Moss	21	Daughter	—	Iowa
51	Marilyn Moss	13	Daughter	—	Iowa
52	Laura Morgensen	62	Head	—	Denmark
53	Glenn Morgensen	30	Son	Manager	Iowa
54	Paul Morgensen	28	Son	Clerk	Iowa
55	Dorothy Mae Morgensen	24	Daughter	Maid	Iowa
56	Mary Elizabeth Morgensen	21	Daughter	Ticket Girl	Iowa
57	Donald Wm. Trunnell	35	Head	Salesman	Kansas
58	Millibelle Trunnell	26	Wife	Sewing	Canada (English)
59	Nava Trunnell	9	Daughter	—	Iowa
60	Dona Lee Trunnell	7	Daughter	—	Iowa
61	Donald Wm. Jr. Trunnell	4	Son	—	Iowa
62	Gary Trunnell	2	Son	—	Iowa
63	Allison Jay Holmes	58	Head	Line Man	Illinois
64	Elsa Holmes	41	Wife	—	Iowa
65	June Ann Holmes	15	Daughter	—	Iowa
66	Lola Fern Holmes	9	Daughter	—	Iowa
67	George Hardy	28	Head	Substitute Clerk	Iowa
68	Helen Hardy	26	Wife	—	Iowa
69	Georgeane Hardy	1	Daughter	—	Iowa
71	Charles B. Santy	75	Head	Real Estate	Iowa
72	Lulu P. Santy	70	Wife	—	Iowa
73	John W. Knickerbocker	66	Head	Salesman	Canada (English)
74	Laura Bell Knickerbocker	66	Wife	—	New Jersey
75	Alan Bleise	27	Head	Science Teacher	Iowa
76	Margaret E. Bleise	26	Wife	—	Iowa
77	Eugene Smith THIS PERSON	70	Head	Salesman	New York
78	Elsie Smith	59	Wife	—	Pennsylvania
79	Sheldon Smith	35	Son	Miscellaneous	North Dakota
80	Alta Taylor	66	Head	—	Iowa

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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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