William Schroeder — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Scott-County, Iowa

Our Model Tree links this William Schroeder across the 1920, 1930 and 1940 US Censuses in Scott-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1902), then head of a 5-person household.

Age 38 b. ~1902 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Scott-County, Iowa
Surname	Schroeder
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Some Place
1935 Residence (County)	Some Place
Additional Details
Occupation	City Fireman
Industry	City of Davenport
Class of Worker	GW
Hours Worked	64
Income (1939)	1900
Highest Grade	No 8
1935 Residence	Some Place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	City Fireman
Township / Ward	Davenport City
Est. Birth Year	~1902

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.

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

Name	Relation to head	Relative to William	Age	Birth yr
Lavonne Schroeder	Daughter	—	6	~1934
William Schroeder	Head	—	38	~1902
Willie Schroeder	Son	—	4	~1936
Leo Schroeder	Son	—	8	~1932
Leona Schroeder	Spouse	—	35	~1905

Census Appearances

1920

Scott, Iowa

Other, age 17

Scott, Iowa · implied b. ~1903 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Schroeder
Given Name	Willie
Relationship to Head	Boarder
Sex	M
Color / Race	White
Age	17
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Germany
Mother's Birthplace	Iowa
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Scott, Iowa

Head, age 28

Scott, Iowa · implied b. ~1902 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Schroeder
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	22
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Fireman
Industry	City
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	25
Radio Set	no
Veteran	No
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Scott-County, Iowa

Head, age 38

Scott-County, Iowa · implied b. ~1902 — 5 household members

Surname	Schroeder
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Some Place
1935 Residence (County)	Some Place
Occupation	City Fireman
Industry	City of Davenport
Class of Worker	GW
Hours Worked	64
Income (1939)	1900
Highest Grade	No 8
1935 Residence	Some Place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

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

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This person

Anchor record

William Schroeder

Head · 1940 · age 38 · b. ~1902 · 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 — Scott-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01202-00676)

Line	Name	Age	Relation	Occupation	Birthplace
1	Jacob H Jepsen	27	Head	Lawyer	Iowa
2	Juaneta Jepsen	25	Wife	—	Iowa
3	John Kleuer	75	Head	—	Germany
4	Elsie Gorgensen	52	Daughter	—	Iowa
5	Robert Gorgensen	21	Grandson	—	Iowa
6	Gustaf Thresh	81	Head	—	Iowa
7	Alvena Thresh	74	Wife	—	Iowa
8	Rosie Butters	65	Head	—	Iowa
9	Maud Butters	37	Daughter	—	Iowa
10	John Venes	65	Head	—	Holland
11	Elizabeth Venes	67	Wife	—	Iowa
12	Cecelia Venes	29	Daughter	Stenographer	Iowa
13	Peter Stoltenberg	78	Head	—	Iowa
14	Alvina Kronenberg	57	Head	—	Iowa
15	Anna Odenbeck	84	Mother	—	Germany
16	Adolph Steffen	54	Head	—	Iowa
17	Raymond Steffen	24	Son	Machine Helper	Iowa
18	Martha Steffen	53	Wife	—	Iowa
19	Henry A Link	71	Head	—	Iowa
20	Alfred Link	41	Son	—	Iowa
21	Adolph Arp	76	Head	—	Iowa
22	Raymond Arp	46	Son	Machine Operator	Iowa
23	Walter Arp	43	Son	Salesman	Iowa
24	Clysta Arp	44	Daughter in law	—	Iowa
25	Shirley Arp	3	Grand daughter	—	Iowa
26	William Schneekloth	65	Head	—	Iowa
27	William Schroeder THIS PERSON	38	Head	City Fireman	Iowa
28	Leona Schroeder	35	Wife	—	Iowa
29	Leo Schroeder	8	Son	—	Iowa
30	Lavonne Schroeder	6	Daughter	—	Iowa
31	Willie Schroeder	4	Son	—	Iowa
32	—	None	—	—	—
33	August Sorensen	40	Head	Brick Layer	Germany
34	Catherine Sorensen	35	Wife	—	Germany
35	Henry Sorensen	11	Son	—	Iowa
36	Mary Ann Sorensen	8	Daughter	—	Iowa
37	Dorothy Sorensen	3	Daughter	—	Iowa
38	John A Emelbreit	50	Head	Night Watchman	Wisconsin
39	Ida Emelbreit	47	Wife	—	Wisconsin
40	Edward Hansen	41	Head	City Fireman	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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