Roy Williams — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Jasper-County, Iowa

Our Model Tree links this Roy Williams across the 1920, 1930 and 1940 US Censuses in Jasper-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 4-person household.

Age 43 b. ~1897 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Jasper-County, Iowa
Surname	Williams
Given Name	Roy
Relationship to Head	Head
Sex	M
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Kellogg Town
1935 Residence (County)	Jasper
Additional Details
Occupation	Trucker
Industry	Own Truck
Class of Worker	OA
Hours Worked	48
Income (1939)	420
Highest Grade	No 8
1935 Residence	Same house
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Trucker
Township / Ward	Kellogg Town
Est. Birth Year	~1897

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 Roy	Age	Birth yr
Roy Williams	Head	—	43	~1897
Delmar Cooper	Other	—	35	~1905
Robert Williams	Son	—	14	~1926
Bula Williams	Spouse	—	38	~1902

Census Appearances

1920

Jasper, Iowa

Head, age 22

Jasper, Iowa · implied b. ~1898 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Williams
Given Name	Roy
Relationship to Head	Head
Sex	M
Color / Race	White
Age	22
Marital Status	Married
Birthplace	Iowa
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Occupation	Farm laborer
Industry	Working out
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Jasper, Iowa

Head, age 33

Jasper, Iowa · implied b. ~1897 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Williams
Given Name	Roy
Relationship to Head	Head
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	22
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Occupation	Farmer
Industry	General Farm
Class of Worker	E
Can Read/Write	Yes
Home Owned/Rented	R
Radio Set	R
Veteran	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Jasper-County, Iowa

Head, age 43

Jasper-County, Iowa · implied b. ~1897 — 4 household members

Surname	Williams
Given Name	Roy
Relationship to Head	Head
Sex	M
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Kellogg Town
1935 Residence (County)	Jasper
Occupation	Trucker
Industry	Own Truck
Class of Worker	OA
Hours Worked	48
Income (1939)	420
Highest Grade	No 8
1935 Residence	Same house
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

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

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This person

Anchor record

Roy Williams

Head · 1940 · age 43 · b. ~1897 · 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 — Jasper-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01169-00255)

Line	Name	Age	Relation	Occupation	Birthplace
1	Ema Estabrook	53	wife	Partner	Iowa
2	Albert Burton	48	Head	Metal Stamper	Kentucky
3	Dora Burton	40	wife	—	Kentucky
4	Ervin Burton	19	son	Press Operator	Iowa
5	Mabel Burton	17	daughter	—	Iowa
6	Edith Mae Burton	14	daughter	—	Iowa
7	June Shoemaker	38	Head	—	Tennessee
8	Dwight Shoemaker	22	son	Painter	Iowa
9	Florida Huston	65	Head	—	Tennessee
10	Grace Bates	44	Head	—	Tennessee
11	Ralph Bates	22	son	Laborer	Iowa
12	Robert Bates	18	son	Press Worker	Iowa
13	Helen Bates	16	daughter	—	Iowa
14	Glen Richards	20	Head	Press Operator	Iowa
15	Lucille Richards	19	wife	—	Iowa
16	Burt Faircloth	72	Head	Fireman	Iowa
17	Loren Richardson	32	Head	Deputy Sheriff	Iowa
18	Lela Richardson	29	wife	Operator	Iowa
19	F. T. Hammer	71	Head	Barber	Iowa
20	Alice Hammer	70	wife	—	Iowa
21	Roy Williams THIS PERSON	43	Head	Trucker	Iowa
22	Bula Williams	38	wife	—	Iowa
23	Robert Williams	14	son	—	Iowa
24	Delmar Cooper	35	lodger	Laborer	Iowa
25	Thomas Holmes	48	Head	Metal Cutter	Iowa
26	Lena Holmes	48	wife	—	Nebraska
27	Dwain Holmes	9	son	—	Iowa
28	Rodell Meyer	31	Head	Salesman	Iowa
29	Colan Meyer	31	wife	—	Iowa
30	Dwight Meyer	10	son	—	Iowa
31	Jerry Meyer	1	son	—	Iowa
32	A. J. Lepard	75	Head	Janitor	Canada
33	Edna Lepard	65	wife	—	Iowa
34	W. T. Vandeventer	76	Head	—	Virginia
35	Sarah Vandeventer	79	wife	—	Kentucky
36	R. E. Mortenson	43	Head	Truck Driver	Iowa
37	Lillie Mortenson	47	wife	—	Kentucky
38	Dwayne Mortenson	9	son	—	Iowa
39	Dwight Mortenson	9	son	—	Iowa
40	Dale Mortenson	6	son	—	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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