James Williams — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Jasper-County, Iowa

Our Model Tree links this James Williams across the 1920, 1930 and 1940 US Censuses in Jasper-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 4-person household.

Age 51 b. ~1889 Male Head Born: Nebraska Married

1940 Census Record Details

Census Year	1940
Location	Jasper-County, Iowa
Surname	Williams
Given Name	James L.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Nebraska
1935 Residence (City)	Colfax City
1935 Residence (County)	Jasper
Additional Details
Occupation	Laborer Assembly Room
Industry	Threshing Machine Factory
Class of Worker	PW
Hours Worked	40
Income (1939)	496
Highest Grade	8
1935 Residence	Same Place
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska
Occupation	Laborer Assembly Room
Township / Ward	Colfax City
Est. Birth Year	~1889

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 James	Age	Birth yr
James Williams	Head	—	51	~1889
Dewayne Williams	Son	—	22	~1918
Norman Williams	Son	—	25	~1915
Ruby Williams	Spouse	—	51	~1889

Census Appearances

1920

Jasper, Iowa

Head, age 32

Jasper, Iowa · implied b. ~1888 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Williams
Given Name	James
Relationship to Head	Head
Sex	M
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Nebraska
Father's Birthplace	United States
Mother's Birthplace	United States
Occupation	Laborer
Industry	Common
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska

1930

Jasper, Iowa

Head, age 41

Jasper, Iowa · implied b. ~1889 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Williams
Given Name	James L.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	41
Marital Status	Married
Birthplace	Nebraska
Age at First Marriage	26
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Occupation	Laborer
Industry	Factory
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	1500
Radio Set	R
Veteran	No
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska

1940

Jasper-County, Iowa

Head, age 51

Jasper-County, Iowa · implied b. ~1889 — 4 household members

Surname	Williams
Given Name	James L.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Nebraska
1935 Residence (City)	Colfax City
1935 Residence (County)	Jasper
Occupation	Laborer Assembly Room
Industry	Threshing Machine Factory
Class of Worker	PW
Hours Worked	40
Income (1939)	496
Highest Grade	8
1935 Residence	Same Place
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska

Model Tree

Linked across censuses

Our Model Tree links James 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

James Williams

Head · 1940 · age 51 · b. ~1889 · 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-t0627-01169-00378)

Line	Name	Age	Relation	Occupation	Birthplace
1	Gordon Forsythe	39	Head	Salesman	Iowa
2	Bernadine Forsythe	39	Wife	—	Illinois
3	Priscilla Forsythe	16	Daughter	—	Iowa
4	Gordon J. Forsythe	11	Son	—	Iowa
5	Lenora Forsythe	73	Mother	—	Indiana
6	Paul Forsythe	28	Brother	Armature Winder	Iowa
7	Josephine Forsythe	26	Sister-in-law	—	Iowa
8	Bette Forsythe	5	Sister	—	Iowa
9	John E. Forsythe	4	Nephew	—	Iowa
10	Ray S. Baker	46	Head	Laborer Trucker	Iowa
11	Belva J. Baker	51	Sister	—	Iowa
12	James L. Williams THIS PERSON	51	Head	Laborer Assembly Room	Nebraska
13	Ruby Williams	51	Wife	—	Iowa
14	Norman W. Williams	25	Son	—	Iowa
15	Dewayne M. Williams	22	Son	—	Iowa
16	Edison W. Miller	73	Head	—	Iowa
17	Ester A. Miller	65	Wife	—	Iowa
18	Clarence M. Holmes	36	Head	Laborer	Illinois
19	Daisy Holmes	31	Wife	—	Iowa
20	Richard R. Holmes	13	Son	—	Illinois
21	Donna J. Holmes	10	Daughter	—	Illinois
22	Walter W. Gulling	31	Head	Farmer	Iowa
23	Evelyn J. Gulling	26	Wife	—	Iowa
24	Richard L. Gulling	9	Son	—	Iowa
25	Robert W. Gulling	7	Son	—	Iowa
26	Mary F. Gulling	5	Daughter	—	Iowa
27	Fred W. Roush	75	Head	—	Iowa
28	Mary A. Roush	80	Wife	—	Iowa
29	Charles H. Pugh	37	Head	Lineman	Iowa
30	Vera M. Pugh	38	Wife	—	Iowa
31	Harry H. Cassidy	65	Head	Clerk Of Court	Iowa
32	Minnie L. Cassidy	66	Wife	—	Iowa
33	Howard Cassidy	23	Son	Bus Boy	Iowa
34	Lester S. Martin	43	Head	Barber	Iowa
35	Hazel Martin	42	Wife	—	Illinois
36	James A. Martin	16	Son	Janitor	Iowa
37	Dennis Cahalan	37	Head	Catholic Priest	Ireland
38	Menke, Louise M. Cahalan	24	Housekeeper	Keeper	Iowa
39	Caroline M. Luther	62	Head	—	Nebraska
40	Laura Luther	40	Sister	—	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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