James Gray — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Des-Moines-County, Iowa

Our Model Tree links this James Gray across the 1920, 1930 and 1940 US Censuses in Des-Moines-County, Iowa (XGBoost, ~Confirmed), with identified parents J & Mary — first a head (b.~1908), then head of a 3-person household.

Age 32 b. ~1908 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Des-Moines-County, Iowa
Surname	Gray
Given Name	James P.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Des Moines
1935 Residence (County)	Polk
Additional Details
Occupation	Assistant Superintendent
Industry	Upholstery Shop
Class of Worker	PW
Hours Worked	50
Income (1939)	2000
Highest Grade	H-4
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Assistant Superintendent
Township / Ward	Burlington
Est. Birth Year	~1908

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 James	Age	Birth yr
James Gray	Head	—	32	~1908
James Gray	Son	—	4	~1936
Irene Gray	Spouse	—	31	~1909

Census Appearances

1920

Henry, Iowa

Son, age 11

Henry, Iowa · implied b. ~1909 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Gray
Given Name	James P.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	11
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Indiana
Mother's Birthplace	Iowa
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Henry, Iowa

Son, age 22

Henry, Iowa · implied b. ~1908 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Gray
Given Name	James P.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	22
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Indiana
Mother's Birthplace	Iowa
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Des-Moines-County, Iowa

Head, age 32

Des-Moines-County, Iowa · implied b. ~1908 — 3 household members

Surname	Gray
Given Name	James P.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Des Moines
1935 Residence (County)	Polk
Occupation	Assistant Superintendent
Industry	Upholstery Shop
Class of Worker	PW
Hours Worked	50
Income (1939)	2000
Highest Grade	H-4
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

J Gray

b. ~1877

Source father

● Household · direct · ~0.92

Mother

Mary Gray

b. ~1881

Source mother

● Household · direct · ~0.92

This person

Anchor record

James Gray

Head · 1940 · age 32 · b. ~1908 · 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 — Des-Moines-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01156-00561)

Line	Name	Age	Relation	Occupation	Birthplace
1	George H. Cochran	42	Head	Fireman	Kansas
2	Anne Cochran	44	Wife	—	Kansas
3	Amee Cochran	15	Daughter	—	Illinois
4	Jean Cochran	14	Daughter	—	Illinois
5	Anna Morland	63	Head	—	Iowa
6	Katherine Morland	30	Daughter	Secretary	Iowa
7	Mary Van Den Berg	47	Head	—	Iowa
8	Richard Van Den Berg	12	Son	—	Iowa
9	Katherine Brockelman	77	Mother	—	Iowa
10	Cleo Milton	50	Head	Mechanic	Illinois
11	Leata Milton	49	Wife	—	Iowa
12	Anna Scott	77	Head	—	Illinois
13	Carroll Burcham	51	Head	Janitor	Missouri
14	Lilly Burcham	52	Wife	—	Iowa
15	Ralph A. Davis	42	Head	Signal Maintainer	Iowa
16	Mae Davis	45	Wife	—	Iowa
17	Raymond Davis	23	Son	Flagman	Iowa
18	George R. Theingert	34	Head	Switchman	Iowa
19	Gertrude Theingert	31	Wife	—	Iowa
20	George J. Theingert	5	Son	—	Iowa
21	Gundala Popp	67	Mother-in-law	—	Austria
22	George Killinger	49	Head	Register	Iowa
23	Florence Killinger	44	Wife	—	Iowa
24	Ruth Killinger	23	Daughter	—	Iowa
25	Howard Killinger	14	Son	—	Iowa
26	Lloyd Huff	35	Lodger	Construction Inspector	Iowa
27	George Henley	58	Head	Meat Cutter	Illinois
28	Clara F. Henley	55	Wife	—	Ohio
29	Florence Henley	28	Daughter	—	Illinois
30	Peter P. Theerich	75	Head	—	Ohio
31	Lucy Theerich	73	Wife	—	Iowa
32	Stephen Northrup	60	Head	Machinist	Iowa
33	Edith Northrup	59	Wife	—	Iowa
34	Marie Gerde	85	Head	—	Denmark
35	James P. Gray THIS PERSON	32	Head	Assistant Superintendent	Iowa
36	Irene Gray	31	Wife	—	Iowa
37	James Gray	4	Son	—	Iowa
38	A. Gordon Sanders	54	Head	Buyer	Iowa
39	Betty J. Sanders	51	Wife	—	Iowa
40	Stanley Sanders	16	Son	—	Iowa

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Pedigree Summary

James

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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