John Gray — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Tama-County, Iowa

Our Model Tree links this John Gray across the 1920, 1930 and 1940 US Censuses in Tama-County, Iowa (XGBoost, ~Confirmed), with identified parents Homer & Bessie — first a head (b.~1902), then head of a 5-person household.

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

1940 Census Record Details

Census Year	1940
Location	Tama-County, Iowa
Surname	Gray
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Washington
1935 Residence (City)	Toledo Town
1935 Residence (County)	Tama
Additional Details
Occupation	Proprietor
Industry	Retail Grocery
Class of Worker	E
Hours Worked	60
Income (1939)	613
Highest Grade	H 4
1935 Residence	Same House
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington
Occupation	Proprietor
Township / Ward	Toledo Town
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 John	Age	Birth yr
Gloria Gray	Daughter	—	12	~1928
Mary Gray	Daughter	—	7	~1933
John Gray	Head	—	38	~1902
J Gray	Son	—	2	~1938
Irma Gray	Spouse	—	33	~1907

Census Appearances

1920

Tama, Iowa

Son, age 17

Tama, Iowa · implied b. ~1903 — 10 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Gray
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	17
Marital Status	Single
Birthplace	Washington
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

1930

Tama, Iowa

Head, age 27

Tama, Iowa · implied b. ~1903 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Gray
Given Name	John A
Relationship to Head	Head
Sex	M
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Washington
Age at First Marriage	24
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Occupation	Retail Merchant
Industry	Groceries
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	15
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

1940

Tama-County, Iowa

Head, age 38

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

Surname	Gray
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Washington
1935 Residence (City)	Toledo Town
1935 Residence (County)	Tama
Occupation	Proprietor
Industry	Retail Grocery
Class of Worker	E
Hours Worked	60
Income (1939)	613
Highest Grade	H 4
1935 Residence	Same House
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Homer Gray

b. ~1876

Source father

● Household · direct · ~0.92

Mother

Bessie Gray

b. ~1878

Source mother

● Household · direct · ~0.92

This person

Anchor record

John Gray

Head · 1940 · age 38 · b. ~1902 · Iowa

★ You are viewing this record

Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Tama-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01207-00560)

Line	Name	Age	Relation	Occupation	Birthplace
41	Gladys Byram	40	Wife	Teacher	Iowa
42	Max Byram	18	Son	—	Iowa
43	Katherine Byram	14	Daughter	—	Iowa
44	Harry Gray	41	Head	Proprietor	Iowa
45	Lucy Gray	38	Wife	—	Iowa
46	Doris Gray	12	Daughter	—	Iowa
47	Wayne Gray	8	Son	—	Iowa
48	Albert F. Lucas	83	Head	—	Illinois
49	Sarah F. Lucas	81	Wife	—	Iowa
50	Leonard Hokel	39	Head	Proprietor	Iowa
51	Anna Hokel	39	Wife	—	Iowa
52	Harold Hokel	10	Son	—	Iowa
53	Charlotte Hokel	4	Daughter	—	Iowa
54	Bert F. Mowry	69	Head	Laborer	Iowa
55	Emma Mowry	70	Wife	—	Iowa
56	Florence Mowry	33	Daughter	Office Assistant	South Dakota
57	Ral F. Morgan	39	Head	Proprietor	Iowa
58	Violet Morgan	30	Wife	Saleslady	Minnesota
59	Lois Ann Morgan	8	Daughter	—	Iowa
60	Mildred A. Shearman	23	Lodger	Teacher	Iowa
61	Helen E. Stouffer	31	Lodger	Teacher	Iowa
62	Charles Heed	61	Head	Manager	Iowa
63	Mabel Heed	57	Wife	—	Iowa
64	Charles Otterman	59	Head	Accountant	Iowa
65	Elizabeth Otterman	24	Daughter	Maid	Iowa
66	Calista Hufford	77	Head	—	Iowa
67	Alva Appelgate	62	Head	Carpenter	Iowa
68	Lottie Appelgate	52	Wife	—	Iowa
69	Glen Appelgate	30	Son	Body Repair Man	Iowa
70	Twyla Appelgate	17	Daughter	—	Iowa
71	Dwight Appelgate	16	Son	—	Iowa
72	Wanda Appelgate	13	Daughter	—	Iowa
73	Gloria Appelgate	8	Daughter	—	Iowa
74	John Gray THIS PERSON	38	Head	Proprietor	Washington
75	Irma Gray	33	Wife	—	Iowa
76	Gloria Gray	12	Daughter	—	Iowa
77	Mary Francis Gray	7	Daughter	—	Iowa
78	J. Harris Gray	2	Son	—	Iowa
79	Walter Dutton	56	Head	Proprietor	Iowa
80	Myra Dutton	56	Wife	—	Iowa

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Pedigree Summary

John

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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