Joseph Mason — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Warren-County, Iowa

Our Model Tree links this Joseph Mason across the 1920, 1930 and 1940 US Censuses in Warren-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 5-person household.

Age 63 b. ~1877 Male Head Born: Nebraska Married

1940 Census Record Details

Census Year	1940
Location	Warren-County, Iowa
Surname	Mason
Given Name	Joseph E.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	63
Marital Status	Married
Birthplace	Nebraska
1935 Residence (City)	R
1935 Residence (County)	Warren
Additional Details
Occupation	Laborer
Industry	Farm
Class of Worker	OA
Hours Worked	52
Highest Grade	No 4
1935 Residence	Iowa
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska
Occupation	Laborer
Township / Ward	Spring Hill
Est. Birth Year	~1877

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 Joseph	Age	Birth yr
Effie Clark	Other	—	56	~1884
Agnes Reed	Daughter	—	25	~1915
Joseph Mason	Head	—	63	~1877
Mamie Mason	Spouse	—	58	~1882
Cletes Reed	Other	—	32	~1908

Census Appearances

1920

Warren, Iowa

Head, age 42

Warren, Iowa · implied b. ~1878 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mason
Given Name	Joseph W
Relationship to Head	Head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Nebraska
Father's Birthplace	Indiana
Mother's Birthplace	Wisconsin
Occupation	Laborer
Industry	Coal Mine
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	O
Home Free/Mortgaged	M
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska

1930

Warren, Iowa

Head, age 53

Warren, Iowa · implied b. ~1877 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mason
Given Name	Joseph A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Nebraska
Age at First Marriage	27
Father's Birthplace	United States
Mother's Birthplace	Wisconsin
Occupation	driver
Industry	school-bus
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	1500
Radio Set	R
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska

1940

Warren-County, Iowa

Head, age 63

Warren-County, Iowa · implied b. ~1877 — 5 household members

Surname	Mason
Given Name	Joseph E.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	63
Marital Status	Married
Birthplace	Nebraska
1935 Residence (City)	R
1935 Residence (County)	Warren
Occupation	Laborer
Industry	Farm
Class of Worker	OA
Hours Worked	52
Highest Grade	No 4
1935 Residence	Iowa
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska

Model Tree

Linked across censuses

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

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This person

Anchor record

Joseph Mason

Head · 1940 · age 63 · b. ~1877 · 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 — Warren-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01210-00095)

Line	Name	Age	Relation	Occupation	Birthplace
41	Nora Richards	59	Alone	—	Iowa
42	Arthur Brand	48	Head	Proprietor	Iowa
43	Lillian Brand	45	Wife	—	Iowa
44	Mary J. (Jo) Brand	20	Daughter	—	Iowa
45	Helen Brand	4	Daughter	—	Iowa
46	Joseph E. Mason THIS PERSON	63	Head	Laborer	Nebraska
47	Mamie Mason	58	Wife	—	Iowa
48	Cletes Reed	32	Son-in-law	Laborer	Iowa
49	Agnes Reed	25	Daughter	—	Iowa
50	Effie Clark	56	Alone	—	Iowa
51	Raymond Hargis	42	Head	Farmer	Iowa
52	Grace Hargis	41	Wife	—	Iowa
53	Ida Mae Hargis	12	Daughter	—	Iowa
54	Billy R. Hargis	5	Son	—	Iowa
55	Lyle Gordon	36	Head	Mechanic	Iowa
56	Beulah Gordon	35	Wife	—	Arkansas
57	Zelma Gordon	15	Daughter	—	Iowa
58	Wilbur Gordon	13	Son	—	Iowa
59	Luella Gordon	10	Daughter	—	Iowa
60	Nancy Gordon	5	Daughter	—	Iowa
61	Dave Sparks	59	Head	—	Missouri
62	Delilah Sparks	50	Wife	Miner	Missouri
63	Jake Sparks	16	Son	—	Iowa
64	Bert Cooper	33	Head	Machinist	Iowa
65	Alice Cooper	33	Wife	—	Iowa
66	Raymond Cooper	10	Son	—	Iowa
67	Elma Joy Cooper	9	Daughter	—	Iowa
68	Raymond Hill	28	Head	Miner	Iowa
69	Mary Hill	23	Wife	—	Iowa
70	Mary Lola Hill	6	Daughter	—	Iowa
71	Lora Mae Hill	4	Daughter	—	Iowa
72	Luther Curtis	46	Head	Laborer	Iowa
73	Myrtle Curtis	38	Wife	—	Iowa
74	Ellen Curtis	20	Daughter	—	Iowa
75	Darrell Curtis	16	Son	—	Iowa
76	Merrill Curtis	14	Son	—	Iowa
77	Stanley Curtis	4	Son	—	Iowa
78	Fred Hill	53	Head	Miner	Iowa
79	Victoria Hill	51	Wife	—	Iowa
80	Harry R. Hill	30	Son	Miner	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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