John Mason — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Chippewa-County, Minnesota

Our Model Tree links this John Mason across the 1920, 1930 and 1940 US Censuses in Chippewa-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 4-person household.

Age 62 b. ~1878 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Chippewa-County, Minnesota
Surname	Mason
Given Name	John M.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	62
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Montevideo City
1935 Residence (County)	Chippewa
Additional Details
Occupation	Minister
Industry	Church
Class of Worker	PW
Hours Worked	52
Income (1939)	2300
Highest Grade	C-5
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Minister
Township / Ward	Montevideo City
Est. Birth Year	~1878

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 John	Age	Birth yr
John Mason	Head	—	62	~1878
Robert Mason	Son	—	20	~1920
George Mason	Son	—	22	~1918
Martha Mason	Spouse	—	44	~1896

Census Appearances

1920

Chippewa, Minnesota

Head, age 42

Chippewa, Minnesota · implied b. ~1878 — 10 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mason
Given Name	John M.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Iowa
Father's Birthplace	Norway
Mother's Birthplace	Iowa
Occupation	minister
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Nor.
Home Owned/Rented	R
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Chippewa, Minnesota

Head, age 52

Chippewa, Minnesota · implied b. ~1878 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mason
Given Name	John M
Relationship to Head	Head
Sex	M
Color / Race	White
Age	52
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	23
Father's Birthplace	Norway
Mother's Birthplace	Illinois
Occupation	Clergyman
Industry	Lutheran
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	40
Radio Set	R
Veteran	No
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Chippewa-County, Minnesota

Head, age 62

Chippewa-County, Minnesota · implied b. ~1878 — 4 household members

Surname	Mason
Given Name	John M.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	62
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Montevideo City
1935 Residence (County)	Chippewa
Occupation	Minister
Industry	Church
Class of Worker	PW
Hours Worked	52
Income (1939)	2300
Highest Grade	C-5
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

Our Model Tree links John 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

John Mason

Head · 1940 · age 62 · b. ~1878 · Minnesota

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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 — Chippewa-County, Minnesota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01913-00341)

Line	Name	Age	Relation	Occupation	Birthplace
1	Ramon, Florence Camill	46	Wife	Saleslady	Iowa
2	Phyllis M. Camill	18	Daughter	—	Minnesota
3	Adeline L. Zanke	34	Lodger	Egg Candler	Minnesota
4	Arthur H. Gernand	27	Head	Bulk Agent	Kansas
5	Frances M. Gernand	25	Wife	—	Minnesota
6	Lyndon W. Gernand	2	Son	—	Minnesota
7	Ray E. Arnold	32	Head	Civil Engineer	Minnesota
8	Esther C. Arnold	29	Wife	—	Minnesota
9	Jean G. Arnold	9	Son	—	Minnesota
10	Paul E. Arnold	6	Son	—	Minnesota
11	Virginia B. Arnold	2	Daughter	—	Minnesota
12	Clarence L. Larson	38	Head	General Foreman	Minnesota
13	Myrtle D. Larson	37	Wife	—	Minnesota
14	Elmer L. Peterson	33	Head	Milk Butter	Minnesota
15	Gertrude M. Peterson	27	Wife	—	Minnesota
16	Ronald E. Peterson	4	Son	—	Minnesota
17	Margaret C. Peterson	1	Daughter	—	Minnesota
18	Peter Jacobson	69	Head	Blacksmith	Minnesota
19	Mary F. Jacobson	67	Wife	—	Iowa
20	James E. Frye	85	Lodger	—	Wisconsin
21	Gustav N. Holte	39	Head	Blacksmith	Norway
22	Mina J. Holte	36	Wife	—	Minnesota
23	Florence M. Holte	11	Daughter	—	Minnesota
24	Fred E. Andahl	43	Lodger	Cement Mason	Minnesota
25	Morris F. Hall	33	Head	Assistant	South Dakota
26	Dorothy E. Hall	24	Wife	—	Minnesota
27	Gaylord E. Stenglein	25	Head	Salesman	Minnesota
28	Alice V. Stenglein	24	Wife	—	Minnesota
29	Harry R. Hall	47	Head	Salesman	Iowa
30	Martha Q. Hall	46	Wife	—	South Dakota
31	Douglas F. Hall	18	Son	Teller	South Dakota
32	Margie M. Hall	11	Daughter	—	South Dakota
33	John M. Mason THIS PERSON	62	Head	Minister	Iowa
34	Martha J. Mason	44	Wife	—	Iowa
35	George S. Mason	22	Son	—	Minnesota
36	Robert C. Mason	20	Son	—	Minnesota
37	Richard R. Indergard	26	Head	Salesman	North Dakota
38	Marcella M. Indergard	25	Wife	—	Minnesota
39	Clarence A. Rolloff	33	Head	Lawyer	Minnesota
40	A. Evelyn Rolloff	35	Wife	—	Wisconsin

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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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