Charles Robertson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Douglas-County, Minnesota

Our Model Tree links this Charles Robertson across the 1920, 1930 and 1940 US Censuses in Douglas-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 5-person household.

Age 66 b. ~1874 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Douglas-County, Minnesota
Surname	Robertson
Given Name	Charles L.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	66
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Douglas
Additional Details
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	70
Income (1939)	0
Highest Grade	5
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Farmer
Township / Ward	Urness Township
Est. Birth Year	~1874

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 Charles	Age	Birth yr
Charles Robertson	Head	—	66	~1874
Wayne Robertson	Son	—	19	~1921
Wallace Robertson	Son	—	19	~1921
Mabel Robertson	Spouse	—	62	~1878
Evelyn Robertson	Other	—	19	~1921

Census Appearances

1920

Douglas, Minnesota

Head, age 45

Douglas, Minnesota · implied b. ~1875 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Robertson
Given Name	Chas G
Relationship to Head	Head
Sex	M
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Iowa
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Occupation	Farmer
Industry	General Farming
Class of Worker	OA
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Scotch
Home Owned/Rented	F
Birth State	Iowa
Birth Country	United States
Year of Naturalization	O
Birthplace (normalized)	iowa

1930

Douglas, Minnesota

Head, age 56

Douglas, Minnesota · implied b. ~1874 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Robertson
Given Name	Charles F.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	56
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	23
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Occupation	Farmer
Industry	General Farm
Class of Worker	O
Can Read/Write	Yes
Home Owned/Rented	O
Veteran	No
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Douglas-County, Minnesota

Head, age 66

Douglas-County, Minnesota · implied b. ~1874 — 5 household members

Surname	Robertson
Given Name	Charles L.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	66
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Douglas
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	70
Income (1939)	0
Highest Grade	5
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

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

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This person

Anchor record

Charles Robertson

Head · 1940 · age 66 · b. ~1874 · 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 — Douglas-County, Minnesota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01919-01002)

Line	Name	Age	Relation	Occupation	Birthplace
1	Oswald H. Oland	46	Head	Farmer	Minnesota
2	Annie Oland	43	Wife	—	Minnesota
3	Merle Oland	17	Daughter	Typist	Minnesota
4	Clinton Oland	16	Son	Assistant Janitor	Minnesota
5	Jeannette Oland	14	Daughter	—	Minnesota
6	Florence Oland	13	Daughter	—	Minnesota
7	Norma Oland	11	Daughter	—	Minnesota
8	Deloris Oland	11	Daughter	—	Minnesota
9	Ardelle Oland	3	Daughter	—	Minnesota
10	Anna L. Brooks	64	Head	—	Denmark
11	Clifford B. Brooks	28	Son	Farmer	Minnesota
12	Charles L. Robertson THIS PERSON	66	Head	Farmer	Iowa
13	Mabel Robertson	62	Wife	—	Iowa
14	Wallace Robertson	19	Son	Farm Laborer	Minnesota
15	Wayne Robertson	19	Son	Farm Laborer	Minnesota
16	Evelyn Robertson	19	Daughter-in-law	—	Minnesota
17	Carl J. Lars	61	Head	Farmer	Minnesota
18	Marie Lars	56	Wife	—	Minnesota
19	Alta Lars	18	Daughter	—	Minnesota
20	Conrad Thompson	31	Laborer	Farm Laborer	Minnesota
21	Peter Barker	55	Head	Farmer	Minnesota
22	Bena Barker	57	Sister	—	Minnesota
23	Palmer Helgeson	30	Laborer	Farm Laborer	Minnesota
24	Irma H. Gilkey	42	Head	Farmer	North Dakota
25	Alice Gilkey	37	Wife	—	Kansas
26	Harold Gilkey	14	Son	—	North Dakota
27	Clarice Gilkey	12	Daughter	—	North Dakota
28	Andrew Haack	42	Head	Farmer	Iowa
29	Anne L. Haack	48	Wife	—	Illinois
30	William A. Haack	16	Son	Farm Laborer	North Dakota
31	Eileen E. Haack	14	Daughter	—	North Dakota
32	Richard L. Haack	12	Son	—	North Dakota
33	Betty Ann Haack	11	Daughter	—	North Dakota
34	Martin Thorson	58	Head	Carpenter	Minnesota
35	Ida Thorson	42	Wife	—	Minnesota
36	Marie Thorson	73	Head	—	Minnesota
37	James Thorson	19	Laborer	Farmer	Minnesota
38	Robert Huse	50	Head	Farmer	Minnesota
39	William F. Jensen	27	Head	Farmer	Minnesota
40	Minnie Jensen	23	Wife	—	Minnesota

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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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