Ralph Nelson — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Chisago-County, Minnesota

Our Model Tree links this Ralph Nelson across the 1920, 1930 and 1940 US Censuses in Chisago-County, Minnesota (XGBoost, ~Confirmed), with identified parents Gertrude — first a head (b.~1918), then head of a 3-person household.

Age 22 b. ~1918 Male Head Born: Minnesota Married

1940 Census Record Details

Census Year	1940
Location	Chisago-County, Minnesota
Surname	Nelson
Given Name	Ralph A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	22
Marital Status	Married
Birthplace	Minnesota
1935 Residence (City)	Amador Township
1935 Residence (County)	Chisago
Additional Details
Occupation	Farmer
Industry	General Farming
Class of Worker	OA
Hours Worked	30
Income (1939)	160
Highest Grade	No 7
1935 Residence	Same place
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota
Occupation	Farmer
Township / Ward	Amador Township
Est. Birth Year	~1918

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 Ralph	Age	Birth yr
Leona Nelson	Daughter	—	1	~1939
Eunice Nelson	Spouse	—	20	~1920
Ralph Nelson	Head	—	22	~1918

Census Appearances

1920

Chisago, Minnesota

Son, age 1

Chisago, Minnesota · implied b. ~1919 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Nelson
Given Name	Ralph
Relationship to Head	Son
Sex	M
Color / Race	White
Age	1
Marital Status	Single
Birthplace	Minnesota
Father's Birthplace	Sweden
Mother's Birthplace	Minnesota
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1930

Chisago, Minnesota

Son, age 12

Chisago, Minnesota · implied b. ~1918 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Nelson
Given Name	Ralph A
Relationship to Head	Son
Sex	M
Color / Race	White
Age	12
Marital Status	Single
Birthplace	Minnesota
Father's Birthplace	Sweden
Mother's Birthplace	Minnesota
Can Read/Write	Yes
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1940

Chisago-County, Minnesota

Head, age 22

Chisago-County, Minnesota · implied b. ~1918 — 3 household members

Surname	Nelson
Given Name	Ralph A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	22
Marital Status	Married
Birthplace	Minnesota
1935 Residence (City)	Amador Township
1935 Residence (County)	Chisago
Occupation	Farmer
Industry	General Farming
Class of Worker	OA
Hours Worked	30
Income (1939)	160
Highest Grade	No 7
1935 Residence	Same place
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

Model Tree

Model Tree available

Our Model Tree links Ralph Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Gertrude Nelson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.

Show:

Gen 1 Parents confidence ≈ 0.92

Mother

Gertrude Nelson

b. ~1875

Source mother

● Household · direct · ~0.92

This person

Anchor record

Ralph Nelson

Head · 1940 · age 22 · b. ~1918 · Minnesota

★ 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 — Chisago-County, Minnesota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01913-00518)

Line	Name	Age	Relation	Occupation	Birthplace
41	Gabriel Mattson	77	Head	Farmer	Sweden
42	Madelina Mattson	59	Wife	—	Sweden
43	Clarence L. Mattson	31	Son	Farmer	Minnesota
44	Martin W. Mattson	22	Son	Farm Labor	Minnesota
45	Johnny B. Peterson	14	Nephew	—	Minnesota
46	Nels Nelson	67	Head	Farmer	Wisconsin
47	Gertie J. Nelson	56	Wife	—	Minnesota
48	Emilia Mustrom	76	Mother-in-law	—	Sweden
49	Fred S. Nelson	34	Head	Farmer	Minnesota
50	Esther V. Nelson	31	Wife	—	Minnesota
51	Lorrain R. Nelson	11	Daughter	—	Minnesota
52	Gertrud Nelson	65	Mother	—	Minnesota
53	Ralph A. Nelson THIS PERSON	22	Head	Farmer	Minnesota
54	Eunice J. Nelson	20	Wife	—	Minnesota
55	Leona E. Nelson	1	Daughter	—	Minnesota
56	Frank O. Moquist	66	Head	Farmer	Minnesota
57	Hamphen O. Moquist	24	Son	Farm Labor	Minnesota
58	Wilbert M. Moquist	27	Son	Farm Labor	Minnesota
59	Louie J. Nelson	65	Head	Farmer	Wisconsin
60	Emily Nelson	58	Wife	—	Wisconsin
61	Ethel M. Nelson	32	Daughter	House Work	Minnesota
62	Carl A. Moquist	69	Head	Farmer	Minnesota
63	Newell F. Gill	36	Head	Farmer	Wisconsin
64	Violet R. Gill	33	Wife	—	Minnesota
65	Dwight J. Gill	12	Son	—	Minnesota
66	Eugene L. Gill	9	Son	—	Minnesota
67	Merrell D. Gill	7	Son	—	Minnesota
68	Irene Crosby	79	Head	—	France
69	Marvin L. Johnson	33	Head	Farmer	Minnesota
70	Vivian Johnson	27	Wife	—	Iowa
71	Marvin D. Johnson	6	Son	—	Wisconsin
72	Dale L. Johnson	4	Son	—	Minnesota
73	Marlyn M. Johnson	2	Daughter	—	Minnesota
74	Delno E. Johnson	0	Son	—	Minnesota
75	John J. Mattson	71	Head	Farmer	Sweden
76	Hilda G. Mattson	57	Wife	—	Minnesota
77	Andrew R. Anderson	61	Head	Farmer	Sweden
78	Anna S. Anderson	46	Wife	—	Wisconsin
79	Hattie H. Anderson	28	Daughter	—	Minnesota
80	Joseph E. Rydin	56	Head	Farmer	Sweden

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Pedigree Summary

Ralph

Gen 1 · 1 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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