Clara Nelson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Pierce-County, North Dakota

Our Model Tree links this Clara Nelson across the 1920, 1930 and 1940 US Censuses in Pierce-County, North Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 4-person household.

Age 55 b. ~1885 Female Spouse Born: Minnesota Married

1940 Census Record Details

Census Year	1940
Location	Pierce-County, North Dakota
Surname	Nelson
Given Name	Clara A.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	55
Marital Status	Married
Birthplace	Minnesota
1935 Residence (City)	Silva
1935 Residence (County)	Pierce
Additional Details
Class of Worker	0
Income (1939)	0
Highest Grade	Hs 1
1935 Residence	Same House
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota
Township / Ward	Silva
Est. Birth Year	~1885

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 Clara	Age	Birth yr
Alfred Nelson	Head	—	60	~1880
Glen Nelson	Son	—	25	~1915
Clara Nelson	Spouse	—	55	~1885
Delores Nelson	Daughter	—	18	~1922

Census Appearances

1920

Pierce, North …

Spouse, age 34

Pierce, North Dakota · implied b. ~1886 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Nelson
Given Name	Clara
Relationship to Head	wife
Sex	F
Color / Race	White
Age	34
Marital Status	Married
Birthplace	Minnesota
Father's Birthplace	Norway
Mother's Birthplace	Norway
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1930

Pierce, North …

Other, age 44

Pierce, North Dakota · implied b. ~1886 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Nelson
Given Name	Clara A.
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Minnesota
Age at First Marriage	20
Father's Birthplace	Norway
Mother's Birthplace	Norway
Occupation	none
Can Read/Write	Yes
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1940

Pierce-County, North …

Spouse, age 55

Pierce-County, North Dakota · implied b. ~1885 — 4 household members

Surname	Nelson
Given Name	Clara A.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	55
Marital Status	Married
Birthplace	Minnesota
1935 Residence (City)	Silva
1935 Residence (County)	Pierce
Class of Worker	0
Income (1939)	0
Highest Grade	Hs 1
1935 Residence	Same House
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

Model Tree

Linked across censuses

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

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This person

Anchor record

Clara Nelson

Spouse · 1940 · age 55 · b. ~1885 · North Dakota

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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 — Pierce-County, North Dakota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03009-00570)

Line	Name	Age	Relation	Occupation	Birthplace
1	William H. Romine	44	Head	Farmer	Missouri
2	Gladys Romine	37	Wife	Postmistress	N. Dak.
3	Patricia Ann Romine	8	Daughter	—	North Dakota
4	Perry Curtis Romine	7	Son	—	North Dakota
5	Shirley Mae Romine	5	Daughter	—	North Dakota
6	Louis Jaeger	23	Lodger	Merchant	North Dakota
7	Mathilda Midttown	45	Lodger	Teacher	North Dakota
8	Ingrid Midttown	29	Lodger	Teacher	North Dakota
9	Martha Kirkiede	25	Lodger	Teacher	North Dakota
10	Christ Grumrud	60	Lodger	Farmer-Merchant	Norway
11	David Romine	72	Head	—	Illinois
12	Emma Romine	65	Wife	—	Kentucky
13	Myrtle Romine	30	Daughter	Teacher	North Dakota
14	Dorothy Needham	35	Head	House Wife	North Dakota
15	Donna Mae Needham	15	Daughter	—	North Dakota
16	La Vaughn Needham	10	Son	—	North Dakota
17	Don Charles Needham	6	Son	—	North Dakota
18	William Romine	35	Head	Merchant	North Dakota
19	Milvia Romine	42	Wife	Merchant	North Dakota
20	Boyd Romine	8	Son	—	North Dakota
21	Jeanette Romine	6	Daughter	—	North Dakota
22	Maurice Nelson	30	Head	Manager	North Dakota
23	Clara Nelson	29	Wife	—	North Dakota
24	Gustave Paulson	64	Head	Carpenter	Norway
25	Vertina Paulson	61	Wife	—	Minnesota
26	Eileen Paulson	25	Daughter	Teacher	North Dakota
27	Alfred Nelson	60	Head	Telegrapher	Minnesota
28	Clara A. Nelson THIS PERSON	55	Wife	—	Minnesota
29	Glen Nelson	25	Son	Clerk	Minnesota
30	Delores Nelson	18	Daughter	—	North Dakota
31	Susie Olson	63	Head	—	Wisconsin
32	Conrad Mongeon	47	Head	Merchant	North Dakota
33	Della Mongeon	42	Wife	—	Missouri
34	Deloris Mongeon	9	Daughter	—	North Dakota
35	Frank Richardson	67	Head	Janitor	Indiana
36	Ollie Richardson	64	Wife	—	Illinois
37	Kathryn Waffart	26	Head	—	North Dakota
38	Harold Waffart	5	Son	—	North Dakota
39	Charles Smith	60	Head	Farmer	Indiana
40	Julia Smith	55	Wife	—	Indiana

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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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