Mary Nelson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Yakima-County, Washington

Our Model Tree links this Mary Nelson across the 1920, 1930 and 1940 US Censuses in Yakima-County, Washington (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 4-person household.

Age 52 b. ~1888 Female Spouse Born: Wyoming Married

1940 Census Record Details

Census Year	1940
Location	Yakima-County, Washington
Surname	Nelson
Given Name	Mary M
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	52
Marital Status	Married
Birthplace	Wyoming
1935 Residence (City)	Yakima City
1935 Residence (County)	Yakima
Additional Details
Income (1939)	0
Highest Grade	No 7
1935 Residence	Same place
Birth State	Wyoming
Birth Country	United States
Birthplace (normalized)	wyoming
Township / Ward	Yakima City
Est. Birth Year	~1888

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 Mary	Age	Birth yr
Audrey Nelson	Daughter	—	21	~1919
Louis Nelson	Head	—	65	~1875
Clifford Nelson	Son	—	23	~1917
Mary Nelson	Spouse	—	52	~1888

Census Appearances

1920

Yakima, Washington

Spouse, age 34

Yakima, Washington · implied b. ~1886 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Nelson
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	34
Marital Status	Married
Birthplace	Wyoming
Father's Birthplace	Norway
Mother's Birthplace	Norway
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Wyoming
Birth Country	United States
Birthplace (normalized)	wyoming

1930

Yakima, Washington

Spouse, age 44

Yakima, Washington · implied b. ~1886 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Nelson
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Wyoming
Age at First Marriage	19
Father's Birthplace	United States
Mother's Birthplace	Missouri
Can Read/Write	Yes
Veteran	No
Birth State	Wyoming
Birth Country	United States
Birthplace (normalized)	wyoming

1940

Yakima-County, Washington

Spouse, age 52

Yakima-County, Washington · implied b. ~1888 — 4 household members

Surname	Nelson
Given Name	Mary M
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	52
Marital Status	Married
Birthplace	Wyoming
1935 Residence (City)	Yakima City
1935 Residence (County)	Yakima
Income (1939)	0
Highest Grade	No 7
1935 Residence	Same place
Birth State	Wyoming
Birth Country	United States
Birthplace (normalized)	wyoming

Model Tree

Linked across censuses

Our Model Tree links Mary 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

Mary Nelson

Spouse · 1940 · age 52 · b. ~1888 · Washington

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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 — Yakima-County, Washington Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-04371-00418)

Line	Name	Age	Relation	Occupation	Birthplace
1	Vivian Mcpherson	19	Step daughter	Housework	Canada-English
2	Louis Nelson	65	Head	Fuel Dealer	Sweden
3	Mary M Nelson THIS PERSON	52	Wife	—	Wyoming
4	Clifford T Nelson	23	Son	Farm Hand	Idaho
5	Audrey M Nelson	21	Daughter	Nurse	Wash
6	Earl Quigley	42	Head	—	Wash
7	Virginia D Quigley	38	Wife	—	Kentucky
8	Harry L Clark	43	Head	Lubricator	Minnesota
9	Lina Clark	42	Wife	Fruit Packer	Kentucky
10	Mildred Clark	18	Daughter	—	Wash
11	Arthur W Day	66	Head	—	Illinois
12	Harry Sheffield	21	Head	Gambler	Missouri
13	Edna M Sheffield	19	Wife	—	Montana
14	Dorothy L Sheffield	0	Daughter	—	Wash
15	Voyle J Eykers	28	Head	Laborer	Arkansas
16	Lorne D Eykers	24	Wife	—	Arkansas
17	William D Eykers	7	Son	—	Arkansas
18	Emma J Eykers	0	Daughter	—	Wash
19	Eliza M Clark	54	Head	—	Indiana
20	Pearl Rowley	58	Head	Seamstress	So. Dakota
21	Volney Rowley	30	Head	Truck Driver	So. Dakota
22	Mona L Rowley	24	Wife	—	Montana
23	Charlotte G Rowley	3	Daughter	—	Wash
24	Valdon A Rowley	2	Son	—	Wash
25	Cecil E Ballard	35	Head	Salesman	California
26	Helen L Ballard	25	Wife	—	Canada-English
27	Reinhold R Rieker	33	Head	Truck Driver	Wash
28	Bertha Rieker	34	Wife	—	No. Dakota
29	Henry Gideon	51	Head	Carman	Russia
30	Lena Gideon	48	Wife	—	Russia
31	Ferdinand Gideon	12	Son	—	Wash
32	Dorothy V Lorance	24	Head	—	Wash
33	Marlene A Lorance	4	Daughter	—	Wash
34	Gary L Lorance	2	Son	—	Wash
35	James W Row	25	Head	Painter	Texas
36	La Veina D Row	21	Wife	—	Wash
37	James M Row	0	Son	—	Oregon
38	Bertha V Pradle	24	Head	—	Wash
39	Shirley A Pradle	3	Daughter	—	Wash
40	Leona F Pradle	0	Daughter	—	Wash

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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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