Margaret Campbell — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Clark-County, Washington

Our Model Tree links this Margaret Campbell across the 1920, 1930 and 1940 US Censuses in Clark-County, Washington (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 4-person household.

Age 60 b. ~1880 Female Spouse Born: Germany Married

1940 Census Record Details

Census Year	1940
Location	Clark-County, Washington
Surname	Campbell
Given Name	Margaret K.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	60
Marital Status	Married
Birthplace	Germany
1935 Residence (City)	Vancouver City
1935 Residence (County)	Clark
Naturalization Status	Naturalized
Additional Details
Highest Grade	No 5
1935 Residence	Same house
Birth Country	Germany
Birthplace (normalized)	germany
Township / Ward	Vancouver City
Est. Birth Year	~1880

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 Margaret	Age	Birth yr
Viola Campbell	Daughter	—	12	~1928
Theodore Campbell	Head	—	68	~1872
Ardie Mecklem	Other	—	22	~1918
Margaret Campbell	Spouse	—	60	~1880

Census Appearances

1920

Clark, Washington

Spouse, age 40

Clark, Washington · implied b. ~1880 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Campbell
Given Name	Maggie B.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	40
Marital Status	Married
Birthplace	Germany
Year of Immigration	1882
Naturalization Status	Naturalized
Father's Birthplace	Germany
Mother's Birthplace	Germany
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Ger
Birth Country	Germany
Birthplace (normalized)	germany

1930

Clark, Washington

Other, age 49

Clark, Washington · implied b. ~1881 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Campbell
Given Name	Maggie
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Germany
Naturalization Status	Naturalized
Year of Immigration	1884
Age at First Marriage	18
Father's Birthplace	Germany
Mother's Birthplace	Germany
Can Read/Write	Yes
Mother Tongue	German
Birth Country	Germany
Birthplace (normalized)	germany

1940

Clark-County, Washington

Spouse, age 60

Clark-County, Washington · implied b. ~1880 — 4 household members

Surname	Campbell
Given Name	Margaret K.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	60
Marital Status	Married
Birthplace	Germany
1935 Residence (City)	Vancouver City
1935 Residence (County)	Clark
Naturalization Status	Naturalized
Highest Grade	No 5
1935 Residence	Same house
Birth Country	Germany
Birthplace (normalized)	germany

Model Tree

Linked across censuses

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

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This person

Anchor record

Margaret Campbell

Spouse · 1940 · age 60 · b. ~1880 · 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 — Clark-County, Washington Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-04335-00117)

Line	Name	Age	Relation	Occupation	Birthplace
1	Robert E. Hunt	11	Son	—	Washington
2	Quincy W. Hunt	27	Son	Truck Driver	Idaho
3	Viola M. Hunt	23	Daughter-in-law	—	Oregon
4	George R. Evans	80	Head	—	Wales
5	Lydia R. Evans	73	Wife	—	Wisconsin
6	Ruby M. Evans	36	Daughter	Teacher	Nebraska
7	Theodore Campbell	68	Head	Real Estate Agent	Washington
8	Margaret K. Campbell THIS PERSON	60	Wife	—	Germany
9	Viola G. Campbell	12	Daughter	—	Washington
10	Ardie Keith Mecklem	22	Lodger	Rivet Heater	Oregon
11	Enumerated Elsewhere	None	—	—	—
12	Enumerated Elsewhere	None	—	—	—
13	Clark C. Mears	27	Head	Salesman	Oklahoma
14	Dorothy L. Mears	24	Wife	—	Oregon
15	Clark E. Mears	2	Son	—	Oregon
16	David R. Hammett	23	Head	Salesman	Washington
17	Harold C. Gerking	23	Partner	Salesman	Oregon
18	Loley L. Henricksen	70	Head	—	Washington
19	Della Henricksen	63	Wife	—	Washington
20	Ruth H. Henricksen	36	Daughter	Teacher	Washington
21	Clyde E. Henricksen	34	Son	Music Teacher	Washington
22	Jens G. Henricksen	65	Head	—	Washington
23	Alice Henricksen	62	Wife	—	Missouri
24	Hannah E. Jewett	71	Head	—	Oregon
25	Elsie K. Jewett	36	Daughter	—	California
26	Ruth Duffy	47	Head	Housekeeper	Montana
27	Myrna E. Vester	20	Daughter	—	Montana
28	Diana L. Vester	1	Granddaughter	—	Washington
29	Marla R. Vester	1	Granddaughter	—	Indiana
30	James B. Duffy	17	Son	New Worker	Montana
31	Joe D. Rutledge	36	Head	Cook	Washington
32	Bessie H. Rutledge	25	Wife	—	Washington
33	Edward Huffsmith	5	Step-son	—	Washington
34	Harry Rutledge	66	Father	—	Illinois
35	Ralph Hood	49	Head	Contractor	Missouri
36	Fannie M. Hood	45	Wife	—	Colorado
37	Ruth F. Hood	15	Daughter	—	Colorado
38	Delphine V. Hood	13	Daughter	—	New Mexico
39	Nell M. Cannon	76	Mother-in-law	—	New York
40	Hugh Mulligan	75	Head	—	California

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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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