Mary Lawson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Multnomah-County, Oregon

Our Model Tree links this Mary Lawson across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 3-person household.

Age 49 b. ~1891 Female Spouse Born: Washington Married

1940 Census Record Details

Census Year	1940
Location	Multnomah-County, Oregon
Surname	Lawson
Given Name	Mary C
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Washington
1935 Residence (City)	Portland (City)
1935 Residence (County)	Multnomah
Additional Details
Income (1939)	0
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington
Township / Ward	Portland City
Est. Birth Year	~1891

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 Mary	Age	Birth yr
Lloyd Lawson	Head	—	49	~1891
Cathlin Lawson	Son	—	24	~1916
Mary Lawson	Spouse	—	49	~1891

Census Appearances

1920

Multnomah, Oregon

Spouse, age 29

Multnomah, Oregon · implied b. ~1891 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lawson
Given Name	Mary
Relationship to Head	wife
Sex	F
Color / Race	White
Age	29
Marital Status	Married
Birthplace	Washington
Father's Birthplace	Illinois
Mother's Birthplace	Washington
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

1930

Multnomah, Oregon

Spouse, age 38

Multnomah, Oregon · implied b. ~1892 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lawson
Given Name	Mary C
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Washington
Age at First Marriage	21
Father's Birthplace	Illinois
Mother's Birthplace	Washington
Can Read/Write	Yes
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

1940

Multnomah-County, Oregon

Spouse, age 49

Multnomah-County, Oregon · implied b. ~1891 — 3 household members

Surname	Lawson
Given Name	Mary C
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Washington
1935 Residence (City)	Portland (City)
1935 Residence (County)	Multnomah
Income (1939)	0
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

Model Tree

Linked across censuses

Our Model Tree links Mary Lawson 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 Lawson

Spouse · 1940 · age 49 · b. ~1891 · Oregon

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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 — Multnomah-County, Oregon Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03391-00616)

Line	Name	Age	Relation	Occupation	Birthplace
41	Nancy A Kellaher	14	Daughter	—	Oregon
42	Lloyd S Lawson	49	Head	Representative	Iowa
43	Mary C Lawson THIS PERSON	49	Wife	—	Washington
44	Cathlin L Lawson	24	Son	Credit Work	Oregon
45	John W Sharp	62	Head	—	North Carolina
46	Eugenia W Sharp	59	Wife	—	Ohio
47	Rhea Dana	32	Maid	Maid	Ohio
48	Frank W Burlingham	42	Head	Manager	Minnesota
49	Violet L Burlingham	42	Wife	—	Minnesota
50	Marjorie R Burlingham	17	Daughter	—	Washington
51	Donald J Burlingham	13	Son	—	Oregon
52	J Victor Jones	53	Head	—	Tennessee
53	Marion W Jones	26	Son	Food Broker	Texas
54	Alfred R Johnson	60	Head	Contractor	Denmark
55	Minnie J Johnson	55	Wife	—	Nebraska
56	Katie Schmidt	86	Mother-in-law	—	Pennsylvania
57	—	None	—	—	—
58	Henry E Harris	72	Head	Manager	Oregon
59	Amanda L Harris	61	Wife	—	Wisconsin
60	Irving Rand	43	Head	Lawyer	Oregon
61	Helen Rand	41	Wife	—	Oregon
62	Mary Rand	6	Daughter	—	Oregon
63	Opal M Dunham	21	Student boarder	Maid	Nebraska
64	Katie M Buchanan	71	Head	—	Oregon
65	Lalah P Burtt	55	Lodger	Dressmaker	Oregon
66	Howard H Stuart	49	Head	Clerk	Washington
67	Irene C Stuart	48	Wife	—	Pennsylvania
68	Oscar Burgoyne	55	Head	Locomotive Engineer	Oregon
69	Bess L Burgoyne	51	Wife	—	Oregon
70	Roy C Ketchum	53	Head	Foreman	California
71	Mary Ketchum	82	Mother	Pantry Cook	Illinois
72	Albert N Prustholdt	48	Head	Grocery Salesman	Minnesota
73	Annie Prustholdt	47	Wife	—	Canada
74	Bernice B Prustholdt	21	Daughter	Service Representative	Oregon
75	Albert A Prustholdt	19	Son	Attendant	Canada
76	Emily F Huebner	44	Head	—	Illinois
77	Jeannette K Huebner	20	Daughter	Stenographic Gen. Office	California
78	Bernice H Huebner	15	Daughter	—	Oregon
79	May W Nevill	59	Head	—	Iowa
80	Extra Line	None	—	—	—

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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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