Lillian Thompson — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Columbia-County, Washington

Our Model Tree links this Lillian Thompson across the 1920, 1930 and 1940 US Censuses in Columbia-County, Washington (XGBoost, ~Confirmed), with identified parents John & Anna — first a spouse (b.~1896), then head of a 3-person household.

Age 44 b. ~1896 Female Spouse Born: Washington Married

1940 Census Record Details

Census Year	1940
Location	Columbia-County, Washington
Surname	Thompson
Given Name	Lillian D
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Washington
1935 Residence (City)	Dayton (city)
1935 Residence (County)	Columbia
Additional Details
Class of Worker	H
Highest Grade	H 4
1935 Residence	Same place
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington
Township / Ward	Dayton City
Est. Birth Year	~1896

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 Lillian	Age	Birth yr
Frank Thompson	Head	—	57	~1883
James Thompson	Son	—	15	~1925
Lillian Thompson	Spouse	—	44	~1896

Census Appearances

1920

Columbia, Washington

Daughter, age 24

Columbia, Washington · implied b. ~1896 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thompson
Given Name	Lillian
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	24
Marital Status	Married
Birthplace	Washington
Father's Birthplace	Switzerland
Mother's Birthplace	Switzerland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

1930

Columbia, Washington

Spouse, age 34

Columbia, Washington · implied b. ~1896 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thompson
Given Name	Lillian G.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	34
Marital Status	Married
Birthplace	Washington
Age at First Marriage	19
Father's Birthplace	Switzerland
Mother's Birthplace	Switzerland
Can Read/Write	Yes
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

1940

Columbia-County, Washington

Spouse, age 44

Columbia-County, Washington · implied b. ~1896 — 3 household members

Surname	Thompson
Given Name	Lillian D
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Washington
1935 Residence (City)	Dayton (city)
1935 Residence (County)	Columbia
Class of Worker	H
Highest Grade	H 4
1935 Residence	Same place
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

Model Tree

Model Tree available

Our Model Tree links Lillian Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Haack (~0.92 confidence) and mother Anna Haack (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

John Haack

b. ~1852

Source father

● Household · direct · ~0.92

Mother

Anna Haack

b. ~1859

Source mother

● Household · direct · ~0.92

This person

Anchor record

Lillian Thompson

Spouse · 1940 · age 44 · b. ~1896 · Washington

★ 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 — Columbia-County, Washington Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-04336-00069)

Line	Name	Age	Relation	Occupation	Birthplace
1	Sadie Belieu	40	Wife	—	Oregon
2	Ivan G Belieu	17	Son	—	Oregon
3	Robert Thomas	26	Head	Forester	Washington
4	Ruth Thomas	23	Wife	—	Minnesota
5	Loga Booker	69	Head	—	Missouri
6	Mike Booker	15	Grandson	—	Venezuela
7	James Edwin Brooke	43	Head	Chief Clerk	Colorado
8	Aurolyn Grace Brooke	42	Wife	—	Kansas
9	Bruce Harmon Brooke	12	Son	—	Arkansas
10	Ethel Murphy	45	Lodger	—	Washington
11	Frank Thompson	57	Head	Farmer	Washington
12	Lillian D Thompson THIS PERSON	44	Wife	—	Washington
13	James Thompson	15	Son	—	Washington
14	Arthur Peckham	40	Head	Lineman	Michigan
15	Lela Peckham	36	Wife	—	Oklahoma
16	Gordon Peckham	6	Son	—	Washington
17	Janet Peckham	3	Daughter	—	Washington
18	Thomas Benjamin Long	70	Head	Operator	Missouri
19	Gertrude Long	68	Wife	—	Illinois
20	Mary E Barnard	90	Mother	—	Illinois
21	George Zeir	22	Head	Bookkeeper	Washington
22	Leona Zeir	21	Wife	—	Washington
23	W. C. Marcum	46	Head	Reserve Officer	Kentucky
24	Dora Etta Marcum	35	Wife	—	Kentucky
25	William F Marcum	16	Son	—	Kentucky
26	Eli Sr. Neal	60	Head	Building Contractor	Kansas
27	Myrtle Neal	58	Wife	—	Washington
28	Eli Jr. Neal	26	Son	Accountant	Washington
29	Donald C Rogers	33	Head	Contractor	Oklahoma
30	Thelma Rogers	31	Wife	—	Washington
31	Jean Rogers	5	Daughter	—	Washington
32	Frank F Blair	37	Head	Foreman	Montana
33	Pearl D Blair	34	Wife	—	Montana
34	Emmett Eates	42	Head	Laborer	Washington
35	Eloise Eates	39	Wife	—	Oregon
36	Weldon Matthews	36	Head	Truck Driver	Nebraska
37	Fern Matthews	27	Wife	—	Idaho
38	Victor Danielson	39	Head	Laborer	Washington
39	Thelma Danielson	38	Wife	—	Oregon
40	Vanda Danielson	12	Daughter	—	Washington

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Pedigree Summary

Lillian

Gen 1 · 2 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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