Mary Luce — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · King-County, Washington

Our Model Tree links this Mary Luce across the 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 5-person household.

Age 22 b. ~1918 Female Daughter Born: Washington Single

1940 Census Record Details

Census Year	1940
Location	King-County, Washington
Surname	Luce
Given Name	Mary A.
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	22
Marital Status	Single
Birthplace	Washington
1935 Residence (City)	Seattle City
1935 Residence (County)	King
Additional Details
Occupation	Office Clerk
Industry	Statistical Office
Class of Worker	PW
Hours Worked	40
Income (1939)	266
Highest Grade	H-4
1935 Residence	Same Place
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington
Occupation	Office Clerk
Township / Ward	Seattle City
Est. Birth Year	~1918

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.

5 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Luce	Daughter	—	22	~1918
Margaret Wright	Other	—	22	~1918
Mabel Luce	Spouse	—	50	~1890
Russell Luce	Head	—	52	~1888
Richard Luce	Son	—	18	~1922

Census Appearances

1930

King, Washington

Other, age 12

King, Washington · implied b. ~1918 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Luce
Given Name	Mary A.
Relationship to Head	Granddaughter
Sex	F
Color / Race	White
Age	12
Marital Status	Single
Birthplace	Washington
Father's Birthplace	Mass.
Mother's Birthplace	Colorado
Occupation	none
Can Read/Write	Yes
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

1940

King-County, Washington

Daughter, age 22

King-County, Washington · implied b. ~1918 — 5 household members

Surname	Luce
Given Name	Mary A.
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	22
Marital Status	Single
Birthplace	Washington
1935 Residence (City)	Seattle City
1935 Residence (County)	King
Occupation	Office Clerk
Industry	Statistical Office
Class of Worker	PW
Hours Worked	40
Income (1939)	266
Highest Grade	H-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 Luce across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Luce

Daughter · 1940 · age 22 · b. ~1918 · Washington

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Sibling

Richard Luce

Sibling · 1940 · age 18

Source co-child of head (derived)

● Co-child · derived · ~0.88

Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — King-County, Washington Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-04377-00699)

Line	Name	Age	Relation	Occupation	Birthplace
1	Nellie C. Phillips	59	Head	—	Minnesota
2	Richard N. Phillips	22	Son	Display Man	Washington
3	Andrew Anderson	40	Head	Fisherman	Norway
4	Anna Janet Anderson	38	Wife	—	Montana
5	Betty Louise Anderson	10	Daughter	—	Alaska
6	Paul B. Vogel	45	Lodger	Fisherman	Montana
7	Louis B. Ferrera	56	Head	—	Illinois
8	Edna Mae Ferrera	30	Daughter	Stenographer	Illinois
9	John W. Remington	44	Head	Stationary Engineer	Michigan
10	Hallie Remington	44	Wife	—	Washington
11	Iris Remington	14	Daughter	—	Washington
12	Elmer H. Schroeder	45	Head	Beverage Salesman	Illinois
13	Margaret M. Schroeder	42	Wife	—	Illinois
14	Donald W. Schroeder	18	Son	New Worker	Washington
15	Betty Jane Schroeder	16	Daughter	—	Washington
16	John Lono	65	Head	Machinist	Finland
17	Aina A. Lono	64	Wife	—	Finland
18	James C. Mcdougall	45	Head	Manufacturers Agent	North Dakota
19	Helen Mcdougall	42	Wife	—	Pennsylvania
20	Edith Mcdougall	16	Daughter	—	Washington
21	Martin Mcdougall	10	Son	—	Washington
22	Thomas M. Jansen	55	Head	Culinary Superintendent	Denmark
23	Florence Jansen	51	Wife	—	Michigan
24	Thomas Jansen	5	Son	—	Washington
25	Robert Jansen	3	Son	—	Washington
26	Gertrude Munroe	31	Maid	Maid	California
27	Russell F. Luce	52	Head	Transit Operator	Massachusetts
28	Mabel V. Luce	50	Wife	—	Colorado
29	Mary A. Luce THIS PERSON	22	Daughter	Office Clerk	Washington
30	Richard Luce	18	Son	—	Washington
31	Margaret Wright	22	Lodger	Counter Operator	Washington
32	Norman Fritze	33	Head	General Machinist	Minnesota
33	Mabel Fritze	31	Wife	—	Illinois
34	John Ryason	11	Adopted Son	—	Washington
35	Kirston Q. Lindgren	61	Head	—	Norway
36	Esther Lindgren	37	Daughter	Domestic Worker	Illinois
37	Ruth Lindgren	20	Daughter	—	Washington
38	John G. Fox	73	Head	Sales Manager	Wisconsin
39	Charles G. Schaer	40	Son-in-law	—	Washington
40	Edna M. Schaer	38	Daughter	—	Washington

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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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