Mary Warren — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Pierce-County, Washington

Our Model Tree links this Mary Warren across the 1920, 1930 and 1940 US Censuses in Pierce-County, Washington (XGBoost, ~Confirmed) — first a spouse (b.~1871), then head of a 3-person household.

Age 69 b. ~1871 Female Spouse Born: Norway Married

1940 Census Record Details

Census Year	1940
Location	Pierce-County, Washington
Surname	Warren
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	69
Marital Status	Married
Birthplace	Norway
1935 Residence (City)	Tacoma City
1935 Residence (County)	Pierce
Naturalization Status	Naturalized
Additional Details
Highest Grade	8
1935 Residence	Same house
Birth Country	Norway
Birthplace (normalized)	norway
Township / Ward	Tacoma City
Est. Birth Year	~1871

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
Myrta Warren	Daughter	—	40	~1900
Harvey Warren	Head	—	66	~1874
Mary Warren	Spouse	—	69	~1871

Census Appearances

1920

Pierce, Washington

Spouse, age 49

Pierce, Washington · implied b. ~1871 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Warren
Given Name	Mary A.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Norway
Year of Immigration	1879
Naturalization Status	Naturalized
Father's Birthplace	Norway
Mother's Birthplace	Norway
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Norwegian
Birth Country	Norway
Year of Naturalization	1890
Birthplace (normalized)	norway

1930

Pierce, Washington

Other, age 59

Pierce, Washington · implied b. ~1871 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Warren
Given Name	Mary
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	59
Marital Status	Married
Birthplace	Norway
Naturalization Status	Naturalized
Year of Immigration	1880
Age at First Marriage	28
Father's Birthplace	Norway
Mother's Birthplace	Norway
Can Read/Write	Yes
Mother Tongue	Norwegian
Birth Country	Norway
Birthplace (normalized)	norway

1940

Pierce-County, Washington

Spouse, age 69

Pierce-County, Washington · implied b. ~1871 — 3 household members

Surname	Warren
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	69
Marital Status	Married
Birthplace	Norway
1935 Residence (City)	Tacoma City
1935 Residence (County)	Pierce
Naturalization Status	Naturalized
Highest Grade	8
1935 Residence	Same house
Birth Country	Norway
Birthplace (normalized)	norway

Model Tree

Linked across censuses

Our Model Tree links Mary Warren 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 Warren

Spouse · 1940 · age 69 · b. ~1871 · 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 — Pierce-County, Washington Open full size

Page Contents

35 people indexed on this census page (nara:1940:m-t0627-04388-00299)

Line	Name	Age	Relation	Occupation	Birthplace
41	Dale Myers	1	Son	—	Washington
42	Harvey Warren	66	Head	President	Kansas
43	Mary Warren THIS PERSON	69	Wife	—	Norway
44	Myrta Warren	40	Daughter	Teacher	Washington
46	J. E. Elliott	70	Head	Secretary	Illinois
47	Mattie Elliott	63	Wife	—	Indiana
48	John Elliott	20	Son	—	Washington
49	R. G. Chapman	30	Head	Plumber	Washington
50	Clarice Chapman	24	Wife	—	Washington
51	Patrick Chapman	3	Son	—	Washington
52	John Jorgenson	42	Head	Office Manager	South Dakota
53	Veda Jorgenson	34	Wife	—	Washington
54	John H. Jorgenson	18	Son	—	Washington
55	Earl Jorgenson	14	Son	—	Washington
56	Bruce Jorgenson	10	Son	—	Washington
57	Janet Fanel	77	Mother-in-law	—	Scotland
58	C. O. Bishop	57	Head	Adjuster	New Jersey
59	Vera Bishop	50	Wife	—	Washington
60	Boyd Knicker	24	Son-in-law	Inspector	Alaska
61	Beryl Knicker	22	Daughter	—	Washington
62	Charlene Knicker	0	Granddaughter	—	Washington
63	Wallace Baker	24	Head	Truck Driver	Minnesota
64	Virginia Baker	21	Wife	—	Washington
65	Edwie Person	56	Head	Painter	Sweden
66	Alma Person	57	Wife	—	Sweden
68	Hilda Glans	63	Head	—	Sweden
69	Helen Glans	34	Daughter	Manager	Washington
70	Flora Troup	44	Head	—	Washington
71	Betty Troup	16	Daughter	—	Washington
72	Doris Troup	15	Daughter	—	Washington
74	Chris Henderson	51	Head	Machinist	Ohio
75	Delphina Henderson	43	Wife	—	Minnesota
76	Robert E. Henderson	23	Son	Presser	Washington
77	Richard R. Henderson	17	Son	—	Washington
78	Doris M. Henderson	12	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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