Mary Long — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Hennepin-County, Minnesota

Our Model Tree links this Mary Long across the 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 5-person household.

Age 54 b. ~1886 Female Spouse Born: England Married

1940 Census Record Details

Census Year	1940
Location	Hennepin-County, Minnesota
Surname	Long
Given Name	Mary Agnes
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	54
Marital Status	Married
Birthplace	England
1935 Residence (City)	Minneapolis
1935 Residence (County)	Hennepin
Naturalization Status	Naturalized
Additional Details
Occupation	Elevator Opr
Industry	Retail Dept Store
Class of Worker	PW
Hours Worked	48
Highest Grade	No 8
1935 Residence	Same House
Birth Country	England
Birthplace (normalized)	england
Occupation	Elevator Opr
Township / Ward	Minneapolis
Est. Birth Year	~1886

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 Long	Daughter	—	25	~1915
Margaret Long	Daughter	—	22	~1918
Thomas Long	Head	—	56	~1884
Thomas Long	Son	—	25	~1915
Mary Long	Spouse	—	54	~1886

Census Appearances

1920

Hennepin, Minnesota

Spouse, age 34

Hennepin, Minnesota · implied b. ~1886 — 10 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Long
Given Name	Mary A.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	34
Marital Status	Married
Birthplace	England
Year of Immigration	1910
Naturalization Status	Naturalized
Father's Birthplace	England
Mother's Birthplace	England
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	England
Year of Naturalization	1915
Birthplace (normalized)	england

1930

Hennepin, Minnesota

Spouse, age 44

Hennepin, Minnesota · implied b. ~1886 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Long
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	England
Naturalization Status	un
Father's Birthplace	England
Mother's Birthplace	England
Occupation	none
Can Read/Write	Yes
Mother Tongue	English
Birth Country	England
Birthplace (normalized)	england

1940

Hennepin-County, Minnesota

Spouse, age 54

Hennepin-County, Minnesota · implied b. ~1886 — 5 household members

Surname	Long
Given Name	Mary Agnes
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	54
Marital Status	Married
Birthplace	England
1935 Residence (City)	Minneapolis
1935 Residence (County)	Hennepin
Naturalization Status	Naturalized
Occupation	Elevator Opr
Industry	Retail Dept Store
Class of Worker	PW
Hours Worked	48
Highest Grade	No 8
1935 Residence	Same House
Birth Country	England
Birthplace (normalized)	england

Model Tree

Linked across censuses

Our Model Tree links Mary Long 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 Long

Spouse · 1940 · age 54 · b. ~1886 · Minnesota

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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 — Hennepin-County, Minnesota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01980-00413)

Line	Name	Age	Relation	Occupation	Birthplace
41	Betty Jean Crosby	9	Daughter	—	Colorado
42	Mattie L. Olson	50	Head	Saleslady	North Dakota
43	Howard G. Olson	28	Son	Truck Driver	South Dakota
44	Donald L. Olson	23	Son	Order Clerk	North Dakota
45	Harold J. Kinseth	24	Head	Asst Buyer	Minnesota
46	Marjorie Kinseth	21	Wife	—	Wisconsin
47	Curtis O. Placek	30	Head	Owner	Minnesota
48	Thyra C. Placek	31	Wife	—	Sweden
49	Richard C. Placek	7	Son	—	Minnesota
50	John W. Isker	38	Head	Owner	Minnesota
51	Evelyn Isker	33	Wife	Private Secy	Minnesota
52	Richard J. Carlson	28	Head	Plumber	Minnesota
53	Bernice L. Carlson	20	Wife	—	Wisconsin
54	Sharron G. Carlson	0	Daughter	—	Minnesota
55	Nels Nelson	54	Head	Elev Opr	Sweden
56	Charlotte Nelson	64	Wife	—	Sweden
57	Philip L. Hanson	31	Son-in-law	Farm Hand	Minnesota
58	Hazel Hanson	25	Daughter	Maid	Minnesota
59	William C. Rodolphi	27	Head	Linotype Operator	Minnesota
60	Rose A. Rodolphi	27	Wife	Office Clerk	Minnesota
61	Thomas J. Long	56	Head	Owner	England
62	Mary Agnes Long THIS PERSON	54	Wife	Elevator Opr	England
63	Mary Agnes Long	25	Daughter	Elevator Opr	Minnesota
64	Thomas Patrick Long	25	Son	Order Filler	Minnesota
65	Margaret Elizabeth Long	22	Daughter	Switch Board Operator	Minnesota
66	Thomas J. Faloon	61	Head	Stockman	Minnesota
67	Hylda O. Faloon	55	Wife	—	Minnesota
68	Robert Faloon	20	Son	Stock Clerk	Minnesota
69	Norman Solem	None	Head	—	—
70	—	None	—	—	—
71	—	None	—	—	—
72	Olga Bloomstrom	63	Head	Char-Woman	Sweden
73	Russell W. Moody	28	Head	Roofer	Minnesota
74	Rose K. Moody	29	Wife	House-Keeper	Minnesota
75	Nellie B. Buzzell	36	Head	Mangler	South Dakota
76	Bernice L. Buzzell	16	Daughter	—	Minnesota
77	Extra Line	None	—	—	—
78	Matilda Schadel	66	Head	—	Norway
79	Esther G. Schadel	36	Daughter	—	Minnesota
80	Robert Now	30	Head	Machine Opr	Minnesota

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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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