Mary Larson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Mckean-County, Pennsylvania

Our Model Tree links this Mary Larson across the 1920, 1930 and 1940 US Censuses in Mckean-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 4-person household.

Age 48 b. ~1892 Female Spouse Born: New York Married

1940 Census Record Details

Census Year	1940
Location	Mckean-County, Pennsylvania
Surname	Larson
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	48
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Annin Twp
1935 Residence (County)	McKean
Additional Details
Occupation	House Wife
Industry	Home
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Occupation	House Wife
Township / Ward	Annin Twp
Est. Birth Year	~1892

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Harriet Smith	Daughter	—	14	~1926
Oscar Larson	Head	—	55	~1885
William Brown	Other	—	17	~1923
Mary Larson	Spouse	—	48	~1892

Census Appearances

1920

Mckean, Pennsylvania

Spouse, age 27

Mckean, Pennsylvania · implied b. ~1893 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Larson
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	27
Marital Status	Married
Birthplace	New York
Father's Birthplace	Germany
Mother's Birthplace	Germany
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	German
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Mckean, Pennsylvania

Spouse, age 39

Mckean, Pennsylvania · implied b. ~1891 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Larson
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	39
Marital Status	Married
Birthplace	New York
Age at First Marriage	26
Father's Birthplace	Germany
Mother's Birthplace	Germany
Can Read/Write	Yes
Mother Tongue	German
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Mckean-County, Pennsylvania

Spouse, age 48

Mckean-County, Pennsylvania · implied b. ~1892 — 4 household members

Surname	Larson
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	48
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Annin Twp
1935 Residence (County)	McKean
Occupation	House Wife
Industry	Home
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links Mary Larson 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 Larson

Spouse · 1940 · age 48 · b. ~1892 · Pennsylvania

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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 — Mckean-County, Pennsylvania Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03568-00016)

Line	Name	Age	Relation	Occupation	Birthplace
1	Luther Kinney	70	Head	Farmer	Penn'a
2	Hettie Kinney	68	Wife	House Wife	Penn'a
3	Fred W. Link	52	Head	Farmer	New York
4	Argean Link	52	Wife	House Wife	Penn'a
5	Eugene Schoonover	19	Hired hand	Farm Laborer	Penn'a
6	Charles Larson	72	Head	Farmer	Sweden
7	Ida Larson	74	Wife	House Wife	Sweden
8	Guy Scott	58	Head	Farmer	New York
9	Bessie Scott	51	Wife	House Wife	Penn'a
10	Lawrence Lewis	17	Son	Farm Laborer	Penn'a
11	Oscar Larson	55	Head	Farmer	Sweden
12	Mary Larson THIS PERSON	48	Wife	House Wife	New York
13	William Brown	17	Foster Son	—	Georgia
14	Harriet Smith	14	Daughter	—	Penn'a
15	Robert Vaughn	30	Head	Woodcutter	New York
16	Ethel Vaughn	20	Wife	House Wife	New York
17	Wesley Allen	54	Head	Lumberman	Penn'a
18	Alvin Allen	45	Brother	Lumberman	Penn'a
19	Nelson Carter	63	Head	Lumberman	New York
20	Ernest Eddy	36	Lodger	Lumberman	New York
21	Albert Dawley	63	Head	Farmer	Penn'a
22	Cora Dawley	60	Wife	House Wife	New York
23	Clifford Dawley	28	Son	Driller	Penn'a
24	Mildred Hull	18	Niece	—	Penn'a
25	Enoch Anderson	67	Head	Farmer	Sweden
26	Nina Anderson	55	Wife	House Wife	Sweden
27	Michael Jacobs	27	Hired hand	Farm Laborer	Indiana
28	J. Lewis Nelson	50	Head	Farmer	Penn'a
29	Ruth Nelson	47	Wife	House Wife	New York
30	Alton Nelson	5	Son	—	New York
31	Beverly Nelson	3	Daughter	—	New York
32	Albertina Nelson	76	Mother	—	Sweden
33	William Laines	48	Head	Laborer	Penn'a
34	Ante Carlson	52	Head	Farmer	Penn'a
35	Emma Carlson	45	Wife	House Wife	Penn'a
36	Ella Lindsay	54	Head	House Wife	Penn'a
37	Kenneth Austin	22	Head	Lease Hand	Penn'a
38	Mildred Austin	25	Wife	House Wife	Penn'a
39	Harriett Austin	3	Daughter	—	Penn'a
40	Doris Austin	0	Daughter	—	New York

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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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