Mary Allen — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Philadelphia-County, Pennsylvania

Our Model Tree links this Mary Allen across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 4-person household.

Age 61 b. ~1879 Female Spouse Born: Delaware Married

1940 Census Record Details

Census Year	1940
Location	Philadelphia-County, Pennsylvania
Surname	Allen
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	61
Marital Status	Married
Birthplace	Delaware
1935 Residence (City)	Philadelphia
1935 Residence (County)	Philadelphia
Additional Details
Occupation	Housewife
Highest Grade	No 8
1935 Residence	Same Place
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware
Occupation	Housewife
Township / Ward	Philadelphia
Est. Birth Year	~1879

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
Eleanor Allen	Daughter	—	15	~1925
Dwight Allen	Head	—	58	~1882
John Allen	Son	—	20	~1920
Mary Allen	Spouse	—	61	~1879

Census Appearances

1920

Philadelphia, Pennsylvania

Spouse, age 40

Philadelphia, Pennsylvania · implied b. ~1880 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Allen
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	40
Marital Status	Married
Birthplace	Delaware
Father's Birthplace	Delaware
Mother's Birthplace	Delaware
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

1930

Philadelphia, Pennsylvania

Spouse, age 51

Philadelphia, Pennsylvania · implied b. ~1879 — 10 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Allen
Given Name	Mary E.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Delaware
Age at First Marriage	20
Father's Birthplace	Delaware
Mother's Birthplace	Delaware
Occupation	none
Can Read/Write	Yes
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

1940

Philadelphia-County, Pennsylvania

Spouse, age 61

Philadelphia-County, Pennsylvania · implied b. ~1879 — 4 household members

Surname	Allen
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	61
Marital Status	Married
Birthplace	Delaware
1935 Residence (City)	Philadelphia
1935 Residence (County)	Philadelphia
Occupation	Housewife
Highest Grade	No 8
1935 Residence	Same Place
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

Model Tree

Linked across censuses

Our Model Tree links Mary Allen 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 Allen

Spouse · 1940 · age 61 · b. ~1879 · 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 — Philadelphia-County, Pennsylvania Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03746-00277)

Line	Name	Age	Relation	Occupation	Birthplace
1	James Mccauley	52	Head	Patrolman	Penna
2	Mary Mccauley	52	Wife	Housewife	Penna
3	James Mccauley	22	Son	Stevedore	Penna
4	Mary Mccauley	21	Daughter	Stenographer	Penna
5	Alvin Chadron	53	Head	Laborer	Penna
6	Bessie Chadron	48	Wife	Housewife	Penna
7	Dwight Allen	58	Head	Store Keeper	New York
8	Mary Allen THIS PERSON	61	Wife	Housewife	Delaware
9	John Allen	20	Son	Assembly Mechanic	Penna
10	Eleanor Allen	15	Daughter	Housework	Penna
11	Alfred Van Horn	44	Head	Conductor	Penna
12	Olive Van Horn	43	Wife	Housewife	Penna
13	Alfred Van Horn	18	Son	—	Penna
14	William Van Horn	17	Son	—	Penna
15	Thomas Van Horn	13	Son	—	Penna
16	Robert Cairns	62	Head	—	Scotland
17	Jessie Cairns	55	Wife	Housewife	Scotland
18	Margaret Heath	29	Daughter	Housewife	Scotland
19	Glenn Heath	32	Son in law	Proprietor Electrical Parts	Penna
20	Glenn Jr Heath	4	Grandson	—	Penna
21	Andrew Troxell	64	Head	Special Agent	Penna
22	Frances A Troxell	62	Wife	Housewife	Penna
23	Charles Troxell	27	Son	Stenographer	Penna
24	Adeline Trevison	50	Head	Housewife	Italy
25	Salvator Trevison	26	Son	Laborer	Penna
26	—	None	—	—	—
27	Ernest Buehler	46	Head	Shoemaker	Germany
28	Lona Buehler	47	Wife	Housewife	Germany
29	Kurt Buehler	19	Son	Apprentice Boy	Germany
30	Christian Sleich	34	Boarder	Sheet Metal Worker	Germany
31	Samuel Smith	44	Head	Shipper	Penna
32	Margaret Smith	40	Wife	Housewife	Penna
33	James Jr Kane	35	Head	Manager	Penna
34	Margaret Kane	35	Wife	Housewife	Penna
35	James 3Rd Kane	14	Son	—	Penna
36	Catherine Kane	13	Daughter	—	Penna
37	Daniel Kane	10	Son	—	Penna
38	Elizabeth Kane	7	Daughter	—	Penna
39	James Sr Kane	75	Father	—	No. Ireland
40	Bernard The Gill	36	Head	Salesman-Driver	Penna

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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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