Theresa Smith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Allegheny-County, Pennsylvania

Our Model Tree links this Theresa Smith across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1876), then head of a 3-person household.

Age 64 b. ~1876 Female Spouse Born: Pennsylvania Married

1940 Census Record Details

Census Year	1940
Location	Allegheny-County, Pennsylvania
Surname	Smith
Given Name	Theresa
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	64
Marital Status	Married
Birthplace	Pennsylvania
1935 Residence (City)	Homestead Borough
1935 Residence (County)	Allegheny
Additional Details
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania
Township / Ward	Homestead Borough
Est. Birth Year	~1876

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 Theresa	Age	Birth yr
Theresa Smith	Spouse	—	64	~1876
Francis Smith	Son	—	29	~1911
Frank Smith	Head	—	68	~1872

Census Appearances

1920

Allegheny, Pennsylvania

Other, age 45

Allegheny, Pennsylvania · implied b. ~1875 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Theresa
Relationship to Head	sister
Sex	F
Color / Race	White
Age	45
Marital Status	Widowed
Birthplace	Pennsylvania
Father's Birthplace	Switzerland
Mother's Birthplace	Alsace
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania

1930

Allegheny, Pennsylvania

Other, age 54

Allegheny, Pennsylvania · implied b. ~1876 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Theresa
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	54
Marital Status	Married
Birthplace	Pennsylvania
Age at First Marriage	33
Father's Birthplace	Pennsylvania
Mother's Birthplace	Pennsylvania
Can Read/Write	Yes
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania

1940

Allegheny-County, Pennsylvania

Spouse, age 64

Allegheny-County, Pennsylvania · implied b. ~1876 — 3 household members

Surname	Smith
Given Name	Theresa
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	64
Marital Status	Married
Birthplace	Pennsylvania
1935 Residence (City)	Homestead Borough
1935 Residence (County)	Allegheny
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania

Model Tree

Linked across censuses

Our Model Tree links Theresa Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Theresa Smith

Spouse · 1940 · age 64 · b. ~1876 · 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 — Allegheny-County, Pennsylvania Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03406-00419)

Line	Name	Age	Relation	Occupation	Birthplace
1	Nell	61	Lead	—	Pennsylvania
2	Rita	21	Daughter	—	Ohio
3	James French	67	Lodger	Laborer	Washington D.C.
4	Walter J. Wright	22	Lodger	Laborer	Pennsylvania
5	Michael Lotzy	28	Head	Laborer	Pennsylvania
6	Mary Lotzy	24	Wife	—	Pennsylvania
7	Dolores Lotzy	7	Daughter	—	Pennsylvania
8	Michael Kohan	44	Head	Clerk	Pennsylvania
9	William Kohan	17	Son	—	Pennsylvania
10	Tillie Morrow	28	Head	Photographer	Pennsylvania
11	Michael Plecia	54	Head	Plasterer	Italy
12	Angeline Plecia	52	Wife	—	Italy
13	Betty Plecia	27	Daughter	—	Pennsylvania
14	Sal Plecia	23	Son	—	Pennsylvania
15	Josephine Plecia	20	Daughter	Maid	Pennsylvania
16	Frank Rohe	71	Head	Janitor	Pennsylvania
17	Kate Rohe	65	Wife	—	Pennsylvania
18	Frank V. Rohe	44	Head	Janitor	Pennsylvania
19	Marie Rohe	41	Wife	—	Pennsylvania
20	Arnold Masho	30	Head	Minister	Wisconsin
21	Mildred Masho	29	Wife	—	Wisconsin
22	Mildred Masho	5	Daughter	—	Pennsylvania
23	Charles Masho	4	Son	—	Pennsylvania
24	John Mccue	44	Head	Crane Man	Pennsylvania
25	Merle Mccue	42	Wife	—	Pennsylvania
26	Jack Mccue	17	Son	—	Pennsylvania
27	Rita Mccue	14	Daughter	—	Pennsylvania
28	Frank Smith	68	Head	Butcher	Pennsylvania
29	Theresa Smith THIS PERSON	64	Wife	—	Pennsylvania
30	Francis Smith	29	Son	Salesman	Pennsylvania
31	Clarence Weaver	57	Head	Laborer	Pennsylvania
32	Bessie Weaver	54	Wife	—	Pennsylvania
33	Martin Weaver	33	Son	Teacher	Pennsylvania
34	Wesley Weaver	32	Son	Laborer	Pennsylvania
35	Robert Harrison	50	Head	Foreman	Virginia
36	Anna L. Harrison	46	Wife	—	Kentucky
37	Mary E. Harrison	25	Daughter	Supervisor	Kentucky
38	Mary F. Hatzell	80	Mother	—	Kentucky
39	Mildred Barr	35	Head	Hostess	Pennsylvania
40	Betty Jean Barr	10	Daughter	—	Pennsylvania

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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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