Thelma Smith — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Allegheny-County, Pennsylvania

Our Model Tree links this Thelma Smith across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Margaret — first a spouse (b.~1914), then head of a 3-person household.

Age 26 b. ~1914 Female Spouse Born: Pennsylvania Married

1940 Census Record Details

Census Year	1940
Location	Allegheny-County, Pennsylvania
Surname	Smith
Given Name	Thelma
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	26
Marital Status	Married
Birthplace	Pennsylvania
1935 Residence (City)	West View (Borough)
1935 Residence (County)	Allegheny
Additional Details
Highest Grade	H 4
1935 Residence	Same place
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania
Township / Ward	West View Borough
Est. Birth Year	~1914

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 Thelma	Age	Birth yr
Robert Smith	Head	—	30	~1910
John Smith	Son	—	5	~1935
Thelma Smith	Spouse	—	26	~1914

Census Appearances

1920

Allegheny, Pennsylvania

Other, age 6

Allegheny, Pennsylvania · implied b. ~1914 — 9 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Thelma
Relationship to Head	Granddaughter
Sex	F
Color / Race	White
Age	6
Marital Status	Single
Birthplace	Pennsylvania
Father's Birthplace	Pennsylvania
Mother's Birthplace	Pennsylvania
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania

1930

Allegheny, Pennsylvania

Daughter, age 16

Allegheny, Pennsylvania · implied b. ~1914 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Thelma
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	16
Marital Status	Single
Birthplace	Pennsylvania
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 26

Allegheny-County, Pennsylvania · implied b. ~1914 — 3 household members

Surname	Smith
Given Name	Thelma
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	26
Marital Status	Married
Birthplace	Pennsylvania
1935 Residence (City)	West View (Borough)
1935 Residence (County)	Allegheny
Highest Grade	H 4
1935 Residence	Same place
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania

Model Tree

Model Tree available

Our Model Tree links Thelma Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Smith (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.

Show:

Gen 1 Parents confidence ≈ 0.92

Mother

Margaret Smith

b. ~1890

Source mother

● Household · direct · ~0.92

This person

Anchor record

Thelma Smith

Spouse · 1940 · age 26 · b. ~1914 · Pennsylvania

★ You are viewing this record

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-t0627-03420-00728)

Line	Name	Age	Relation	Occupation	Birthplace
1	Virginia Fischer	36	Head	Teacher	Philadelphia Pennsylvania
2	Hilda Hess	36	Lodger	Teacher	Pennsylvania
3	Adah Wallace	77	Head	—	Pennsylvania
4	George Wallace	27	Son	Orderly	Pennsylvania
5	William Brownlee	61	Head	Salesman	Ohio
6	Verna Brownlee	54	Wife	—	Pennsylvania
7	Earl Brownlee	26	Son	Lineman	Pennsylvania
8	Lillian Brownlee	22	Daughter	—	Pennsylvania
9	Robert Smith	30	Head	Painter	Pennsylvania
10	Thelma Smith THIS PERSON	26	Wife	—	Pennsylvania
11	John Smith	5	Son	—	Pennsylvania
12	John Martin	31	Head	Dr. Foreman	Pennsylvania
13	Thomas P. Martin	21	Son	Car Packer	Pennsylvania
14	Coy M. Lownee	49	Head	Repairman	Pennsylvania
15	Hallie Lownee	46	Wife	—	Pennsylvania
16	Emma Streiner	71	Head	Janitress	Pennsylvania
17	Charles Streiner	47	Son	—	Pennsylvania
18	Harry C. Streiner	42	Son	Milk Wagon Driver	Pennsylvania
19	Esther Streiner	42	Daughter	—	Pennsylvania
20	Virginia Streiner	15	Daughter	—	Pennsylvania
21	Frank Hattler	73	Brother	—	Pennsylvania
22	John Mcdonald	42	Head	Pattern Maker	Pennsylvania
23	Mildred Mcdonald	39	Wife	—	Pennsylvania
24	John Jr. Mcdonald	6	Son	—	Pennsylvania
25	Norma Mcdonald	13	Daughter	—	Pennsylvania
26	Marion Mcdonald	4	Daughter	—	Pennsylvania
27	Raymond Mcdonald	2	Son	—	Pennsylvania
28	Hillary Mindenough	39	Head	Salesman	Pennsylvania
29	Joanna Mindenough	37	Wife	—	Pennsylvania
30	Kathryn Mindenough	15	Daughter	—	Pennsylvania
31	Harold A. Kern	36	Head	Salesman	Pennsylvania
32	Rita O. Kern	36	Wife	—	Ohio
33	William Kern	6	Son	—	Pennsylvania
34	Anne C. Pohl	30	Head	Investigator	Pennsylvania
35	Margie Pohl	10	Daughter	—	Pennsylvania
36	Roselle Laverne	40	Lodger	Salesman	Minnesota
37	Gerald D. Chaney	35	Head	Night Superintendent	Pennsylvania
38	Margaret Chaney	31	Wife	—	Pennsylvania
39	Ivan Murray	56	Head	Carpenter	Pennsylvania
40	Martha Murray	49	Wife	—	Pennsylvania

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Pedigree Summary

Thelma

Gen 1 · 1 parents ~0.92

Max depth 4 (1900–1950 window)

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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