TM
Thomas Morgan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Thomas Morgan across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Bartley & Clara — first a son (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Morgan |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Sub-Clerk |
| Industry | Post-Office |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 1800 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Sub-Clerk |
| Township / Ward | Pittsburgh |
| 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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Clara Morgan | Daughter | — | 22 | ~1918 |
| Clara Morgan | Head | — | 50 | ~1890 |
| Thomas Morgan | Son | — | 26 | ~1914 |
Census Appearances
1920
Allegheny, Pennsylvania
Other, age 5
Allegheny, Pennsylvania · implied b. ~1915 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morgan |
| Given Name | Thomas J. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 16
Allegheny, Pennsylvania · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morgan |
| Given Name | Thomas J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Student |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 26
Allegheny-County, Pennsylvania · implied b. ~1914 — 3 household members
| Surname | Morgan |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Sub-Clerk |
| Industry | Post-Office |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 1800 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Thomas Morgan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Bartley O'Brien (~0.92 confidence) and mother Clara Morgan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bartley O'Brien
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Clara Morgan
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Morgan
Son · 1940 · age 26 · b. ~1914 · Pennsylvania
★ You are viewing this record
Sibling
Clara Morgan
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
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
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03664-00005)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter H. Eisenbies | 59 | Head | Vice-President | Pennsylvania |
| 2 | Florence Eisenbies | 54 | Wife | — | Pennsylvania |
| 3 | Harry Staley | 53 | Head | — | Pennsylvania |
| 4 | Viola L. Staley | 48 | Wife | — | Pennsylvania |
| 5 | Vera Staley | 22 | Daughter | Housework | Pennsylvania |
| 6 | Harry Staley | 20 | Son | Salesman | Pennsylvania |
| 7 | Norman Staley | 18 | Son | Salesman | Pennsylvania |
| 8 | Bernice Staley | 16 | Daughter | — | Pennsylvania |
| 9 | Mercedes Staley | 14 | Daughter | — | Pennsylvania |
| 10 | Anita Staley | 12 | Daughter | — | Pennsylvania |
| 11 | Earl Staley | 10 | Son | — | Pennsylvania |
| 12 | Anthony Lynch | 36 | Head | Policeman | Pennsylvania |
| 13 | Marie Lynch | 30 | Wife | — | Pennsylvania |
| 14 | John Lynch | 11 | Son | — | Pennsylvania |
| 15 | Grace Lynch | 7 | Daughter | — | Pennsylvania |
| 16 | Samuel Crinkshank | 33 | Head | Teller | Pennsylvania |
| 17 | Elizabeth Crinkshank | 28 | Wife | — | Pennsylvania |
| 18 | Robert Crinkshank | 9 | Son | — | Pennsylvania |
| 19 | Clara L. Morgan | 50 | Head | — | Pennsylvania |
| 20 | Thomas J. Morgan THIS PERSON | 26 | Son | Sub-Clerk | Pennsylvania |
| 21 | Clara Morgan | 22 | Daughter | Secretary | Pennsylvania |
| 22 | Joseph A. Archibald | 41 | Head | Doctor Of Dentistry | Pennsylvania |
| 23 | Catherine Archibald | 38 | Wife | — | Pennsylvania |
| 24 | Albert Archibald | 13 | Son | — | Pennsylvania |
| 25 | Margaret L. Sproule | 48 | Head | Saleswoman | Pennsylvania |
| 26 | Margaret Sproule | 20 | Daughter | Saleswoman | Pennsylvania |
| 27 | Floyd E. Betts | 53 | Head | Foreman | Pennsylvania |
| 28 | Helen Betts | 27 | Daughter | — | Pennsylvania |
| 29 | Dorothy Betts | 26 | Daughter | Registered Nurse | Pennsylvania |
| 30 | Thomas Hanrahan | 46 | Head | Policeman | Pennsylvania |
| 31 | Bridget Hanrahan | 77 | Mother | — | Eire |
| 32 | Hannah Hanrahan | 40 | Sister | — | Pennsylvania |
| 33 | James Hanrahan | 39 | Brother | Machinist | Pennsylvania |
| 34 | Robert V. O'Neill | 33 | Head | Salesman | Pennsylvania |
| 35 | Alice O'Neill | 33 | Wife | — | Pennsylvania |
| 36 | M. Virginia O'Neill | 2 | Daughter | — | Pennsylvania |
| 37 | James C. Clemm | 39 | Head | Laborer | Pennsylvania |
| 38 | Mabel Clemm | 45 | Wife | — | Pennsylvania |
| 39 | M. Elizabeth Clemm | 9 | Daughter | — | Pennsylvania |
| 40 | Raymond Cosgrove | 29 | Head | Policeman | Pennsylvania |
Pedigree Summary
Thomas + 1 sibling
Gen 1 · 2 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)