TG
Thomas Gibson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Thomas Gibson across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents A & Andrew — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Gibson |
| Given Name | Thomas |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Shipper |
| Industry | Meter Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 975 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Shipper |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| Thomas Gibson | Head | — | 25 | ~1915 |
| Karen Gibson | Daughter | — | 1 | ~1939 |
| Betsy Gibson | Spouse | — | 22 | ~1918 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 5
Allegheny, Pennsylvania · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gibson |
| Given Name | Thomas |
| Relationship to Head | son |
| 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 15
Allegheny, Pennsylvania · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gibson |
| Given Name | Thomas A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 25
Allegheny-County, Pennsylvania · implied b. ~1915 — 3 household members
| Surname | Gibson |
| Given Name | Thomas |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Shipper |
| Industry | Meter Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 975 |
| Highest Grade | Hs 4 |
| 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 Gibson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father A Gibson (~0.92 confidence) and father Andrew Gibson (~0.92 confidence) and mother Josephine Gibson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
A Gibson
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Andrew Gibson
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Josephine Gibson
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Gibson
Head · 1940 · age 25 · b. ~1915 · 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
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03661-00522)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louise Wagner | 19 | daughter | Waitress | Pennsylvania |
| 2 | Mary Howard | 29 | daughter | Clerk | Pennsylvania |
| 3 | Marilyn Howard | 8 | daughter | — | Pennsylvania |
| 4 | Nedra Stead | 23 | daughter | Waitress | Pennsylvania |
| 5 | Joseph Stead | 2 | grandson | — | Pennsylvania |
| 6 | Harry O. Harmon | 55 | head | Clerk | Wales |
| 7 | Maggie Harmon | 51 | wife | — | Pennsylvania |
| 8 | Earl J. Sage | 21 | head | Meter Reader | New York |
| 9 | Margaret O. Sage | 19 | wife | — | Pennsylvania |
| 10 | Barbara E. Sage | 1 | daughter | — | Pennsylvania |
| 11 | Bertha Congarty | 38 | mother-in-law | Stenographic | Pennsylvania |
| 12 | Mary Congarty | 13 | sister-in-law | — | Pennsylvania |
| 13 | Charles Banker | 59 | head | Painter | Germany |
| 14 | Katie Banker | 60 | wife | — | Germany |
| 15 | Walter Banker | 23 | son | Ass'T Chemist | Pennsylvania |
| 16 | Daniel Gruber | 25 | head | Truck Driver | Pennsylvania |
| 17 | Margaret O. Gruber | 22 | wife | — | Pennsylvania |
| 18 | Daniel, Jr. Gruber | 2 | son | — | Pennsylvania |
| 19 | Thomas Gibson THIS PERSON | 25 | head | Shipper | Pennsylvania |
| 20 | Betsy O. Gibson | 22 | wife | — | Pennsylvania |
| 21 | Karen Gibson | 1 | daughter | — | Pennsylvania |
| 22 | Peter Tobal | 30 | head | Dry Cleaner | Pennsylvania |
| 23 | Rose O. Tobal | 27 | wife | — | Pennsylvania |
| 24 | Thomas Tobal | 2 | son | — | Pennsylvania |
| 25 | Sebastian Tucci | 50 | head | Sheet Metal | Italy |
| 26 | Charles Barkey | 50 | head | Ass'T Car Rep. | Pennsylvania |
| 27 | Mary E. Barkey | 45 | wife | — | Pennsylvania |
| 28 | Charles Barkey | 16 | son | — | Pennsylvania |
| 29 | James O. Worman | 51 | head | Street Car Operator | W. Virginia |
| 30 | Alice Worman | 43 | wife | — | Pennsylvania |
| 31 | William Lewis | 37 | head | Laborer | Pennsylvania |
| 32 | Ella O. Lewis | 33 | wife | — | Pennsylvania |
| 33 | Dorothy Lewis | 2 | daughter | — | Pennsylvania |
| 34 | Ephriam Shock | 78 | head | — | W. Virginia |
| 35 | Mary O. Shock | 60 | wife | — | W. Virginia |
| 36 | Stella Dilworth | 43 | daughter | — | W. Virginia |
| 37 | Ira Shock | 39 | son | — | W. Virginia |
| 38 | Robert Carner | 17 | son | — | West Virginia |
| 39 | William Melonmon | 50 | head | Foreman | N. Ireland |
| 40 | Bessie O. Melonmon | 44 | wife | — | Pennsylvania |
Pedigree Summary
Thomas
Gen 1 · 3 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)