TG
Thomas Gallagher — 1940 US Census Record
Model Tree available1940 United States Federal Census · Northumberland-County, Pennsylvania
Our Model Tree links this Thomas Gallagher across the 1920, 1930 and 1940 US Censuses in Northumberland-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Daniel & Bertha — first a son (b.~1914), then head of a 6-person household.
Age 26
b. ~1914
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Northumberland-County, Pennsylvania |
| Surname | Gallagher |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Coal twp |
| 1935 Residence (County) | Northumberland |
| Additional Details | |
| Occupation | Miner Labor |
| Industry | Anthracite |
| Class of Worker | OA |
| Hours Worked | 2 |
| Income (1939) | 25 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Miner Labor |
| Township / Ward | Coal Twp |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| George Hubler | Other | — | 54 | ~1886 |
| Daniel Gallagher | Head | — | 64 | ~1876 |
| John Gallagher | Son | — | 23 | ~1917 |
| Bertha Gallagher | Spouse | — | 56 | ~1884 |
| Thomas Gallagher | Son | — | 26 | ~1914 |
| Mildred Gallagher | Daughter | — | 21 | ~1919 |
Census Appearances
1920
Northumberland, Pennsylvania
Son, age 5
Northumberland, Pennsylvania · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| 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 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Northumberland, Pennsylvania
Son, age 16
Northumberland, Pennsylvania · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | Thomas |
| 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 | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Northumberland-County, Pennsylvania
Son, age 26
Northumberland-County, Pennsylvania · implied b. ~1914 — 6 household members
| Surname | Gallagher |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Coal twp |
| 1935 Residence (County) | Northumberland |
| Occupation | Miner Labor |
| Industry | Anthracite |
| Class of Worker | OA |
| Hours Worked | 2 |
| Income (1939) | 25 |
| Highest Grade | No 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 Gallagher across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Gallagher (~0.92 confidence) and mother Bertha Gallagher (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Gallagher
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Bertha Gallagher
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Gallagher
Son · 1940 · age 26 · b. ~1914 · Pennsylvania
★ You are viewing this record
Sibling
Mildred Gallagher
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Gallagher
Sibling · 1940 · age 23
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 — Northumberland-County, Pennsylvania
Open full size
1940 US Federal Census — Northumberland-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03595-00462)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew Shytish | 60 | Head | Contract Miner | Austria |
| 2 | Stella Shytish | 56 | Wife | — | Austria |
| 3 | Olga Shytish | 17 | Daughter | — | Pennsylvania |
| 4 | John Shytish | 15 | Son | — | Pennsylvania |
| 5 | Dorothy Shytish | 11 | Daughter | — | Pennsylvania |
| 6 | Peter Zavarick | 59 | Head | Miner | Poland |
| 7 | Anna Zavarick | 50 | Wife | — | Poland |
| 8 | Joseph Zavarick | 22 | Son | Miner Labor | Pennsylvania |
| 9 | Metro Zavarick | 18 | Son | New Worker | Pennsylvania |
| 10 | Anna Graham | 47 | Head | Teacher | Pennsylvania |
| 11 | Mary Graham | 51 | Sister | Janitress | Pennsylvania |
| 12 | Catherine Graham | 44 | Sister | Winding | Pennsylvania |
| 13 | John Graham | 33 | Brother | Painter | Pennsylvania |
| 14 | William R. Graham | 32 | Head | Draftsman | Pennsylvania |
| 15 | Margaret Graham | 37 | Wife | — | Pennsylvania |
| 16 | Gertrude Graham | 18 | Daughter | Typist | Pennsylvania |
| 17 | John Theori | 43 | Head | Miner Labor | Pennsylvania |
| 18 | Mary Theori | 28 | Wife | — | Pennsylvania |
| 19 | Joan Marie Theori | 3 | Daughter | — | Pennsylvania |
| 20 | John Chvoker | 32 | Head | Contract Miner | Pennsylvania |
| 21 | Harriet Chvoker | 28 | Wife | — | Pennsylvania |
| 22 | Robert Chvoker | 7 | Son | — | Pennsylvania |
| 23 | Donald Chvoker | 5 | Son | — | Pennsylvania |
| 24 | Gerald Chvoker | 3 | Son | — | Pennsylvania |
| 25 | Frank Krobath | 38 | Head | Contract Miner | Pennsylvania |
| 26 | Bridget Krobath | 31 | Wife | — | Pennsylvania |
| 27 | Donald Krobath | 11 | Son | — | Pennsylvania |
| 28 | William Krobath | 9 | Son | — | Pennsylvania |
| 29 | Pat Krobath | 8 | Daughter | — | Pennsylvania |
| 30 | Charles Davis | 40 | Head | Finisher | Pennsylvania |
| 31 | Ruth Davis | 35 | Wife | — | Pennsylvania |
| 32 | William Davis | 17 | Son | New Worker | Pennsylvania |
| 33 | Charles Jr. Davis | 16 | Son | — | Pennsylvania |
| 34 | Shirley Davis | 13 | Daughter | — | Pennsylvania |
| 35 | Daniel Gallagher | 64 | Head | Water Boy | Pennsylvania |
| 36 | Bertha Gallagher | 56 | Wife | — | Pennsylvania |
| 37 | Thomas Gallagher THIS PERSON | 26 | Son | Miner Labor | Pennsylvania |
| 38 | John Gallagher | 23 | Son | Miner Labor | Pennsylvania |
| 39 | Mildred Gallagher | 21 | Daughter | Typist | Pennsylvania |
| 40 | George Hubler | 54 | Brother in law | Breaker | Pennsylvania |
Pedigree Summary
Thomas + 2 siblings
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)