DT
Donald Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Susquehanna-County, Pennsylvania
Our Model Tree links this Donald Thomas across the 1920, 1930 and 1940 US Censuses in Susquehanna-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Frank & Ira — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Susquehanna-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Great Bend Boro |
| 1935 Residence (County) | Susquehanna |
| Additional Details | |
| Occupation | Printer |
| Industry | Newspaper & Printing Office |
| Class of Worker | OA |
| Income (1939) | 1200 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Printer |
| Township / Ward | Great Bend Boro |
| Est. Birth Year | ~1912 |
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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Donald Thomas | Head | — | 28 | ~1912 |
| Roger Thomas | Son | — | 1 | ~1939 |
| Helen Thomas | Spouse | — | 20 | ~1920 |
Census Appearances
1920
Susquehanna, Pennsylvania
Son, age 8
Susquehanna, Pennsylvania · implied b. ~1912 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Susquehanna, Pennsylvania
Son, age 18
Susquehanna, Pennsylvania · implied b. ~1912 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Susquehanna-County, Pennsylvania
Head, age 28
Susquehanna-County, Pennsylvania · implied b. ~1912 — 3 household members
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Great Bend Boro |
| 1935 Residence (County) | Susquehanna |
| Occupation | Printer |
| Industry | Newspaper & Printing Office |
| Class of Worker | OA |
| Income (1939) | 1200 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| 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 Donald Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Thomas (~0.92 confidence) and father Ira Thomas (~0.92 confidence) and mother Minnie Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Thomas
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Ira Thomas
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Minnie Thomas
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Thomas
Head · 1940 · age 28 · b. ~1912 · 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 — Susquehanna-County, Pennsylvania
Open full size
1940 US Federal Census — Susquehanna-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03613-00386)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Douglas Parker | 7 | Grand Son | — | New York |
| 2 | John Parker | 5 | Grand Son | — | New York |
| 3 | Earl Williams | 46 | Head | Fireman | Pennsylvania |
| 4 | Julia Williams | 43 | Wife | — | Pennsylvania |
| 5 | Howard Williams | 24 | Son | Butcher | Pennsylvania |
| 6 | Pearl Williams | 20 | Daughter in law | — | Pennsylvania |
| 7 | Gordon Williams | 22 | Son | Laborer | Pennsylvania |
| 8 | Edith Williams | 20 | Daughter in law | — | Pennsylvania |
| 9 | Ley Williams | 13 | Son | — | Pennsylvania |
| 10 | Rose Helen Williams | 12 | Daughter | — | Pennsylvania |
| 11 | Earl Williams | 9 | Son | — | Pennsylvania |
| 12 | Harold Williams | 2 | Grand Son | — | Pennsylvania |
| 13 | Harriet Snedaker | 77 | Head | — | Pennsylvania |
| 14 | James Vallelonga | 79 | Head | — | Italy |
| 15 | Stella Vallelonga | 55 | Wife | — | Italy |
| 16 | Julia Vedder | 27 | Daughter | — | Pennsylvania |
| 17 | Constance Scott | 26 | Daughter | Press Operator | Pennsylvania |
| 18 | Jean Vallelonga | 24 | Daughter | — | Pennsylvania |
| 19 | Josephine Vallelonga | 11 | Grand Daughter | — | Pennsylvania |
| 20 | Norma Jean Vedder | 5 | Grand Daughter | — | Pennsylvania |
| 21 | Donald Thomas THIS PERSON | 28 | Head | Printer | Pennsylvania |
| 22 | Helen Thomas | 20 | Wife | — | Pennsylvania |
| 23 | Roger Thomas | 1 | Son | — | Pennsylvania |
| 24 | Thomas O'Meara | 31 | Head | Electro Plater | Eire |
| 25 | June O'Meara | 30 | Wife | — | Ohio |
| 26 | Leonard Rood | 21 | Head | Electro Plater | New York |
| 27 | Gary Rood | 20 | Wife | — | Pennsylvania |
| 28 | Mary Gifford | 72 | Head | — | Pennsylvania |
| 29 | Mary Gifford | 34 | Daughter | Assistant Manager | Pennsylvania |
| 30 | Paul Egan | 35 | Son in law | Caller | Pennsylvania |
| 31 | Nora Egan | 32 | Daughter | — | Pennsylvania |
| 32 | Paul Egan | 11 | Grand Son | — | Pennsylvania |
| 33 | Joan Egan | 10 | Grand Daughter | — | Pennsylvania |
| 34 | Norine Egan | 8 | Grand Daughter | — | Pennsylvania |
| 35 | Michael Sullivan | 78 | Brother | — | Pennsylvania |
| 36 | Clyde Stowell | 76 | Head | Editor | New York |
| 37 | Edith Stowell | 71 | Wife | — | Pennsylvania |
| 38 | William Ely | 55 | Son in law | Mechanic | New York |
| 39 | Mabel Ely | 51 | Daughter | — | Pennsylvania |
| 40 | Dorothy Stowell | 27 | Daughter | Teacher | Pennsylvania |
Pedigree Summary
Donald
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)