DT
David Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this David Thomas across the 1920, 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents David & Grace — first a head (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Head
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Thomas |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Kingston Borough |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Occupation | Truck Delivery |
| Industry | Retail store Department |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1250 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Truck Delivery |
| Township / Ward | Kingston Borough |
| Est. Birth Year | ~1901 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Margie Thomas | Daughter | — | 6 | ~1934 |
| Gloria Thomas | Daughter | — | 2 | ~1938 |
| David Thomas | Head | — | 39 | ~1901 |
| Mildred Thomas | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Luzerne, Pennsylvania
Son, age 15
Luzerne, Pennsylvania · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | David H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Luzerne, Pennsylvania
Son, age 25
Luzerne, Pennsylvania · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | David H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Truck Driver |
| Industry | Dept Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Luzerne-County, Pennsylvania
Head, age 39
Luzerne-County, Pennsylvania · implied b. ~1901 — 4 household members
| Surname | Thomas |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Kingston Borough |
| 1935 Residence (County) | Luzerne |
| Occupation | Truck Delivery |
| Industry | Retail store Department |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1250 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 David Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Thomas (~0.92 confidence) and mother Grace Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Thomas
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Grace Thomas
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Thomas
Head · 1940 · age 39 · b. ~1901 · 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 — Luzerne-County, Pennsylvania
Open full size
1940 US Federal Census — Luzerne-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03554-00552)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William D. Thomas | 61 | Head | Mine Foreman | Wales |
| 2 | Hannah Thomas | 60 | Wife | — | Wales |
| 3 | Mary Connor | 74 | Head | — | Pennsylvania |
| 4 | Leo Connor | 52 | Son | — | Pennsylvania |
| 5 | Bina Connor | 43 | Daughter | — | Pennsylvania |
| 6 | Edward Connor | 42 | Son | Laborer | Pennsylvania |
| 7 | Maria Helen Connor | 38 | Daughter | Winder | Pennsylvania |
| 8 | Loretta Connor | 34 | Daughter | — | Pennsylvania |
| 9 | Aileen Connor | 17 | Daughter | — | Pennsylvania |
| 10 | John Connor | 16 | Grandson | — | Pennsylvania |
| 11 | William Connor | 14 | Grandson | — | Pennsylvania |
| 12 | Charles Connor | 12 | Grandson | — | Pennsylvania |
| 13 | Mary Connor | 12 | Granddaughter | — | Pennsylvania |
| 14 | Edward Mcdermott | 35 | Head | Laborer | Pennsylvania |
| 15 | Mary Mcdermott | 34 | Wife | — | Pennsylvania |
| 16 | Mary Ann Mcdermott | 10 | Daughter | — | Pennsylvania |
| 17 | Helen Mcdermott | 8 | Daughter | — | Pennsylvania |
| 18 | Edward Jr. Mcdermott | 3 | Son | — | Pennsylvania |
| 19 | Henry Kettruck | 62 | Father in law | Mine Foreman | Pennsylvania |
| 20 | Alice Kettruck | 54 | Mother in law | — | Pennsylvania |
| 21 | David Thomas THIS PERSON | 39 | Head | Truck Delivery | Virginia |
| 22 | Mildred Thomas | 30 | Wife | — | Pennsylvania |
| 23 | Margie Thomas | 6 | Daughter | — | Pennsylvania |
| 24 | Gloria Thomas | 2 | Daughter | — | Pennsylvania |
| 25 | John S. Jones | 66 | Head | Night Watchman | England |
| 26 | Bessie Jones | 59 | Wife | — | Pennsylvania |
| 27 | John D. Jones | 27 | Son | Laborer | Pennsylvania |
| 28 | William Reese | 50 | Son in law | Moulders Helper | Pennsylvania |
| 29 | Elizabeth Reese | 37 | Daughter | — | Pennsylvania |
| 30 | William Reese | 15 | Grandson | — | Pennsylvania |
| 31 | Elizabeth Reese | 14 | Granddaughter | — | Pennsylvania |
| 32 | John G. Reese | 12 | Grandson | — | Pennsylvania |
| 33 | Dorothy Reese | 10 | Granddaughter | — | Pennsylvania |
| 34 | Gwendolyn Reese | 1 | Granddaughter | — | Pennsylvania |
| 35 | Harry Van Loon | 43 | Head | Mason Helper | Pennsylvania |
| 36 | Hannah Van Loon | 40 | Wife | — | Pennsylvania |
| 37 | Helen Van Loon | 14 | Daughter | — | Pennsylvania |
| 38 | James Middleton | 80 | Father in law | — | Wales |
| 39 | Frank Tracy | 30 | Head | Substitute Mail Carrier | Pennsylvania |
| 40 | Sally Tracy | 29 | Wife | — | Pennsylvania |
Related Census Records
Pedigree Summary
David
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)