DT
David Thomas — 1930 US Census Record
Model Tree available1930 United States Federal Census · Luzerne, Pennsylvania
Our Model Tree links this David Thomas across the 1910, 1920 and 1930 US Censuses in Luzerne, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Annie — first a son (b.~1893), then head of a 3-person household.
Age 37
b. ~1893
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Luzerne, Pennsylvania |
| Surname | Thomas |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Additional Details | |
| Occupation | Laborer |
| Industry | Coal mines |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Plymouth Borough |
| Est. Birth Year | ~1893 |
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 1930 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Margaret Thomas | Head | — | 68 | ~1862 |
| David Thomas | Son | — | 37 | ~1893 |
| William Thomas | Son | — | 48 | ~1882 |
Census Appearances
1910
Luzerne, Pennsylvania
Son, age 20
Luzerne, Pennsylvania · implied b. ~1890 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Laborer |
| Industry | Coal Mines |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Luzerne, Pennsylvania
Son, age 28
Luzerne, Pennsylvania · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | David |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | laborer |
| Industry | mining |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Luzerne, Pennsylvania
Son, age 37
Luzerne, Pennsylvania · implied b. ~1893 — 3 household members
| Surname | Thomas |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Laborer |
| Industry | Coal mines |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 David Thomas across 3 US Census years (1910, 1920 and 1930) in Luzerne, Pennsylvania, using XGBoost record linkage. Identified parents: father John Thomas (~0.92 confidence) and mother Annie Thomas (~0.92 confidence) and mother Elizabeth Thomas (~0.92 confidence) and mother Margaret Thomas (~0.92 confidence) and mother Mary Thomas (~0.60 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.86
Father
John Thomas
b. ~1848
Source father
● Household
· direct · ~0.92
Mother
Annie Thomas
b. ~1855
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Thomas
b. ~1856
Source mother
● Household
· direct · ~0.92
Mother
Margaret Thomas
b. ~1862
Source mother
● Household
· direct · ~0.92
Mother
Mary Thomas
b. ~1884
Source mother
● Household
· direct · ~0.6
This person
Anchor record
David Thomas
Son · 1930 · age 37 · b. ~1893 · Pennsylvania
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Sibling
William Thomas
Sibling · 1930 · age 48
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
1930 US Federal Census — Luzerne, Pennsylvania
Open full size
1930 US Federal Census — Luzerne, Pennsylvania
Page Contents
16 people indexed on this census page (ia:1930:fifteenthcensus00reel2069:1023)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Matisko | 7 | Daughter | — | Pennsylvania |
| 2 | Eleonore Matisko | 5 | Daughter | — | Pennsylvania |
| 3 | Susan Matisko | 2 | Daughter | None | Pennsylvania |
| 4 | Margaret Thomas | 68 | Head | — | Wales |
| 5 | William Thomas | 48 | Son | Laborer | Pennsylvania |
| 6 | David Thomas THIS PERSON | 37 | Son | Laborer | Pennsylvania |
| 7 | Glen Reese | 26 | Head | Laborer | Wales |
| 8 | Valta Reese | 21 | Wife | — | Pennsylvania |
| 9 | Betty Jane Reese | 1 | Daughter | — | Pennsylvania |
| 10 | Alfred Mundy | 23 | Head | Foot Helper | Pennsylvania |
| 11 | Helen Mundy | 20 | Wife | — | Ohio |
| 12 | Marlyn Mundy | 0 | Daughter | — | Pennsylvania |
| 13 | Zygmund Rogalinski | 51 | Father-in-law | Miner | Poland |
| 14 | Ann Rogalinski | 22 | Sister-in-law | Clerk | Ohio |
| 15 | William Rogalinski | 21 | Brother-in-law | — | Ohio |
| 16 | Enda Rogalinski | 18 | Sister-in-law | — | Ohio |
Pedigree Summary
David + 1 sibling
Gen 1 · 5 parents
~0.86
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)