DT
David Thomas — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this David Thomas across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents David & Margaret — first a head (b.~1894), then head of a 5-person household.
Age 36
b. ~1894
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Thomas |
| Given Name | David J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 28 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Additional Details | |
| Occupation | Clerk |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Mt Lebanon Township Part |
| Est. Birth Year | ~1894 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Charlotte Thomas | Daughter | — | 7 | ~1923 |
| Eva Thomas | Daughter | — | 5 | ~1925 |
| David Thomas | Head | — | 36 | ~1894 |
| Catherine Marrus | Other | — | 71 | ~1859 |
| Ethel Thomas | Other | — | 29 | ~1901 |
Census Appearances
1910
Allegheny, Pennsylvania
Son, age 16
Allegheny, Pennsylvania · implied b. ~1894 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | David J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 25
Allegheny, Pennsylvania · implied b. ~1895 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | David Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Janitor |
| Industry | Asst. School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 36
Allegheny, Pennsylvania · implied b. ~1894 — 5 household members
| Surname | Thomas |
| Given Name | David J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 28 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Clerk |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| 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 Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father David Thomas (~0.92 confidence) and mother Margaret Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Thomas
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Margaret Thomas
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Thomas
Head · 1930 · age 36 · b. ~1894 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1968:0245)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Betty B Hern | 32 | Wife-H | — | Pennsylvania |
| 2 | Kathryn N Hern | 7 | Daughter | — | Pennsylvania |
| 3 | Aubrey Lee Hern | 4 | Daughter | — | Pennsylvania |
| 4 | Stanley L. Jr. Hern | 2 | Son | — | Pennsylvania |
| 5 | Mary P Duncan | 17 | Servant | Servant | Georgia |
| 6 | Don D Heron | 46 | Head | Roentgenologist | Ohio |
| 7 | Eva B Heron | 41 | Wife-H | — | Ohio |
| 8 | Don A Heron | 15 | Son | — | Ohio |
| 9 | John B Heron | 12 | Son | — | Ohio |
| 10 | Virginia S Heron | 6 | Daughter | — | Pennsylvania |
| 11 | Adella M Curry | 27 | Servant | Servant | Pennsylvania |
| 12 | James Giuliani | 59 | Head | Miner | Austria-Trentino |
| 13 | Elizabeth Giuliani | 49 | Wife-H | — | Austria-Trentino |
| 14 | Bruno Giuliani | 27 | Son | Laborer | Austria-Trentino |
| 15 | Anita Giuliani | 22 | Daughter | — | Pennsylvania |
| 16 | Joseph Demozzi | 57 | Boarder | Miner | Italy |
| 17 | Robert Brown | 51 | Head | Miner | Scotland |
| 18 | Helen Brown | 43 | Wife-H | — | Scotland |
| 19 | William Brown | 20 | Son | — | Scotland |
| 20 | Helen Brown | 12 | Daughter | — | Scotland |
| 21 | Alexander Brown | 10 | Son | — | Scotland |
| 22 | Charles Brown | 8 | Son | — | Scotland |
| 23 | Douglas B Hoods | 30 | Head | Clerk | Nebraska |
| 24 | Margaret M Hoods | 31 | Wife-H | — | Florida |
| 25 | Lois D Hoods | 1 | Daughter | — | Florida |
| 26 | Windsor H. Pardew | 34 | Head | Commercial Traveler | Maryland |
| 27 | Helen K Pardew | 26 | Wife-H | — | Maryland |
| 28 | Betty Lee Pardew | 5 | Daughter | — | Maryland |
| 29 | Frank H Pardew | 3 | Son | — | Maryland |
| 30 | Davidson A Denson | 25 | Head | Mechanical Engineer | Maryland |
| 31 | Susannah D Denson | 26 | Wife-H | — | Florida |
| 32 | Betty D Denson | 0 | Daughter | — | Maryland |
| 33 | Varick D Schwartz | 38 | Head | Commercial Traveler | Pennsylvania |
| 34 | Florence H Schwartz | 28 | Wife-H | — | Pennsylvania |
| 35 | Varick D Jr Schwartz | 4 | Son | — | Pennsylvania |
| 36 | Robert Leitch | 29 | Head | Inspector | Scotland |
| 37 | Catherine R Leitch | 27 | Wife-H | — | Scotland |
| 38 | John W Focke | 55 | Head | Inspector | Kentucky |
| 39 | Mae Focke | 53 | Wife-H | — | Ohio |
| 40 | David J. Thomas THIS PERSON | 36 | Head | Clerk | Pennsylvania |
| 41 | Ethel I Thomas | 29 | Wife-H | — | Pennsylvania |
| 42 | Charlotte J Thomas | 7 | Daughter | — | Pennsylvania |
| 43 | Eva S Thomas | 5 | Daughter | — | Pennsylvania |
| 44 | Catherine Marrus | 71 | Mother-in-law | — | Germany |
| 45 | Jay C Merrell | 33 | Head | Draughtsman | Ohio |
| 46 | Marian Merrell | 34 | Wife-H | — | Illinois |
| 47 | Virginia J Merrell | 8 | Daughter | — | Ohio |
| 48 | Betty A Merrell | 8 | Daughter | — | Ohio |
| 49 | Joseph H Cavalier | 43 | Head | Motorman | Maryland |
| 50 | Marie E Cavalier | 34 | Wife-H | — | 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 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)