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 Thomas & Jennie — first a head (b.~1888), then head of a 5-person household.
Age 42
b. ~1888
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Thomas |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 25 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Repairman |
| Industry | Iron & Steel |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Repairman |
| Township / Ward | City Of Pittsburgh |
| Est. Birth Year | ~1888 |
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 |
|---|---|---|---|---|
| Elizabeth Thomas | Daughter | — | 10 | ~1920 |
| David Thomas | Head | — | 42 | ~1888 |
| Minerva Gordon | Other | — | 57 | ~1873 |
| Edna Thomas | Other | — | 39 | ~1891 |
| David Thomas | Son | — | 12 | ~1918 |
Census Appearances
1910
Allegheny, Pennsylvania
Son, age 22
Allegheny, Pennsylvania · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | Ohio |
| Occupation | Laborer |
| Industry | Tube mill |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Head, age 31
Allegheny, Pennsylvania · implied b. ~1889 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Wales |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Star Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Year of Naturalization | R |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 42
Allegheny, Pennsylvania · implied b. ~1888 — 5 household members
| Surname | Thomas |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 25 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Pennsylvania |
| Occupation | Repairman |
| Industry | Iron & Steel |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| 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 Thomas Thomas (~0.92 confidence) and mother Jennie Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Thomas
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Jennie Thomas
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Thomas
Head · 1930 · age 42 · b. ~1888 · 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:fifteenthcensus00reel1989:0163)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James L. Watkins | 39 | Head | Painter | West Virginia |
| 2 | Nina S. Watkins | 40 | Wife-H | — | Maryland |
| 3 | James H. Watkins | 16 | Son | Apprentice | West Virginia |
| 4 | George L. Watkins | 15 | Son | — | Pennsylvania |
| 5 | Rebecca G. Watkins | 13 | Daughter | — | Pennsylvania |
| 6 | Mary G. Watkins | 10 | Daughter | — | Pennsylvania |
| 7 | Jane L. Watkins | 4 | Daughter | — | Pennsylvania |
| 8 | Joseph Ruf | 45 | Head | Ironworker | Germany |
| 9 | Elsie V. Ruf | 42 | Wife-H | — | Pennsylvania |
| 10 | Alice L. Price | 28 | Lodger | Typist | Pennsylvania |
| 11 | David Thomas THIS PERSON | 42 | Head | Repairman | Pennsylvania |
| 12 | Edna C. Thomas | 39 | Wife-H | — | Illinois |
| 13 | David E. Thomas | 12 | Son | — | Pennsylvania |
| 14 | Elizabeth L. Thomas | 10 | Daughter | — | Pennsylvania |
| 15 | Minerva Gordon | 57 | Mother-in-law | — | Illinois |
| 16 | Adolf Hudak | 52 | Head | Laborer | Rumania |
| 17 | Amelia Hudak | 52 | Wife-H | — | Germany |
| 18 | Bertha Hudak | 20 | Daughter | Typist | Pennsylvania |
| 19 | Adale Hudak | 15 | Daughter | — | Pennsylvania |
| 20 | Julius Heidenreich | 32 | Head | Finisher | Vienna-Austria |
| 21 | Hildegarde Heidenreich | 31 | Wife-H | — | Germany |
| 22 | Mildred Heidenreich | 4 | Daughter | — | Pennsylvania |
| 23 | Thelma Heidenreich | 3 | Daughter | — | Pennsylvania |
| 24 | Charles E. Paden | 38 | Head | Salesman | Pennsylvania |
| 25 | Nellie E. Paden | 36 | Wife-H | — | West Virginia |
| 26 | Charles J. Paden | 16 | Son | Errand Boy | Pennsylvania |
| 27 | Eleanor L. Paden | 13 | Daughter | — | Pennsylvania |
| 28 | Robert R. Paden | 11 | Son | — | Pennsylvania |
| 29 | Nellie V. Paden | 9 | Daughter | — | Pennsylvania |
| 30 | Charles F. Rudolph | 39 | Head | Brakeman | Pennsylvania |
| 31 | Grace Rudolph | 37 | Wife-H | — | Pennsylvania |
| 32 | Emma M. Rudolph | 17 | Daughter | — | Pennsylvania |
| 33 | Katherine A. S. Bach | 13 | Niece | — | Pennsylvania |
| 34 | Edward Freak | 40 | Head | Motorman | Pennsylvania |
| 35 | Catherine Freak | 44 | Wife-H | — | Ohio |
| 36 | Edward Jr. Freak | 14 | Son | — | Pennsylvania |
| 37 | John H. Freak | 50 | Brother | — | Pennsylvania |
| 38 | Harry H. Kranse | 45 | Head | Painter | Berlin-Germany |
| 39 | Clara A. Kranse | 41 | Wife-H | — | Pennsylvania |
| 40 | Mary Leysdig | 35 | Sister-in-law | Cook | Pennsylvania |
| 41 | Clarence L. Leysdig | 13 | Nephew | — | Pennsylvania |
| 42 | Elizabeth J. Leysdig | 10 | Niece | — | Pennsylvania |
| 43 | Clara L. Leysdig | 6 | Niece | — | Pennsylvania |
| 44 | Joseph M. Mccarthy | 37 | Head | Salesman | Massachusetts |
| 45 | Matilda U. Mccarthy | 35 | Wife-H | — | Germany |
| 46 | Fred Bach | 50 | Head | — | Rhld-Germany |
| 47 | Frances M. Bach | 35 | Wife-H | — | Pennsylvania |
| 48 | Frank C. Mccullough | 39 | Head | Operator Charging Machine | Pennsylvania |
| 49 | Emma C. Mccullough | 36 | Wife-H | — | Pennsylvania |
| 50 | Dolores R. Mccullough | 6 | Daughter | — | Pennsylvania |
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)