WT
Walter Thomas — 1920 US Census Record
Model Tree available1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Walter Thomas across the 1900, 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Conrad & Catherine — first a son (b.~1895), then head of a 3-person household.
Age 25
b. ~1895
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Thomas |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Germany |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Clerk |
| Industry | Electric |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | City Of Pittsburgh |
| Est. Birth Year | ~1895 |
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 1920 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Conrad Thomas | Head | — | 61 | ~1859 |
| Walter Thomas | Son | — | 25 | ~1895 |
| Catherine Thomas | Spouse | — | 60 | ~1860 |
Census Appearances
1900
Allegheny, Pennsylvania
Son, age 4
Allegheny, Pennsylvania · implied b. ~1896 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Walter S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Jan |
| Birth Year | 1896 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Allegheny, Pennsylvania
Son, age 14
Allegheny, Pennsylvania · implied b. ~1896 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Walter L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 25
Allegheny, Pennsylvania · implied b. ~1895 — 3 household members
| Surname | Thomas |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Germany |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerk |
| Industry | Electric |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Walter Thomas across 3 US Census years (1900, 1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father Conrad Thomas (~0.92 confidence) and mother Catherine Thomas (~0.92 confidence) and mother Carrie Thomas (~0.92 confidence) and mother Harriet Thomas (~0.92 confidence) and father William Thomas (~0.92 confidence) and father William Thomas (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Conrad Thomas
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Catherine Thomas
b. ~1860
Source mother
● Household
· direct · ~0.92
Mother
Carrie Thomas
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Harriet Thomas
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
William Thomas
b. ~1871
Source father
● Household
· direct · ~0.92
Father
William Thomas
b. ~1872
Source father
● Household
· direct · ~0.92
This person
Anchor record
Walter Thomas
Son · 1920 · age 25 · b. ~1895 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Allegheny, Pennsylvania
Open full size
1920 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1521unit:0087)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harry William | 6 | Son | — | Pennsylvania |
| 52 | Anna | 1 | Daughter | — | Pennsylvania |
| 53 | Conrad Thomas | 61 | Head | Labor | Germany |
| 54 | Catherine Thomas | 60 | Wife | — | Pennsylvania |
| 55 | Walter Thomas THIS PERSON | 25 | Son | Clerk | Pennsylvania |
| 56 | James Casey | 29 | Head | Clerk | Pennsylvania |
| 57 | Florence Casey | 28 | Wife | — | Pennsylvania |
| 58 | Elmer Casey | 1 | Son | — | Pennsylvania |
| 59 | Charles Sather | 35 | Brother-in-law | Clerk | Pennsylvania |
| 60 | John Evans | 45 | Head | Stationary Engineer | Wales |
| 61 | Margaret Evans | 41 | Wife | — | Pennsylvania |
| 62 | John H. Evans | 16 | Son | Apprentice | Pennsylvania |
| 63 | Paul E. Evans | 15 | Son | — | Pennsylvania |
| 64 | Charles Evans | 9 | Son | — | Pennsylvania |
| 65 | Margaret E. Evans | 3 | Daughter | — | Pennsylvania |
| 66 | Charles Kussmaul | 48 | Head | Labor | Pennsylvania |
| 67 | Helen Kussmaul | 43 | Wife | — | Pennsylvania |
| 68 | Hilda Kussmaul | 22 | Daughter | Operator | Pennsylvania |
| 69 | Clara Kussmaul | 21 | Daughter | Bookkeeper | Pennsylvania |
| 70 | Helen Kussmaul | 18 | Daughter | Operator | Pennsylvania |
| 71 | Charles Kussmaul | 16 | Son | — | Pennsylvania |
| 72 | Antonia Kussmaul | 11 | Daughter | — | Pennsylvania |
| 73 | Dora Kussmaul | 8 | Daughter | — | Pennsylvania |
| 74 | George Conrad | 61 | Head | — | Pennsylvania |
| 75 | Alice Conrad | 29 | Wife | Labor | Pennsylvania |
| 76 | Edward Conrad | 27 | Son | Pipe Fitter | Pennsylvania |
| 77 | Herman Conrad | 25 | Son | Labor | Pennsylvania |
| 78 | Andrew Conrad | 20 | Son | Electrician | Pennsylvania |
| 79 | Marcus Conrad | 18 | Son | Polisher | Pennsylvania |
| 80 | Agatha Conrad | 16 | Daughter | — | Pennsylvania |
| 81 | George Conrad | 34 | Head | Cutter | Pennsylvania |
| 82 | Ellen Conrad | 31 | Wife | — | Pennsylvania |
| 83 | Mildred Conrad | 11 | Daughter | — | Pennsylvania |
| 84 | Henry Amend | 60 | Head | Labor | Germany |
| 85 | Anna Amend | 55 | Wife | — | Germany |
| 86 | John Amend | 31 | Son | Labor | Pennsylvania |
| 87 | Christina Amend | 23 | Daughter | Operator | Pennsylvania |
| 88 | Mike Melcher | 38 | Roomer | Labor | Pennsylvania |
| 89 | Frank Unter | 36 | Roomer | Labor | Pennsylvania |
| 90 | Hugh Daly | 76 | Head | Watchman | Scotland |
| 91 | Sarah Daly | 60 | Wife | — | Ireland |
| 92 | Catherine Daly | 25 | Daughter | Bookkeeper | Pennsylvania |
| 93 | James Daly | 23 | Son | Conductor | Pennsylvania |
| 94 | James Hughes | 36 | Head | Truck Driver | Ireland |
| 95 | Elizabeth Hughes | 33 | Wife | — | Ireland |
| 96 | Dorothy Hughes | 4 | Daughter | — | Pennsylvania |
| 97 | Joseph Rock | 67 | Head | Labor | Ireland |
| 98 | Alice Rock | 69 | Wife | — | Ireland |
| 99 | Henry Doerr | 62 | Head | Brakeman | Pennsylvania |
| 100 | Minnie Doerr | 54 | Wife | — | Pennsylvania |
Pedigree Summary
Walter
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)