RT
Robert Thompson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Robert Thompson across the 1900, 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Robert & Robert — first a son (b.~1896), then head of a 5-person household.
Age 24
b. ~1896
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Thompson |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Salesman |
| Industry | Dry Goods |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Salesman |
| Township / Ward | Ben Avon Borough |
| Est. Birth Year | ~1896 |
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 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Thompson | Head | — | 57 | ~1863 |
| Richard Irwin | Other | — | 25 | ~1895 |
| Mary Irwin | Other | — | 54 | ~1866 |
| Wallace Thompson | Son | — | 22 | ~1898 |
| Robert Thompson | Son | — | 24 | ~1896 |
Census Appearances
1900
Allegheny, Pennsylvania
Son, age 6
Allegheny, Pennsylvania · implied b. ~1894 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Nov |
| Birth Year | 1894 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Allegheny, Pennsylvania
Son, age 15
Allegheny, Pennsylvania · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 24
Allegheny, Pennsylvania · implied b. ~1896 — 5 household members
| Surname | Thompson |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Salesman |
| Industry | Dry Goods |
| 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 Robert Thompson across 3 US Census years (1900, 1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father Robert Thompson (~0.92 confidence) and father Robert Thompson (~0.92 confidence) and mother Bessie Thompson (~0.92 confidence) and mother Desdemona Thompson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Thompson
b. ~1862
Source father
● Household
· direct · ~0.92
Father
Robert Thompson
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Bessie Thompson
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Desdemona Thompson
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Thompson
Son · 1920 · age 24 · b. ~1896 · Pennsylvania
★ You are viewing this record
Sibling
Wallace Thompson
Sibling · 1920 · age 22
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
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:1920:14thcensusofpopu1509unit:0539)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Flora B. Evans | 43 | Wife | — | Pennsylvania |
| 52 | Margaret B. Evans | 13 | Daughter | — | Pennsylvania |
| 53 | Robert L. Evans | 7 | Son | — | Pennsylvania |
| 54 | Helen Evans | 4 | Daughter | — | Pennsylvania |
| 55 | Catherine Evans | 2 | Daughter | — | Pennsylvania |
| 56 | Robert L. Thompson | 57 | Head | Merchant | Pennsylvania |
| 57 | Robert L. Thompson THIS PERSON | 24 | Son | Salesman | Pennsylvania |
| 58 | Wallace M. Thompson | 22 | Son | — | Pennsylvania |
| 59 | Mary H. Irwin | 54 | Sister-in-law | — | Pennsylvania |
| 60 | Richard W. Irwin | 25 | Nephew | — | Pennsylvania |
| 61 | Frank R. Evans | 46 | Head | Merchant | Pennsylvania |
| 62 | Bertha B. Evans | 44 | Wife | — | Pennsylvania |
| 63 | Mary A. Evans | 21 | Daughter | — | Pennsylvania |
| 64 | Frank R. Evans | 19 | Son | — | Pennsylvania |
| 65 | George F. Evans | 12 | Son | — | Pennsylvania |
| 66 | Samuel Patterson | 50 | Head | Secretary | Pennsylvania |
| 67 | Phoebe M. Patterson | 47 | Wife | — | Pennsylvania |
| 68 | Robert M. Patterson | 22 | Son | — | Pennsylvania |
| 69 | Margaret L. Patterson | 12 | Daughter | — | Pennsylvania |
| 70 | John G. Miller | 43 | Head | Order Clerk | Pennsylvania |
| 71 | Alice J. Miller | 46 | Wife | — | Pennsylvania |
| 72 | Katherine R. Miller | 12 | Daughter | — | Pennsylvania |
| 73 | Karl F. Miller | 9 | Son | — | Pennsylvania |
| 74 | Gertrude Shotte | 41 | Sister-in-law | Stenographer | Pennsylvania |
| 75 | Joseph L. Robb | 40 | Head | Attorney | Pennsylvania |
| 76 | Mary H. Robb | 36 | Wife | — | Pennsylvania |
| 77 | Joseph L. Jr. Robb | 3 | Son | — | Pennsylvania |
| 78 | Mary Straka | 16 | Maid | Servant | Pennsylvania |
| 79 | Jessie Lamon | 57 | Head | — | Pennsylvania |
| 80 | Mary E. Lamon | 52 | Sister | Clerk | Pennsylvania |
| 81 | Royal F. Adams | 35 | Head | Agent | Pennsylvania |
| 82 | Ethel H. Adams | 33 | Wife | — | Pennsylvania |
| 83 | Jean H. Adams | 11 | Daughter | — | Ohio |
| 84 | Royal F. Adams | 9 | Son | — | Ohio |
| 85 | Catherine F. Adams | 6 | Daughter | — | Ohio |
| 86 | Betty H. Adams | 6 | Daughter | — | Ohio |
| 87 | Joseph R. Adams | 4 | Son | — | West Virginia |
| 88 | William F. Adams | 2 | Son | — | West Virginia |
| 89 | John Rothenberger | 45 | Head | Pilot | Ohio |
| 90 | Sarah Rothenberger | 39 | Wife | — | Pennsylvania |
| 91 | Jay G. Rothenberger | 15 | Son | — | Pennsylvania |
| 92 | Margaret A. Rothenberger | 12 | Daughter | — | Pennsylvania |
| 93 | Katie Palinciewicz | 26 | Maid | Servant | Austria |
| 94 | William T. Wolff | 61 | Head | Station Superintendent | Ohio |
| 95 | Fanny B. Wolff | 54 | Wife | — | Ohio |
| 96 | Maud R. Neely | 48 | Head | Teacher | Pennsylvania |
| 97 | Rodgers F. Neely | 15 | Son | — | Pennsylvania |
| 98 | Albert Heffley | 27 | Head | Clerk | Pennsylvania |
| 99 | Marie E. Heffley | 26 | Wife | — | Pennsylvania |
| 100 | Harry Howell | 44 | Head | Chief Clerk | Maryland |
Pedigree Summary
Robert + 1 sibling
Gen 1 · 4 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)