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Helen Thompson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Helen Thompson across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Robert & Robert — first a daughter (b.~1910), then head of a 6-person household.
Age 10
b. ~1910
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Thompson |
| Given Name | Helen A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Bellevue Borough |
| Est. Birth Year | ~1910 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Thompson | Daughter | — | 10 | ~1910 |
| Robert Thompson | Head | — | 54 | ~1866 |
| John Morrow | Other | — | 21 | ~1899 |
| Robert Thompson | Son | — | 25 | ~1895 |
| E Thompson | Son | — | 19 | ~1901 |
| Anna Thompson | Spouse | — | 52 | ~1868 |
Census Appearances
1910
Allegheny, Pennsylvania
Daughter, age
Allegheny, Pennsylvania · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Daughter, age 10
Allegheny, Pennsylvania · implied b. ~1910 — 6 household members
| Surname | Thompson |
| Given Name | Helen A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 21
Allegheny, Pennsylvania · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Helene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| 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 Helen Thompson across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father Robert Thompson (~0.92 confidence) and father Robert Thompson (~0.92 confidence) and mother Anna Thompson (~0.92 confidence) and mother Annie Thompson (~0.92 confidence) and father Joseph Thompson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Thompson
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Robert Thompson
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Anna Thompson
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Annie Thompson
b. ~1868
Source mother
● Household
· direct · ~0.92
Father
Joseph Thompson
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen Thompson
Daughter · 1920 · age 10 · b. ~1910 · Pennsylvania
★ You are viewing this record
Sibling
E Thompson
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Thompson
Sibling · 1920 · age 25
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:0765)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas J. Gillespie | 62 | Head | Book Keeper | Iowa |
| 52 | Agnes Gillespie | 62 | Wife | — | Pennsylvania |
| 53 | Edward Hoke | 37 | Head | Accountant | Pennsylvania |
| 54 | Mary Hoke | 31 | Wife | — | Pennsylvania |
| 55 | Loraine Hoke | 7 | Daughter | — | Pennsylvania |
| 56 | Edward Hoke | 6 | Son | — | Pennsylvania |
| 57 | Albert G. Dauber | 33 | Head | Store Keeper | Pennsylvania |
| 58 | Sarah J. Dauber | 33 | Wife | — | Pennsylvania |
| 59 | William G. Dauber | 5 | Son | — | Pennsylvania |
| 60 | Robert Thompson | 54 | Head | Printer | Pennsylvania |
| 61 | Anna F. Thompson | 52 | Wife | — | Pennsylvania |
| 62 | Robert H. Thompson | 25 | Son | Printer | Pennsylvania |
| 63 | E. Homer Thompson | 19 | Son | — | Pennsylvania |
| 64 | Helen A. Thompson THIS PERSON | 10 | Daughter | — | Pennsylvania |
| 65 | John Morrow | 21 | Boarder | Clerk | Pennsylvania |
| 66 | John C. Gilchrist | 40 | Head | Chief Clerk | Pennsylvania |
| 67 | Irene M. Gilchrist | 37 | Wife | — | Pennsylvania |
| 68 | Sara C. Gilchrist | 16 | Daughter | — | Pennsylvania |
| 69 | Burton B. Gilchrist | 13 | Son | — | Pennsylvania |
| 70 | John C. Jr. Gilchrist | 5 | Son | — | Pennsylvania |
| 71 | Edward T. Gilchrist | 2 | Son | — | Pennsylvania |
| 72 | Frederick Schmidt | 37 | Head | Jeweler | Germany |
| 73 | Minnie Schmidt | 33 | Wife | — | Pennsylvania |
| 74 | Viola Schmidt | 14 | Daughter | — | Pennsylvania |
| 75 | Dorothy Schmidt | 12 | Daughter | — | Pennsylvania |
| 76 | Renold Schmidt | 7 | Daughter | — | Pennsylvania |
| 77 | Jessie Mckay | None | Head | — | US |
| 78 | Matthew Elder | 47 | Head | Brick Layer | Pennsylvania |
| 79 | Agnes Elder | 40 | Wife | — | Scotland |
| 80 | Mary Elder | 10 | Daughter | — | Pennsylvania |
| 81 | Robert J. Fleming | 45 | Head | Toll Keeper | Pennsylvania |
| 82 | Ada M. Fleming | 52 | Wife | — | Pennsylvania |
| 83 | Robert J. Jr. Fleming | 19 | Son | — | Pennsylvania |
| 84 | Catherine Rippel | 55 | Head | — | Pennsylvania |
| 85 | John H. Rippel | 33 | Son | Sheet Metal Worker | Pennsylvania |
| 86 | Gertrude Rippel | 25 | Daughter | Sales Lady | Pennsylvania |
| 87 | Mary L. Rippel | 23 | Daughter | Stenographer | Pennsylvania |
| 88 | Arthur Rippel | 20 | Son | Shipping Clerk | Pennsylvania |
| 89 | William Mccullough | 50 | Head | Machinist | Pennsylvania |
| 90 | Alice M. Mccullough | 35 | Wife | — | Pennsylvania |
| 91 | Alice P. Mccullough | 4 | Daughter | — | Pennsylvania |
| 92 | Francis M. Mccullough | 2 | Daughter | — | Pennsylvania |
| 93 | Edward Mccullough | 46 | Brother | Machinist | Pennsylvania |
| 94 | William Windstein | 37 | Head | Salesman | Pennsylvania |
| 95 | Mary G. Windstein | 36 | Wife | — | Pennsylvania |
| 96 | William G. Windstein | 5 | Son | — | Pennsylvania |
| 97 | Walter Cunningham | 39 | Head | Salesman | Pennsylvania |
| 98 | Nellie Cunningham | 32 | Wife | — | Pennsylvania |
| 99 | Samuel M. Bacon | 29 | Head | Salesman | Sweden |
| 100 | Anna M. Bacon | 20 | Wife | — | Pennsylvania |
Pedigree Summary
Helen + 2 siblings
Gen 1 · 5 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)