HT
Helen Thompson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Helen Thompson across the 1900, 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Jesse & James — first a daughter (b.~1894), then head of a 7-person household.
Age 26
b. ~1894
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Thompson |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| 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 | Pittsburgh City |
| 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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Irene Thompson | Daughter | — | 23 | ~1897 |
| Helen Thompson | Daughter | — | 26 | ~1894 |
| Mary Thompson | Head | — | 55 | ~1865 |
| Marjorie Mcknight | Other | — | 11 | ~1909 |
| George Mcknight | Other | — | 41 | ~1879 |
| William Thompson | Son | — | 16 | ~1904 |
| Howard Thompson | Son | — | 26 | ~1894 |
Census Appearances
1900
Allegheny, Pennsylvania
Daughter, age 5
Allegheny, Pennsylvania · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Hellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Nov |
| Birth Year | 1895 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Allegheny, Pennsylvania
Daughter, age 16
Allegheny, Pennsylvania · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Daughter, age 26
Allegheny, Pennsylvania · implied b. ~1894 — 7 household members
| Surname | Thompson |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| 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 |
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 (1900, 1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father Jesse Thompson (~0.92 confidence) and father James Thompson (~0.92 confidence) and mother Eldora Thompson (~0.92 confidence) and mother Mary Thompson (~0.92 confidence) and mother Hellen Thompson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jesse Thompson
b. ~1852
Source father
● Household
· direct · ~0.92
Father
James Thompson
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Eldora Thompson
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Mary Thompson
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Hellen Thompson
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Thompson
Daughter · 1920 · age 26 · b. ~1894 · Pennsylvania
★ You are viewing this record
Sibling
William Thompson
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Thompson
Sibling · 1920 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Thompson
Sibling · 1920 · age 23
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:1920:14thcensusofpopu1517unit:0990)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Max Wolf | 56 | Boarder | Wholesale Merchant | Germany |
| 52 | Carrie Wolf | 52 | Sister | — | Germany |
| 53 | Anna N. Bucks | 28 | Servant | Servant | Austria |
| 54 | Mary Morrison | 54 | Servant | Servant | Austria |
| 55 | Mary W. Thompson | 55 | Head | — | Ireland |
| 56 | Helen M. Thompson THIS PERSON | 26 | Daughter | — | Pennsylvania |
| 57 | Howard A. Thompson | 26 | Son | Pattern Maker | Pennsylvania |
| 58 | Irene A. Thompson | 23 | Daughter | Stenographer | Pennsylvania |
| 59 | William A. Thompson | 16 | Son | — | Pennsylvania |
| 60 | George S. Mcknight | 41 | Brother | Booker | Ireland |
| 61 | Marjorie Mcknight | 11 | Niece | — | Pennsylvania |
| 62 | Andrew H. Bell | 41 | Head | Wholesale Merchant | Ireland |
| 63 | Mary D. Bell | 35 | Wife | — | France |
| 64 | Margaret Bell | 9 | Daughter | — | Pennsylvania |
| 65 | Virginia R. Bell | 7 | Daughter | — | Pennsylvania |
| 66 | Robert Bell | 5 | Son | — | Pennsylvania |
| 67 | Mary Bell | 3 | Daughter | — | Pennsylvania |
| 68 | Helen E. Bell | 1 | Daughter | — | Pennsylvania |
| 69 | Bridget Daily | 17 | Servant | Servant | Ireland |
| 70 | Clarence L. Furst | 39 | Head | Machinist | Pennsylvania |
| 71 | Clara J. Furst | 34 | Wife | — | Russia |
| 72 | James L. Furst | 4 | Son | — | Pennsylvania |
| 73 | David Bogushus | 55 | Lodger | Salesman | New York |
| 74 | Jane Fisher | 68 | Head | — | Wales |
| 75 | Velma M. Fisher | 38 | Daughter | Stenographer | Wales |
| 76 | Oscar J. Taylor | 42 | Head | Attorney Law | New York |
| 77 | Elsie C. Taylor | 43 | Wife | — | Pennsylvania |
| 78 | John C. Taylor | 10 | Son | — | New York |
| 79 | Thomas S. Taylor | 8 | Son | — | New York |
| 80 | Robert S. Taylor | 5 | Son | — | New York |
| 81 | William D. Taylor | 3 | Son | — | New York |
| 82 | Violet G. Pierce | 10 | Boarder | — | Pennsylvania |
| 83 | John C. O'Donnell | 84 | Head | Wholesale Merchant | Ireland |
| 84 | Margaret O'Donnell | 83 | Wife | — | Ireland |
| 85 | Molly C. O'Donnell | 46 | Daughter | Bookkeeper | Pennsylvania |
| 86 | Anna O'Donnell | 50 | Daughter | Stenographer | Pennsylvania |
| 87 | Margaret D. Lawton | 40 | Daughter | — | Pennsylvania |
| 88 | Katherine M. Lawton | 14 | Granddaughter | — | Pennsylvania |
| 89 | Margaret C. Lawton | 12 | Granddaughter | — | Pennsylvania |
| 90 | Joseph G. Hodell | 55 | Head | Superintendent | Pennsylvania |
| 91 | Elizabeth A. Hodell | 49 | Wife | — | Pennsylvania |
| 92 | Marie E. Hodell | 24 | Daughter | School Teacher | Pennsylvania |
| 93 | Isabelle F. Hodell | 20 | Daughter | Stenographer | Pennsylvania |
| 94 | Thomas Young | 62 | Head | — | Scotland |
| 95 | Mary B. Young | 53 | Wife | — | Pennsylvania |
| 96 | Anna D. Young | 34 | Daughter | — | Pennsylvania |
| 97 | Mary B. Young | 19 | Daughter | — | Pennsylvania |
| 98 | Jeremiah J. Carroll | 45 | Head | Wholesale Merchant | Ireland |
| 99 | Mary C. Carroll | 37 | Wife | — | Pennsylvania |
| 100 | Theresa C. Cassidy | 35 | Boarder | Stat Clerk | Pennsylvania |
Pedigree Summary
Helen + 3 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)