HT
Helen Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this Helen Thompson across the 1920, 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed), with identified parents Jas & Joseph — first a daughter (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Thompson |
| Given Name | Helen A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Toledo City |
| Est. Birth Year | ~1917 |
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 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Betty Thompson | Daughter | — | 14 | ~1926 |
| Helen Thompson | Daughter | — | 23 | ~1917 |
| Jas Thompson | Head | — | 56 | ~1884 |
| William Thompson | Son | — | 19 | ~1921 |
| Martha Thompson | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Lucas, Ohio
Daughter, age 4
Lucas, Ohio · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Lucas, Ohio
Daughter, age 14
Lucas, Ohio · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lucas-County, Ohio
Daughter, age 23
Lucas-County, Ohio · implied b. ~1917 — 5 household members
| Surname | Thompson |
| Given Name | Helen A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jas Thompson (~0.92 confidence) and father Joseph Thompson (~0.92 confidence) and mother Martha Thompson (~0.92 confidence) and father Wm Thompson (~0.92 confidence) and mother Martha Thompson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jas Thompson
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Joseph Thompson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Martha Thompson
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Wm Thompson
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Martha Thompson
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Thompson
Daughter · 1940 · age 23 · b. ~1917 · Ohio
★ You are viewing this record
Sibling
Betty Thompson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Thompson
Sibling · 1940 · age 19
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
1940 US Federal Census — Lucas-County, Ohio
Open full size
1940 US Federal Census — Lucas-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03266-00245)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Olive Ryan | 50 | Head | Sales Clerk | Ohio |
| 2 | Mary A Bolger | 82 | Mother | — | Ohio |
| 3 | Alex Nemenee | 46 | Head | Switchman | Ohio |
| 4 | Florence Nemenee | 39 | Wife | — | Ohio |
| 5 | Virginia Nemenee | 17 | Daughter | — | Ohio |
| 6 | Harold Nemenee | 11 | Son | — | Ohio |
| 7 | Jas Thompson | 56 | Head | Clerk R.R. | Ohio |
| 8 | Martha Thompson | 50 | Wife | — | Ohio |
| 9 | Helen A Thompson THIS PERSON | 23 | Daughter | — | Ohio |
| 10 | Betty Thompson | 14 | Daughter | — | Ohio |
| 11 | William Thompson | 19 | Son | — | Ohio |
| 12 | Clifford Burt | 50 | Head | Machinist | Ohio |
| 13 | Hilda Burt | 46 | Wife | — | Ohio |
| 14 | Cyril Burt | 27 | Son | Manager | Ohio |
| 15 | J Ameser | 55 | Head | Proprietor | Ohio |
| 16 | Alice Ameser | 29 | Daughter | Shop Girl | Ohio |
| 17 | Elsie Theton | 19 | Maid | Housework | Ohio |
| 18 | Chas Johnsen | 60 | Head | Car Repair | Germany |
| 19 | Amelia Johnsen | 58 | Wife | — | Poland |
| 20 | Cash Johnsen | 25 | Son | Labor | Ohio |
| 21 | Lawrence Romer | 59 | Head | Car Repair | Ohio |
| 22 | Clara Romer | 64 | Wife | — | Ohio |
| 23 | John Romer | 22 | Son | Ship Clerk | Ohio |
| 24 | Edward Mc Garry | 63 | Head | Stereo Typer | Ohio |
| 25 | Mary E Mc Garry | 63 | Wife | — | Hungary |
| 26 | George F Mc Garry | 30 | Son | School | Ohio |
| 27 | A. D. Rutherford | 53 | Head | Superintendent | Indiana |
| 28 | Mary E Rutherford | 57 | Wife | — | Missouri |
| 29 | James Rutherford | 17 | Son | — | Ohio |
| 30 | A. D. Jr Rutherford | 15 | Son | — | Ohio |
| 31 | Rita Rutherford | 13 | Daughter | — | Ohio |
| 32 | Chas F Rutherford | 12 | Son | — | Ohio |
| 33 | Edward Rutherford | 9 | Son | — | Ohio |
| 34 | Joseph H Rutherford | 7 | Son | — | Ohio |
| 36 | Thos Leybourn | 60 | Head | Farmer | Ohio |
| 37 | Mary Leybourn | 58 | Wife | — | Ohio |
| 38 | Willard Bodi | 50 | Lodger | Labor | Ohio |
| 39 | Vitalis Newman | 54 | Head | Salesman | Missouri |
| 40 | Jessie L Newman | 51 | Wife | Sales Clerk | Kentucky |
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 1940 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)