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Margaret Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Margaret Thomas across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents John & Elizabeth — first a daughter (b.~1898), then head of a 7-person household.
Age 42
b. ~1898
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Thomas |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Norwood City |
| Additional Details | |
| Occupation | Secretary |
| Industry | Fertilizer mfg |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1350 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Secretary |
| Township / Ward | Norwood City |
| Est. Birth Year | ~1898 |
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 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Thomas | Daughter | — | 42 | ~1898 |
| Elizabeth Thomas | Head | — | 70 | ~1870 |
| Cosmo Pagano | Other | — | 38 | ~1902 |
| Jasper Richardson | Other | — | 37 | ~1903 |
| Geo Photinos | Other | — | 40 | ~1900 |
| Mary Jones | Other | — | 62 | ~1878 |
| Louis Nipper | Other | — | 36 | ~1904 |
Census Appearances
1920
Hamilton, Ohio
Daughter, age 22
Hamilton, Ohio · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Margaret H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Wales |
| Mother's Birthplace | Ohio |
| Occupation | Stenographer |
| Industry | Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Hamilton, Ohio
Daughter, age 31
Hamilton, Ohio · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Margaret H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Wales |
| Mother's Birthplace | Ohio |
| Occupation | Private Secretary |
| Industry | Union Central Life |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Hamilton-County, Ohio
Daughter, age 42
Hamilton-County, Ohio · implied b. ~1898 — 7 household members
| Surname | Thomas |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Norwood City |
| Occupation | Secretary |
| Industry | Fertilizer mfg |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1350 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Margaret Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Thomas (~0.92 confidence) and mother Elizabeth Thomas (~0.92 confidence) and mother Elizabeth Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Thomas
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Thomas
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Thomas
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Thomas
Daughter · 1940 · age 42 · b. ~1898 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03078-00849)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jackie Smalley | 3 | Son | — | Ohio |
| 2 | T W Harnber | 70 | Head | — | Kentucky |
| 3 | Anna Harnber | 68 | Wife | — | Kentucky |
| 4 | Pauline Harnber | 27 | Daughter | Dairing | Kentucky |
| 5 | Harrow T Breuer | 38 | Lodger | Assembler | Kentucky |
| 6 | Jessie Eaton | 38 | Lodger | Dyer | Kentucky |
| 7 | Bessie Hogue | 27 | Lodger | Inspector | Kentucky |
| 8 | Chas E Armsey | 46 | Head | Meat Cutter | Ohio |
| 9 | Marie Armsey | 41 | Wife | — | Indiana |
| 10 | Floyd Armsey | 22 | Son | — | Ohio |
| 11 | Catherine Dement | 11 | Maid | — | Ohio |
| 12 | Val Gradolf | 71 | Head | Proprietor | Ohio |
| 13 | Mattie Gradolf | 66 | Wife | — | Germany |
| 14 | Mary Rau | 75 | Sister-in-law | — | Germany |
| 15 | Louise Brad | 60 | Sister | — | Ohio |
| 16 | Jos E Cunningham | 54 | Head | Presser | Ohio |
| 17 | Loretta Cunningham | 47 | Wife | — | Ohio |
| 18 | Elmer Cunningham | 10 | Son | — | Ohio |
| 19 | John Cunningham | 6 | Son | — | Ohio |
| 20 | Henry E Hoppe | 56 | Head | — | Indiana |
| 21 | Pearl Biggs | 70 | Lodger | — | Indiana |
| 22 | Ora Stringerford | 52 | Head | Mechanic | Ohio |
| 23 | Bessie Stringerford | 58 | Wife | — | Kentucky |
| 24 | Elizabeth Thomas | 70 | Head | — | Ohio |
| 25 | Margaret Thomas THIS PERSON | 42 | Daughter | Secretary | Kentucky |
| 26 | Mary E Jones | 62 | Sister | — | Ohio |
| 27 | Geo Photinos | 40 | Lodger | Carpenter | Greece |
| 28 | Jasper Richardson | 37 | Lodger | Policeman | Kentucky |
| 29 | Louis Nipper | 36 | Lodger | Painter | Tennessee |
| 30 | Cosmo Pagano | 38 | Lodger | Waiter | New York |
| 31 | Edw J Herzog | 65 | Head | Foreman | Ohio |
| 32 | Sadie Herzog | 64 | Daughter | — | Ohio |
| 33 | Alma Herzog | 32 | Daughter | — | Ohio |
| 34 | Joseph Herzog | 26 | Son | Assembler | Ohio |
| 35 | Mary Herzog | 23 | Daughter | — | Ohio |
| 36 | Edw Jr Herzog | 21 | Son | Chemist | Ohio |
| 37 | Harriett Fridie | 85 | Lodger | — | Ohio |
| 38 | Frank A Butte | 43 | Head | Mechanic | Pennsylvania |
| 39 | Maribel Butte | 35 | Wife | — | Pennsylvania |
| 40 | Mabel R Wood | 61 | Mother | — | Ohio |
Pedigree Summary
Margaret
Gen 1 · 3 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)