MS
Margaret Simpson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Margaret Simpson across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed), with identified parents James & Samuel — first a daughter (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Simpson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Washington Township |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | engraver |
| Industry | register |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 322 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Engraver |
| Township / Ward | Washington Township |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| Ralph Simpson | Son | — | 23 | ~1917 |
| Carter Simpson | Son | — | 16 | ~1924 |
| Carol Simpson | Daughter | — | 10 | ~1930 |
| Margaret Simpson | Daughter | — | 21 | ~1919 |
| Samuel Simpson | Head | — | 54 | ~1886 |
| Willard Simpson | Son | — | 19 | ~1921 |
| Clara Simpson | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Montgomery, Ohio
Daughter, age
Montgomery, Ohio · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Margaret R |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Montgomery, Ohio
Daughter, age 11
Montgomery, Ohio · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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
Montgomery-County, Ohio
Daughter, age 21
Montgomery-County, Ohio · implied b. ~1919 — 7 household members
| Surname | Simpson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Washington Township |
| 1935 Residence (County) | Montgomery |
| Occupation | engraver |
| Industry | register |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 322 |
| Highest Grade | H 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 Margaret Simpson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Simpson (~0.92 confidence) and father Samuel Simpson (~0.92 confidence) and father Samuel Simpson (~0.92 confidence) and mother Clara Simpson (~0.92 confidence) and mother Flora Simpson (~0.92 confidence) and mother Lola Simpson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Simpson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Samuel Simpson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Samuel Simpson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Clara Simpson
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Flora Simpson
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Lola Simpson
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Simpson
Daughter · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Carter Simpson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Simpson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carol Simpson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willard Simpson
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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03120-00606)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Gebhart | 52 | Head | Farmer | Ohio |
| 2 | Cora Gebhart | 50 | Wife | — | Ohio |
| 3 | Roy Kohl | 59 | Head | Farmer | Ohio |
| 4 | Josephine Kohl | 64 | Wife | — | Ohio |
| 5 | Henry Baun | 59 | Head | Tool | Ohio |
| 6 | Clara Baun | 59 | Wife | — | Ohio |
| 7 | Howard Baun | 28 | Son | Tool Engineering | Ohio |
| 8 | Ralph Baun | 20 | Son | — | Ohio |
| 9 | Charles Kline | 76 | Head | Farmer | Ohio |
| 10 | Margaret Kline | 62 | Wife | — | Ohio |
| 11 | Walter E Deis | 41 | Son-in-law | Tool Designer | Ohio |
| 12 | Mary E Deis | 37 | Daughter | — | Ohio |
| 13 | Mary M Deis | 10 | Granddaughter | — | Ohio |
| 14 | Elmer Sherman | 38 | Head | Secretary | Indiana |
| 15 | Loretta Sherman | 38 | Wife | — | Indiana |
| 16 | Thomas Sherman | 1 | Son | — | Ohio |
| 17 | Samuel Simpson | 54 | Head | Farmer | Ohio |
| 18 | Clara Simpson | 50 | Wife | — | Ohio |
| 19 | Ralph Simpson | 23 | Son | Stock Clerk | Ohio |
| 20 | Margaret Simpson THIS PERSON | 21 | Daughter | Engraver | Ohio |
| 21 | Willard Simpson | 19 | Son | Assembler | Ohio |
| 22 | Carter Simpson | 16 | Son | — | Ohio |
| 23 | Carol Simpson | 10 | Daughter | — | Ohio |
| 24 | Gerald C Grout | 37 | Head | Doctor | Ohio |
| 25 | Elinor Grout | 34 | Wife | — | Ohio |
| 26 | James Grout | 6 | Son | — | Michigan |
| 27 | Ellen Grout | 4 | Daughter | — | Ohio |
| 28 | David Grout | 0 | Son | — | Ohio |
| 29 | Daisy Grout | 64 | Mother | — | Ohio |
| 30 | Twila Williams | 24 | Maid | Maid | Ohio |
| 31 | Wilbur Early | 44 | Head | Dentist | Ohio |
| 32 | Clarice Early | 40 | Wife | — | Ohio |
| 33 | Charles Lause | 40 | Head | Building Supervisor | Ohio |
| 34 | Dorothy Lause | 39 | Wife | — | Ohio |
| 35 | Charles Jr Lause | 18 | Son | — | Kansas |
| 36 | Allen Watkins | 52 | Head | Farmer | Ohio |
| 37 | Julia Watkins | 51 | Wife | — | Ohio |
| 38 | Margaret Watkins | 23 | Daughter | — | Ohio |
| 39 | Marie Watkins | 23 | Daughter | Beautician | Ohio |
| 40 | Sheldon Miller | 22 | Head | Tool Maker | Ohio |
Pedigree Summary
Margaret + 4 siblings
Gen 1 · 6 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)