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Margaret Black — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Margaret Black across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed), with identified parents Jacob & Noah — first a daughter (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Black |
| Given Name | Margaret L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton City |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Adjusting Company |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1090 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Stenographer |
| Township / Ward | Dayton City |
| Est. Birth Year | ~1913 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Orville Morter | Other | — | 46 | ~1894 |
| Ruth Morter | Daughter | — | 34 | ~1906 |
| Thomas Morter | Other | — | 2 | ~1938 |
| Margaret Black | Daughter | — | 27 | ~1913 |
| Blanche Black | Head | — | 63 | ~1877 |
Census Appearances
1920
Montgomery, Ohio
Daughter, age 6
Montgomery, Ohio · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Margaret L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Montgomery, Ohio
Daughter, age 16
Montgomery, Ohio · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| 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 27
Montgomery-County, Ohio · implied b. ~1913 — 5 household members
| Surname | Black |
| Given Name | Margaret L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton City |
| 1935 Residence (County) | Montgomery |
| Occupation | Stenographer |
| Industry | Adjusting Company |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1090 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| 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 Black across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jacob Black (~0.92 confidence) and father Noah Black (~0.92 confidence) and mother Blanche Black (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jacob Black
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Noah Black
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Blanche Black
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Black
Daughter · 1940 · age 27 · b. ~1913 · Ohio
★ You are viewing this record
Sibling
Ruth Morter
Sibling · 1940 · age 34
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-t0627-03256-00019)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Francis A. Rueth | 44 | Wife | — | Ohio |
| 42 | John A. Grimes | 24 | Head | Junior Engineer | New York |
| 43 | Richard H. Owens | 25 | Lodger | Govt Air Field | Poultney |
| 44 | Larry E. O'Neil | 23 | Partner | Junior Engineer | Minn. |
| 45 | Elwyn L. Treat | 24 | Partner | Junior Engineer | Michigan |
| 46 | Harry C. Kendig | 63 | Head | — | Ohio |
| 47 | Nettie L. Kendig | 63 | Wife | — | Ohio |
| 48 | Howard S. Kendig | 32 | Son | Printer | Ohio |
| 49 | Geo Mrs. Guscel | 94 | Mother in law | — | Ohio |
| 50 | Sabra L. Allen | 50 | Head | Practical Nurse | Ohio |
| 51 | Logan A. Allen | 21 | Son | Service Man | Ohio |
| 52 | Amber Allen | 17 | Daughter | — | Ohio |
| 53 | Fanny K. Allen | 79 | Mother in law | — | Ohio |
| 54 | Blanche Black | 63 | Head | — | Ohio |
| 55 | Margaret L. Black THIS PERSON | 27 | Daughter | Stenographer | Ohio |
| 56 | Orville L. Morter | 46 | Son in law | Foundry Helper | Ohio |
| 57 | Ruth C. Morter | 34 | Daughter | — | Ohio |
| 58 | Thomas H. Morter | 2 | Nephew | — | Ohio |
| 59 | Wm S. Bates | 42 | Head | Beer Salesman | Ohio |
| 60 | Louise T. Bates | 38 | Wife | Saleslady | Illinois |
| 61 | Mary L. Bates | 16 | Daughter | — | Ohio |
| 62 | Wm J. Bates | 14 | Son | — | Ohio |
| 63 | Robt W. Hanselman | 34 | Head | Operator Auto Welder | Ohio |
| 64 | Bessie E. Hanselman | 33 | Wife | — | Indiana |
| 65 | Wilda L. Hanselman | 8 | Daughter | — | Ohio |
| 66 | Bren S. Anderson | 32 | Head | Wood Worker | Tenn |
| 67 | Gladys E. Anderson | 28 | Wife | — | Tenn |
| 68 | Elizabeth H. Kuhn | 81 | Head | — | Ohio |
| 69 | Clarence N. Clary | 54 | Head | Special Clerk Motor Vehicles | Ohio |
| 70 | Florence V. Clary | 50 | Wife | — | Ohio |
| 71 | Lawrence E. Clary | 39 | Son | — | Ohio |
| 72 | Norma E. Macaulay | 41 | Head | Typing & Clerical Work | Ohio |
| 73 | Mary H. Macaulay | 18 | Daughter | — | Ohio |
| 74 | Thomas J. Macaulay | 16 | Son | — | Ohio |
| 75 | Norma E. Macaulay | 10 | Daughter | — | Ohio |
| 76 | Barbara A. Macaulay | 8 | Daughter | — | Ohio |
| 77 | David E. Kuenzel | 31 | Head | Buyer Rug Dept. | Ohio |
| 78 | Albertina M. Kuenzel | 31 | Wife | — | Ohio |
| 79 | Mary J. Kuenzel | 5 | Daughter | — | Ohio |
| 80 | John D. Kuenzel | 2 | Son | — | Ohio |
Pedigree Summary
Margaret + 1 sibling
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)