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Mary Atkinson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Warren-County, Ohio
Our Model Tree links this Mary Atkinson across the 1920, 1930 and 1940 US Censuses in Warren-County, Ohio (XGBoost, ~Confirmed), with identified parents James & Ada — first a daughter (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Female
Daughter
Born: Ohio
Separated
1940 Census Record Details
| Census Year | 1940 |
| Location | Warren-County, Ohio |
| Surname | Atkinson |
| Given Name | Mary P. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Separated |
| Birthplace | Ohio |
| 1935 Residence (City) | Lebanon Village |
| 1935 Residence (County) | Warren |
| Additional Details | |
| Occupation | Floor lady |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 41 |
| Income (1939) | 1020 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Floor Lady |
| Township / Ward | Lebanon Village |
| Est. Birth Year | ~1905 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| James Montgomery | Head | — | 72 | ~1868 |
| Ada Montgomery | Spouse | — | 63 | ~1877 |
| Mary Atkinson | Daughter | — | 35 | ~1905 |
| R Atkinson | Son | — | 14 | ~1926 |
Census Appearances
1920
Warren, Ohio
Other, age 15
Warren, Ohio · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Atkinson |
| Given Name | Mary |
| Relationship to Head | Step Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Warren, Ohio
Other, age 25
Warren, Ohio · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Atkinson |
| Given Name | Mary F. |
| Relationship to Head | Step-daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Laundress |
| Industry | Laundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Warren-County, Ohio
Daughter, age 35
Warren-County, Ohio · implied b. ~1905 — 4 household members
| Surname | Atkinson |
| Given Name | Mary P. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Separated |
| Birthplace | Ohio |
| 1935 Residence (City) | Lebanon Village |
| 1935 Residence (County) | Warren |
| Occupation | Floor lady |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 41 |
| Income (1939) | 1020 |
| 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 Mary Atkinson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Montgomery (~0.92 confidence) and mother Ada Montgomery (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Montgomery
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Ada Montgomery
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Atkinson
Daughter · 1940 · age 35 · b. ~1905 · Ohio
★ You are viewing this record
Sibling
R Atkinson
Sibling · 1940 · age 14
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 — Warren-County, Ohio
Open full size
1940 US Federal Census — Warren-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03164-00630)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary D. Mounts | 33 | Head | Telephone Supervisor | Ohio |
| 2 | James W. Montgomery | 72 | Head | — | Ohio |
| 3 | Ada Montgomery | 63 | Wife | — | Ohio |
| 4 | Mary P. Atkinson THIS PERSON | 35 | Daughter | Floor Lady | Ohio |
| 5 | R. Herschel Atkinson | 14 | Son | — | Ohio |
| 6 | Norma Wells | 55 | Head | Cook | Ohio |
| 7 | Madine Michael | 24 | Niece | Fitting Room | Ohio |
| 8 | James H. Gutter | 66 | Head | Proprietor | England |
| 9 | Emma Steward | 41 | Lodger | — | Ohio |
| 10 | Edward Little | 22 | Lodger | — | Ohio |
| 11 | Harry R. Liddil | 53 | Head | Iron Worker | Ohio |
| 12 | Margaret Liddil | 51 | Wife | — | Ohio |
| 13 | James R. Liddil | 20 | Son | Trucking Gravel | Ohio |
| 14 | Mabel Liddil | 16 | Daughter | — | Ohio |
| 15 | Ralph Liddil | 13 | Son | — | Ohio |
| 16 | Herman Marshall | 36 | Head | Auto Mechanic | Ohio |
| 17 | Marie R. Marshall | 41 | Wife | — | Ohio |
| 18 | Judy Lu Barnhardt | 14 | Stepdaughter | — | Ohio |
| 19 | William Ludington | 44 | Head | Truck Driver | Ohio |
| 20 | Ethel O. Ludington | 35 | Wife | — | Ohio |
| 21 | Louisa Ludington | 21 | Daughter | Trimmer | Ohio |
| 22 | Emma Ludington | 20 | Daughter | Counter Creaser | Ohio |
| 23 | Goldie Ludington | 15 | Daughter | — | Ohio |
| 24 | Betty Ludington | 13 | Daughter | — | Ohio |
| 25 | Lloyd Johnson | 36 | Head | Washman | Kentucky |
| 26 | Rose D. Johnson | 23 | Wife | — | Ohio |
| 27 | Harvey Johnson | 2 | Son | — | Ohio |
| 28 | Michael Greathouse | 85 | Head | — | Ohio |
| 29 | Mayne Greathouse | 58 | Son | Blacksmith | Ohio |
| 30 | Hasley Hardy | 47 | Head | Plumber | Ohio |
| 31 | Clara Hardy | 46 | Wife | — | Ohio |
| 32 | Hasley Jr. Hardy | 17 | Son | — | Ohio |
| 33 | Thomas Hardy | 15 | Son | — | Ohio |
| 34 | William Albertson | 51 | Head | Laborer | Ohio |
| 35 | Fannie E. Albertson | 38 | Wife | — | Ohio |
| 36 | James Albertson | 8 | Son | — | Ohio |
| 37 | Robert Albertson | 6 | Son | — | Ohio |
| 38 | Inez Albertson | 4 | Daughter | — | Ohio |
| 39 | Evelyn Albertson | 3 | Daughter | — | Ohio |
| 40 | Richard Albertson | 1 | Son | — | Ohio |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 2 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)