MA
Mary Atkinson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Atkinson across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Harry & May — first a daughter (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Atkinson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | O'Hara Township |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Ohara Township |
| Est. Birth Year | ~1918 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Atkinson | Spouse | — | 46 | ~1894 |
| John Atkinson | Son | — | 18 | ~1922 |
| Jacqueline Atkinson | Daughter | — | 16 | ~1924 |
| Vincent Stansberry | Other | — | 44 | ~1896 |
| William Atkinson | Son | — | 24 | ~1916 |
| Henry Atkinson | Head | — | 50 | ~1890 |
| Hazel Atkinson | Daughter | — | 20 | ~1920 |
| Mary Atkinson | Daughter | — | 22 | ~1918 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 1
Allegheny, Pennsylvania · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Atkinson |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Atkinson |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 22
Allegheny-County, Pennsylvania · implied b. ~1918 — 8 household members
| Surname | Atkinson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | O'Hara Township |
| 1935 Residence (County) | Allegheny |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Harry Atkinson (~0.92 confidence) and mother May Atkinson (~0.92 confidence) and father Harry Atkinson (~0.92 confidence) and father Henry Atkinson (~0.92 confidence) and mother Mary Atkinson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Atkinson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
May Atkinson
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Harry Atkinson
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Henry Atkinson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Mary Atkinson
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Atkinson
Daughter · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
William Atkinson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jacqueline Atkinson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Atkinson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Atkinson
Sibling · 1940 · age 18
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03414-00005)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Atkinson | 50 | Head | Manufacturing Foreman | Pennsylvania |
| 2 | Mary Atkinson | 46 | Wife | — | Pennsylvania |
| 3 | William Atkinson | 24 | Son | Laborer | Pennsylvania |
| 4 | Mary Atkinson THIS PERSON | 22 | Daughter | — | Pennsylvania |
| 5 | Hazel Atkinson | 20 | Daughter | — | Pennsylvania |
| 6 | John Atkinson | 18 | Son | — | Pennsylvania |
| 7 | Jacqueline Atkinson | 16 | Daughter | — | Pennsylvania |
| 8 | Vincent Stansberry | 44 | Brother-in-law | Garden Laborer | Pennsylvania |
| 9 | Fred Harrison | 48 | Head | Mine Operator | Pennsylvania |
| 10 | Edna Harrison | 51 | Wife | — | Pennsylvania |
| 11 | Edna Mae Harrison | 14 | Daughter | — | Pennsylvania |
| 12 | Phillip Harrison | 20 | Son | General Maintenance | Pennsylvania |
| 13 | James Lawrence | 51 | Head | Attorney | Kansas |
| 14 | Jessie Lawrence | 45 | Wife | — | Indiana |
| 15 | Virginia Lawrence | 22 | Daughter | Graduate Nurse | Pennsylvania |
| 16 | James Lawrence | 26 | Son | Retail Salesman | Pennsylvania |
| 17 | Margaret Lawrence | 22 | Daughter-in-law | — | Pennsylvania |
| 18 | Thomas Lawrence | 24 | Son | Retail Salesman | Pennsylvania |
| 19 | Esther Lawrence | 22 | Daughter-in-law | — | Pennsylvania |
| 20 | Marion W. Steen | 53 | Head | Architect | Pennsylvania |
| 21 | Arlene Steen | 47 | Wife | — | Ohio |
| 22 | Cortlandt Steen | 21 | Son | — | Pennsylvania |
| 23 | James Steen | 19 | Son | — | Pennsylvania |
| 24 | Robert Steen | 15 | Son | — | Pennsylvania |
| 25 | William Mitchell | 16 | Nephew | — | Pennsylvania |
| 26 | Soren Brynn | 31 | Head | Vault Custodian | Pennsylvania |
| 27 | Agnes Brynn | 34 | Wife | — | Pennsylvania |
| 28 | Stewart Brynn | 5 | Son | — | Pennsylvania |
| 29 | Walter H. Bruggeman | 49 | Head | Bank Cashier | Pennsylvania |
| 30 | Isabel Bruggeman | 40 | Wife | — | Pennsylvania |
| 31 | James Bruggeman | 11 | Son | — | Pennsylvania |
| 32 | Elmer Grinder | 45 | Head | Assistant Production Foreman | Pennsylvania |
| 33 | Beatrice Grinder | 43 | Wife | — | Pennsylvania |
| 34 | Ronald Grinder | 14 | Son | — | West Virginia |
| 35 | Herman Sachs | 67 | Head | Butcher | Pennsylvania |
| 36 | Birdie Sachs | 67 | Wife | — | Pennsylvania |
| 37 | Lyle R. Mercer | 26 | Head | Assistant Head Personnel Dept. | Pennsylvania |
| 38 | Eleanor Mercer | 24 | Wife | Music Teacher | Pennsylvania |
| 39 | Paul C. Stauffer | 39 | Head | Principal | Pennsylvania |
| 40 | Helen Stauffer | 32 | Wife | — | Pennsylvania |
Related Census Records
Pedigree Summary
Mary + 4 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)