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Mary Hickman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Pennsylvania
Our Model Tree links this Mary Hickman across the 1920, 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 4-person household.
Age 74
b. ~1866
Female
Head
Born: Pennsylvania
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Pennsylvania |
| Surname | Hickman |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Donora Borough |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Donora Borough |
| Est. Birth Year | ~1866 |
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 |
|---|---|---|---|---|
| Mary Hickman | Head | — | 74 | ~1866 |
| Sarah Hickman | Daughter | — | 53 | ~1887 |
| Kenneth Hickman | Son | — | 35 | ~1905 |
| Fred Hickman | Son | — | 45 | ~1895 |
Census Appearances
1920
Washington, Pennsylvania
Spouse, age 53
Washington, Pennsylvania · implied b. ~1867 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hickman |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Washington, Pennsylvania
Head, age 64
Washington, Pennsylvania · implied b. ~1866 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hickman |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30.00 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Washington-County, Pennsylvania
Head, age 74
Washington-County, Pennsylvania · implied b. ~1866 — 4 household members
| Surname | Hickman |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Donora Borough |
| 1935 Residence (County) | Washington |
| Income (1939) | 0 |
| Highest Grade | No |
| 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 Hickman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Hickman
Head · 1940 · age 74 · b. ~1866 · Pennsylvania
★ 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 — Washington-County, Pennsylvania
Open full size
1940 US Federal Census — Washington-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03622-00427)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Kelly | 17 | Daughter | New Worker | Ireland |
| 2 | Lewis Quick | 56 | Head | Butcher | Czechoslovakia |
| 3 | Rose Quick | 54 | Wife | — | Czechoslovakia |
| 4 | Sylvia Quick | 24 | Daughter | Secretary | Pennsylvania |
| 5 | Isabelle Quick | 22 | Daughter | Saleslady | Pennsylvania |
| 6 | Harry Quick | 22 | Son | Saleslady | Pennsylvania |
| 7 | Sarah Hollander | 32 | Head | — | Pennsylvania |
| 8 | Marianne Hollander | 7 | Son | — | Pennsylvania |
| 9 | Mary Dombrosky | 23 | Head | — | Austria |
| 10 | George Dombrosky | 42 | Son | Millwright | Pennsylvania |
| 11 | Andrew Dombrosky | 40 | Son | Rod Mill | Pennsylvania |
| 12 | Stephen Dombrosky | 38 | Head | Holder Operator | Pennsylvania |
| 13 | Theresa Dombrosky | 31 | Wife | — | Austria |
| 14 | Dennis J. Mchugh | 52 | Head | Heater | Ireland |
| 15 | Sarah D. Mchugh | 48 | Wife | — | Pennsylvania |
| 16 | Mary Clara Mchugh | 19 | Daughter | — | Pennsylvania |
| 17 | Richard Williamson | 25 | Lodger | Teacher | Ohio |
| 18 | Arthur C. Fox | 23 | Lodger | Accounting | Massachusetts |
| 19 | Nellie Lawrence | 54 | Head | — | Pennsylvania |
| 20 | Harold Lawrence | 25 | Son | — | Pennsylvania |
| 21 | Martin Walusie | 29 | Head | Bookkeeper | Pennsylvania |
| 22 | Florence Walusie | 29 | Wife | — | Pennsylvania |
| 23 | Irene J. Walusie | 4 | Daughter | — | Pennsylvania |
| 24 | Mary Hickman THIS PERSON | 74 | Head | — | Pennsylvania |
| 25 | Sarah Hickman | 53 | Daughter | Nurse | Pennsylvania |
| 26 | Fred Hickman | 45 | Son | 16 | Pennsylvania |
| 27 | Kenneth Hickman | 35 | Son | 16 | Pennsylvania |
| 28 | Charles Nedetsky | 45 | Head | Policeman | Pennsylvania |
| 29 | Veronica Nedetsky | 44 | Wife | — | Pennsylvania |
| 30 | Virginia M. Nedetsky | 19 | Daughter | — | Pennsylvania |
| 31 | Frank Artuso | 40 | Head | Salesman | Italy |
| 32 | Rosina Artuso | 31 | Wife | Saleslady | Italy |
| 33 | Joseph Artuso | 12 | Son | — | Pennsylvania |
| 34 | Philomena Artuso | 11 | Daughter | — | Pennsylvania |
| 35 | Charles B. Fullerton | 43 | Head | Mill Wright | Pennsylvania |
| 36 | Deborah Fullerton | 36 | Wife | — | Pennsylvania |
| 37 | Nancy Lynn Fullerton | 2 | Daughter | — | Pennsylvania |
| 38 | Anthony Viscos | 51 | Head | Wire Drawer | Lithuania |
| 39 | Anna Viscos | 49 | Wife | — | Lithuania |
| 40 | Paul Tankus | 21 | Son-in-law | New Worker | Pennsylvania |
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)