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Mary Lucas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Pennsylvania
Our Model Tree links this Mary Lucas across the 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 9-person household.
Age 43
b. ~1897
Female
Spouse
Born: Austria
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Pennsylvania |
| Surname | Lucas |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Austria |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Washington |
| Naturalization Status | First papers filed |
| Additional Details | |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Pennsylvania |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
| Township / Ward | West Pike Run Township |
| Est. Birth Year | ~1897 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Lucas | Daughter | — | 10 | ~1930 |
| Julia Lucas | Daughter | — | 20 | ~1920 |
| Anna Lucas | Daughter | — | 17 | ~1923 |
| Joseph Lucas | Head | — | 52 | ~1888 |
| Andrew Lucas | Son | — | 18 | ~1922 |
| Steve Lucas | Son | — | 13 | ~1927 |
| Paul Lucas | Son | — | 8 | ~1932 |
| Joe Lucas | Son | — | 22 | ~1918 |
| Mary Lucas | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Washington, Pennsylvania
Spouse, age 33
Washington, Pennsylvania · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lukas |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Austria |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 20 |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Occupation | Merchant |
| Industry | Grocery |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | Slovak |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1940
Washington-County, Pennsylvania
Spouse, age 43
Washington-County, Pennsylvania · implied b. ~1897 — 9 household members
| Surname | Lucas |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Austria |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Washington |
| Naturalization Status | First papers filed |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Pennsylvania |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
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 Lucas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lucas
Spouse · 1940 · age 43 · b. ~1897 · Pennsylvania
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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-t0627-03626-01030)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annetta Mcgregg | 26 | Wife | — | Pennsylvania |
| 2 | Edwina Mcgregg | 5 | Son | — | Pennsylvania |
| 3 | P. S. Hakins | 58 | Head | Farmer | Pennsylvania |
| 4 | Mary E. Hakins | 54 | Wife | — | Pennsylvania |
| 5 | Vera G. Hakins | 34 | Son | — | Pennsylvania |
| 6 | Gail Salaberry | 17 | Maid | Maid | Pennsylvania |
| 7 | Eila Simparo | 42 | Head | — | Pennsylvania |
| 8 | Grace Simparo | 23 | Son | New Worker | Pennsylvania |
| 9 | Louis Simparo | 18 | Daughter | — | Pennsylvania |
| 10 | Virginia Simparo | 15 | Daughter | — | Pennsylvania |
| 11 | Dorothy Simparo | 12 | Daughter | — | Pennsylvania |
| 12 | Romaine Simparo | 8 | Daughter | — | Pennsylvania |
| 13 | James Sumner | 21 | Head | Miner | Pennsylvania |
| 14 | Anna Sumner | 21 | Wife | — | Pennsylvania |
| 15 | Methodis Horak | 54 | Head | — | Slovakia |
| 16 | Joseph Horak | 27 | Son | Miner | Pennsylvania |
| 17 | Frank Horak | 24 | Son | Crane Operator | Pennsylvania |
| 18 | Cecelia Horak | 20 | Daughter | — | Pennsylvania |
| 19 | Joseph Lucas | 52 | Head | Timber Man | Hungary |
| 20 | Mary Lucas THIS PERSON | 43 | Wife | — | Austria |
| 21 | Joe Lucas | 22 | Son | Miner | Pennsylvania |
| 22 | Julia Lucas | 20 | Daughter | House Worker | Pennsylvania |
| 23 | Andrew Lucas | 18 | Son | New Worker | Pennsylvania |
| 24 | Anna Lucas | 17 | Daughter | — | Pennsylvania |
| 25 | Steve Lucas | 13 | Son | — | Pennsylvania |
| 26 | Helen Lucas | 10 | Daughter | — | Pennsylvania |
| 27 | Paul Lucas | 8 | Son | — | Pennsylvania |
| 28 | Charles Braden | 46 | Head | Principle | Pennsylvania |
| 29 | Ruth Braden | 35 | Wife | Teacher | Pennsylvania |
| 30 | Charlene Braden | 7 | Daughter | — | Pennsylvania |
| 31 | George Rozar | 31 | Head | Principle | Pennsylvania |
| 32 | Zelda Rozar | 22 | Wife | — | Pennsylvania |
| 33 | Clarence Feil | 36 | Head | Shop Forman | Pennsylvania |
| 34 | Myra Feil | 42 | Wife | Principle | Pennsylvania |
| 35 | John W. Morris | 42 | Head | Inspector | Ohio |
| 36 | Blanche Morris | 42 | Wife | — | Pennsylvania |
| 37 | John W. Morris | 19 | Son | — | Pennsylvania |
| 38 | Robert Morris | 15 | Son | — | Pennsylvania |
| 39 | Melvin Morris | 14 | Son | — | Pennsylvania |
| 40 | Rosella Gregg | 38 | Head | — | 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)