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Mary Bailey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Pennsylvania
Our Model Tree links this Mary Bailey across the 1920, 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 5-person household.
Age 42
b. ~1898
Female
Spouse
Born: Austria
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Pennsylvania |
| Surname | Bailey |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Austria |
| 1935 Residence (City) | Roscoe borough |
| 1935 Residence (County) | Washington |
| Naturalization Status | First papers filed |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same House |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
| Township / Ward | Roscoe Borough |
| Est. Birth Year | ~1898 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Betty Bailey | Daughter | — | 11 | ~1929 |
| John Bailey | Head | — | 47 | ~1893 |
| Charles Bailey | Son | — | 18 | ~1922 |
| Robert Bailey | Son | — | 4 | ~1936 |
| Mary Bailey | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Washington, Pennsylvania
Spouse, age 22
Washington, Pennsylvania · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bailey |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Austria |
| Naturalization Status | Alien |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Mother Tongue | Ruthenian |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1930
Washington, Pennsylvania
Other, age 32
Washington, Pennsylvania · implied b. ~1898 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bailey |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Austria |
| Naturalization Status | Naturalized |
| Year of Immigration | 1914 |
| Age at First Marriage | 20 |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1940
Washington-County, Pennsylvania
Spouse, age 42
Washington-County, Pennsylvania · implied b. ~1898 — 5 household members
| Surname | Bailey |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Austria |
| 1935 Residence (City) | Roscoe borough |
| 1935 Residence (County) | Washington |
| Naturalization Status | First papers filed |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same House |
| 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 Bailey 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 Bailey
Spouse · 1940 · age 42 · b. ~1898 · 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-t0627-03625-00453)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter Werlwas | 49 | Head | Mill Worker | Poland |
| 2 | Adela Werlwas | 47 | Wife | — | Poland |
| 3 | Joe Werlwas | 27 | Son | Molder Man | Pennsylvania |
| 4 | Stella Werlwas | 26 | Daughter | New Worker | Pennsylvania |
| 5 | John F. Snowdon | 51 | Head | Fireman'S Helper | Pennsylvania |
| 6 | Elizabeth Snowdon | 50 | Wife | — | Pennsylvania |
| 7 | Grace C. Snowdon | 23 | Daughter | Teacher | Pennsylvania |
| 8 | George M. Haggett | 33 | Head | Acetylene Burner | Pennsylvania |
| 9 | Edith M. Haggett | 31 | Wife | — | Pennsylvania |
| 10 | Irma Haggett | 11 | Daughter | — | Pennsylvania |
| 11 | John Bailey | 47 | Head | Furnace Helper | Austria |
| 12 | Mary Bailey THIS PERSON | 42 | Wife | — | Austria |
| 13 | Charles Bailey | 18 | Son | New Worker | Pennsylvania |
| 14 | Betty J. Bailey | 11 | Daughter | — | Pennsylvania |
| 15 | Robert J. Bailey | 4 | Son | — | Pennsylvania |
| 16 | Louis Krivack | 40 | Head | Pipe Worker | Czechoslovakia |
| 17 | Anna Krivack | 37 | Wife | — | Pennsylvania |
| 18 | Margaret Krivack | 12 | Daughter | — | Pennsylvania |
| 19 | Catherine Krivack | 11 | Daughter | — | Pennsylvania |
| 20 | Julie Krivack | 9 | Daughter | — | Pennsylvania |
| 21 | Paul Krivack | 5 | Son | — | Pennsylvania |
| 22 | John Krivack | 42 | Brother | Laborer | Czechoslovakia |
| 23 | Russell Stanya | 36 | Head | Car Inspector | Pennsylvania |
| 24 | Dorothy Stanya | 37 | Wife | — | England |
| 25 | Hazel M. Stanya | 17 | Daughter | Clerical | Pennsylvania |
| 26 | Dorothy J. Stanya | 15 | Daughter | — | Pennsylvania |
| 27 | Lois L. Stanya | 10 | Daughter | — | Pennsylvania |
| 28 | Russell Jr. Stanya | 5 | Son | — | Pennsylvania |
| 29 | William M. Wainwright | 27 | Head | Bar Tender | Pennsylvania |
| 30 | Dorothy Wainwright | 24 | Wife | — | Pennsylvania |
| 31 | Judith A. Wainwright | 1 | Daughter | — | Pennsylvania |
| 32 | Mary Kelly | 55 | Head | — | Austria |
| 33 | George Kelly | 34 | Son | Unit Mill Worker | Pennsylvania |
| 34 | John Kelly | 27 | Son | River Man | Pennsylvania |
| 35 | Andrew Kelly | 24 | Son | Miner | Pennsylvania |
| 36 | Margaret Kelly | 17 | Daughter | — | Pennsylvania |
| 37 | Pete Jr. Kelly | 16 | Son | — | Pennsylvania |
| 38 | Joe Kelly | 14 | Son | — | Pennsylvania |
| 39 | John Harlwas | 24 | Head | Miner | Pennsylvania |
| 40 | Kathryn Harlwas | 21 | Wife | — | Pennsylvania |
Related Census Records
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)