MW
Mary Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this Mary Williams across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 6-person household.
Age 63
b. ~1877
Female
Spouse
Born: Wales
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Williams |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Pittston Borough |
| 1935 Residence (County) | Luzerne |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same house |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
| Township / Ward | Pittston Borough |
| Est. Birth Year | ~1877 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Edith Williams | Daughter | — | 19 | ~1921 |
| Anna Williams | Daughter | — | 23 | ~1917 |
| Robert Williams | Head | — | 64 | ~1876 |
| Archie Williams | Son | — | 30 | ~1910 |
| William Williams | Son | — | 28 | ~1912 |
| Mary Williams | Spouse | — | 63 | ~1877 |
Census Appearances
1900
Luzerne, Pennsylvania
Other, age 19
Luzerne, Pennsylvania · implied b. ~1881 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mary |
| Relationship to Head | Servant |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Wales |
| Birth Month | Feb |
| Birth Year | 1881 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Servant |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1910
Luzerne, Pennsylvania
Spouse, age 30
Luzerne, Pennsylvania · implied b. ~1880 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Wales |
| Years Married | 5 |
| Children Born | 3 |
| Children Living | 3 |
| Year of Immigration | 1885 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1920
Luzerne, Pennsylvania
Spouse, age 41
Luzerne, Pennsylvania · implied b. ~1879 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Wales |
| Year of Immigration | 1885 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Birth Country | Wales |
| Year of Naturalization | 1897 |
| Birthplace (normalized) | wales |
1930
Luzerne, Pennsylvania
Spouse, age 52
Luzerne, Pennsylvania · implied b. ~1878 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Wales |
| Year of Immigration | 1881 |
| Age at First Marriage | 17 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1940
Luzerne-County, Pennsylvania
Spouse, age 63
Luzerne-County, Pennsylvania · implied b. ~1877 — 6 household members
| Surname | Williams |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Pittston Borough |
| 1935 Residence (County) | Luzerne |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same house |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
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 Williams across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Williams
Spouse · 1940 · age 63 · b. ~1877 · 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 — Luzerne-County, Pennsylvania
Open full size
1940 US Federal Census — Luzerne-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03561-00458)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alice Seely | 39 | Wife | — | Pennsylvania |
| 2 | Mozell Seely | 17 | Daughter | — | Pennsylvania |
| 3 | Raymond Scull | 30 | Boarder | Laborer | Pennsylvania |
| 4 | Robert Williams | 64 | Head | Pump Runner | Wales |
| 5 | Mary Williams THIS PERSON | 63 | Wife | — | Wales |
| 6 | Archie Williams | 30 | Son | Cashier | Pennsylvania |
| 7 | William Williams | 28 | Son | Mechanic | Pennsylvania |
| 8 | Anna Williams | 23 | Daughter | Secretary | Pennsylvania |
| 9 | Edith M. Williams | 19 | Daughter | New Worker | Pennsylvania |
| 10 | Louise Llewellyn | 34 | Head | Cashier | Pennsylvania |
| 11 | Isabel Llewellyn | 69 | Mother | — | Pennsylvania |
| 12 | Gladys Nordheim | 44 | Cousin | Nurse | Pennsylvania |
| 13 | Raymond Washer | 38 | Head | Chainman | Pennsylvania |
| 14 | Edith Washer | 39 | Wife | — | Pennsylvania |
| 15 | Jean Washer | 10 | Daughter | — | Pennsylvania |
| 16 | Nancy Washer | 5 | Daughter | — | Pennsylvania |
| 17 | Arthur Smiles | 51 | Head | Bookkeeper | Pennsylvania |
| 18 | Sarah Smiles | 19 | Daughter | Bookkeeper | Pennsylvania |
| 19 | Jack Smiles | 17 | Son | — | Pennsylvania |
| 20 | William Smiles | 10 | Son | — | Pennsylvania |
| 21 | Jane Dixon | 70 | Mother | — | England |
| 22 | Edwin Stout | 57 | Head | Engineer | Pennsylvania |
| 23 | Agnes Stout | 50 | Wife | — | Pennsylvania |
| 24 | Elizabeth Morton | 82 | Mother-in-law | — | Pennsylvania |
| 25 | Albert Donkas | 21 | Stepson | Serviceman | Pennsylvania |
| 26 | Minnie Grier | 71 | Head | — | Pennsylvania |
| 27 | Minnie Grier | 34 | Daughter | Clerk | Pennsylvania |
| 28 | Mary Hunter | 55 | Head | Janitor | Pennsylvania |
| 29 | Mabel Hunter | 56 | Wife | — | Pennsylvania |
| 30 | Ernest D. Vose | 48 | Head | Clerk | New York |
| 31 | Jeanette Vose | 48 | Wife | — | Pennsylvania |
| 32 | Son Romayn | None | M | — | — |
| 33 | John C. Garman | 85 | Head | — | Pennsylvania |
| 34 | Elizabeth Price | 72 | Daughter-in-law | — | Pennsylvania |
| 35 | David Dively | 56 | Head | Collector | New York |
| 36 | Edith Dively | 56 | Wife | — | Pennsylvania |
| 37 | Elizabeth James | 41 | Lodger | Visitor | Pennsylvania |
| 38 | Marion Wadey | 40 | Lodger | Finisher | Pennsylvania |
| 39 | Roy Abram | 30 | Head | Clerk | Pennsylvania |
| 40 | Ruth Abram | 36 | Wife | Agent | 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)