MW
Mary Williams — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Lackawanna, Pennsylvania
Our Model Tree links this Mary Williams across the 1900, 1910 and 1920 US Censuses in Lackawanna, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1850), then head of a 3-person household.
Age 70
b. ~1850
Female
Spouse
Born: Wales
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Lackawanna, Pennsylvania |
| Surname | Williams |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Wales |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Birth Country | Wales |
| Year of Naturalization | 1885 |
| Birthplace (normalized) | wales |
| Township / Ward | Olyphant Borough |
| Est. Birth Year | ~1850 |
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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Williams | Daughter | — | 39 | ~1881 |
| William Williams | Head | — | 62 | ~1858 |
| Mary Williams | Spouse | — | 70 | ~1850 |
Census Appearances
1900
Lackawanna, Pennsylvania
Spouse, age 52
Lackawanna, Pennsylvania · implied b. ~1848 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Wales |
| Birth Month | June |
| Birth Year | 1848 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1910
Lackawanna, Pennsylvania
Spouse, age 61
Lackawanna, Pennsylvania · implied b. ~1849 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Wales |
| Years Married | 37 |
| Children Born | 10 |
| Children Living | 4 |
| Year of Immigration | 1882 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | none |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1920
Lackawanna, Pennsylvania
Spouse, age 70
Lackawanna, Pennsylvania · implied b. ~1850 — 3 household members
| Surname | Williams |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Wales |
| Year of Immigration | 1880 |
| 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 | 1885 |
| 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 3 US Census years (1900, 1910 and 1920) in Lackawanna, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Mary Williams
Spouse · 1920 · age 70 · b. ~1850 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Lackawanna, Pennsylvania
Open full size
1920 US Federal Census — Lackawanna, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1578unit:0546)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary <End> | 30 | — | — | Penna |
| 2 | George <End> | 9 | Grand Son | — | Penna |
| 3 | Frank <End> | 6 | Grand Son | — | Penna |
| 4 | Joseph Bennett | 72 | Head | Engineer | Penna |
| 5 | Katie Bennett | 45 | Wife | — | Penna |
| 6 | Joseph Bennett | 20 | Son | — | Penna |
| 7 | Robert Ross | 25 | Head | Fireman | Penna |
| 8 | Rose Ross | 20 | Wife | — | Penna |
| 9 | Eugene Ross | 1 | Son | — | Penna |
| 10 | Bridget Mcdonnell | 65 | Head | — | Ireland |
| 11 | Catherine Mcdonnell | 29 | Daughter | — | Penna |
| 12 | Ebenezer Jones | 74 | Head | Powder Maker | Wales |
| 13 | Tryphena Jones | 39 | Wife | — | Wales |
| 14 | Eldred Jones | 14 | Son | Silk Hand | Penna |
| 15 | Gendon Jones | 11 | Son | — | Penna |
| 16 | Lester Jones | 6 | Son | — | Penna |
| 17 | Myland Jones | 3 | Son | — | Penna |
| 18 | John G. Jones | 67 | Uncle | Laborer | Wales |
| 19 | Zachariah Charles | 58 | Head | Miner | Penna |
| 20 | Elizabeth Charles | 55 | Wife | — | Wales |
| 21 | Wendell Bird | 33 | Head | Blacksmith | Penna |
| 22 | Mary Bird | 15 | Daughter | — | Penna |
| 23 | Mildred Bird | 13 | Daughter | — | Penna |
| 24 | Ruth Bird | 5 | Daughter | — | Penna |
| 25 | Margaret Bird | 2 | Daughter | — | Penna |
| 26 | George Arthur | 55 | Head | Laborer | Wales |
| 27 | Sarah Arthur | 60 | Wife | — | Wales |
| 28 | Fred Arthur | 21 | Son | Motor Man | Penna |
| 29 | Anna Davis | 21 | Daughter | — | Penna |
| 30 | William Williams | 62 | Head | Compensating | Wales |
| 31 | Mary Williams THIS PERSON | 70 | Wife | — | Wales |
| 32 | Margaret Williams | 39 | Daughter | — | Wales |
| 33 | William Mosely | 34 | Head | Miner | Penna |
| 34 | Alice Mosely | 30 | Wife | — | Wales |
| 35 | Charles Mosely | 10 | Son | — | Penna |
| 36 | Alice Mosely | 7 | Daughter | — | Penna |
| 37 | Margaret Mosely | 5 | Daughter | — | Penna |
| 38 | Nellie Mosely | 4 | Daughter | — | Penna |
| 39 | Louise Mosely | 2 | Daughter | — | Penna |
| 40 | Thomas Mosely | 0 | Son | — | Penna |
| 41 | Bridget Kurdy | 70 | Head | — | Ireland |
| 42 | Michael Kurdy | 45 | Son | Miner | Penna |
| 43 | Sarah Kurdy | 35 | Daughter | Teacher | Penna |
| 44 | Mary E. Kurdy | 41 | Head | — | Penna |
| 45 | John Kurdy | 34 | Son | Messenger | Penna |
| 46 | Elmer F. Kurdy | 26 | Son | Carpenter | Penna |
| 47 | Edward Kurdy | 19 | Son | — | Penna |
| 48 | Thomas Thomas | 58 | Head | Miner | Wales |
| 49 | Margaret Thomas | 47 | Wife | — | Wales |
| 50 | William Thomas | 23 | Son | Laborer | Penna |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)