RW
Richard Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Richard Williams across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 5-person household.
Age 53
b. ~1887
Male
Head
Born: Wales
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Williams |
| Given Name | Richard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Penn Twp. |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Crane Operator |
| Industry | Westinghouse |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 906 |
| Highest Grade | No 2 |
| 1935 Residence | Same house |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
| Occupation | Crane Operator |
| Township / Ward | Penn Twp |
| Est. Birth Year | ~1887 |
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 Richard | Age | Birth yr |
|---|---|---|---|---|
| Mary Williams | Daughter | — | 10 | ~1930 |
| Elaine Williams | Daughter | — | 5 | ~1935 |
| Richard Williams | Head | — | 53 | ~1887 |
| Richard Williams | Son | — | 15 | ~1925 |
| Elizabeth Williams | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Allegheny, Pennsylvania
Head, age 33
Allegheny, Pennsylvania · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Richard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Wales |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Brakeman |
| Industry | Steel Plant |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Home Owned/Rented | R |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1930
Allegheny, Pennsylvania
Head, age 43
Allegheny, Pennsylvania · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Richard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Widowed |
| Birthplace | Wales |
| Naturalization Status | Naturalized |
| Year of Immigration | 1889 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Crane man |
| Industry | Elec Mfg Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 1500 |
| Radio Set | R |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1940
Allegheny-County, Pennsylvania
Head, age 53
Allegheny-County, Pennsylvania · implied b. ~1887 — 5 household members
| Surname | Williams |
| Given Name | Richard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Penn Twp. |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Occupation | Crane Operator |
| Industry | Westinghouse |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 906 |
| Highest Grade | No 2 |
| 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 Richard Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Williams
Head · 1940 · age 53 · b. ~1887 · 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03414-00395)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Mcclelland | 55 | Head | No | Pennsylvania |
| 42 | Franklin Mcclelland | 7 | Son | — | Pennsylvania |
| 43 | Margaret Yeager | 71 | Sister-in-law | — | Germany |
| 44 | Andrew Lewis | 29 | Head | Coal Miner | West Virginia |
| 45 | Julia Lewis | 21 | Wife | — | Pennsylvania |
| 46 | Andrew Lewis | 0 | Son | — | Pennsylvania |
| 47 | Isaac Lewis | 72 | Head | — | West Virginia |
| 48 | Martha Lewis | 72 | Wife | — | West Virginia |
| 49 | Wilson Lewis | 27 | Son | Blind | West Virginia |
| 50 | Richard Williams THIS PERSON | 53 | Head | Crane Operator | Wales |
| 51 | Elizabeth Williams | 51 | Wife | — | Maryland |
| 52 | Richard Williams | 15 | Son | — | Pennsylvania |
| 53 | Mary Louise Williams | 10 | Daughter | — | Pennsylvania |
| 54 | Elaine Williams | 5 | Daughter | — | Pennsylvania |
| 55 | Ignacy Leszczynski | 61 | Head | Machinist | Poland |
| 56 | Adela Leszczynski | 40 | Wife | — | Poland |
| 57 | Gertrude Leszczynski | 18 | Daughter | — | Pennsylvania |
| 58 | Mary Leszczynski | 17 | Daughter | — | Pennsylvania |
| 59 | Richard Leszczynski | 15 | Son | — | Pennsylvania |
| 60 | Robert Leszczynski | 14 | Son | — | Pennsylvania |
| 61 | Hedwig Lukasiewsky | 22 | Niece | Bottler | Illinois |
| 62 | Frank Spangler | 61 | Head | Janitor | Virginia |
| 63 | Nettie Spangler | 59 | Wife | — | Virginia |
| 64 | Frank C. Spangler | 26 | Son | Moulder | Pennsylvania |
| 65 | Elizabeth Spangler | 24 | Daughter | Stenographer | Pennsylvania |
| 66 | Samuel Parr | 61 | Head | Retired | Pennsylvania |
| 67 | Laura Parr | 58 | Wife | — | Maryland |
| 68 | James Tenney | 25 | Head | Butter Dept. | Pennsylvania |
| 69 | Julia Tenney | 23 | Wife | — | Pennsylvania |
| 70 | James Tenney | 4 | Son | — | Pennsylvania |
| 71 | Walter Potente | 33 | Head | Machinist | Pennsylvania |
| 72 | Francis Potente | 25 | Wife | — | Pennsylvania |
| 73 | Nancy Potente | 3 | Daughter | — | Pennsylvania |
| 74 | Vincent Innocente | 58 | Head | Landscape | Italy |
| 75 | Pauline Innocente | 54 | Wife | — | Italy |
| 76 | Emma Innocente | 25 | Daughter | — | Connecticut |
| 77 | Anthony Innocente | 8 | Nephew | — | Pennsylvania |
| 78 | Sam Innocente | 61 | Brother | Laborer | Italy |
| 79 | William Grant | 47 | Head | Wpa Laborer | Pennsylvania |
| 80 | Helen Grant | 42 | Wife | — | 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)