JW
James William — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James William across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | William |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Elevator Operator |
| Industry | Dept. Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1248 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Elevator Operator |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Carl William | Son | — | 19 | ~1921 |
| Eva William | Spouse | — | 39 | ~1901 |
| James William | Son | — | 21 | ~1919 |
| George William | Son | — | 12 | ~1928 |
| Jack William | Son | — | 15 | ~1925 |
| Gene William | Daughter | — | 14 | ~1926 |
| Frank William | Head | — | 50 | ~1890 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 10
Allegheny, Pennsylvania · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 21
Allegheny-County, Pennsylvania · implied b. ~1919 — 7 household members
| Surname | William |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Elevator Operator |
| Industry | Dept. Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1248 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 James William across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James William
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
George William
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gene William
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl William
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack William
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-03654-00705)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Julia Covington | 30 | Daughter | — | Georgia |
| 42 | Henry Covington | 10 | Son | — | Pennsylvania |
| 43 | Harrow Laning | 37 | Lodger | Elevator Operator | Florida |
| 44 | Harrow Jr. Laning | 15 | Lodger's Son | — | Pennsylvania |
| 45 | Donald Laning | 14 | Lodger's Son | — | Pennsylvania |
| 46 | Geraldine Laning | 11 | Lodger's Daughter | — | Pennsylvania |
| 47 | Margaret Laning | 8 | Lodger's Daughter | — | Pennsylvania |
| 48 | James Harding | 45 | Head | Hostler | Kentucky |
| 49 | Cora Harding | 51 | Wife | — | Kentucky |
| 50 | Frank William | 50 | Head | Laborer | Virginia |
| 51 | Eva William | 39 | Wife | — | North Carolina |
| 52 | James William THIS PERSON | 21 | Son | Elevator Operator | Pennsylvania |
| 53 | Carl William | 19 | Son | — | Pennsylvania |
| 54 | Gene William | 14 | Daughter | — | Pennsylvania |
| 55 | Jack William | 15 | Son | — | Pennsylvania |
| 56 | George William | 12 | Son | — | Pennsylvania |
| 57 | John C. Leach | 37 | Head | Laborer | Georgia |
| 58 | Annie Leach | 35 | Wife | — | Georgia |
| 59 | Evelyn Leach | 12 | Daughter | — | Georgia |
| 60 | Gertrude Brown | 49 | Head | — | D.C. |
| 61 | Phillip Brown | 35 | Son | Helper | Pennsylvania |
| 62 | Cornelius Brown | 8 | Grandson | — | Pennsylvania |
| 63 | Richard H. Wilson | 59 | Head | Janitor | West Virginia |
| 64 | Louise Wilson | 57 | Wife | Houseworker | Virginia |
| 65 | H. Willie Lewis | 52 | Head | Handyman Laborer | Georgia |
| 66 | Mamie Lewis | 53 | Wife | — | Alabama |
| 67 | Catherine Hall | 16 | Head | — | Pennsylvania |
| 68 | Walter Hall | 19 | Brother | Clerk | Pennsylvania |
| 69 | Laressa Hall | 35 | Mother | Clerk | Pennsylvania |
| 70 | Kurt Amos | 45 | Lodger | Hod-Carrier | Virginia |
| 71 | Isaiah Washington | 44 | Head | Janitor | D.C. |
| 72 | Jessie Washington | 47 | Wife | — | Tennessee |
| 73 | Robert Washington | 19 | Son | Porter | Pennsylvania |
| 74 | Hella Mae Washington | 14 | Daughter | — | Pennsylvania |
| 75 | Hester V. Eldridge | 52 | Head | Janitor | North Carolina |
| 76 | Elizabeth Eldridge | 52 | Wife | Houseworker | Pennsylvania |
| 77 | John Gore | 31 | Head | Laborer | Georgia |
| 78 | Alice Gore | 22 | Wife | — | Virginia |
| 79 | Rufus Gore | 27 | Brother | Laborer | Georgia |
| 80 | Lela Gore | 22 | Sister-in-law | — | Georgia |
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)