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James Bruce — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Bruce across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Bruce |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Delivery Boy |
| Industry | Grocery |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 119 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Delivery Boy |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1923 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Charles Bruce | Son | — | 13 | ~1927 |
| Joseph Bruce | Head | — | 50 | ~1890 |
| Esther Bruce | Daughter | — | 4 | ~1936 |
| Gwendolyn Bruce | Daughter | — | 9 | ~1931 |
| James Bruce | Son | — | 17 | ~1923 |
| John Bruce | Son | — | 21 | ~1919 |
| Blanche Bruce | Spouse | — | 46 | ~1894 |
| Francis Bruce | Son | — | 24 | ~1916 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 7
Allegheny, Pennsylvania · implied b. ~1923 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 17
Allegheny-County, Pennsylvania · implied b. ~1923 — 8 household members
| Surname | Bruce |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Delivery Boy |
| Industry | Grocery |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 119 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| 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 Bruce across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Bruce
Son · 1940 · age 17 · b. ~1923 · Pennsylvania
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Sibling
Francis Bruce
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Bruce
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Bruce
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gwendolyn Bruce
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esther Bruce
Sibling · 1940 · age 4
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-t0627-03677-00343)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John R. | 29 | Son | Attendant | Pennsylvania |
| 2 | Myra Irene | 22 | Daughter | Clerk | Pennsylvania |
| 3 | Lawrence | 18 | Son | New Worker | Pennsylvania |
| 4 | Rose Marie | 14 | Daughter | — | Pennsylvania |
| 5 | Charles Adams | 45 | Head | Painter | Pennsylvania |
| 6 | Gertie D. Adams | 45 | Wife | — | Pennsylvania |
| 7 | Beryl Adams | 22 | Daughter | — | Pennsylvania |
| 8 | Alma Adams | 21 | Daughter | — | Pennsylvania |
| 9 | Harry Donald Harris | 33 | Head | Trainman | Pennsylvania |
| 10 | Joan Harris | 32 | Wife | — | Pennsylvania |
| 11 | Myrna Harris | 13 | Daughter | — | Pennsylvania |
| 12 | Robert Lafferty | 54 | Head | Connector | Pennsylvania |
| 13 | Minnie Lafferty | 53 | Wife | — | Pennsylvania |
| 14 | Irene Lafferty | 22 | Daughter | Stenographer | Pennsylvania |
| 15 | Mildred Lafferty | 20 | Daughter | Statistician | Pennsylvania |
| 16 | Lillian Atkins | 25 | Daughter | Waitress | Pennsylvania |
| 17 | Frederick Jr. Gray | 52 | Head | Supt. Of Motor Dept. | Pennsylvania |
| 18 | Jane Electa Gray | 51 | Wife | — | Pennsylvania |
| 19 | Robert Jones | 61 | Lodger | Repair Carpenter | Pennsylvania |
| 20 | Elizabeth Jones | 60 | Lodger | Housekeeper | Pennsylvania |
| 21 | Charles E. Thornburg | 44 | Head | Foreman | Pennsylvania |
| 22 | Lois E. Thornburg | 36 | Wife | — | Pennsylvania |
| 23 | Lois Rosalind Thornburg | 14 | Daughter | — | Pennsylvania |
| 24 | Ruth Elaine Thornburg | 2 | Daughter | — | Pennsylvania |
| 25 | Louis Jackson | 35 | Head | Machinist | Pennsylvania |
| 26 | Edith Jackson | 37 | Wife | — | Pennsylvania |
| 27 | Lois Jean Jackson | 18 | Daughter | — | Pennsylvania |
| 28 | William Otis Jackson | 15 | Son | — | Pennsylvania |
| 29 | Virginia L. Jackson | 6 | Daughter | — | Pennsylvania |
| 30 | Joseph Bruce | 50 | Head | Fireman | West Virginia |
| 31 | Blanche Bruce | 46 | Wife | — | West Virginia |
| 32 | Francis Bruce | 24 | Son | Order-Maker | Pennsylvania |
| 33 | John Bruce | 21 | Son | Laborer | Pennsylvania |
| 34 | James Bruce THIS PERSON | 17 | Son | Delivery Boy | Pennsylvania |
| 35 | Charles Bruce | 13 | Son | — | Pennsylvania |
| 36 | Gwendolyn Bruce | 9 | Daughter | — | Pennsylvania |
| 37 | Esther Bruce | 4 | Daughter | — | Pennsylvania |
| 38 | George Stewart | 39 | Head | Dentist | Pennsylvania |
| 39 | Mary E. Stewart | 36 | Wife | — | Pennsylvania |
| 40 | Alma Stewart | 15 | Daughter | — | 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)