DH
Donald Harris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Donald Harris across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Harris |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Electric Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 732 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Truck Driver |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1918 |
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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Miniva Harris | Daughter | — | 15 | ~1925 |
| Edward Harris | Son | — | 12 | ~1928 |
| William Harris | Head | — | 51 | ~1889 |
| Jessie Harris | Spouse | — | 50 | ~1890 |
| Donald Harris | Son | — | 22 | ~1918 |
| Loretta Harris | Daughter | — | 18 | ~1922 |
| Melvin Harris | Son | — | 25 | ~1915 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Canada-Eng |
| Mother's Birthplace | Canada-Eng |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 22
Allegheny-County, Pennsylvania · implied b. ~1918 — 7 household members
| Surname | Harris |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Truck Driver |
| Industry | Electric Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 732 |
| Highest Grade | H 4 |
| 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 Donald Harris across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Donald Harris
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
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Sibling
Edward Harris
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Miniva Harris
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvin Harris
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Harris
Sibling · 1940 · age 18
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
39 people indexed on this census page (nara:1940:m-t0627-03654-00187)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Melvin Phillips | 38 | Head | Chauffeur | Georgia |
| 2 | Bussaline Phillips | 33 | Wife | — | Pennsylvania |
| 3 | Donald Phillips | 2 | Son | — | New York |
| 4 | Leroy Phillips | 30 | Brother | Janitor | Georgia |
| 5 | Anderson Scott | 33 | Head | Bar Tender | Pennsylvania |
| 6 | Jessie Scott | 36 | Wife | Author | Pennsylvania |
| 7 | Edward Bailly | 16 | Step-son | — | Pennsylvania |
| 8 | James Bailly | 14 | Step-son | — | Pennsylvania |
| 9 | James Scott | 83 | Lodger | — | Virginia |
| 10 | William Harris | 51 | Head | Ice Man | Newfoundland |
| 11 | Jessie Harris | 50 | Wife | — | Newfoundland |
| 12 | Melvin Harris | 25 | Son | New Worker | Pennsylvania |
| 13 | Donald Harris THIS PERSON | 22 | Son | Truck Driver | Pennsylvania |
| 14 | Loretta Harris | 18 | Daughter | Truck Driver | Pennsylvania |
| 15 | Miniva Harris | 15 | Daughter | — | Pennsylvania |
| 16 | Edward Harris | 12 | Son | — | Pennsylvania |
| 17 | Robert J. Smith | 44 | Head | Deputy Sheriff | Pennsylvania |
| 18 | Ellen Smith | 45 | Wife | — | Pennsylvania |
| 19 | Margaret Smith | 23 | Daughter | New Worker | Pennsylvania |
| 20 | Roland Smith | 19 | Son | Printer | Pennsylvania |
| 21 | Eli Abbott | 67 | Head | — | Newfoundland |
| 22 | Ray Abbott | 37 | Son | — | Pennsylvania |
| 23 | Charles A. Zimmerling | 24 | Head | Salesman | Pennsylvania |
| 24 | Regina Zimmerling | 23 | Wife | — | Pennsylvania |
| 25 | Charles A. Iii Zimmerling | 1 | Son | — | Pennsylvania |
| 26 | William T. Smyth | 28 | Lodger | — | England |
| 27 | Ella Ruff | 70 | Head | Janitor | Ohio |
| 28 | George Lockert | 47 | Head | Janitor | Ireland |
| 29 | Minnie Lockert | 40 | Wife | — | Ohio |
| 30 | John Mcmullen | 60 | Head | Salesman | Pennsylvania |
| 31 | Katherine Mcmullen | 63 | Sister | Teacher | Pennsylvania |
| 32 | Abram Hall | 54 | Head | — | Ohio |
| 33 | Cinda Hall | 54 | Wife | — | Ohio |
| 34 | Mary C. Hall | 15 | Daughter | — | Pennsylvania |
| 35 | Sheldon Cobb | 25 | Head | Salesman | Alabama |
| 36 | Louella Cobb | 19 | Wife | — | Virginia |
| 37 | Dolores Cobb | 3 | Daughter | — | Pennsylvania |
| 38 | Taylor Robinson | 35 | Head | Porter | Virginia |
| 39 | Sparkie Robinson | 36 | Wife | — | N. Carolina |
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)