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William Orr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this William Orr across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1896), then head of a 8-person household.
Age 44
b. ~1896
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Orr |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | laborer |
| Industry | Elec. shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 351 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Laborer |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1896 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| John Orr | Son | — | 21 | ~1919 |
| William Orr | Head | — | 44 | ~1896 |
| Anna Orr | Daughter | — | 14 | ~1926 |
| Richard Orr | Son | — | 9 | ~1931 |
| Margaret Orr | Spouse | — | 44 | ~1896 |
| Robert Orr | Son | — | 20 | ~1920 |
| Ellen Orr | Daughter | — | 17 | ~1923 |
| Nora Orr | Daughter | — | 14 | ~1926 |
Census Appearances
1920
Allegheny, Pennsylvania
Head, age 25
Allegheny, Pennsylvania · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Orr |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New York |
| Occupation | Chauffeur |
| Industry | Bldg. Contractor |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Allegheny, Pennsylvania
Head, age 35
Allegheny, Pennsylvania · implied b. ~1895 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Orr |
| Given Name | William M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 28 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New York |
| Occupation | Laborer |
| Industry | Transfer Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Home Value / Rent | R |
| Radio Set | 20 |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Allegheny-County, Pennsylvania
Head, age 44
Allegheny-County, Pennsylvania · implied b. ~1896 — 8 household members
| Surname | Orr |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Occupation | laborer |
| Industry | Elec. shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 351 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 William Orr across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Orr
Head · 1940 · age 44 · b. ~1896 · Pennsylvania
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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-t0627-03671-00150)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Johnson | 51 | Head | Ice Man | Pennsylvania |
| 2 | Mary Johnson | 54 | Wife | — | Pennsylvania |
| 3 | Nicholas Perdott | 37 | Head | Pressman | Pennsylvania |
| 4 | Grace Perdott | 39 | Wife | — | Ohio |
| 5 | Margaret Huzel | 17 | Stepdaughter | — | Pennsylvania |
| 6 | Nancy Huzel | 14 | Stepdaughter | — | Pennsylvania |
| 7 | William Orr THIS PERSON | 44 | Head | Laborer | New York |
| 8 | Margaret Orr | 44 | Wife | — | Pennsylvania |
| 9 | John Orr | 21 | Son | Laborer | Pennsylvania |
| 10 | Robert Orr | 20 | Son | Newsworker | Pennsylvania |
| 11 | Ellen Orr | 17 | Daughter | — | Pennsylvania |
| 12 | Anna Orr | 14 | Daughter | — | Pennsylvania |
| 13 | Nora Orr | 14 | Daughter | — | Pennsylvania |
| 14 | Richard Orr | 9 | Son | — | Pennsylvania |
| 15 | William Stanko | 45 | Head | Store Keeper | Austria |
| 16 | Elizabeth Stanko | 44 | Wife | — | Pennsylvania |
| 17 | John Stanko | 23 | Son | Laborer | Pennsylvania |
| 18 | Natalie Stanko | 19 | Daughter | Newsworker | Pennsylvania |
| 19 | Vera Stanko | 16 | Daughter | — | Pennsylvania |
| 20 | Robert Mastein | 29 | Head | Laborer | Pennsylvania |
| 21 | Dorothy Mastein | 25 | Wife | — | Pennsylvania |
| 22 | Madelyn Mastein | 4 | Daughter | — | Pennsylvania |
| 23 | Angelo Petrancosta | 61 | Head | Vegetable Peddler | Italy |
| 24 | Margaret Petrancosta | 48 | Wife | — | Italy |
| 25 | Grace Petrancosta | 22 | Daughter | Clerk | Pennsylvania |
| 26 | Maeva Tardy | 49 | Head | Seamstress | New York |
| 27 | Maeva E. Tardy | 16 | Daughter | — | Pennsylvania |
| 28 | Frances Scheittner | 43 | Head | Janitress | Czechoslovakia |
| 29 | Louis Scheittner | 24 | Son | Food Canning | Pennsylvania |
| 30 | Emma Scheittner | 19 | Daughter | Saleslady | Pennsylvania |
| 31 | Jean Murry | 42 | Wife | — | Pennsylvania |
| 32 | James Nesckfield | 42 | Head | Conductor | Germany |
| 33 | Hazel Nesckfield | 39 | Wife | — | Pennsylvania |
| 34 | Mildred Nesckfield | 19 | Daughter | — | Pennsylvania |
| 35 | William Nesckfield | 17 | Son | — | Pennsylvania |
| 36 | Dorothy Nesckfield | 10 | Daughter | — | Pennsylvania |
| 37 | Louis Harman | 41 | Head | Mechanic | Germany |
| 38 | Helene Harman | 41 | Wife | — | Germany |
| 39 | Harold Harman | 14 | Son | — | Pennsylvania |
| 40 | John Kenelly | 32 | Head | Shipper | 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)