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William Orr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this William Orr across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Orr |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Darby Borough |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Darby Borough |
| Est. Birth Year | ~1927 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Orr | Son | — | 13 | ~1927 |
| Margaret Orr | Daughter | — | 25 | ~1915 |
| Bartlett Orr | Son | — | 22 | ~1918 |
| George Armbruster | Other | — | 61 | ~1879 |
| Joseph Orr | Son | — | 32 | ~1908 |
| Joseph Brown | Other | — | 5 | ~1935 |
| Margaret Orr | Head | — | 58 | ~1882 |
| Theresa Orr | Daughter | — | 21 | ~1919 |
| George Orr | Son | — | 16 | ~1924 |
| Catherine Orr | Daughter | — | 30 | ~1910 |
Census Appearances
1930
Delaware, Pennsylvania
Son, age 2
Delaware, Pennsylvania · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Orr |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Son, age 13
Delaware-County, Pennsylvania · implied b. ~1927 — 10 household members
| Surname | Orr |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Darby Borough |
| 1935 Residence (County) | Delaware |
| Highest Grade | No 8 |
| 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 William Orr across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Orr
Son · 1940 · age 13 · b. ~1927 · Pennsylvania
★ You are viewing this record
Sibling
Joseph Orr
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Orr
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Orr
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Orr
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Orr
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bartlett Orr
Sibling · 1940 · age 22
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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03490-00587)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth Gronetland | 44 | Wife | — | Pennsylvania |
| 42 | Charles Jr Gronetland | 26 | Son | Machinery | Pennsylvania |
| 43 | Raymond Gronetland | 21 | Son | Truck Driver | Pennsylvania |
| 44 | John Gronetland | 8 | Son | — | Pennsylvania |
| 45 | William Gibbs | 26 | Lodger | Machinist | Pennsylvania |
| 46 | Emily Gibbs | 24 | Lodger | — | Pennsylvania |
| 47 | Jack Gibbs | 8 | Lodger | — | Pennsylvania |
| 48 | Thomas Keeley | 31 | Lodger | Service | Pennsylvania |
| 49 | Clara Keeley | 30 | Lodger | — | Pennsylvania |
| 50 | William Wiggins | 26 | Lodger | Clerk | Pennsylvania |
| 51 | Rose Wiggins | 25 | Lodger | — | Pennsylvania |
| 52 | William Jr Wiggins | 4 | Lodger | — | Pennsylvania |
| 53 | Frank Respolio | 49 | Head | Huckster | Italy |
| 54 | Mary Respolio | 47 | Wife | — | Italy |
| 55 | Victor Respolio | 23 | Son | Helper | Pennsylvania |
| 56 | Lewis Di Giambattista | 54 | Head | Janitor | Italy |
| 57 | Ruth Di Giambattista | 48 | Wife | — | Italy |
| 58 | Ruth Di Giambattista | 20 | Daughter | — | Pennsylvania |
| 59 | Jennie Di Giambattista | 18 | Daughter | New Worker | Pennsylvania |
| 60 | Donald Di Giambattista | 13 | Son | — | Pennsylvania |
| 61 | Dolores Di Giambattista | 10 | Daughter | — | Pennsylvania |
| 62 | Lewis Di Giambattista | 5 | Son | — | Pennsylvania |
| 63 | Margaret Orr | 58 | Head | — | Pennsylvania |
| 64 | Joseph Orr | 32 | Son | Clerk | Pennsylvania |
| 65 | Catherine Orr | 30 | Daughter | — | Pennsylvania |
| 66 | Margaret Orr | 25 | Daughter | — | Pennsylvania |
| 67 | Bartlett Orr | 22 | Son | Receiving Clerk | Pennsylvania |
| 68 | George Orr | 16 | Son | — | Pennsylvania |
| 69 | William Orr THIS PERSON | 13 | Son | — | Pennsylvania |
| 70 | Theresa Orr | 21 | Daughter | — | Pennsylvania |
| 71 | George Armbruster | 61 | Uncle | — | Pennsylvania |
| 72 | Joseph Brown | 5 | Grandson | — | Pennsylvania |
| 73 | Joseph Spugolia | 43 | Head | Stone Mason | Italy |
| 74 | Carmella Spugolia | 41 | Wife | Cleaner | Italy |
| 75 | Jane Spugolia | 19 | Daughter | — | Pennsylvania |
| 76 | Frances Spugolia | 15 | Daughter | — | Pennsylvania |
| 77 | Joseph Spugolia | 14 | Son | — | Pennsylvania |
| 78 | Hans Junck | 54 | Head | Maintenance Man | Germany |
| 79 | Tillie Junck | 41 | Wife | — | Maryland |
| 80 | Stella Junck | 23 | Daughter | — | New Jersey |
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)