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James Orr — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Orr across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & Catherine — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Orr |
| Given Name | James C. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Homestead Boro |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | New Worker |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | New Worker |
| Township / Ward | Homestead Boro |
| Est. Birth Year | ~1915 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Orr | Son | — | 25 | ~1915 |
| Mary Orr | Daughter | — | 13 | ~1927 |
| Catherine Orr | Spouse | — | 48 | ~1892 |
| Margaret Orr | Daughter | — | 21 | ~1919 |
| Charles Orr | Son | — | 24 | ~1916 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 4
Allegheny, Pennsylvania · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Orr |
| Given Name | James C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 14
Allegheny, Pennsylvania · implied b. ~1916 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Orr |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 25
Allegheny-County, Pennsylvania · implied b. ~1915 — 5 household members
| Surname | Orr |
| Given Name | James C. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Homestead Boro |
| 1935 Residence (County) | Allegheny |
| Occupation | New Worker |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 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 James Orr across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Orr (~0.92 confidence) and mother Catherine Orr (~0.92 confidence) and mother Mary Orr (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Orr
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Catherine Orr
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Mary Orr
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Orr
Son · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
Mary Orr
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Orr
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Orr
Sibling · 1940 · age 21
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-t0627-03406-00345)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Catherine Orr | 48 | Wife | — | North Ireland |
| 2 | James C. Jr. Orr THIS PERSON | 25 | Son | New Worker | Pennsylvania |
| 3 | Charles J. Orr | 24 | Son | General Labor | Pennsylvania |
| 4 | Margaret Orr | 21 | Daughter | — | Pennsylvania |
| 5 | Mary E. Orr | 13 | Daughter | — | Pennsylvania |
| 6 | John Hanasiff | 45 | Head | Open Hearth | Russia |
| 7 | Anna Hanasiff | 37 | Wife | — | Pennsylvania |
| 8 | Eudocia Hanasiff | 18 | Daughter | Typist | Pennsylvania |
| 9 | Sophie Hanasiff | 17 | Daughter | — | Pennsylvania |
| 10 | George Hanasiff | 15 | Son | — | Pennsylvania |
| 11 | Vera Hanasiff | 10 | Daughter | — | Pennsylvania |
| 12 | William Gogran | 40 | Head | Boiler Maker | Poland |
| 13 | Adelaide Gogran | 39 | Wife | — | Pennsylvania |
| 14 | William Jr. Gogran | 16 | Son | — | Pennsylvania |
| 15 | Fred Taylor | 34 | Head | Produce Marker | England |
| 16 | Alice Taylor | 29 | Wife | — | Pennsylvania |
| 17 | Esther Taylor | 8 | Daughter | — | Pennsylvania |
| 18 | Dorothy Taylor | 6 | Daughter | — | Pennsylvania |
| 19 | Andrew Ferer | 37 | Head | Craneman | Pennsylvania |
| 20 | Mary Ferer | 34 | Wife | — | Pennsylvania |
| 21 | Dorothy Ferer | 18 | Daughter | — | Pennsylvania |
| 22 | Edward Ferer | 14 | Son | — | Pennsylvania |
| 23 | Marilyn Ferer | 2 | Daughter | — | Pennsylvania |
| 24 | Andrew Jr. Ferer | 1 | Son | — | Pennsylvania |
| 25 | Mark Mank | 59 | Head | Shipping Clerk | England |
| 26 | Mary Mank | 55 | Wife | — | North Ireland |
| 27 | Delia Madden | 82 | Mother-in-law | — | North Ireland |
| 28 | Margaret Madden | 57 | Sister-in-law | — | Pennsylvania |
| 29 | Harold Kennedy | 32 | Head | Truck Driver | Ohio |
| 30 | Isabel Kennedy | 31 | Wife | — | Pennsylvania |
| 31 | Lillian Kennedy | 11 | Daughter | — | Pennsylvania |
| 32 | Isabel Kennedy | 10 | Daughter | — | Pennsylvania |
| 33 | William Kennedy | 8 | Son | — | Pennsylvania |
| 34 | Doris Kennedy | 6 | Daughter | — | Pennsylvania |
| 35 | James Fraser | 30 | Brother-in-law | Mechanics Helper | Pennsylvania |
| 36 | Marie Fraser | 27 | Sister-in-law | — | Pennsylvania |
| 37 | Laura Morrow | 53 | Head | — | Pennsylvania |
| 38 | Charles Morrow | 23 | Son | Truck Operator | Pennsylvania |
| 39 | Henry Morrow | 20 | Son | New Worker | Pennsylvania |
| 40 | Gertrude Morrow | 17 | Daughter | — | Pennsylvania |
Pedigree Summary
James + 3 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)