JD
James Donnelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Westmoreland-County, Pennsylvania
Our Model Tree links this James Donnelly across the 1920, 1930 and 1940 US Censuses in Westmoreland-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 4-person household.
Age 67
b. ~1873
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Westmoreland-County, Pennsylvania |
| Surname | Donnelly |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Greensburg |
| 1935 Residence (County) | Westmoreland |
| Naturalization Status | First papers filed |
| Additional Details | |
| Occupation | Laborer |
| Industry | Filling |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1140 |
| Highest Grade | No 6 |
| 1935 Residence | Pa |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Laborer |
| Township / Ward | Off New Stanton Road West Of State Route |
| Est. Birth Year | ~1873 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Donnelly | Spouse | — | 55 | ~1885 |
| Hugh Donnelly | Son | — | 26 | ~1914 |
| James Donnelly | Head | — | 67 | ~1873 |
| Thomas Donnelly | Son | — | 21 | ~1919 |
Census Appearances
1920
Westmoreland, Pennsylvania
Head, age 48
Westmoreland, Pennsylvania · implied b. ~1872 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Iron foundry |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Gaelic |
| Home Owned/Rented | R |
| Birth Country | Scotland |
| Year of Naturalization | 1898 |
| Birthplace (normalized) | scotland |
1930
Westmoreland, Pennsylvania
Head, age 58
Westmoreland, Pennsylvania · implied b. ~1872 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | James H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Age at First Marriage | 34 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Laborer |
| Industry | Gas Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Westmoreland-County, Pennsylvania
Head, age 67
Westmoreland-County, Pennsylvania · implied b. ~1873 — 4 household members
| Surname | Donnelly |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Greensburg |
| 1935 Residence (County) | Westmoreland |
| Naturalization Status | First papers filed |
| Occupation | Laborer |
| Industry | Filling |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1140 |
| Highest Grade | No 6 |
| 1935 Residence | Pa |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Donnelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Donnelly
Head · 1940 · age 67 · b. ~1873 · 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 — Westmoreland-County, Pennsylvania
Open full size
1940 US Federal Census — Westmoreland-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03631-00346)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hudson Fennell | 50 | Head | Truck Driver | Pa |
| 2 | Margaret Fennell | 52 | Wife | — | Pa |
| 3 | John Fennell | 24 | Son | Helper | Pa |
| 4 | Leroy Fennell | 17 | Son | — | Pa |
| 5 | William Fennell | 22 | Son | Laborer | Pa |
| 6 | Anna Fennell | 21 | Daughter | Beautician | Pa |
| 7 | Glenn Fennell | 20 | Brother | Farmer | Pa |
| 8 | Samuel Lammon | 62 | Head | Engineer | Pa |
| 9 | Alice Lammon | 51 | Wife | — | Pa |
| 10 | Jennie Apple | 57 | Head | — | Pa |
| 11 | Howard Harrold | 33 | Head | Postal Clerk | Pa |
| 12 | Evelyn Harrold | 29 | Wife | — | Pa |
| 13 | Elaine Harrold | 5 | Daughter | — | Pa |
| 14 | James Donnelly THIS PERSON | 67 | Head | Laborer | Scotland |
| 15 | Mary Donnelly | 55 | Wife | — | Pa |
| 16 | Hugh Donnelly | 26 | Son | Trucker | Pa |
| 17 | Thomas Donnelly | 21 | Son | Social Worker | Pa |
| 18 | William Walthour | 30 | Head | Teacher | Pa |
| 19 | Juliette Walthour | 26 | Wife | — | Pa |
| 20 | Richard Walthour | 8 | Son | — | Pa |
| 21 | Doris Walthour | 4 | Daughter | — | Pa |
| 22 | Bertha Walthour | 36 | Sister | Operator | Pa |
| 23 | William Detter | 39 | Head | Carpenter | Pa |
| 24 | Sarah Detter | 35 | Wife | — | Pa |
| 25 | William Jr. Detter | 11 | Son | — | Pa |
| 26 | Charles Detter | 7 | Son | — | Pa |
| 27 | Jack Detter | 4 | Son | — | Pa |
| 28 | John Mcfarland | 56 | Head | Glassdrawer | Pa |
| 29 | Clara Mcfarland | 41 | Wife | — | Pa |
| 30 | Helen Mcfarland | 22 | Daughter | Finisher | Pa |
| 31 | Genevieve Mcfarland | 20 | Daughter | Housework | Pa |
| 32 | Clara R. Mcfarland | 17 | Daughter | — | Pa |
| 33 | Charles E. Mcfarland | 15 | Son | — | Pa |
| 34 | Betty Jane Mcfarland | 8 | Daughter | — | Pa |
| 35 | William Mcfarland | 5 | Son | — | Pa |
| 36 | Lester Mason | 30 | Head | Trucking | West Virginia |
| 37 | Grace Mason | 29 | Wife | — | Pa |
| 38 | Grace Mason | 5 | Daughter | — | Pa |
| 39 | William Mason | 7 | Son | — | Pa |
| 40 | Lewis Lackner | 40 | Head | Cab Driver | Pa |
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)