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William Harper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Westmoreland-County, Pennsylvania
Our Model Tree links this William Harper across the 1920, 1930 and 1940 US Censuses in Westmoreland-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & Sara — first a head (b.~1895), then head of a 4-person household.
Age 45
b. ~1895
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Westmoreland-County, Pennsylvania |
| Surname | Harper |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Irwin Borough |
| 1935 Residence (County) | Westmoreland |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Machinist |
| Industry | Rail Road |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | 5 |
| 1935 Residence | Same House |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Machinist |
| Township / Ward | Irwin Borough |
| Est. Birth Year | ~1895 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Gladys Harper | Daughter | — | 16 | ~1924 |
| William Harper | Head | — | 45 | ~1895 |
| Robert Harper | Son | — | 14 | ~1926 |
| Sara Harper | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Northumberland, Pennsylvania
Son, age 27
Northumberland, Pennsylvania · implied b. ~1893 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1902 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Machinist |
| Industry | Steam Rail Road |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Year of Naturalization | 1919 |
| Birthplace (normalized) | england |
1930
Westmoreland, Pennsylvania
Head, age 38
Westmoreland, Pennsylvania · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 29 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Machinist |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 19000 |
| Radio Set | R |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Westmoreland-County, Pennsylvania
Head, age 45
Westmoreland-County, Pennsylvania · implied b. ~1895 — 4 household members
| Surname | Harper |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Irwin Borough |
| 1935 Residence (County) | Westmoreland |
| Naturalization Status | Naturalized |
| Occupation | Machinist |
| Industry | Rail Road |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | 5 |
| 1935 Residence | Same House |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Harper across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father William Harper (~0.92 confidence) and mother Sara Harper (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Harper
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Sara Harper
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Harper
Head · 1940 · age 45 · b. ~1895 · Pennsylvania
★ You are viewing this record
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-t0627-03631-00671)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | R. D. Catherman | 36 | Wife | 0 | Pennsylvania |
| 2 | Eyla Ann Catherman | 6 | Daughter | — | Pennsylvania |
| 3 | Corlin A. Catherman | 3 | Son | — | Pennsylvania |
| 4 | Joseph Vorce | 53 | Head | Watchmaker | Austria |
| 5 | Lena H. Vorce | 46 | Wife | 0 | Pennsylvania |
| 6 | Hilda Marie Vorce | 22 | Daughter | Stenographer | Pennsylvania |
| 7 | Carl W. Vorce | 18 | Son | — | Pennsylvania |
| 8 | Joseph Jr. Vorce | 27 | Head | Laborer | Pennsylvania |
| 9 | Mildred T. Vorce | 26 | Wife | 0 | Pennsylvania |
| 10 | Carl E. Vorce | 7 | Son | — | Pennsylvania |
| 11 | Sarah E. Williams | 63 | Head | Dressmaker | Pennsylvania |
| 12 | Ray W. Brown | 31 | Head | Machine Setter | Pennsylvania |
| 13 | Helen L. Brown | 27 | Wife | 0 | Maryland |
| 14 | Daniel L. Starkey | 65 | Head | Telegrapher | Pennsylvania |
| 15 | Emma L. Starkey | 64 | Wife | 0 | Pennsylvania |
| 16 | Madeline Starkey | 38 | Daughter | Teacher | Pennsylvania |
| 17 | Rollin Heffelfinger | 47 | Head | Road Master Supervisor | Pennsylvania |
| 18 | Edna B. Heffelfinger | 47 | Wife | 0 | Pennsylvania |
| 19 | Elizabeth L. Heffelfinger | 17 | Daughter | — | Pennsylvania |
| 20 | James H. Tomask | 59 | Head | Private Business | Pennsylvania |
| 21 | Mary B. Tomask | 58 | Wife | 0 | Pennsylvania |
| 22 | Glenn V. Tomask | 34 | Son | Repair Man | Pennsylvania |
| 23 | Alberta L. Tomask | 32 | Daughter | Secretary | Pennsylvania |
| 24 | William Lomicka | 32 | Head | Clerk | Pennsylvania |
| 25 | Carrie Bell Lomicka | 29 | Wife | Operator | Pennsylvania |
| 26 | William Henry Lomicka | 3 | Son | — | Pennsylvania |
| 27 | Roy H. Mcmunn | 34 | Head | Teacher | Pennsylvania |
| 28 | Angela Jean Mcmunn | 35 | Wife | 0 | Pennsylvania |
| 29 | Ralph A. Sheaffer | 26 | Head | Accountant | Pennsylvania |
| 30 | C. Betty Sheaffer | 24 | Wife | 0 | Pennsylvania |
| 31 | Alf Brook | 40 | Head | Draftsman | England |
| 32 | Ruth L. Brook | 37 | Wife | 0 | Pennsylvania |
| 33 | James B. Brook | 12 | Son | — | Pennsylvania |
| 34 | Annie Brook | 70 | Mother | 0 | England |
| 35 | William H. Harper THIS PERSON | 45 | Head | Machinist | England |
| 36 | Sara E. Harper | 55 | Wife | 0 | Pennsylvania |
| 37 | Gladys M. Harper | 16 | Daughter | 0 | Pennsylvania |
| 38 | Robert W. Harper | 14 | Son | — | Pennsylvania |
| 39 | Margaret J. Downey | 54 | Head | 0 | Pennsylvania |
| 40 | Phyllis M. Stubbs | 28 | Daughter | 0 | Pennsylvania |
Pedigree Summary
William
Gen 1 · 2 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)