JW
James Welch — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Welch across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 8-person household.
Age 48
b. ~1892
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Welch |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Mt Lebanon |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Sales Engineer |
| Industry | Machinery |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 5000 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Sales Engineer |
| Township / Ward | Mt Lebanon |
| Est. Birth Year | ~1892 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Bernadine Welch | Daughter | — | 8 | ~1932 |
| Ann Welch | Daughter | — | 6 | ~1934 |
| Mary Welch | Daughter | — | 10 | ~1930 |
| James Welch | Head | — | 48 | ~1892 |
| James Welch | Son | — | 21 | ~1919 |
| Rearby Welch | Son | — | 19 | ~1921 |
| Eugene Welch | Son | — | 11 | ~1929 |
| Hazel Welch | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Allegheny, Pennsylvania
Head, age 40
Allegheny, Pennsylvania · implied b. ~1890 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | James H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 25 |
| Father's Birthplace | New York |
| Mother's Birthplace | Massachusetts |
| Occupation | Sales Engineer |
| Industry | Industrial Mach |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 18,500 |
| Radio Set | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Allegheny-County, Pennsylvania
Head, age 48
Allegheny-County, Pennsylvania · implied b. ~1892 — 8 household members
| Surname | Welch |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Mt Lebanon |
| 1935 Residence (County) | Allegheny |
| Occupation | Sales Engineer |
| Industry | Machinery |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 5000 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Welch across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Welch
Head · 1940 · age 48 · b. ~1892 · 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-t0627-03411-00467)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leo Schober | 44 | Head | Insurance | Pennsylvania |
| 42 | Bertilla Schober | 37 | Wife | — | Pennsylvania |
| 43 | Leo Jr Schober | 14 | Son | — | Pennsylvania |
| 44 | Richard Schober | 10 | Son | — | Pennsylvania |
| 45 | Frank Pardoe | 61 | Head | Coal Mine Supt | England |
| 46 | Margaret Pardoe | 54 | Wife | — | Pennsylvania |
| 47 | Pauline Pardoe | 23 | Daughter | Stenographer | Pennsylvania |
| 48 | Barber C Palmer | 43 | Head | Counsel | Kentucky |
| 49 | Nanny M Palmer | 43 | Wife | — | Kentucky |
| 50 | Barber C Jr Palmer | 12 | Son | — | District of Columbia |
| 51 | James Welch THIS PERSON | 48 | Head | Sales Engineer | Massachusetts |
| 52 | Hazel Welch | 47 | Wife | — | Connecticut |
| 53 | James Welch | 21 | Son | — | Connecticut |
| 54 | Rearby Welch | 19 | Son | — | Connecticut |
| 55 | Eugene Welch | 11 | Son | — | Pennsylvania |
| 56 | Mary Welch | 10 | Daughter | — | Pennsylvania |
| 57 | Bernadine Welch | 8 | Daughter | — | Pennsylvania |
| 58 | Ann Welch | 6 | Daughter | — | Pennsylvania |
| 59 | James S Taylor | 44 | Head | Professor | Connecticut |
| 60 | Geraldine Taylor | 44 | Wife | — | Pennsylvania |
| 61 | Geo L Thiery | 49 | Head | Naval Inspector | Pennsylvania |
| 62 | Margaret V Thiery | 45 | Wife | — | Pennsylvania |
| 63 | Patrick Gallagher | 74 | Father-in-law | — | Ireland |
| 64 | Mary Gallagher | 70 | Mother-in-law | — | Ireland |
| 65 | Josephine Guter | 24 | Maid | Maid | Pennsylvania |
| 66 | Robt P Mcneily | 46 | Head | Elec Engin | Pennsylvania |
| 67 | Florence C Mcneily | 44 | Wife | — | Ohio |
| 68 | Nancy Mcneily | 15 | Daughter | — | Ohio |
| 69 | Patricia Ann Mcneily | 8 | Daughter | — | Ohio |
| 70 | Jacob H Dr John | 48 | Head | Genl Manager | Pennsylvania |
| 71 | Agnes B Dr John | 44 | Wife | — | Pennsylvania |
| 72 | Paul Dr John | 24 | Son | Loader | Pennsylvania |
| 73 | Kenneth Dr John | 19 | Son | — | Pennsylvania |
| 74 | Roger Dr John | 16 | Son | — | Pennsylvania |
| 75 | Robert Dr John | 12 | Son | — | Pennsylvania |
| 76 | Donald Dr John | 10 | Son | — | Pennsylvania |
| 77 | Richard Mcgibson | 31 | Head | Clerk | Pennsylvania |
| 78 | Evelyn Mcgibson | 27 | Wife | — | Pennsylvania |
| 79 | Carole Mcgibson | 4 | Daughter | — | Pennsylvania |
| 80 | Gloria Mcgibson | 2 | Daughter | — | 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)