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John Joyce — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Joyce across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 7-person household.
Age 42
b. ~1898
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Joyce |
| Given Name | John R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | 40 |
| Industry | Policeman |
| Class of Worker | City Force |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | 40 |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1898 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| James Joyce | Son | — | 13 | ~1927 |
| John Joyce | Son | — | 16 | ~1924 |
| John Joyce | Head | — | 42 | ~1898 |
| Mary Joyce | Spouse | — | 38 | ~1902 |
| Ellen Joyce | Daughter | — | 18 | ~1922 |
| Raymond Joyce | Son | — | 10 | ~1930 |
| Thomas Joyce | Son | — | 15 | ~1925 |
Census Appearances
1930
Allegheny, Pennsylvania
Head, age 31
Allegheny, Pennsylvania · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Joyce |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 27 |
| Father's Birthplace | Northern Ireland |
| Mother's Birthplace | Northern Ireland |
| Occupation | Accountant |
| Industry | Construction |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 8,000 |
| Radio Set | R |
| Veteran | Yes WW |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 42
Allegheny-County, Pennsylvania · implied b. ~1898 — 7 household members
| Surname | Joyce |
| Given Name | John R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (County) | Allegheny |
| Occupation | 40 |
| Industry | Policeman |
| Class of Worker | City Force |
| 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 John Joyce across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Joyce
Head · 1940 · age 42 · b. ~1898 · 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 — 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-t0627-03667-00363)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nicholas Leitinger | 63 | Head | Painter Contractor | Austria |
| 42 | Alice L. Leitinger | 58 | Wife | — | Austria |
| 43 | Joseph Leitinger | 37 | Son | Painter | Austria |
| 44 | Henry J. Schroeder | 38 | Son-in-law | Baker | Germany |
| 45 | Rose Schroeder | 31 | Daughter | — | Austria |
| 46 | Diane M. Schroeder | 2 | Granddaughter | — | Pennsylvania |
| 47 | Paul Menuchi | 27 | Head | 40 | Pennsylvania |
| 48 | Mary K. Menuchi | 32 | Wife | — | Pennsylvania |
| 49 | Florence M. Toulk | 14 | Step-daughter | — | Pennsylvania |
| 50 | Dolores Toulk | 7 | Step-daughter | — | Pennsylvania |
| 51 | Selma M. Reads | 34 | Head | — | Pennsylvania |
| 52 | Patricia K. Reads | 10 | Daughter | — | Pennsylvania |
| 53 | Erma M. Workmaster | 30 | Sister | 40 | Pennsylvania |
| 54 | Laura Winters | 59 | Head | — | Pennsylvania |
| 55 | Jacob Baummiller | 57 | Head | 30 | Pennsylvania |
| 56 | William Baummiller | 53 | Brother | 21 | Pennsylvania |
| 57 | Albert G. Workmaster | 50 | Head | 45 | Pennsylvania |
| 58 | John R. Joyce THIS PERSON | 42 | Head | 40 | Pennsylvania |
| 59 | Mary L. Joyce | 38 | Wife | — | Pennsylvania |
| 60 | Ellen M. Joyce | 18 | Daughter | — | Pennsylvania |
| 61 | John R. Jr. Joyce | 16 | Son | — | Pennsylvania |
| 62 | Thomas R. Joyce | 15 | Son | — | Pennsylvania |
| 63 | James Joyce | 13 | Son | — | Pennsylvania |
| 64 | Raymond B. Joyce | 10 | Son | — | Pennsylvania |
| 65 | Mary E. Welsh | 64 | Head | — | Pennsylvania |
| 66 | Irene E. Freeman | 36 | Head | — | Pennsylvania |
| 67 | Clay Walls | 38 | Head | 40 | Pennsylvania |
| 68 | Violet Walls | 38 | Wife | — | Ohio |
| 69 | Jacob Stein | 74 | Head | — | Pennsylvania |
| 70 | Leon R. Stein | 49 | Son | — | Pennsylvania |
| 71 | Edna M. Stein | 45 | Daughter | — | Pennsylvania |
| 72 | Florence Hull | 40 | Daughter | — | Pennsylvania |
| 73 | Myrna R. Hull | 20 | Granddaughter | — | Pennsylvania |
| 74 | Anna M. Schmidt | 60 | Head | — | Pennsylvania |
| 75 | Cyril P. Schmidt | 34 | Son | 40 | Pennsylvania |
| 76 | Arthur E. Schmidt | 27 | Son | 40 | Pennsylvania |
| 77 | Andrew Schmidt | 58 | Head | 40 | Pennsylvania |
| 78 | Karen A. Schmidt | 57 | Wife | — | Norway |
| 79 | George F. Schmidt | 28 | Son | 30 | Pennsylvania |
| 80 | Edna F. Schmidt | 26 | Daughter-in-law | — | Alabama |
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)