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John Mooney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Mooney across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Mooney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Mt. Lebanon (Boro) |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Hours Worked | 40 |
| Income (1939) | 750 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Mt Lebanon Boro |
| Est. Birth Year | ~1918 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Charles Mooney | Son | — | 19 | ~1921 |
| John Mooney | Son | — | 22 | ~1918 |
| Helen Borosky | Daughter | — | 23 | ~1917 |
| Margaret Mooney | Spouse | — | 47 | ~1893 |
| Paul Mooney | Son | — | 20 | ~1920 |
| Francis Mooney | Son | — | 23 | ~1917 |
| Ralph Mooney | Son | — | 16 | ~1924 |
| Francis Mooney | Head | — | 48 | ~1892 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mooney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Age at First Marriage | 12 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 22
Allegheny-County, Pennsylvania · implied b. ~1918 — 8 household members
| Surname | Mooney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Mt. Lebanon (Boro) |
| 1935 Residence (County) | Allegheny |
| Hours Worked | 40 |
| Income (1939) | 750 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Mooney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mooney
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Charles Mooney
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mooney
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Mooney
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Borosky
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Mooney
Sibling · 1940 · age 20
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-t0627-03420-00789)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Haret | 38 | Head | Stationary Engineer | Pennsylvania |
| 42 | Sarah Haret | 34 | Wife | — | Pennsylvania |
| 43 | Shirley Haret | 12 | Daughter | — | Pennsylvania |
| 44 | Thomas D. Campbell | 61 | Head | Proprietor | Pennsylvania |
| 45 | Anna D. Campbell | 60 | Wife | — | Pennsylvania |
| 46 | James D. Campbell | 26 | Son | — | Pennsylvania |
| 47 | Albert Lukas | 42 | Head | Entomologist | Latvia |
| 48 | Bertha O. Lukas | 69 | Mother | — | Germany |
| 49 | Raymond Casper | 31 | Head | Clerk | Ohio |
| 50 | Ruth Casper | 28 | Wife | — | Pennsylvania |
| 51 | Marjorie Casper | 2 | Daughter | — | Pennsylvania |
| 52 | Elizabeth Johnson | 50 | Head | Teacher | Pennsylvania |
| 53 | Elizabeth Johnson | 25 | Daughter | Teacher | Pennsylvania |
| 54 | Catherine Stewart | 59 | Head | Key Puncher | Pennsylvania |
| 55 | Catherine Stewart | 21 | Daughter | Key Puncher | Pennsylvania |
| 56 | Ruth Stewart | 20 | Daughter | Typist | Pennsylvania |
| 57 | David Stewart | 14 | Son | — | Pennsylvania |
| 58 | Katherine Hamburg | 29 | Boarder | — | Pennsylvania |
| 59 | Eva M. Stafford | 12 | Friend | — | Pennsylvania |
| 60 | Clarence Miller | 23 | Head | Order Clerk | Pennsylvania |
| 61 | Clarice O. Miller | 20 | Wife | — | Pennsylvania |
| 62 | Stanley Zaremba | 55 | Head | Car Inspector | Pennsylvania |
| 63 | Cecelia Zaremba | 53 | Wife | — | Pennsylvania |
| 64 | Edward Zaremba | 19 | Son | — | Pennsylvania |
| 65 | Robert Duntalsh | 16 | Grandson | — | Pennsylvania |
| 66 | Charles Cjill | 69 | Head | — | Hungary |
| 67 | Margaret Cjill | 60 | Wife | — | Hungary |
| 68 | Margaret Cjill | 30 | Daughter | Seamstress | Pennsylvania |
| 69 | Francis Mooney | 48 | Head | Supervisor | New Jersey |
| 70 | Margaret Mooney | 47 | Wife | — | Pennsylvania |
| 71 | Francis M. Jr. Mooney | 23 | Son | Millwright | Pennsylvania |
| 72 | John Mooney THIS PERSON | 22 | Son | — | Pennsylvania |
| 73 | Paul Mooney | 20 | Son | — | Pennsylvania |
| 74 | Charles Mooney | 19 | Son | Attendant | Pennsylvania |
| 75 | Ralph Mooney | 16 | Son | — | Pennsylvania |
| 76 | Helen Borosky | 23 | Daughter | — | Pennsylvania |
| 77 | Russell Maggi | 49 | Head | Foreman | Pennsylvania |
| 78 | Florella Maggi | 50 | Wife | — | Pennsylvania |
| 79 | Ann O. Maggi | 25 | Daughter | — | Pennsylvania |
| 80 | Son Walter | None | M | Radiator | — |
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)