JG
Joseph Griffin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Joseph Griffin across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Griffin |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Glenshaw |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Unincorporated Place Mt Gibonias Road |
| Est. Birth Year | ~1911 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| William Bell | Other | — | 74 | ~1866 |
| Marcella Griffin | Spouse | — | 25 | ~1915 |
| Joseph Griffin | Head | — | 29 | ~1911 |
| Joseph Griffin | Son | — | 1 | ~1939 |
Census Appearances
1920
Allegheny, Pennsylvania
Other, age 10
Allegheny, Pennsylvania · implied b. ~1910 — 16 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Joseph |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Other, age 20
Allegheny, Pennsylvania · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Joseph |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Iron Worker |
| Industry | Structural Iron |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 29
Allegheny-County, Pennsylvania · implied b. ~1911 — 4 household members
| Surname | Griffin |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Glenshaw |
| 1935 Residence (County) | Allegheny |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| 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 Joseph Griffin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Joseph Griffin
Head · 1940 · age 29 · b. ~1911 · 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-t0627-03404-00868)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Kretzer | 66 | Head | Pumper | Pennsylvania |
| 42 | Isabel F. Kretzer | 57 | Wife | — | Pennsylvania |
| 43 | Joseph Griffin THIS PERSON | 29 | Head | Laborer | Pennsylvania |
| 44 | Marcella Griffin | 25 | Wife | — | Pennsylvania |
| 45 | Joseph J. Jr. Griffin | 1 | Son | — | Pennsylvania |
| 46 | William Bell | 74 | Father | — | Pennsylvania |
| 47 | Richard H. Kiskeman | 38 | Head | Miner | Pennsylvania |
| 48 | Margaret Kiskeman | 36 | Wife | — | Pennsylvania |
| 49 | Richard S. Kiskeman | 18 | Son | — | Ohio |
| 50 | Gladine Kiskeman | 15 | Daughter | — | Pennsylvania |
| 51 | Jennie Mae Kiskeman | 14 | Daughter | — | Pennsylvania |
| 52 | Violet M. Kiskeman | 13 | Daughter | — | Pennsylvania |
| 53 | Barbara Kiskeman | 1 | Daughter | — | Pennsylvania |
| 54 | William H. Miley | 38 | Head | Attendant | Pennsylvania |
| 55 | Bernice Miley | 28 | Wife | — | Pennsylvania |
| 56 | Genevieve Miley | 9 | Daughter | — | Pennsylvania |
| 57 | Bryan D. Oleshazel | 30 | Head | Laborer | Pennsylvania |
| 58 | Virginia Oleshazel | 29 | Wife | — | Pennsylvania |
| 59 | Lillian Oleshazel | 11 | Daughter | — | Pennsylvania |
| 60 | Rose B. Miley | 70 | Head | — | Pennsylvania |
| 61 | William Halsing | 32 | Head | Electrician | Pennsylvania |
| 62 | Virginia Halsing | 30 | Wife | — | Oklahoma |
| 63 | William R. Halsing | 6 | Son | — | Pennsylvania |
| 64 | Albert J. Hughes | 66 | Head | Laborer | Pennsylvania |
| 65 | Cristina Hughes | 65 | Wife | — | Pennsylvania |
| 66 | Leonard Hughes | 40 | Head | Clerk | Pennsylvania |
| 67 | Dorothy Hughes | 23 | Wife | — | Pennsylvania |
| 68 | Joan Hughes | 4 | Daughter | — | Pennsylvania |
| 69 | Leonard S. Hughes | 1 | Son | — | Pennsylvania |
| 70 | Vernon F. Hollen | 27 | Head | Designer | Pennsylvania |
| 71 | Ellen V. Hollen | 27 | Wife | — | Pennsylvania |
| 72 | Wayne Ferguson | 44 | Head | Mill Driller | Pennsylvania |
| 73 | Beulah Ferguson | 37 | Wife | — | Pennsylvania |
| 74 | Harold Ferguson | 19 | Son | — | Pennsylvania |
| 75 | Marcel Ferguson | 14 | Daughter | — | Pennsylvania |
| 76 | Grace Ferguson | 12 | Daughter | — | Pennsylvania |
| 77 | Alice Ferguson | 11 | Daughter | — | Pennsylvania |
| 78 | Velma Ferguson | 5 | Daughter | — | Pennsylvania |
| 79 | Lewis Tuppel | 24 | Head | Mechanic | Canada |
| 80 | Emma Tuppel | 22 | Wife | — | 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)