WG
William Griffin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this William Griffin across the 1910, 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Griffin |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh city |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Repairman |
| Industry | Bedroom fixtures manufacturing |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 936 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Repairman |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1907 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Griffin | Head | — | 33 | ~1907 |
| Robert Griffin | Son | — | 10 | ~1930 |
| Elizabeth Griffin | Spouse | — | 31 | ~1909 |
Census Appearances
1910
Allegheny, Pennsylvania
Other, age 3
Allegheny, Pennsylvania · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | William R. |
| Relationship to Head | Grand son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Other, age 13
Allegheny, Pennsylvania · implied b. ~1907 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | William H. |
| Relationship to Head | Inmate |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| 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
Son, age 23
Allegheny, Pennsylvania · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerk |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 33
Allegheny-County, Pennsylvania · implied b. ~1907 — 3 household members
| Surname | Griffin |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh city |
| 1935 Residence (County) | Allegheny |
| Occupation | Repairman |
| Industry | Bedroom fixtures manufacturing |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 936 |
| Highest Grade | No 8 |
| 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 William Griffin across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Griffin
Head · 1940 · age 33 · b. ~1907 · 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-t0627-03675-00529)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Conti | 14 | Son | — | Pennsylvania |
| 42 | Carl Conti | 7 | Son | — | Pennsylvania |
| 43 | Sylvia Conti | 6 | Daughter | — | Pennsylvania |
| 44 | Matthew Elsey | 45 | Head | Meter Reader | Pennsylvania |
| 45 | Anna Elsey | 43 | Wife | — | Pennsylvania |
| 46 | Charles Elsey | 13 | Son | — | Pennsylvania |
| 47 | Richard Elsey | 9 | Son | — | Pennsylvania |
| 48 | Edna A. Elsey | 6 | Daughter | — | Pennsylvania |
| 49 | George Nicola | 34 | Brother-in-law | Truck Driver | Pennsylvania |
| 50 | William O. Wetzell | 58 | Head | Laborer | Pennsylvania |
| 51 | Emma Wetzell | 57 | Wife | — | Pennsylvania |
| 52 | Earnest A. Wetzell | 26 | Son | Tube Tester | Pennsylvania |
| 53 | Martha Wetzell | 20 | Daughter | Saleswoman | Pennsylvania |
| 54 | George Rawicke | 43 | Head | Bookkeeper | Pennsylvania |
| 55 | Anna M. Rawicke | 43 | Wife | — | Pennsylvania |
| 56 | Mary Reichel | 44 | Head | — | Pennsylvania |
| 57 | Thomas Mccloskey | 46 | Brother | Stone Cutter | Pennsylvania |
| 58 | Thomas Jr. Mccloskey | 17 | Nephew | Stone Cutter | Pennsylvania |
| 59 | Anthony Derbish | 32 | Head | — | Pennsylvania |
| 60 | Anna Derbish | 28 | Wife | — | New York |
| 61 | Clara Derbish | 10 | Daughter | — | Pennsylvania |
| 62 | William A. Ladebue | 41 | Head | Truck Driver | Pennsylvania |
| 63 | Edith M. Ladebue | 46 | Wife | — | Pennsylvania |
| 64 | Olive J. Ladebue | 21 | Daughter | Nurse'S Aide | Pennsylvania |
| 65 | Joan Ladebue | 19 | Daughter | Maid | Pennsylvania |
| 66 | William Ladebue | 14 | Son | — | Pennsylvania |
| 67 | Robert Ladebue | 9 | Son | — | Pennsylvania |
| 68 | June Ladebue | 3 | Daughter | — | Pennsylvania |
| 69 | Peter Murray | 70 | Head | — | Pennsylvania |
| 70 | Catherine Murray | 71 | Wife | — | Pennsylvania |
| 71 | Elmer Walton | 22 | Grandson | Truck Driver | Pennsylvania |
| 72 | Earl Walton | 23 | Grandson | Piano Player | Pennsylvania |
| 73 | Harry Mader | 53 | Head | Metal Polisher | Pennsylvania |
| 74 | Nettie Mader | 48 | Wife | — | Pennsylvania |
| 75 | Harold Mader | 22 | Son | Final Inspector | Pennsylvania |
| 76 | Jack Mader | 20 | Son | Balance & Polish | Pennsylvania |
| 77 | Marion Mader | 17 | Daughter | — | Pennsylvania |
| 78 | William Griffin THIS PERSON | 33 | Head | Repairman | Pennsylvania |
| 79 | Elizabeth Griffin | 31 | Wife | — | Pennsylvania |
| 80 | Robert Griffin | 10 | Son | — | 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)