JG
James Griffin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Griffin across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 5-person household.
Age 72
b. ~1868
Male
Head
Born: England
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Griffin |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Sewickley Boro |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same House |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Sewickley Boro |
| Est. Birth Year | ~1868 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Ethel White | Daughter | — | 35 | ~1905 |
| James Griffin | Head | — | 72 | ~1868 |
| Carl Dixon | Other | — | 44 | ~1896 |
| Thomas Grogan | Other | — | 48 | ~1892 |
| John White | Other | — | 31 | ~1909 |
Census Appearances
1920
Allegheny, Pennsylvania
Head, age 55
Allegheny, Pennsylvania · implied b. ~1865 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Jabez |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | England |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Watchman |
| Industry | Office Bldg |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | England |
| Year of Naturalization | 1892 |
| Birthplace (normalized) | england |
1930
Allegheny, Pennsylvania
Head, age 60
Allegheny, Pennsylvania · implied b. ~1870 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 31 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Chauffeur |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Radio Set | R |
| Veteran | No |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Allegheny-County, Pennsylvania
Head, age 72
Allegheny-County, Pennsylvania · implied b. ~1868 — 5 household members
| Surname | Griffin |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Sewickley Boro |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same House |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Griffin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Griffin
Head · 1940 · age 72 · b. ~1868 · 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-t0627-03416-00658)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John W. Jewett | 52 | Head | Structural Engineer | Tennessee |
| 2 | Eloie S. Jewett | 46 | Wife | — | Ohio |
| 3 | Clarence H. Vant | 45 | Head | Trade Relations Department | New York |
| 4 | Edith C. Vant | 41 | Wife | — | Pennsylvania |
| 5 | Harry J. Haude | 34 | Head | Cost Accountant | Pennsylvania |
| 6 | Charlotte D. Haude | 30 | Wife | — | West Virginia |
| 7 | Richard H. Haude | 4 | Son | — | Pennsylvania |
| 8 | David O. Haude | 2 | Son | — | Pennsylvania |
| 9 | John J. Lotter | 47 | Head | Carpenter | Pennsylvania |
| 10 | Emma D. Lotter | 42 | Wife | — | New York |
| 11 | Richard D. Lotter | 19 | Son | Stenographer-Clerk | Pennsylvania |
| 12 | John J. Jr. Lotter | 17 | Son | — | Pennsylvania |
| 13 | James Griffin THIS PERSON | 72 | Head | — | England |
| 14 | John B. White | 31 | Son-in-law | Insurance Agent | Massachusetts |
| 15 | Ethel A. White | 35 | Daughter | — | Pennsylvania |
| 16 | Carl Dixon | 44 | Lodger | Chief Engineer | Ohio |
| 17 | Thomas M. Grogan | 48 | Lodger | Accountant | Pennsylvania |
| 18 | Edmund J. Fairfield | 70 | Head | Accountant | Illinois |
| 19 | Lena C. Fairfield | 68 | Wife | — | New York |
| 20 | Julius W. Klicker | 60 | Head | Body Worker | Ohio |
| 21 | Katherine Klicker | 60 | Wife | — | Pennsylvania |
| 22 | Harriet M. Klicker | 32 | Daughter | Bookkeeper | Pennsylvania |
| 23 | David W. Klicker | 31 | Son | Attendant | Pennsylvania |
| 24 | Willard H. Klicker | 26 | Son | Deliveryman | Pennsylvania |
| 25 | Ruth K. Klicker | 17 | Daughter | — | Pennsylvania |
| 26 | Benjamin F. Campney | 39 | Head | Bookkeeper | Pennsylvania |
| 27 | Maudeta Campney | 38 | Wife | — | Pennsylvania |
| 28 | Sally Campney | 9 | Daughter | — | Pennsylvania |
| 29 | Anna Mack | 30 | Servant | Servant | Pennsylvania |
| 30 | Harry K. Campney | 50 | Head | Salesman | Pennsylvania |
| 31 | Mary Campney | 51 | Wife | — | Pennsylvania |
| 32 | Harry K. Jr. Campney | 12 | Son | — | Pennsylvania |
| 33 | Mary M. Campney | 9 | Daughter | — | Pennsylvania |
| 34 | Fred F. Ague | 52 | Head | Partner | Pennsylvania |
| 35 | Mary E. Ague | 38 | Wife | — | Pennsylvania |
| 36 | Dorothy E. Price | 27 | Lodger | Operator | Pennsylvania |
| 37 | William C. Beck | 44 | Head | Electrician | Pennsylvania |
| 38 | Sophie B. Beck | 45 | Wife | — | Pennsylvania |
| 39 | William C. Jr. Beck | 16 | Son | — | Pennsylvania |
| 40 | Donald Beck | 8 | 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)