TG
Thomas Griffin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Blair-County, Pennsylvania
Our Model Tree links this Thomas Griffin across the 1920, 1930 and 1940 US Censuses in Blair-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 5-person household.
Age 63
b. ~1877
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Blair-County, Pennsylvania |
| Surname | Griffin |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona City |
| 1935 Residence (County) | Blair |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Altoona City |
| Est. Birth Year | ~1877 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Christine Griffin | Spouse | — | 59 | ~1881 |
| Richard Griffin | Son | — | 22 | ~1918 |
| Robert Scott | Other | — | 32 | ~1908 |
| Thomas Griffin | Head | — | 63 | ~1877 |
| Helen Scott | Daughter | — | 33 | ~1907 |
Census Appearances
1920
Blair, Pennsylvania
Head, age 43
Blair, Pennsylvania · implied b. ~1877 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Gang Foreman |
| Industry | Railroad Shops |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Blair, Pennsylvania
Head, age 54
Blair, Pennsylvania · implied b. ~1876 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 27 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Fireman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6900 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Blair-County, Pennsylvania
Head, age 63
Blair-County, Pennsylvania · implied b. ~1877 — 5 household members
| Surname | Griffin |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona City |
| 1935 Residence (County) | Blair |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 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 Thomas Griffin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Griffin
Head · 1940 · age 63 · b. ~1877 · 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 — Blair-County, Pennsylvania
Open full size
1940 US Federal Census — Blair-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03437-00401)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Minnie Cockerville | 65 | Wife | — | Pennsylvania |
| 2 | Clara Cockerville | 34 | Daughter | Teacher Supv | Pennsylvania |
| 3 | Nancy Ann Cockerville | 21 | Daughter | — | Pennsylvania |
| 4 | Hester M Coulter | 83 | Head | — | Pennsylvania |
| 5 | Left Vacant Due To Wrong Information | None | — | — | — |
| 6 | William H. Hess | 61 | Head | — | Pennsylvania |
| 7 | Katherine Hess | 63 | Wife | Fitter | Pennsylvania |
| 8 | Bernice Hess | 35 | Daughter | Asst. Buyer | Pennsylvania |
| 9 | Harry S Gentzel | 63 | Head | Locom. Engineer | Pennsylvania |
| 10 | Annie M Gentzel | 62 | Wife | — | Pennsylvania |
| 11 | Edgar D Guersey | 76 | Head | — | Pennsylvania |
| 12 | Charlotte M Guersey | 72 | Wife | — | Pennsylvania |
| 13 | Donald M. Guersey | 50 | Son | Mail Carrier | Pennsylvania |
| 14 | Mary J Guersey | 45 | Daughter-in-law | — | Pennsylvania |
| 15 | Robert E Guersey | 23 | Grandson | Advertiser | Pennsylvania |
| 16 | Donald M. Jr. Guersey | 20 | Grandson | File Clerk | Pennsylvania |
| 17 | Louise Kephart | 80 | Lodger | — | Pennsylvania |
| 18 | End Of Block 295 | None | — | — | — |
| 19 | Thomas Kelley | 51 | Head | Car Repairman | Pennsylvania |
| 20 | Sara Kelley | 47 | Wife | — | Missouri |
| 21 | Jane Kelley | 23 | Daughter | Book Keeper | Pennsylvania |
| 22 | Cathryn Kelley | 23 | Daughter | Book Keeper | Pennsylvania |
| 23 | William C Mcknight | 70 | Head | — | Pennsylvania |
| 24 | Ella Mcknight | 66 | Wife | — | Pennsylvania |
| 25 | Rudolph Bella Mcknight | 73 | Sister-in-law | — | Pennsylvania |
| 26 | Charles W Albright | 58 | Head | — | Pennsylvania |
| 27 | Bertha Albright | 54 | Wife | — | Pennsylvania |
| 28 | Samuel Albright | 26 | Son | Asst Manager | Pennsylvania |
| 29 | Sally Albright | 20 | Daughter | Stenographer | Pennsylvania |
| 30 | Thomas J. Griffin THIS PERSON | 63 | Head | — | Pennsylvania |
| 31 | Christine Griffin | 59 | Wife | — | Pennsylvania |
| 32 | Richard Griffin | 22 | Son | Storage Attendant | Pennsylvania |
| 33 | Helen Jane Scott | 33 | Daughter | — | Pennsylvania |
| 34 | Robert Leroy Scott | 32 | Son-in-law | Storage Attendant | Pennsylvania |
| 35 | Chester A Humbert | 58 | Head | Insurance | Pennsylvania |
| 36 | Jessie B Humbert | 49 | Wife | — | Pennsylvania |
| 37 | Chester A. Jr. Humbert | 25 | Son | New Worker | Pennsylvania |
| 38 | Vivienne Humbert | 22 | Daughter | Stenographer | Pennsylvania |
| 39 | Robert E. Humbert | 20 | Son | New Worker | Pennsylvania |
| 40 | Merrill J. Humbert | 19 | 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)