JH
John Huff — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Huff across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents George & Frances — first a head (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Huff |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Swissvale Borough |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Inspector |
| Industry | Electrical Mfg. Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 996 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Inspector |
| Township / Ward | Swissvale Borough |
| Est. Birth Year | ~1904 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Huff | Son | — | 10 | ~1930 |
| John Huff | Head | — | 36 | ~1904 |
| Ruth Huff | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 16
Allegheny, Pennsylvania · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoff |
| Given Name | John S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 26
Allegheny, Pennsylvania · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoff |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 24 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | laborer |
| Industry | Electric Mfg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 40 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 36
Allegheny-County, Pennsylvania · implied b. ~1904 — 3 household members
| Surname | Huff |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Swissvale Borough |
| 1935 Residence (County) | Allegheny |
| Occupation | Inspector |
| Industry | Electrical Mfg. Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 996 |
| Highest Grade | H 2 |
| 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 Huff across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Hoff (~0.92 confidence) and mother Frances Hoff (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Hoff
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Frances Hoff
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Huff
Head · 1940 · age 36 · b. ~1904 · 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-t0627-03418-00598)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Jr. Shearer | 19 | Son | Attendant | Pennsylvania |
| 42 | Patrick Shearer | 34 | Head | Manager | Pennsylvania |
| 43 | Cecelia Shearer | 34 | Wife | — | Pennsylvania |
| 44 | Patrick Jr. Shearer | 10 | Son | — | Pennsylvania |
| 45 | Carl Edgar | 38 | Head | Foreman | Pennsylvania |
| 46 | Gladys Edgar | 35 | Wife | — | Pennsylvania |
| 47 | William Edgar | 16 | Son | — | Pennsylvania |
| 48 | Evelyn Edgar | 13 | Daughter | — | Pennsylvania |
| 49 | Kenneth Edgar | 11 | Son | — | Pennsylvania |
| 50 | John Simon | 45 | Head | Valve Grinder | Pennsylvania |
| 51 | Nellie Simon | 54 | Wife | — | Pennsylvania |
| 52 | Edward Simon | 25 | Son | Counterman | Pennsylvania |
| 53 | Roy Simon | 22 | Son | Dye Maker | Pennsylvania |
| 54 | Andrew Sales | 62 | Head | Architecture | Scotland |
| 55 | Esther Sales | 55 | Wife | — | Sweden |
| 56 | Eva Virginia Sales | 25 | Daughter | — | Pennsylvania |
| 57 | Eliza Shane | 67 | Head | — | Ohio |
| 58 | Albert Shane | 29 | Son | Sanitary Engineer | Pennsylvania |
| 59 | Eugene Costranders | 27 | Roomer | Chemist | Washington |
| 60 | William M. Brown | 47 | Roomer | Draftsman | Pennsylvania |
| 61 | Hazel M. Allen | 48 | Roomer | Sales Clerk | Pennsylvania |
| 62 | Walter L. Snyder | 24 | Roomer | Potter | Pennsylvania |
| 63 | — | None | Roomer | — | — |
| 64 | — | None | Roomer | — | — |
| 65 | Frank Hickey | 52 | Head | Machinist | Canada English |
| 66 | Helen Hickey | 46 | Wife | — | Pennsylvania |
| 67 | Francis Hickey | 19 | Son | Machinist | Pennsylvania |
| 68 | Mary Regina Hickey | 11 | Daughter | — | Pennsylvania |
| 69 | Wilma Proffitt | 57 | Head | — | Sweden |
| 70 | James Carey | 53 | Roomer | Electrician | England |
| 71 | John Huff THIS PERSON | 36 | Head | Inspector | Pennsylvania |
| 72 | Ruth Huff | 34 | Wife | — | Pennsylvania |
| 73 | John Jr. Huff | 10 | Son | — | Pennsylvania |
| 74 | George Fulton | 48 | Head | Salesman | Pennsylvania |
| 75 | Mary Fulton | 45 | Wife | — | Pennsylvania |
| 76 | Donald Fulton | 19 | Son | Service Station | Pennsylvania |
| 77 | Virginia Fulton | 15 | Daughter | — | Pennsylvania |
| 78 | Wayne Southworth | 44 | Head | M. T. Supervisor | Pennsylvania |
| 79 | Nettie Southworth | 46 | Wife | — | Pennsylvania |
| 80 | Albert Poole | 52 | Head | Building Contractor | England |
Pedigree Summary
John
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)