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William Robbins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fayette-County, Pennsylvania
Our Model Tree links this William Robbins across the 1920, 1930 and 1940 US Censuses in Fayette-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Joseph & Lettia — first a head (b.~1901), then head of a 7-person household.
Age 39
b. ~1901
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Fayette-County, Pennsylvania |
| Surname | Robbins |
| Given Name | William (X) |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Keisterville |
| 1935 Residence (County) | Fayette |
| Additional Details | |
| Occupation | Laborer |
| Industry | Coal Mine |
| Class of Worker | PW |
| Hours Worked | 14 |
| Income (1939) | 420 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Keisterville |
| Est. Birth Year | ~1901 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Robbins | Head | — | 39 | ~1901 |
| Pearl Robbins | Daughter | — | 13 | ~1927 |
| Martha Robbins | Daughter | — | 9 | ~1931 |
| Mary Robbins | Spouse | — | 33 | ~1907 |
| Sheldon Robbins | Son | — | 15 | ~1925 |
| Alfred Robbins | Son | — | 5 | ~1935 |
| Charles Robbins | Son | — | 1 | ~1939 |
Census Appearances
1920
Fayette, Pennsylvania
Son, age 19
Fayette, Pennsylvania · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robbins |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Occupation | Roadman |
| Industry | Coke Works |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Fayette, Pennsylvania
Head, age 29
Fayette, Pennsylvania · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robbins |
| Given Name | William P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 24 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Occupation | Laborer |
| Industry | Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 6 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Fayette-County, Pennsylvania
Head, age 39
Fayette-County, Pennsylvania · implied b. ~1901 — 7 household members
| Surname | Robbins |
| Given Name | William (X) |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Keisterville |
| 1935 Residence (County) | Fayette |
| Occupation | Laborer |
| Industry | Coal Mine |
| Class of Worker | PW |
| Hours Worked | 14 |
| Income (1939) | 420 |
| 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 Robbins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Robbins (~0.92 confidence) and mother Lettia Robbins (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Robbins
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Lettia Robbins
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Robbins
Head · 1940 · age 39 · b. ~1901 · 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 — Fayette-County, Pennsylvania
Open full size
1940 US Federal Census — Fayette-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03505-00579)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank Chyzosky | 20 | Son | Laborer | Pennsylvania |
| 42 | Joseph Chyzosky | 17 | Son | New Worker | Pennsylvania |
| 43 | Helen Chyzosky | 14 | Daughter | — | Pennsylvania |
| 44 | Stella Chyzosky | 9 | Daughter | — | Pennsylvania |
| 45 | John (X) Pollak | 61 | Head | Laborer | Czechoslovakia |
| 46 | Paul Mihalick | 58 | Boarder | Laborer | Czechoslovakia |
| 47 | Joseph (X) Gaspar | 31 | Head | Laborer | Pennsylvania |
| 48 | Frances Gaspar | 29 | Wife | — | Pennsylvania |
| 49 | Joseph Jr. Gaspar | 8 | Son | — | Pennsylvania |
| 50 | Charles (X) Krupp | 26 | Head | Laborer | Pennsylvania |
| 51 | Evelyn Krupp | 27 | Wife | — | Pennsylvania |
| 52 | Nancy Krupp | 2 | Daughter | — | Pennsylvania |
| 53 | Joseph (X) Gaspar | 63 | Head | Laborer | Czechoslovakia |
| 54 | Frank Gaspar | 16 | Son | New Worker | Pennsylvania |
| 55 | Mike Gaspar | 21 | Son | Laborer | Pennsylvania |
| 56 | Catherine Gaspar | 21 | Daughter in law | — | Pennsylvania |
| 57 | Paul (X) Tasko | 55 | Head | Miner | Czechoslovakia |
| 58 | Mamie Tasko | 41 | Wife | — | Czechoslovakia |
| 59 | Helen Tasko | 17 | Daughter | New Worker | Pennsylvania |
| 60 | Effie Tasko | 15 | Daughter | — | Pennsylvania |
| 61 | Pauline Tasko | 11 | Daughter | — | Pennsylvania |
| 62 | Clarence (X) Franko | 35 | Head | Stable Boss | Pennsylvania |
| 63 | Lola Franko | 34 | Wife | — | Pennsylvania |
| 64 | Gwendolyn Franko | 16 | Daughter | — | Pennsylvania |
| 65 | Ruth Franko | 14 | Daughter | — | Pennsylvania |
| 66 | Clarence Franko | 11 | Son | — | Pennsylvania |
| 67 | Retta Jean Franko | 10 | Daughter | — | Pennsylvania |
| 68 | Earlene Franko | 8 | Daughter | — | Pennsylvania |
| 69 | Edward Franko | 5 | Son | — | Pennsylvania |
| 70 | Carol R. Franko | 3 | Son | — | Pennsylvania |
| 71 | Marilyn J. Franko | 0 | Daughter | — | Pennsylvania |
| 72 | William (X) Robbins THIS PERSON | 39 | Head | Laborer | Pennsylvania |
| 73 | Mary Robbins | 33 | Wife | — | West Virginia |
| 74 | Sheldon Robbins | 15 | Son | — | Pennsylvania |
| 75 | Pearl Robbins | 13 | Daughter | — | Pennsylvania |
| 76 | Martha Robbins | 9 | Daughter | — | Pennsylvania |
| 77 | Alfred Robbins | 5 | Son | — | Pennsylvania |
| 78 | Charles Robbins | 1 | Son | — | Pennsylvania |
| 79 | Clark Stilson | 52 | Head | Laborer | Pennsylvania |
| 80 | Kate (X) Stilson | 50 | Wife | — | Pennsylvania |
Pedigree Summary
William
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)