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Robert Williamson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cambria-County, Pennsylvania
Our Model Tree links this Robert Williamson across the 1920, 1930 and 1940 US Censuses in Cambria-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 3-person household.
Age 56
b. ~1884
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cambria-County, Pennsylvania |
| Surname | Williamson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Johnstown City |
| 1935 Residence (County) | Cambria |
| Additional Details | |
| Occupation | Brakeman |
| Industry | Railroad Co |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 418 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Brakeman |
| Township / Ward | Johnstown City |
| Est. Birth Year | ~1884 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Elsie Williamson | Spouse | — | 35 | ~1905 |
| Robert Williamson | Head | — | 56 | ~1884 |
| Dorothy Williamson | Daughter | — | 19 | ~1921 |
Census Appearances
1920
Cambria, Pennsylvania
Head, age 35
Cambria, Pennsylvania · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | Robert H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Brakeman |
| Industry | Steam Railroad |
| 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
Cambria, Pennsylvania
Head, age 46
Cambria, Pennsylvania · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Brakeman |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $35 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Cambria-County, Pennsylvania
Head, age 56
Cambria-County, Pennsylvania · implied b. ~1884 — 3 household members
| Surname | Williamson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Johnstown City |
| 1935 Residence (County) | Cambria |
| Occupation | Brakeman |
| Industry | Railroad Co |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 418 |
| 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 Robert Williamson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Robert Williamson
Head · 1940 · age 56 · b. ~1884 · 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 — Cambria-County, Pennsylvania
Open full size
1940 US Federal Census — Cambria-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03454-00231)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Cook | 37 | Wife | — | Pennsylvania |
| 42 | Henry Flack | 58 | Lodger | Carpenter | Pennsylvania |
| 43 | Clara A. Boyes | 29 | Lodger | Telegraph Operator | Pennsylvania |
| 44 | Clara A. Brendon | 61 | Head | — | Pennsylvania |
| 45 | Edgar A. Brendon | 24 | Son | Machinist | Pennsylvania |
| 46 | Harry C. Eckhart | 32 | Head | Athletic Director | Minnesota |
| 47 | Aurelia Eckhart | 24 | Wife | — | Minnesota |
| 48 | Thomas Bernie | 70 | Head | Barber | Canada |
| 49 | Katherine Bernie | 68 | Wife | — | Ohio |
| 50 | John R. Jenkins | 55 | Head | Salesman | Ohio |
| 51 | Thyra B. Jenkins | 53 | Wife | — | Pennsylvania |
| 52 | Jr. Kermit Jenkins | 29 | Son | Assistant Superintendent | Pennsylvania |
| 53 | Beatrice Jenkins | 26 | Daughter | Saleswoman | Pennsylvania |
| 54 | Betty Jane Jenkins | 19 | Daughter | Saleswoman | Pennsylvania |
| 55 | Jack Jr. Jenkins | 18 | Son | Salesman | Pennsylvania |
| 56 | Billy Jenkins | 14 | Son | — | Pennsylvania |
| 57 | George Anderson | 29 | Head | Maintenance Man | Pennsylvania |
| 58 | Elsie Anderson | 28 | Wife | Saleswoman | Pennsylvania |
| 59 | Evelyn Anderson | 19 | Sister | New Worker | Pennsylvania |
| 60 | Sarah Anderson | 64 | Mother | — | Pennsylvania |
| 61 | End Of Block 104 Beginning Of Block 105 | None | — | — | — |
| 62 | E. W. Lennon | 34 | Head | Salesman | Pennsylvania |
| 63 | Marianne Lennon | 33 | Wife | — | Iowa |
| 64 | Martha Ann Lennon | 3 | Daughter | — | Pennsylvania |
| 65 | John Jr. Mihalic | 47 | Head | Beer Distributor | Pennsylvania |
| 66 | Agnes Mihalic | 32 | Wife | — | Ohio |
| 67 | Joseph W. Stanley | 56 | Head | Superintendent | New York |
| 68 | Marguerite Stanley | 58 | Wife | — | New York |
| 69 | Marguerite Stanley | 28 | Daughter | — | New York |
| 70 | Robert Ploient | 28 | Head | Clerk | Pennsylvania |
| 71 | Leona Ploient | 26 | Wife | — | Pennsylvania |
| 72 | Margaret Ploient | 19 | Sister | — | Pennsylvania |
| 73 | Harry Meeker | 51 | Head | Clerk | Pennsylvania |
| 74 | Almeda Meeker | 38 | Wife | — | Pennsylvania |
| 75 | Robert Williamson THIS PERSON | 56 | Head | Brakeman | Pennsylvania |
| 76 | Elsie Williamson | 35 | Wife | — | Pennsylvania |
| 77 | Dorothy Williamson | 19 | Daughter | — | Pennsylvania |
| 78 | Leo Dorian | 40 | Head | Conductor | Pennsylvania |
| 79 | Ida Dorian | 34 | Wife | — | Pennsylvania |
| 80 | Modell Dorian | 16 | Daughter | — | 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)