RC
Robert Carroll — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cambria-County, Pennsylvania
Our Model Tree links this Robert Carroll across the 1930 and 1940 US Censuses in Cambria-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1908), then head of a 8-person household.
Age 32
b. ~1908
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cambria-County, Pennsylvania |
| Surname | Carroll |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Clearfield Twp. |
| 1935 Residence (County) | Cambria |
| Additional Details | |
| Occupation | Machinist |
| Industry | PRR Shops |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 326 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Machinist |
| Township / Ward | Clearfield Twp |
| Est. Birth Year | ~1908 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Margaret Carroll | Daughter | — | 2 | ~1938 |
| Jane Carroll | Daughter | — | 3 | ~1937 |
| Paul Carroll | Son | — | 5 | ~1935 |
| Mary Carroll | Spouse | — | 28 | ~1912 |
| George Carroll | Son | — | 7 | ~1933 |
| Mary Carroll | Daughter | — | 7 | ~1933 |
| Robert Carroll | Head | — | 32 | ~1908 |
| Robert Carroll | Son | — | ~1940 |
Census Appearances
1930
Cambria, Pennsylvania
Head, age 22
Cambria, Pennsylvania · implied b. ~1908 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Robert W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Labor |
| Industry | Odd Jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Cambria-County, Pennsylvania
Head, age 32
Cambria-County, Pennsylvania · implied b. ~1908 — 8 household members
| Surname | Carroll |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Clearfield Twp. |
| 1935 Residence (County) | Cambria |
| Occupation | Machinist |
| Industry | PRR Shops |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 326 |
| Highest Grade | H 4 |
| 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 Carroll across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Carroll
Head · 1940 · age 32 · b. ~1908 · 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-t0627-03452-00030)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Phyllis Keller | 6 | Daughter | — | Illinois |
| 2 | Joyce Keller | 2 | Daughter | — | Pennsylvania |
| 3 | Jane Chirdon | 21 | Niece | Housekeeper | Pennsylvania |
| 4 | William Chirdon | 17 | Nephew | Ccc Worker | Pennsylvania |
| 5 | Earl C. Smithmeyer | 31 | Head | Car Repairer | Pennsylvania |
| 6 | Marie Smithmeyer | 29 | Wife | — | Pennsylvania |
| 7 | Alice Smithmeyer | 8 | Daughter | — | Pennsylvania |
| 8 | Barbara Smithmeyer | 6 | Daughter | — | Pennsylvania |
| 9 | Earl Jr. Smithmeyer | 5 | Son | — | Pennsylvania |
| 10 | Edward Smithmeyer | 2 | Son | — | Pennsylvania |
| 11 | Edward Storm | 63 | Head | Farmer | Pennsylvania |
| 12 | Mary Storm | 55 | Wife | — | Pennsylvania |
| 13 | Ray R. Mcconnell | 47 | Head | — | Pennsylvania |
| 14 | Matilda Mcconnell | 44 | Wife | — | Pennsylvania |
| 15 | Bernard Mcconnell | 22 | Son | Farm Hand | Pennsylvania |
| 16 | Denver Mcconnell | 20 | Son | Farm Hand | Pennsylvania |
| 17 | Ruth Mcconnell | 18 | Daughter | Housekeeper | Pennsylvania |
| 18 | Leroy Mcconnell | 16 | Son | — | Pennsylvania |
| 19 | Patrick Mcconnell | 12 | Son | — | Pennsylvania |
| 20 | Helen Mcconnell | 10 | Daughter | — | Pennsylvania |
| 21 | Alice Mcconnell | 8 | Daughter | — | Pennsylvania |
| 22 | Laverne Mcconnell | 5 | Daughter | — | Pennsylvania |
| 23 | Daniel Mcconnell | 3 | Son | — | Pennsylvania |
| 24 | Rae Mcconnell | 1 | Daughter | — | Pennsylvania |
| 25 | Robert Carroll THIS PERSON | 32 | Head | Machinist | Pennsylvania |
| 26 | Mary Carroll | 28 | Wife | — | Pennsylvania |
| 27 | Mary Catherine Carroll | 7 | Daughter | — | Pennsylvania |
| 28 | George Lawrence Carroll | 7 | Son | — | Pennsylvania |
| 29 | Paul Carroll | 5 | Son | — | Pennsylvania |
| 30 | Jane Carroll | 3 | Daughter | — | Pennsylvania |
| 31 | Margaret Carroll | 2 | Daughter | — | Pennsylvania |
| 32 | Robert Carroll | 0 | Son | — | Pennsylvania |
| 33 | Walter Doughty | 51 | Head | — | Pennsylvania |
| 34 | Agatha Doughty | 21 | Daughter | Housekeeper | Pennsylvania |
| 35 | Leonard Doughty | 18 | Son | — | Pennsylvania |
| 36 | Ester Doughty | 10 | Daughter | — | Pennsylvania |
| 37 | Wilda Doughty | 7 | Daughter | — | Pennsylvania |
| 38 | Sophia B. Grimes | 63 | Head | — | Pennsylvania |
| 39 | Michael Grimes | 35 | Step-son | — | Pennsylvania |
| 40 | Virginia Grimes | 21 | 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)