WC
William Carroll — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cambria-County, Pennsylvania
Our Model Tree links this William Carroll across the 1920, 1930 and 1940 US Censuses in Cambria-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Thomas & Mary — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cambria-County, Pennsylvania |
| Surname | Carroll |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Westmont Borough |
| 1935 Residence (County) | Cambria |
| Additional Details | |
| Occupation | Laborer |
| Industry | Electric Blast Furnace |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1100 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Westmont Borough |
| Est. Birth Year | ~1919 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Agnes Carroll | Daughter | — | 22 | ~1918 |
| Thomas Carroll | Head | — | 56 | ~1884 |
| William Carroll | Son | — | 21 | ~1919 |
| Urban Carroll | Son | — | 12 | ~1928 |
| Mary Carroll | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Cambria, Pennsylvania
Son, age 1
Cambria, Pennsylvania · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Cambria, Pennsylvania
Son, age 11
Cambria, Pennsylvania · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | William T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Cambria-County, Pennsylvania
Son, age 21
Cambria-County, Pennsylvania · implied b. ~1919 — 5 household members
| Surname | Carroll |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Westmont Borough |
| 1935 Residence (County) | Cambria |
| Occupation | Laborer |
| Industry | Electric Blast Furnace |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1100 |
| Highest Grade | H 4 |
| 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 William Carroll across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Carroll (~0.92 confidence) and mother Mary Carroll (~0.92 confidence) and mother Mary Carroll (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Carroll
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Mary Carroll
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Mary Carroll
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Carroll
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Urban Carroll
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Carroll
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-03458-00431)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carrie Elliott | 70 | Mother | — | Delaware |
| 2 | Homer B. Ruffner | 29 | Head | Manager | Pennsylvania |
| 3 | Florence Ruffner | 29 | Wife | — | New York |
| 4 | Barbara A. Ruffner | 1 | Daughter | — | Pennsylvania |
| 5 | Richard Newsome | 32 | Head | Travelling Salesman | Pennsylvania |
| 6 | Barbara E. Newsome | 27 | Wife | — | Pennsylvania |
| 7 | Sandra L. Newsome | 1 | Daughter | — | Pennsylvania |
| 8 | John Rash | 70 | Head | — | Wales |
| 9 | Thomas Carroll | 56 | Head | Machinist | Pennsylvania |
| 10 | Mary Carroll | 53 | Wife | — | Pennsylvania |
| 11 | Agnes Rita Carroll | 22 | Daughter | Operator | Pennsylvania |
| 12 | William Carroll THIS PERSON | 21 | Son | Laborer | Pennsylvania |
| 13 | Urban Carroll | 12 | Son | — | Pennsylvania |
| 14 | Andrew R. Palowitch | 43 | Head | Plumber | Austria |
| 15 | Agnes Palowitch | 42 | Wife | — | Pennsylvania |
| 16 | Janice Palowitch | 14 | Daughter | — | Pennsylvania |
| 17 | Robert Bidelman | 28 | Head | Policeman | Pennsylvania |
| 18 | Wiltrude Bidelman | 25 | Wife | Teacher | Pennsylvania |
| 19 | John P. Jr. Maher | 26 | Head | Repairman | Pennsylvania |
| 20 | Mary Jeanette Maher | 24 | Wife | — | Indiana |
| 21 | Patricia Lee Maher | 2 | Daughter | — | Pennsylvania |
| 22 | Clifford J. James | 39 | Head | Machine Operator | Pennsylvania |
| 23 | Mabel James | 33 | Wife | — | Pennsylvania |
| 24 | Mary Elizabeth James | 7 | Daughter | — | Pennsylvania |
| 25 | Sylvester Clark | 46 | Head | Safety Inspector | Pennsylvania |
| 26 | Gertrude Clark | 47 | Wife | — | Pennsylvania |
| 27 | John H. Ludwig | 54 | Head | Draftsman | Pennsylvania |
| 28 | Glenn Ludwig | 50 | Wife | — | Pennsylvania |
| 29 | Elizabeth Greiner | 35 | Head | Stenographer | New Jersey |
| 30 | William Greiner | 54 | Mother | — | New York |
| 31 | George F. Leigh | 63 | Head | Machinist | Pennsylvania |
| 32 | Lena F. Leigh | 61 | Wife | — | Pennsylvania |
| 33 | William Campbell | 36 | Head | Commercial Traveler | Pennsylvania |
| 34 | Evelyn Campbell | 41 | Wife | — | Pennsylvania |
| 35 | Malcolm Macdougall | 67 | Head | Inspector | Pennsylvania |
| 36 | Mary Macdougall | 67 | Wife | — | Pennsylvania |
| 37 | Jack Watkins | 19 | Head | Laborer | Pennsylvania |
| 38 | Rosina Watkins | 20 | Wife | Stenographer | Pennsylvania |
| 39 | Margaret James | 65 | Head | — | Pennsylvania |
| 40 | Arthur James | 31 | Son | Laborer | Pennsylvania |
Related Census Records
Pedigree Summary
William + 2 siblings
Gen 1 · 3 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)