WC
William Carroll — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this William Carroll across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Edward & Elizabeth — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Carroll |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Phila. |
| 1935 Residence (County) | Phila. |
| Additional Details | |
| Occupation | Chauffer |
| Industry | Taxi Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Chauffer |
| Township / Ward | Phila |
| Est. Birth Year | ~1913 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Rose Carroll | Daughter | — | 2 | ~1938 |
| William Carroll | Head | — | 27 | ~1913 |
| Matilda Carroll | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 6
Philadelphia, Pennsylvania · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Willard B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 16
Philadelphia, Pennsylvania · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Helper |
| Industry | Radio Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Head, age 27
Philadelphia-County, Pennsylvania · implied b. ~1913 — 3 household members
| Surname | Carroll |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Phila. |
| 1935 Residence (County) | Phila. |
| Occupation | Chauffer |
| Industry | Taxi Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| 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 Carroll across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Carroll (~0.92 confidence) and mother Elizabeth Carroll (~0.92 confidence) and mother Katherine Carroll (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Carroll
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Carroll
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Katherine Carroll
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Carroll
Head · 1940 · age 27 · b. ~1913 · 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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-03701-00037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Huldah Elow | 60 | Head | 0 | Pennsylvania |
| 7 | Daniel J. Comer | 55 | Head | 0 | Pennsylvania |
| 8 | Sarah A. Comer | 65 | Sister | 0 | Pennsylvania |
| 9 | Thomas L. Comer | 66 | Nephew | 0 | Pennsylvania |
| 10 | Isabella Patchett | 75 | Head | 0 | England |
| 11 | Charles Klander | 32 | Head | Salesman | Pennsylvania |
| 12 | Mildred Klander | 28 | Wife | 0 | Pennsylvania |
| 13 | Gail Klander | 1 | Daughter | — | Pennsylvania |
| 14 | Daniel Burns | 70 | Lodger | Watchman | Pennsylvania |
| 16 | Arthur Fontana | 27 | Head | Steel Worker | Pennsylvania |
| 17 | Blanche Fontana | 22 | Wife | 0 | Pennsylvania |
| 18 | John F. Mcsparran | 45 | Head | Patrolman | Pennsylvania |
| 19 | Mary A. Mcsparran | 43 | Wife | 0 | Eire |
| 20 | John P. Mcsparran | 18 | Son | New Worker | Pennsylvania |
| 21 | William Carroll THIS PERSON | 27 | Head | Chauffer | Pennsylvania |
| 22 | Matilda Carroll | 29 | Wife | 0 | Pennsylvania |
| 23 | Rose Mary Carroll | 2 | Daughter | — | Pennsylvania |
| 24 | William Miller | 33 | Head | Operator | Pennsylvania |
| 25 | Bertha Miller | 26 | Wife | 0 | Pennsylvania |
| 26 | Agnes Miller | 9 | Daughter | — | Pennsylvania |
| 27 | Florence Miller | 3 | Daughter | — | Pennsylvania |
| 28 | Joseph Miller | 62 | Father | Engraver | Pennsylvania |
| 29 | Peter Caldwell | 68 | Head | Laborer | Pennsylvania |
| 30 | Augusta Caldwell | 74 | Wife | 0 | Sweden |
| 31 | Harold Robbins | 52 | Head | Plumber | Pennsylvania |
| 32 | Ethyl Robbins | 52 | Wife | 0 | Pennsylvania |
| 33 | Charles Painter | 58 | Head | Clerk | Pennsylvania |
| 34 | Nellie T. Painter | 59 | Wife | 0 | Canada |
| 35 | Robert E. Painter | 19 | Son | 0 | Pennsylvania |
| 36 | Harold Lyons | 34 | Head | Clerk | Pennsylvania |
| 37 | Marion Lyons | 31 | Wife | 0 | Pennsylvania |
| 38 | Alice Lyons | 65 | Mother | 0 | Pennsylvania |
| 39 | William Lyons | 32 | Brother | Steel Worker | Pennsylvania |
| 40 | Daniel Barbie | 36 | Head | Trucker | Pennsylvania |
Related Census Records
Pedigree Summary
William
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)