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William Carroll — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this William Carroll across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a head (b.~1901), then head of a 3-person household.
Age 39
b. ~1901
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Carroll |
| Given Name | William O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Superintendent |
| Industry | Motor Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 5000 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Superintendent |
| Township / Ward | Birmingham |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Joyce Carroll | Daughter | — | 15 | ~1925 |
| William Carroll | Head | — | 39 | ~1901 |
| Florence Carroll | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Jefferson, Alabama
Other, age 17
Jefferson, Alabama · implied b. ~1903 — 22 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Willie |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Laborer |
| Industry | Brick Yard |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Other, age 28
Jefferson, Alabama · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carrall |
| Given Name | William |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 21 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Head, age 39
Jefferson-County, Alabama · implied b. ~1901 — 3 household members
| Surname | Carroll |
| Given Name | William O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Occupation | Superintendent |
| Industry | Motor Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 5000 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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.
Show:
This person
Anchor record
William Carroll
Head · 1940 · age 39 · b. ~1901 · Alabama
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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 — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00094-00508)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lucy Emmet | 37 | Head | — | Tennessee |
| 42 | William O. Carroll THIS PERSON | 39 | Head | Superintendent | Alabama |
| 43 | Florence Carroll | 34 | Wife | — | Alabama |
| 44 | Joyce A. Carroll | 15 | Daughter | — | Alabama |
| 45 | Lula Mae Tunnell | 57 | Head | Bookkeeper | Alabama |
| 46 | Norman E. Matchick | 29 | Head | Electrician | Alabama |
| 47 | Dorothy F. Matchick | 26 | Wife | — | Alabama |
| 48 | William J. Simmons | 39 | Head | Auditor | Alabama |
| 49 | Sarah S. Simmons | 33 | Wife | Bookkeeper | Kentucky |
| 50 | William T. Visscher|Visschen | 28 | Head | Assistant Manager | Alabama |
| 51 | Margaret Visscher|Visschen | 24 | Wife | — | Alabama |
| 52 | James A. Schuler | 27 | Head | Sales Engineer | Ohio |
| 53 | Helen Jean Schuler | 23 | Wife | — | Florida |
| 54 | — | None | — | — | — |
| 55 | Elizabeth Dalrymple | 38 | Head | Secretary | Mississippi |
| 56 | Russell A. Pankow | 37 | Head | Manager | Tennessee |
| 57 | Crystal Anne Pankow | 33 | Wife | — | Alabama |
| 58 | Ida E. Taddy | 36 | Head | Teacher | Alabama |
| 59 | James E. Winslow | 35 | Head | Manager | Georgia |
| 60 | Sara Winslow | 32 | Wife | — | Georgia |
| 61 | Will C. Matthew | 31 | Head | Master Mechanic | New Mexico |
| 62 | Edwina Matthew | 30 | Wife | — | Texas |
| 63 | Virginia Anne Matthew | 1 | Daughter | — | Texas |
| 64 | John H. 3Rd League | 26 | Head | Clerk | Tennessee |
| 65 | Sara League | 23 | Wife | Bookkeeper | Alabama |
| 66 | Charles W. Heer | 42 | Head | Lawyer | Alabama |
| 67 | Josephine Heer | 35 | Wife | — | Alabama |
| 68 | Harry H. K. Jefferson | 60 | Head | Economist | Iowa |
| 69 | Willie Virginia Jefferson | 59 | Wife | — | Alabama |
| 70 | Elbridge E. Hydinger | 61 | Head | Broker | Tennessee |
| 71 | Ida Hydinger | 60 | Wife | — | Mississippi |
| 72 | Verna Dyson | 35 | Daughter | — | Alabama |
| 73 | Elbridge H. Dyson | 11 | Grandson | — | North Carolina |
| 74 | Mary Dyson | 9 | Granddaughter | — | Alabama |
| 75 | Alfred Dyson | 8 | Grandson | — | Alabama |
| 76 | Betty Dyson | 5 | Granddaughter | — | California |
| 77 | Richard H. Scrivner | 52 | Head | Lawyer | Alabama |
| 78 | Lucile Scrivner | 44 | Wife | — | Alabama |
| 79 | Lucile Scrivner | 22 | Daughter | Teacher | Alabama |
| 80 | — | None | — | — | — |
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)