CW
Carl Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pinellas-County, Florida
Our Model Tree links this Carl Williams across the 1920, 1930 and 1940 US Censuses in Pinellas-County, Florida (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 5-person household.
Age 68
b. ~1872
Male
Head
Born: Connecticut
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pinellas-County, Florida |
| Surname | Williams |
| Given Name | Carl A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | St. Petersburg |
| 1935 Residence (County) | Pinellas |
| Additional Details | |
| Occupation | Physician |
| Industry | Private practice |
| Class of Worker | OA |
| Hours Worked | 4 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Occupation | Physician |
| Township / Ward | St Petersburg |
| Est. Birth Year | ~1872 |
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 Carl | Age | Birth yr |
|---|---|---|---|---|
| Edith Williams | Daughter | — | 29 | ~1911 |
| Carl Williams | Head | — | 68 | ~1872 |
| Mary Keyman | Other | — | 72 | ~1868 |
| E Williams | Spouse | — | 64 | ~1876 |
| Ada Thompson | Other | — | 53 | ~1887 |
Census Appearances
1920
Pinellas, Florida
Head, age 47
Pinellas, Florida · implied b. ~1873 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Carl A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Connecticut |
| Occupation | Physician |
| Industry | Homeopathic |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Year of Naturalization | F |
| Birthplace (normalized) | connecticut |
1930
Pinellas, Florida
Head, age 55
Pinellas, Florida · implied b. ~1875 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Carl A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Age at First Marriage | 25 |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Connecticut |
| Occupation | Physician |
| Industry | Internal Medicine |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 10,000 |
| Radio Set | R |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Pinellas-County, Florida
Head, age 68
Pinellas-County, Florida · implied b. ~1872 — 5 household members
| Surname | Williams |
| Given Name | Carl A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | St. Petersburg |
| 1935 Residence (County) | Pinellas |
| Occupation | Physician |
| Industry | Private practice |
| Class of Worker | OA |
| Hours Worked | 4 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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 Carl Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Carl Williams
Head · 1940 · age 68 · b. ~1872 · Florida
★ 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 — Pinellas-County, Florida
Open full size
1940 US Federal Census — Pinellas-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00610-00697)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Herbert Mccarty | 38 | Head | Proprietor | Kentucky |
| 42 | Thomas E. Bartlett | 46 | Head | Store Owner | Maryland |
| 43 | Letitia B. Bartlett | 47 | Wife | — | Pennsylvania |
| 44 | Mary B. Bartlett | 15 | Daughter | — | Virginia |
| 45 | Frank E. Bartlett | 7 | Son | — | Oklahoma |
| 46 | Evan W. Thomas | 76 | Head | — | Massachusetts |
| 47 | Emily C. Thomas | 74 | Wife | — | Ohio |
| 48 | Robert E. Royall | 51 | Head | Physician | Michigan |
| 49 | Gladys C. Royall | 43 | Wife | — | Ohio |
| 50 | Richard P. Royall | 17 | Son | Laborer | Ohio |
| 51 | Miriam W. Royall | 13 | Daughter | — | Ohio |
| 52 | Flora Z. Gahm | 70 | Mother-in-law | — | Ohio |
| 53 | J. C. Humphrey | 46 | Head | Traffic Manager | Tennessee |
| 54 | Thelma Humphrey | 43 | Wife | — | Tennessee |
| 55 | Sam D. Humphrey | 22 | Son | Mechanic | Tennessee |
| 56 | Jane Humphrey | 19 | Daughter | — | Tennessee |
| 57 | J. C., Jr. Humphrey | 16 | Son | — | Tennessee |
| 58 | Jack Humphrey | 12 | Son | — | Florida |
| 59 | Carl A. Williams THIS PERSON | 68 | Head | Physician | Connecticut |
| 60 | E. Z. Williams | 64 | Wife | — | Connecticut |
| 61 | Edith B. Williams | 29 | Daughter | — | Connecticut |
| 62 | Mary C. Keyman | 72 | Sister-in-law | — | New York |
| 63 | Ada G. Thompson | 53 | Nurse | Nurse | Ohio |
| 64 | Marie Weir | 28 | Head | Teacher | New York |
| 65 | Catherine Fields | 60 | Head | — | Indiana |
| 66 | L. E. Stampton | 53 | Head | Executive | Connecticut |
| 67 | Hazel A. Stampton | 48 | Wife | — | Connecticut |
| 68 | Thelma Knight | 33 | Head | Legal Secretary | Florida |
| 69 | Lucinda Knight | 73 | Mother | — | Georgia |
| 70 | U. G. Clark | 64 | Head | Worker | Michigan |
| 71 | Catherine Clark | 63 | Wife | — | Michigan |
| 72 | Bernard J. Maloney | 40 | Head | Lawyer | Oklahoma |
| 73 | Florence P. Maloney | 34 | Wife | Teacher | Alabama |
| 74 | Bernard J. Iii Maloney | 14 | Son | — | Florida |
| 75 | Ferdinand P. Maloney | 12 | Son | — | Florida |
| 76 | Kirby W. Maloney | 11 | Son | — | Florida |
| 77 | Frank B. Keegan | 52 | Head | Auto Dealer | Alabama |
| 78 | Rae W. Keegan | 43 | Wife | — | New Jersey |
| 79 | Frank B., Jr. Keegan | 12 | Son | — | Florida |
| 80 | William H. Keegan | 9 | Son | — | Alabama |
Related Census Records
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)