DC
David Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Florida
Our Model Tree links this David Clark across the 1930 and 1940 US Censuses in Jefferson-County, Florida (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 11-person household.
Age 12
b. ~1928
Male
Son
Born: Florida
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Florida |
| Surname | Clark |
| Given Name | David Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Precinct 9 |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Township / Ward | Precinct 9 |
| Est. Birth Year | ~1928 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Rachel Clark | Daughter | — | 14 | ~1926 |
| David Clark | Son | — | 12 | ~1928 |
| Sallie Clark | Daughter | — | 7 | ~1933 |
| Henry Clark | Son | — | 11 | ~1929 |
| Bill Clark | Spouse | — | 36 | ~1904 |
| Dan Clark | Son | — | 9 | ~1931 |
| Dan Clark | Head | — | 44 | ~1896 |
| Willie Clark | Son | — | 14 | ~1926 |
| Charley Clark | Son | — | 20 | ~1920 |
| Permelia Clark | Daughter | — | 2 | ~1938 |
| Leila Clark | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Jefferson, Florida
Son, age 2
Jefferson, Florida · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | CLARK |
| Given Name | DAVID |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | FLORIDA |
| Father's Birthplace | FLORIDA |
| Mother's Birthplace | FLORIDA |
| Occupation | NONE |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Jefferson-County, Florida
Son, age 12
Jefferson-County, Florida · implied b. ~1928 — 11 household members
| Surname | Clark |
| Given Name | David Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Precinct 9 |
| 1935 Residence (County) | Jefferson |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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 David Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
David Clark
Son · 1940 · age 12 · b. ~1928 · Florida
★ You are viewing this record
Sibling
Leila Clark
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Clark
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Permelia Clark
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Clark
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rachel Clark
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dan Clark
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sallie Clark
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charley Clark
Sibling · 1940 · age 20
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 — Jefferson-County, Florida
Open full size
1940 US Federal Census — Jefferson-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00594-00271)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Laura James | 19 | Wife | — | Florida |
| 42 | Thomas Brooks | 47 | Head | Yardman | Florida |
| 43 | Rebecca Brooks | 42 | Wife | — | Florida |
| 44 | Minnie Brooks | 13 | Daughter | — | Florida |
| 45 | John Brooks | 8 | Son | — | Florida |
| 46 | J. W. Sr. Tipton | 43 | Head | Farmer | Georgia |
| 47 | Sena Tipton | 39 | Wife | — | Georgia |
| 48 | Albert Tipton | 18 | Son | Laborer | Georgia |
| 49 | Robert F. Jones | 24 | Head | Assistant Manager | Georgia |
| 50 | Beatrice D. Jones | 22 | Wife | — | Georgia |
| 51 | Fred O. White | 30 | Head | Laborer | Florida |
| 52 | Endia White | 30 | Wife | — | Florida |
| 53 | Lester D. Green | 26 | Head | Laborer | Florida |
| 54 | Julia Green | 23 | Wife | — | Florida |
| 55 | Roland D. Revera | 21 | Head | Laborer | Florida |
| 56 | Mabelle Revera | 20 | Wife | — | Florida |
| 57 | Frank Revera | 2 | Son | — | Florida |
| 58 | Annie M. Quinton | 37 | Head | Laborer | Florida |
| 59 | Joseph Quinton | 19 | Son | Laborer | Florida |
| 60 | Mary Lee Quinton | 16 | Daughter | Laborer | Florida |
| 61 | Luduvia Wilson | 69 | Mother | — | Florida |
| 62 | Bessie Crawford | 28 | Sister | — | Florida |
| 63 | Ada Bush | 47 | Head | Laborer | Florida |
| 64 | Pink P. Bush | 23 | Son | Laborer | Florida |
| 65 | Ethel Bush | 18 | Dau-in-law | — | Florida |
| 66 | Laura Bush | 16 | Daughter | Laborer | Florida |
| 67 | George Bush | 14 | Grandson | — | Florida |
| 68 | Pink Jr. Bush | 4 | Grandson | — | Florida |
| 69 | Dan D. Clark | 44 | Head | Farmer | Florida |
| 70 | Bill Clark | 36 | Wife | Teacher | Florida |
| 71 | Charley Clark | 20 | Son | — | Florida |
| 72 | Leila Clark | 17 | Daughter | — | Florida |
| 73 | Willie Clark | 14 | Son | — | Florida |
| 74 | Rachel Clark | 14 | Daughter | — | Florida |
| 75 | David Jr. Clark THIS PERSON | 12 | Son | — | Florida |
| 76 | Henry Clark | 11 | Son | — | Florida |
| 77 | Dan Clark | 9 | Son | — | Florida |
| 78 | Sallie Clark | 7 | Daughter | — | Florida |
| 79 | Permelia Clark | 2 | Daughter | — | Florida |
| 80 | Charley D. Clark | 76 | Head | — | Florida |
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)