CJ
Clarence Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Florida
Our Model Tree links this Clarence Jackson across the 1930 and 1940 US Censuses in Marion-County, Florida (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 12-person household.
Age 19
b. ~1921
Male
Son
Born: Florida
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Florida |
| Surname | Jackson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Precinct 29 |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 888 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Farm Laborer |
| Township / Ward | Precinct 29 |
| Est. Birth Year | ~1921 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| James Jackson | Son | — | ~1940 | |
| Gwendolyn Jackson | Daughter | — | 2 | ~1938 |
| Ernest Jackson | Head | — | 43 | ~1897 |
| Levi Jackson | Son | — | 17 | ~1923 |
| Hubert Jackson | Son | — | 8 | ~1932 |
| Norma Jackson | Daughter | — | 18 | ~1922 |
| Ernest Jackson | Son | — | 15 | ~1925 |
| Beatrice Jackson | Spouse | — | 37 | ~1903 |
| Nadine Jackson | Daughter | — | 6 | ~1934 |
| Clarence Jackson | Son | — | 19 | ~1921 |
| Almona Jackson | Son | — | 16 | ~1924 |
| Marion Jackson | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Marion, Florida
Son, age 9
Marion, Florida · implied b. ~1921 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Florida |
| Age at First Marriage | 9 |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Marion-County, Florida
Son, age 19
Marion-County, Florida · implied b. ~1921 — 12 household members
| Surname | Jackson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Precinct 29 |
| 1935 Residence (County) | Marion |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 888 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| 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 Clarence Jackson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Clarence Jackson
Son · 1940 · age 19 · b. ~1921 · Florida
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Sibling
James Jackson
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Jackson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hubert Jackson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gwendolyn Jackson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nadine Jackson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Jackson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norma Jackson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Almona Jackson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Levi Jackson
Sibling · 1940 · age 17
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 — Marion-County, Florida
Open full size
1940 US Federal Census — Marion-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00600-00880)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gillette Jones | 45 | Head | Farmer | Florida |
| 42 | Susie Jones | 43 | Wife | — | Florida |
| 43 | Richard Jones | 25 | Son | Farm Laborer | Florida |
| 44 | David B. Jones | 66 | Head | Farmer | Florida |
| 45 | Rachel Jones | 55 | Wife | — | Florida |
| 46 | Henry Tucker | 35 | Head | Picking Oranges | Florida |
| 47 | Annabella Tucker | 30 | Wife | — | Florida |
| 48 | Lester Tucker | 14 | Son | — | Florida |
| 49 | John W. Nisler | 48 | Head | Carpenter | Florida |
| 50 | Cecil Nisler | 18 | Son | — | Florida |
| 51 | Daniel Nisler | 17 | Son | — | Florida |
| 52 | Virginia Nisler | 15 | Daughter | — | Florida |
| 53 | John W. Jr. Nisler | 13 | Son | — | Florida |
| 54 | William Jackson | 50 | Head | Farmer | Florida |
| 55 | Gertrude Jackson | 50 | Wife | — | Florida |
| 56 | Lettie Lee Jackson | 18 | Daughter | — | Florida |
| 57 | Lillian Jackson | 12 | Daughter | — | Florida |
| 58 | Ernest Jackson | 43 | Head | Farmer | Florida |
| 59 | Beatrice Jackson | 37 | Wife | — | Florida |
| 60 | Clarence Jackson THIS PERSON | 19 | Son | Farm Laborer | Florida |
| 61 | Norma Jackson | 18 | Daughter | Farm Laborer | Florida |
| 62 | Levi Jackson | 17 | Son | Farm Laborer | Florida |
| 63 | Almona Jackson | 16 | Son | — | Florida |
| 64 | Ernest Jr. Jackson | 15 | Son | — | Florida |
| 65 | Marion Jackson | 10 | Daughter | — | Florida |
| 66 | Hubert Jackson | 8 | Son | — | Florida |
| 67 | Nadine Jackson | 6 | Daughter | — | Florida |
| 68 | Gwendolyn Jackson | 2 | Daughter | — | Florida |
| 69 | James Harold Jackson | 0 | Son | — | Florida |
| 70 | Edward Jones | 50 | Head | Farmer | Florida |
| 71 | Johanna Jones | 38 | Wife | — | Florida |
| 72 | Emily Bell Jones | 18 | Daughter | Farm Laborer | Florida |
| 73 | Edward Jones | 17 | Son | Farm Laborer | Florida |
| 74 | Carnell Jones | 15 | Son | — | Florida |
| 75 | Zora Lee Jones | 13 | Daughter | — | Florida |
| 76 | Raymond Jones | 11 | Son | — | Florida |
| 77 | Queen Esther Jones | 10 | Daughter | — | Florida |
| 78 | C. J. Jones | 9 | Son | — | Florida |
| 79 | David Jones | 37 | Head | Farm Laborer | Florida |
| 80 | Josephine Jones | 37 | Wife | — | Florida |
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)