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John Cannon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Gadsden-County, Florida
Our Model Tree links this John Cannon across the 1920, 1930 and 1940 US Censuses in Gadsden-County, Florida (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 6-person household.
Age 68
b. ~1872
Male
Head
Born: Florida
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Gadsden-County, Florida |
| Surname | Cannon |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Havana Prec 6 |
| 1935 Residence (County) | Gadsden |
| Additional Details | |
| Occupation | Farmer |
| Industry | on farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Farmer |
| Township / Ward | Havana Prec 6 |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Cannon | Son | — | 29 | ~1911 |
| Edith Cannon | Daughter | — | 17 | ~1923 |
| Frank Cannon | Son | — | 24 | ~1916 |
| Margaret Cannon | Spouse | — | 61 | ~1879 |
| Clyden Cannon | Son | — | 20 | ~1920 |
| John Cannon | Head | — | 68 | ~1872 |
Census Appearances
1920
Gadsden, Florida
Head, age 48
Gadsden, Florida · implied b. ~1872 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cannon |
| Given Name | John O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Gadsden, Florida
Head, age 58
Gadsden, Florida · implied b. ~1872 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cannon |
| Given Name | John C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Florida |
| Age at First Marriage | 28 |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Gadsden-County, Florida
Head, age 68
Gadsden-County, Florida · implied b. ~1872 — 6 household members
| Surname | Cannon |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Havana Prec 6 |
| 1935 Residence (County) | Gadsden |
| Occupation | Farmer |
| Industry | on farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 John Cannon across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Cannon
Head · 1940 · age 68 · b. ~1872 · Florida
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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 — Gadsden-County, Florida
Open full size
1940 US Federal Census — Gadsden-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00587-00647)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alvin Tharp | 20 | Son | Laborer On Farm | Florida |
| 2 | Milton Tharp | 18 | Son | — | Florida |
| 3 | Alfred Tharp | 11 | Son | — | Florida |
| 4 | John H. Cannon THIS PERSON | 68 | Head | Farmer | Florida |
| 5 | Margaret Cannon | 61 | Wife | — | Florida |
| 6 | John Cannon | 29 | Son | Assistant Clerk | Florida |
| 7 | Frank Cannon | 24 | Son | Complimenter? | Florida |
| 8 | Clyden Cannon | 20 | Son | Farm Labor | Florida |
| 9 | Edith Cannon | 17 | Daughter | Laborer | Florida |
| 10 | Oliver Williams | 44 | Head | Farmer | Florida |
| 11 | Stella Williams | 44 | Wife | — | Alabama |
| 12 | Nolion Williams | 15 | Son | — | Florida |
| 13 | Oliver Jr. Williams | 11 | Son | — | Florida |
| 14 | George Brown | 30 | Head | Farmer | Florida |
| 15 | Florence Brown | 26 | Wife | — | Florida |
| 16 | Gus Isaac | 56 | Head | Farmer | Florida |
| 17 | Rebecca Isaac | 47 | Wife | — | Florida |
| 18 | Jonas Isaac | 23 | Son | Farm Labor | Florida |
| 19 | Richard Isaac | 19 | Son | — | Florida |
| 20 | Reginal Isaac | 18 | Son | Farm Labor | Florida |
| 21 | Gus Jr. Isaac | 17 | Son | Farm Labor | Florida |
| 22 | Beulah Isaac | 16 | Daughter | Farm Labor | Florida |
| 23 | Lessie M. Isaac | 14 | Daughter | — | Florida |
| 24 | Samuel Isaac | 13 | Son | — | Florida |
| 25 | Cullen Isaac | 11 | Son | — | Florida |
| 26 | Audry E. Isaac | 9 | Daughter | — | Florida |
| 27 | Kenneth Isaac | 4 | Son | — | Florida |
| 28 | Charles Ferguson | 50 | Head | Farmer | Florida |
| 29 | Tiness Ferguson | 17 | Daughter | — | Florida |
| 30 | Ida Mae Ferguson | 16 | Daughter | Farm Labor | Florida |
| 31 | David Ferguson | 15 | Son | Farm Labor | Florida |
| 32 | Ruby L. Ferguson | 14 | Daughter | — | Florida |
| 33 | Dean Sarah L. Ferguson | 7 | Granddaughter | — | Florida |
| 34 | James Kelly | 42 | Head | Superintendent | Florida |
| 35 | Melissa Kelly | 43 | Wife | — | Florida |
| 36 | Clifford Kelly | 22 | Son | — | Florida |
| 37 | James Jr. Kelly | 17 | Son | — | Florida |
| 38 | Estelle Kelly | 15 | Daughter | — | Florida |
| 39 | Sherod Kelly | 12 | Son | — | Florida |
| 40 | Hazel Robinson | 63 | Head | Farm Labor | 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)