JR
John Riley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Duval-County, Florida
Our Model Tree links this John Riley across the 1920, 1930 and 1940 US Censuses in Duval-County, Florida (XGBoost, ~Confirmed), with identified parents Minnie — first a son (b.~1900), then head of a 3-person household.
Age 40
b. ~1900
Male
Son
Born: Florida
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Duval-County, Florida |
| Surname | Riley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Additional Details | |
| Occupation | Laborer |
| Industry | General Construction |
| Class of Worker | PW |
| Hours Worked | 22 |
| Income (1939) | 968 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Laborer |
| Township / Ward | Jacksonville |
| Est. Birth Year | ~1900 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Minnie Riley | Head | — | 48 | ~1892 |
| Monie Treadwell | Other | — | 62 | ~1878 |
| John Riley | Son | — | 40 | ~1900 |
Census Appearances
1920
Duval, Florida
Other, age 26
Duval, Florida · implied b. ~1894 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | John |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Servant |
| Industry | Restaurant |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Duval, Florida
Son, age 35
Duval, Florida · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Florida |
| Age at First Marriage | 25 |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Labourer |
| Industry | Odd jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Duval-County, Florida
Son, age 40
Duval-County, Florida · implied b. ~1900 — 3 household members
| Surname | Riley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Occupation | Laborer |
| Industry | General Construction |
| Class of Worker | PW |
| Hours Worked | 22 |
| Income (1939) | 968 |
| Highest Grade | No 6 |
| 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 John Riley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Minnie Riley (~0.60 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.6
Mother
Minnie Riley
b. ~1892
Source mother
● Household
· direct · ~0.6
This person
Anchor record
John Riley
Son · 1940 · age 40 · b. ~1900 · 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 — Duval-County, Florida
Open full size
1940 US Federal Census — Duval-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00623-00370)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norman O'Connor | 28 | Nephew | Porter | Florida |
| 42 | Moses T. Simpson | 5 | Nephew | — | Florida |
| 43 | Claude Moore | 38 | Head | Laborer | Georgia |
| 44 | Catherine Moore | 35 | Wife | Maid | Georgia |
| 45 | Delmart Moore | 10 | Son | — | Florida |
| 46 | Ora Baker | 38 | Sister | Maid | Georgia |
| 47 | Freddie Thompson | 14 | Nephew | — | Florida |
| 48 | Minnie Riley | 48 | Head | — | Florida |
| 49 | John Riley THIS PERSON | 40 | Son | Laborer | Florida |
| 50 | Monie Treadwell | 62 | Sister | — | Florida |
| 51 | Sadie Mosley | 46 | Head | — | Florida |
| 52 | Leroy Mosley | 19 | Son | — | Georgia |
| 53 | Rosa L. Mosley | 16 | Daughter | — | Georgia |
| 54 | Lula B. Norwood | 38 | Head | Sales Clerk | Georgia |
| 55 | George Bell | 25 | Son-in-law | Laborer | Florida |
| 56 | Bertha L. Bell | 24 | Daughter | — | Georgia |
| 57 | Lula M. Bell | 8 | Daughter | — | Florida |
| 58 | Webster Bell | 15 | Lodger | — | Florida |
| 59 | Othelene Bell | 13 | Lodger | — | Florida |
| 60 | Julia Bell | 27 | Head | Cook | Florida |
| 61 | Ruby Bell | 7 | Daughter | — | Florida |
| 62 | Charity Bell | 5 | Daughter | — | Florida |
| 63 | Gladys Bell | 4 | Daughter | — | Florida |
| 64 | Julia E. Bell | 2 | Daughter | — | Florida |
| 65 | Sherrie Bell | 1 | Daughter | — | Florida |
| 66 | Marie Farley | 50 | Lodger | Maid | Georgia |
| 67 | Jerry Cochran | 8 | Head | Cook | Alabama |
| 68 | Nereida Cochran | 46 | Wife | — | Georgia |
| 69 | John Green | 40 | Head | Orderly | Georgia |
| 70 | Mattie Green | 72 | Mother | — | Georgia |
| 71 | Tom Green | 34 | Brother | Waiter | Georgia |
| 72 | Loman Mathews | 33 | Head | Truck Driver | Georgia |
| 73 | Annie Mathews | 35 | Wife | — | Georgia |
| 74 | Ace B. Mathews | 20 | Daughter | Curb Girl | Georgia |
| 75 | Webber Braddock | 27 | Lodger | Truck Driver | Georgia |
| 76 | Reese Williams | 40 | Brother-in-law | Maid | Georgia |
| 77 | Albert Williams | 26 | Nephew | Clerk | Georgia |
| 78 | Dorthy Green | 16 | Sister | — | Florida |
| 79 | Sura Martin | 25 | Head | Tobacco Stripper | Georgia |
| 80 | Helen M. Martin | 8 | Daughter | — | Georgia |
Pedigree Summary
John
Gen 1 · 1 parents
~0.6
Max depth 4 (1900–1950 window)
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)