JP
John Porter — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Duval, Florida
Our Model Tree links this John Porter across the 1930 and 1940 US Censuses in Duval, Florida (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 10-person household.
Age 10
b. ~1920
Male
Son
Born: Florida
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Duval, Florida |
| Surname | Porter |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Township / Ward | Jacksonville City |
| Est. Birth Year | ~1920 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Agnes Porter | Daughter | — | 9 | ~1921 |
| Alma Porter | Daughter | — | 7 | ~1923 |
| Kathryn Porter | Daughter | — | 4 | ~1926 |
| Ella Porter | Daughter | — | 12 | ~1918 |
| Omar Porter | Head | — | 37 | ~1893 |
| Richard West | Other | — | 35 | ~1895 |
| Asbell West | Other | — | 30 | ~1900 |
| Amos Porter | Son | — | 13 | ~1917 |
| John Porter | Son | — | 10 | ~1920 |
| Carrie Porter | Spouse | — | 32 | ~1898 |
Census Appearances
1930
Duval, Florida
Son, age 10
Duval, Florida · implied b. ~1920 — 10 household members
| Surname | Porter |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Duval-County, Florida
Head, age 20
Duval-County, Florida · implied b. ~1920 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Portier |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Fitzgerald |
| 1935 Residence (County) | Georgia |
| Occupation | Clerk |
| Industry | Retail Groc. Store |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 240 |
| Highest Grade | Hs 2 |
| 1935 Residence | Georgia |
| 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 Porter across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Porter
Son · 1930 · age 10 · b. ~1920 · Florida
★ You are viewing this record
Sibling
Ella Porter
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Porter
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alma Porter
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Porter
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amos Porter
Sibling · 1930 · age 13
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
1930 US Federal Census — Duval, Florida
Open full size
1930 US Federal Census — Duval, Florida
Page Contents
50 people indexed on this census page (ia:1930:15thcensus314unit:0785)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Addie Calloway | 25 | Head | Servant | Florida |
| 2 | Jefferson Anderson Calloway | 32 | Roomer | Stock Lumber | Georgia |
| 3 | Woodrow Calloway | 20 | Roomer | Farm Laborer | Georgia |
| 4 | Yarbrough Calloway | 21 | Roomer | Stock Lumber | Georgia |
| 5 | William M Whaley | 55 | Head | Oiler | South Carolina |
| 6 | Annie E Whaley | 40 | Wife | Laundress | South Carolina |
| 7 | Florence G Whaley | 20 | Daughter | None | South Carolina |
| 8 | Moses P Whaley | 18 | Step son | None | South Carolina |
| 9 | Mattie Battle | 43 | Head | Laundress | Georgia |
| 10 | Ethel Battle | 17 | Niece | Cuts Fruit | Florida |
| 11 | Ruby Battle | 14 | Niece | None | Florida |
| 12 | Omar Porter | 37 | Head | Boilermaker Helper | Georgia |
| 13 | Carrie B Porter | 32 | Wife | None | Georgia |
| 14 | Amos B Porter | 13 | Son | None | Georgia |
| 15 | Ella L Porter | 12 | Daughter | None | Florida |
| 16 | John R Porter THIS PERSON | 10 | Son | None | Florida |
| 17 | Agnes M Porter | 9 | Daughter | None | Florida |
| 18 | Alma G Porter | 7 | Daughter | None | Florida |
| 19 | Kathryn L Porter | 4 | Daughter | None | Florida |
| 20 | Richard West | 35 | Brother in law | Laborer | Georgia |
| 21 | Asbell West | 30 | Sister in law | Pantry Girl | Georgia |
| 22 | John Graham | 47 | Head | Yard Man | Georgia |
| 23 | Ida Graham | 48 | Wife | None | Georgia |
| 24 | Augusta Graham | 7 | Daughter | None | Georgia |
| 25 | James Waters | 27 | Head | Drives Truck | Florida |
| 26 | Annabelle Waters | 42 | Wife | Laundress | Louisiana |
| 27 | Harold Moore | 42 | Head | Laborer | Georgia |
| 28 | Elnora Moore | 24 | Wife | None | Georgia |
| 29 | Stewart Mcgriff | 2 | Step son | None | Alabama |
| 30 | Oliver Brown | 22 | Brother in law | Automobile Mechanic | South Carolina |
| 31 | Alice Brown | 23 | Sister in law | Laundress | South Carolina |
| 32 | Mack Spann | 23 | Head | Shipping Clerk | Georgia |
| 33 | Verna Spann | 22 | Wife | None | Georgia |
| 34 | Juanita Spann | 0 | Daughter | None | Georgia |
| 35 | Florence Robinson | 48 | Head | None | Florida |
| 36 | Jack B Robinson | 10 | Son | None | Nebraska |
| 37 | Almerca Lawson | 24 | Daughter | Servant | Nebraska |
| 38 | Lucille Lawson | 21 | Daughter | Servant | Nebraska |
| 39 | Mattie Thornton | 16 | Daughter | None | Nebraska |
| 40 | Ruth Anne Owens | 1 | Granddaughter | None | Nebraska |
| 41 | Donald Owens | 0 | Grandson | None | Nebraska |
| 42 | James Rawson | 22 | Boarder | None | Florida |
| 43 | Cleamon Thornton | 25 | Son in law | Laborer | New Jersey |
| 44 | Eliza Summons | 77 | Mother | None | Florida |
| 45 | John Hilton | 24 | Head | Deckhand | Georgia |
| 46 | Carrie Hilton | 22 | Wife | None | Georgia |
| 47 | Henry H Lee | 32 | Head | Laborer | Georgia |
| 48 | Maggie Lee | 22 | Wife | None | Florida |
| 49 | Gobe Mccloud | 45 | Roomer | Section Hand | Georgia |
| 50 | Willie Smith | 29 | Head | Section Hand | Georgia |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)