JW
John Willis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Florida
Our Model Tree links this John Willis across the 1930 and 1940 US Censuses in Polk-County, Florida (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Male
Son
Born: Florida
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Florida |
| Surname | Willis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Lakeland City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same House |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Township / Ward | Lakeland City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Carrie Willis | Daughter | — | 22 | ~1918 |
| Ludy Willis | Head | — | 50 | ~1890 |
| Ludy Willis | Son | — | 18 | ~1922 |
| John Willis | Son | — | 12 | ~1928 |
| Mcray Willis | Son | — | 23 | ~1917 |
| Maggie Willis | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Polk, Florida
Son, age 4
Polk, Florida · implied b. ~1926 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Willis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Polk-County, Florida
Son, age 12
Polk-County, Florida · implied b. ~1928 — 6 household members
| Surname | Willis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Lakeland City |
| 1935 Residence (County) | Polk |
| Highest Grade | No 3 |
| 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 Willis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Willis
Son · 1940 · age 12 · b. ~1928 · Florida
★ You are viewing this record
Sibling
Carrie Willis
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ludy Willis
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mcray Willis
Sibling · 1940 · age 23
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 — Polk-County, Florida
Open full size
1940 US Federal Census — Polk-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00612-01037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elenor Lee | 15 | Roomer | Maid | Florida |
| 2 | Minnie T. Skinner | 38 | Head | Laundress | Mississippi |
| 3 | Laura Richardson | 28 | Roomer | Cook | Florida |
| 4 | Ben Jones | 57 | Head | Labor | Florida |
| 5 | Clifford Canady | 28 | Step Daughter | Maid | Florida |
| 6 | Mattie Byrd | 36 | Roomer | Maid | Georgia |
| 7 | Robert Sanders | 45 | Head | Brakeman | South Carolina |
| 8 | Alberta Sanders | 39 | Wife | — | Florida |
| 9 | Robert Jr. Sanders | 21 | Son | New Worker | Florida |
| 10 | John Sanders | 19 | Son | — | Florida |
| 11 | Irene Sanders | 17 | Daughter | Student Worker | Florida |
| 12 | Wilbert Sanders | 13 | Son | — | Florida |
| 13 | Lewis C. Sanders | 12 | Son | — | Florida |
| 14 | Donia Sanders | 10 | Daughter | — | Florida |
| 15 | Annie Sanders | 8 | Daughter | — | Florida |
| 16 | George Sanders | 6 | Son | — | Florida |
| 17 | Charles Sanders | 2 | Son | — | Florida |
| 18 | Fannie Jennings | 57 | Head | Cook | Virginia |
| 19 | Odus Thomas | 20 | Lodger | Fry Cook | Florida |
| 20 | Mahala Thomas | 20 | Daughter | Cook | Virginia |
| 21 | Mary Redding | 61 | Head | — | North Carolina |
| 22 | Benjamin Keith | 33 | Roomer | Laborer | South Carolina |
| 23 | Lucella Keith | 25 | Roomer's Wife | — | Georgia |
| 24 | E. F. Robinson | 62 | Head | Barber | North Carolina |
| 25 | Priscilla Robinson | 21 | Wife | — | Florida |
| 26 | Thomas Cheathem | 64 | Head | Laborer | North Carolina |
| 27 | Minnie Cheathem | 38 | Wife | — | Georgia |
| 28 | Ed Jenkins | 50 | Head | Fruit Picker | South Carolina |
| 29 | Helen B. Jenkins | 48 | Wife | Dressmaker | South Carolina |
| 30 | Lula Cooper | 43 | Head | Owner Manager | Florida |
| 31 | Lizza Robinson | 55 | Mother | — | South Carolina |
| 32 | Joseph Baras | 22 | Son | Manager | Florida |
| 33 | Earnestine Baras | 21 | Daughter | — | South Carolina |
| 34 | Leroy Baras | 15 | Son | Laborer | South Carolina |
| 35 | Ludy Willis | 50 | Head | Brakeman | South Carolina |
| 36 | Maggie Willis | 40 | Wife | Laundress | South Carolina |
| 37 | Mcray Willis | 23 | Son | Laborer | Florida |
| 38 | Carrie Willis | 22 | Daughter | — | Florida |
| 39 | Ludy Jr. Willis | 18 | Son | — | Florida |
| 40 | John Willis THIS PERSON | 12 | Son | — | 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)