RJ
Rosa Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Columbia-County, Florida
Our Model Tree links this Rosa Johnson across the 1930 and 1940 US Censuses in Columbia-County, Florida (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Female
Daughter
Born: Florida
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Columbia-County, Florida |
| Surname | Johnson |
| Given Name | Rosa Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | 11 |
| 1935 Residence (County) | Columbia |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Township / Ward | 11 |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Rosa | Age | Birth yr |
|---|---|---|---|---|
| Daisy Johnson | Daughter | — | 5 | ~1935 |
| Rosa Johnson | Daughter | — | 12 | ~1928 |
| Clara Johnson | Daughter | — | 7 | ~1933 |
| Ernie Johnson | Head | — | 34 | ~1906 |
| I Johnson | Son | — | 8 | ~1932 |
| E Johnson | Son | — | 17 | ~1923 |
| Eugene Johnson | Son | — | 11 | ~1929 |
| J Johnson | Son | — | 16 | ~1924 |
| Alonzo Johnson | Son | — | 2 | ~1938 |
| Theodore Johnson | Son | — | 2 | ~1938 |
Census Appearances
1930
Columbia, Florida
Daughter, age 2
Columbia, Florida · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Rosa M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | none |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Columbia-County, Florida
Daughter, age 12
Columbia-County, Florida · implied b. ~1928 — 10 household members
| Surname | Johnson |
| Given Name | Rosa Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | 11 |
| 1935 Residence (County) | Columbia |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 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 Rosa Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Rosa Johnson
Daughter · 1940 · age 12 · b. ~1928 · Florida
★ You are viewing this record
Sibling
Eugene Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daisy Johnson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Johnson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alonzo Johnson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Johnson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
I Johnson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
E Johnson
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 — Columbia-County, Florida
Open full size
1940 US Federal Census — Columbia-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00579-00073)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Abbie Cristian | 35 | Head | Farmer | Florida |
| 42 | Ida Maude Cristian | 33 | Wife | — | Florida |
| 43 | Annie M. Brown | 64 | Head | Farmer | Florida |
| 44 | Cecil J. Roper | 55 | Lodger | Salesman | Florida |
| 45 | Ethyl Roper | 53 | Lodger | — | Pennsylvania |
| 46 | Catherine A. Roper | 21 | Lodger | — | Florida |
| 47 | William Kennington | 76 | Head | Labour | Florida |
| 48 | Queen Kennington | 51 | Wife | — | Florida |
| 49 | Buck Wilson | 66 | Head | Farmer | Florida |
| 50 | Carrie Wilson | 63 | Wife | — | Florida |
| 51 | Bertha Wilson | 31 | Daughter | — | Florida |
| 52 | Cora Jackson | 25 | Daughter | — | Florida |
| 53 | Irvine Wilson | 7 | Granddaughter | — | Florida |
| 54 | Ernie Mae Johnson | 34 | Head | Labour | Florida |
| 55 | E. W. Johnson | 17 | Son | Labour | Florida |
| 56 | J. C. Johnson | 16 | Son | — | Florida |
| 57 | Rosa Mae Johnson THIS PERSON | 12 | Daughter | — | Florida |
| 58 | Eugene Johnson | 11 | Son | — | Florida |
| 59 | I. Lon Johnson | 8 | Son | — | Florida |
| 60 | Clara Johnson | 7 | Daughter | — | Florida |
| 61 | Daisy Lee Johnson | 5 | Daughter | — | Florida |
| 62 | Theodore Johnson | 2 | Son | — | Florida |
| 63 | Alonzo Johnson | 2 | Son | — | Florida |
| 64 | Charlie Knight | 46 | Head | Farmer | Florida |
| 65 | Gladys Knight | 35 | Wife | — | Florida |
| 66 | Charlie Knight | 12 | Son | — | Florida |
| 67 | Minnie Ola Knight | 10 | Daughter | — | Florida |
| 68 | Shirley Jean Knight | 3 | Daughter | — | Florida |
| 69 | Dale Knight | 1 | Son | — | Florida |
| 70 | Neta Cushman | 28 | Head | — | Florida |
| 71 | Frances L. Cushman | 22 | Sister | — | Florida |
| 72 | Jody Cushman | 17 | Brother | Labour | Florida |
| 73 | L. L. Brinkley | 36 | Head | Yard Man | Florida |
| 74 | Grace Brinkley | 34 | Wife | — | Florida |
| 75 | L. L. Jr. Brinkley | 12 | Son | — | Florida |
| 76 | Carolyn Brinkley | 5 | Daughter | — | Florida |
| 77 | Allen Brinkley | 66 | Head | Farmer | Florida |
| 78 | Grace Brinkley | 61 | Wife | — | Florida |
| 79 | Marion Brinkley | 31 | Son | Farmer | Florida |
| 80 | Willie Merle Brinkley | 27 | Daughter | School Teacher | 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)