MJ
Melvin Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Putnam-County, Florida
Our Model Tree links this Melvin Johnson across the 1920, 1930 and 1940 US Censuses in Putnam-County, Florida (XGBoost, ~Confirmed), with identified parents Mary & Fletcher — first a son (b.~1904), then head of a 10-person household.
Age 36
b. ~1904
Male
Son
Born: Florida
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Putnam-County, Florida |
| Surname | Johnson |
| Given Name | Melvin E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | N |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Precinct 17 |
| 1935 Residence (County) | Putnam |
| Additional Details | |
| Occupation | Dredge boat operator |
| Industry | Kaolin Mine |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 200 |
| Highest Grade | No 7 |
| 1935 Residence | Florida |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Dredge Boat Operator |
| Township / Ward | Precinct 17 |
| Est. Birth Year | ~1904 |
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 Melvin | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Johnson | Daughter | — | 33 | ~1907 |
| Fletcher Johnson | Head | — | 60 | ~1880 |
| Annie Hill | Other | — | 17 | ~1923 |
| Emma Thomas | Other | — | 90 | ~1850 |
| Ruth Johnson | Other | — | 29 | ~1911 |
| Thelma Hill | Other | — | 11 | ~1929 |
| Beverly Johnson | Other | — | 9 | ~1931 |
| Fred Johnson | Son | — | 38 | ~1902 |
| Melvin Johnson | Son | — | 36 | ~1904 |
| Mary Johnson | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Putnam, Florida
Son, age 16
Putnam, Florida · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Melbourne |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Georgia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Putnam, Florida
Son, age 26
Putnam, Florida · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Melbourne |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Florida |
| Age at First Marriage | 20 |
| Father's Birthplace | Florida |
| Mother's Birthplace | Georgia |
| Occupation | Laborer |
| Industry | Truck Driver |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Putnam-County, Florida
Son, age 36
Putnam-County, Florida · implied b. ~1904 — 10 household members
| Surname | Johnson |
| Given Name | Melvin E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | N |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Precinct 17 |
| 1935 Residence (County) | Putnam |
| Occupation | Dredge boat operator |
| Industry | Kaolin Mine |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 200 |
| Highest Grade | No 7 |
| 1935 Residence | Florida |
| 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 Melvin Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Johnson (~0.80 confidence) and father Fletcher Johnson (~0.92 confidence) and father Fletcher Johnson (~0.92 confidence) and father S Johnson (~0.92 confidence) and mother Mary Johnson (~0.92 confidence) and mother Mary Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.9
Mother
Mary Johnson
b. ~None
Source mother
● Household
· direct · ~0.8
Father
Fletcher Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Fletcher Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
S Johnson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Mary Johnson
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Mary Johnson
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Melvin Johnson
Son · 1940 · age 36 · b. ~1904 · Florida
★ You are viewing this record
Sibling
Fred Johnson
Sibling · 1940 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Johnson
Sibling · 1940 · age 33
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 — Putnam-County, Florida
Open full size
1940 US Federal Census — Putnam-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00615-00487)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Pearly D Jenkins | 54 | Head | — | Florida |
| 2 | Addie Jenkins | 45 | Wife | — | Florida |
| 3 | O. L. Wilson | 3 | Grandson | — | Florida |
| 4 | Leroy Mullins | 28 | Head | Teacher | Florida |
| 5 | Artemia M Mullins | 29 | Wife | — | Florida |
| 6 | Ellen R. Mullins | 9 | Daughter | — | Florida |
| 7 | Meltonia Mullins | 4 | Daughter | — | — |
| 8 | Meldonia Mullins | 4 | Daughter | — | — |
| 9 | Viapia Mullins | 2 | Daughter | — | — |
| 10 | Willia Rosetti | 45 | Head | — | Florida |
| 11 | Nellie White | 50 | Daughter | — | Florida |
| 12 | James Thomas | 49 | Head | — | Florida |
| 13 | Ruby V Thomas | 30 | Wife | — | Florida |
| 14 | Parthenia A. Thomas | 14 | Daughter | — | Florida |
| 15 | James Jr. Thomas | 6 | Son | — | — |
| 16 | Fletcher W Johnson | 60 | Head | Farmer | Florida |
| 17 | Mary E. Johnson | 57 | Wife | Teacher | Florida |
| 18 | Melvin E Johnson THIS PERSON | 36 | Son | Dredge Boat Operator | Florida |
| 19 | Gertrude H Johnson | 33 | Daughter | Teacher | Florida |
| 20 | Thelma Hill | 11 | Lodger | — | Florida |
| 21 | Annie J Hill | 17 | Lodger | — | Florida |
| 22 | Fred W Johnson | 38 | Son | Teacher | Florida |
| 23 | Ruth K. Johnson | 29 | Daughter-in-law | — | Florida |
| 24 | Beverly F Johnson | 9 | Granddaughter | — | Florida |
| 25 | Emma Thomas | 90 | Mother-in-law | — | — |
| 26 | William Johnson | 34 | Head | Labour | Florida |
| 27 | Bertha Johnson | 27 | Wife | — | Florida |
| 28 | Ernestine Johnson | 10 | Daughter | — | Florida |
| 29 | Willie Johnson | 8 | Son | — | Florida |
| 30 | Lorenzo Johnson | 7 | Son | — | Florida |
| 31 | Hilliard Johnson | 5 | Son | — | Florida |
| 32 | Hayward Johnson | 3 | Son | — | Florida |
| 33 | Delois Johnson | 1 | Daughter | — | Florida |
| 34 | Dock Thomas | 57 | Head | Labour | Florida |
| 35 | Dora Johnson | 62 | Sister | Servant | Florida |
| 36 | Percy Monroe | 9 | Nephew | — | Florida |
| 37 | Henry L. Jenkins | 28 | Head | General Helper | Florida |
| 38 | Ruth M. Jenkins | 22 | Wife | — | Florida |
| 39 | Ed Jenkins | 60 | Head | 40 | — |
| 40 | Ed Jr. Jenkins | 23 | Son | 16 | — |
Pedigree Summary
Melvin + 2 siblings
Gen 1 · 6 parents
~0.9
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)