MJ
Marvin Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Leon-County, Florida
Our Model Tree links this Marvin Johnson across the 1920, 1930 and 1940 US Censuses in Leon-County, Florida (XGBoost, ~Confirmed), with identified parents Woodie & Woody — first a head (b.~1909), then head of a 8-person household.
Age 31
b. ~1909
Male
Head
Born: Florida
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Leon-County, Florida |
| Surname | Johnson |
| Given Name | Marvin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Tallahassee |
| 1935 Residence (County) | Leon |
| Additional Details | |
| Occupation | Manager |
| Industry | Grocery Store |
| Class of Worker | E |
| Hours Worked | 80 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Manager |
| Township / Ward | Tallahassee |
| Est. Birth Year | ~1909 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marvin | Age | Birth yr |
|---|---|---|---|---|
| Marvin Johnson | Son | — | 7 | ~1933 |
| Violet Johnson | Spouse | — | 30 | ~1910 |
| Margaret Johnson | Daughter | — | 5 | ~1935 |
| Marvin Johnson | Head | — | 31 | ~1909 |
| Robert Johnson | Son | — | 1 | ~1939 |
| Evelyn Johnson | Other | — | 12 | ~1928 |
| Mack Johnson | Other | — | 15 | ~1925 |
| Malcolm Johnson | Son | — | 3 | ~1937 |
Census Appearances
1920
Leon, Florida
Son, age 11
Leon, Florida · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Leon, Florida
Son, age 21
Leon, Florida · implied b. ~1909 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Georgia |
| Occupation | Clerk |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Leon-County, Florida
Head, age 31
Leon-County, Florida · implied b. ~1909 — 8 household members
| Surname | Johnson |
| Given Name | Marvin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Tallahassee |
| 1935 Residence (County) | Leon |
| Occupation | Manager |
| Industry | Grocery Store |
| Class of Worker | E |
| Hours Worked | 80 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 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 Marvin Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Woodie Johnson (~0.92 confidence) and father Woody Johnson (~0.92 confidence) and mother Allene Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Woodie Johnson
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Woody Johnson
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Allene Johnson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Marvin Johnson
Head · 1940 · age 31 · b. ~1909 · 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 — Leon-County, Florida
Open full size
1940 US Federal Census — Leon-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00597-00055)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marvin Johnson THIS PERSON | 31 | Head | Manager | Florida |
| 2 | Violet Johnson | 30 | Wife | Clerk | Nebraska |
| 3 | Marvin Jr. Johnson | 7 | Son | — | Florida |
| 4 | Margaret V. Johnson | 5 | Daughter | — | Florida |
| 5 | Malcolm H. Johnson | 3 | Son | — | Florida |
| 6 | Robert W. Johnson | 1 | Son | — | Florida |
| 7 | Evelyn Johnson | 12 | Sister | — | Florida |
| 8 | Mack Johnson | 15 | Brother | — | Florida |
| 9 | Gerald Simons | 27 | Head | Bread Wrapper | Alabama |
| 10 | Lilla Simons | 21 | Wife | Waitress | Florida |
| 11 | G. E. Jr. Edgerton | 26 | Head | Time Keeper | Florida |
| 12 | Elma Edgerton | 24 | Wife | — | Georgia |
| 13 | Rufus Reel | 21 | Brother-in-law | — | Georgia |
| 14 | — | None | — | — | — |
| 15 | Ross Melody | 37 | Head | Barber | Georgia |
| 16 | Myrtle Melody | 33 | Wife | — | Georgia |
| 17 | Leona Melody | 15 | Daughter | — | Georgia |
| 18 | Maude Evelyn Melody | 13 | Daughter | — | Georgia |
| 19 | Betty Jean Melody | 11 | Daughter | — | Florida |
| 20 | R. B. Strickland | 43 | Head | Owner | Florida |
| 21 | Allie Strickland | 39 | Wife | Helper | Florida |
| 22 | Stella Strickland | 18 | Daughter | — | Florida |
| 23 | Doris Strickland | 6 | Daughter | — | Florida |
| 24 | — | None | — | — | — |
| 25 | G. E. Edgerton | 80 | Head | — | South Carolina |
| 26 | Julia Edgerton | 55 | Wife | — | Florida |
| 27 | John Lauman | 31 | Head | Salesman | Florida |
| 28 | Margaret Lauman | 25 | Wife | — | Florida |
| 29 | Cynthia Lauman | 5 | Daughter | — | Florida |
| 30 | Pascal L. Braswell | 32 | Head | Owner | Florida |
| 31 | Cleo Braswell | 26 | Wife | — | Florida |
| 32 | Doris Braswell | 6 | Daughter | — | Florida |
| 33 | Iris Braswell | 4 | Daughter | — | Florida |
| 34 | Fred Brock | 31 | Head | Mechanic | Georgia |
| 35 | Nadine Brock | 29 | Wife | — | Georgia |
| 36 | Harold Brock | 10 | Son | — | Georgia |
| 37 | Don Brock | 8 | Son | — | Georgia |
| 38 | Gail Brock | 4 | Son | — | Georgia |
| 39 | Clifton Williams | 34 | Head | Tractor Driver | Florida |
| 40 | Elma Williams | 33 | Wife | — | Florida |
Pedigree Summary
Marvin
Gen 1 · 3 parents
~0.92
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)