MJ
Melvin Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Swift-County, Minnesota
Our Model Tree links this Melvin Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Swift-County, Minnesota (XGBoost, ~Confirmed), with identified parents Alfred & Alfred — first a head (b.~1903), then head of a 4-person household.
Age 37
b. ~1903
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Swift-County, Minnesota |
| Surname | Johnson |
| Given Name | Melvin G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Swift |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farmer |
| Township / Ward | Torning Township |
| Est. Birth Year | ~1903 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Melvin | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Johnson | Daughter | — | 11 | ~1929 |
| Melvin Johnson | Head | — | 37 | ~1903 |
| Ray Johnson | Son | — | 5 | ~1935 |
| Mabel Johnson | Spouse | — | 35 | ~1905 |
Census Appearances
1910
Swift, Minnesota
Son, age 7
Swift, Minnesota · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Melvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Swift, Minnesota
Son, age 17
Swift, Minnesota · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Melvin G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Swift, Minnesota
Head, age 27
Swift, Minnesota · implied b. ~1903
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Johnson |
| Given Name | Melvin J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 24 |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Swift-County, Minnesota
Head, age 37
Swift-County, Minnesota · implied b. ~1903 — 4 household members
| Surname | Johnson |
| Given Name | Melvin G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Swift |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alfred Johnson (~0.92 confidence) and father Alfred Johnson (~0.92 confidence) and mother Marie Johnson (~0.92 confidence) and mother Mary Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alfred Johnson
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Alfred Johnson
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Marie Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mary Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Melvin Johnson
Head · 1940 · age 37 · b. ~1903 · Minnesota
★ 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 — Swift-County, Minnesota
Open full size
1940 US Federal Census — Swift-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01963-00459)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond A. Nash | 28 | Head | Farmer | Minnesota |
| 2 | Rachel Nash | 23 | Daughter | Maid | Minnesota |
| 3 | Harold Nash | 13 | Son | — | Minnesota |
| 4 | Ione Nash | 10 | Daughter | — | Minnesota |
| 5 | Ruby Nash | 7 | Daughter | — | Minnesota |
| 6 | Homer B. Tiffany | 61 | Head | Common Laborer | Iowa |
| 7 | Dorothy Tiffany | 48 | Wife | — | Iowa |
| 8 | Florence Tiffany | 16 | Daughter | — | Iowa |
| 9 | Delbert Tiffany | 14 | Son | — | Minnesota |
| 10 | Elmer Tiffany | 12 | Son | — | Minnesota |
| 11 | Joyce Tiffany | 9 | Daughter | — | Minnesota |
| 12 | Coletta Tiffany | 7 | Daughter | — | Minnesota |
| 13 | Leonard W. Tiffany | 19 | Son | Fireguard | Iowa |
| 14 | August M. Johnson | 65 | Head | Farmer | Minnesota |
| 15 | Melvin G. Johnson THIS PERSON | 37 | Head | Farmer | Minnesota |
| 16 | Mabel E. Johnson | 35 | Wife | — | Minnesota |
| 17 | Eleanor M. Johnson | 11 | Daughter | — | Minnesota |
| 18 | Ray M. Johnson | 5 | Son | — | Minnesota |
| 19 | Louis C. Tatge | 50 | Head | Farmer | Nebraska |
| 20 | Florence M. Tatge | 47 | Wife | — | So Dakota |
| 21 | Orville L. Tatge | 20 | Son | Farm Laborer | So Dakota |
| 22 | Phyllis L. Tatge | 12 | Daughter | — | So Dakota |
| 23 | Clifford R. Tatge | 14 | Son | — | So Dakota |
| 24 | Arlene M. Tatge | 11 | Daughter | — | Minnesota |
| 25 | Mary Larson | 73 | Head | — | Massachusetts |
| 26 | Laurence Larson | 34 | Son | Farmer | Minnesota |
| 27 | Lawrence Johnson | 37 | Head | Farmer | Minnesota |
| 28 | Myrtle Johnson | 30 | Wife | — | Minnesota |
| 29 | Junior Johnson | 13 | Son | — | Minnesota |
| 30 | Silas Johnson | 12 | Son | — | Minnesota |
| 31 | Ardis Johnson | 10 | Daughter | — | Minnesota |
| 32 | Daryl Johnson | 6 | Son | — | Minnesota |
| 33 | Beverly Johnson | 5 | Daughter | — | Minnesota |
| 34 | Daniel Johnson | 1 | Son | — | Minnesota |
| 35 | Kyle Williamson | 42 | Head | Farmer | Iowa |
| 36 | Alice C. Williamson | 32 | Wife | — | So Dakota |
| 37 | Dewayne Williamson | 14 | Son | — | Minnesota |
| 38 | Vera J. Williamson | 13 | Daughter | — | Minnesota |
| 39 | Eugene E. Williamson | 7 | Son | — | Minnesota |
| 40 | Robert A. Williamson | 65 | Father | — | Iowa |
Pedigree Summary
Melvin
Gen 1 · 4 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)