JN
John Nicholson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jasper-County, Missouri
Our Model Tree links this John Nicholson across the 1920, 1930 and 1940 US Censuses in Jasper-County, Missouri (XGBoost, ~Confirmed), with identified parents James & John — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jasper-County, Missouri |
| Surname | Nicholson |
| Given Name | John B. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Joplin City |
| 1935 Residence (County) | Jasper |
| Additional Details | |
| Occupation | Salesman |
| Industry | Retail drug store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 840 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Salesman |
| Township / Ward | Joplin City |
| Est. Birth Year | ~1917 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Nicholson | Head | — | 59 | ~1881 |
| Helen Nicholson | Daughter | — | 30 | ~1910 |
| Mary Glasscock | Other | — | 77 | ~1863 |
| Allie Nicholson | Spouse | — | 52 | ~1888 |
| John Nicholson | Son | — | 23 | ~1917 |
Census Appearances
1920
Jasper, Missouri
Son, age 2
Jasper, Missouri · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicholson |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Jasper, Missouri
Son, age 13
Jasper, Missouri · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicholson |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Jasper-County, Missouri
Son, age 23
Jasper-County, Missouri · implied b. ~1917 — 5 household members
| Surname | Nicholson |
| Given Name | John B. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Joplin City |
| 1935 Residence (County) | Jasper |
| Occupation | Salesman |
| Industry | Retail drug store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 840 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Nicholson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Nicholson (~0.92 confidence) and father John Nicholson (~0.92 confidence) and mother Allie Nicholson (~0.92 confidence) and mother Edith Nicholson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Nicholson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
John Nicholson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Allie Nicholson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Edith Nicholson
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Nicholson
Son · 1940 · age 23 · b. ~1917 · Missouri
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Sibling
Helen Nicholson
Sibling · 1940 · age 30
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 — Jasper-County, Missouri
Open full size
1940 US Federal Census — Jasper-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02117-00893)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David Johnson | 4 | Son | — | Missouri |
| 2 | Pauline Hartley | 27 | Head | Stenographer | Missouri |
| 3 | David Hartley | 4 | Son | — | Missouri |
| 4 | Harry Davis | 40 | Head | Carpenter | Missouri |
| 5 | Minnie Davis | 37 | Wife | — | Missouri |
| 6 | Alven Johnson | 21 | Head | Truck Driver | Kansas |
| 7 | Myrtle Johnson | 21 | Wife | — | Missouri |
| 8 | John B. Johnson | 4 | Son | — | Missouri |
| 9 | Donald M. Johnson | 2 | Son | — | Missouri |
| 10 | Drucilla Marshall | 74 | Head | — | Missouri |
| 11 | Silas M. Tucker | 59 | Lodger | Salesman | Tennessee |
| 12 | Robert L. Marshall | 49 | Head | — | Missouri |
| 13 | Clara Marshall | 39 | Wife | Seamstress | Missouri |
| 14 | Thomas Setzer | 62 | Head | Superintendent | Tennessee |
| 15 | Doris Setzer | 23 | Wife | — | Missouri |
| 16 | John B. Nicholson | 59 | Head | — | Kentucky |
| 17 | Allie Nicholson | 52 | Wife | — | Missouri |
| 18 | Helen M. Nicholson | 30 | Daughter | Case Maker | Missouri |
| 19 | John B. Jr. Nicholson THIS PERSON | 23 | Son | Salesman | Missouri |
| 20 | Mary Glasscock | 77 | Mother | — | Illinois |
| 21 | Margaret Collins | 57 | Head | — | Arkansas |
| 22 | Oleta Collins | 36 | Daughter | Librarian | Missouri |
| 23 | Roy A. Fallis | 59 | Head | Division Foreman | Missouri |
| 24 | Mabel A. Fallis | 57 | Wife | Asst. Manager | Nebraska |
| 25 | Martin Depriest | 42 | Head | Switchman | Missouri |
| 26 | Alice Depriest | 36 | Wife | — | Kansas |
| 27 | Marjory Depriest | 10 | Daughter | — | Missouri |
| 28 | Patty Joe Depriest | 4 | Daughter | — | Missouri |
| 29 | Ray B. Mcconnell | 46 | Head | Manager | Missouri |
| 30 | Mabel B. Mcconnell | 44 | Wife | — | Kansas |
| 31 | Irma Mcconnell | 25 | Daughter | Department Manager | Missouri |
| 32 | Kathleen Mcconnell | 20 | Daughter | Cashier | Missouri |
| 33 | Charles Mcconnell | 15 | Son | — | Missouri |
| 34 | Raymond Mcconnell | 22 | Son | Laborer | Missouri |
| 35 | Nadine Nadine | 17 | In-law | — | Missouri |
| 36 | Clyde Mcconnell | 40 | Brother | Clerk | Missouri |
| 37 | Lucy Vest | 62 | Head | Secretary | Kansas |
| 38 | Helen Vest | 81 | Mother | — | New York |
| 39 | Dale Johnson | 24 | Head | Warehouse Manager | Kansas |
| 40 | Florene Johnson | 23 | Wife | — | Kansas |
Pedigree Summary
John + 1 sibling
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)