JN
John Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jackson-County, Missouri
Our Model Tree links this John Nelson across the 1920, 1930 and 1940 US Censuses in Jackson-County, Missouri (XGBoost, ~Confirmed), with identified parents Elmer & Effie — first a head (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Missouri |
| Surname | Nelson |
| Given Name | John O |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Occupation | mechanic |
| Industry | motor assembly plant |
| Class of Worker | PW |
| Hours Worked | 33 |
| Income (1939) | 1400 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Mechanic |
| Township / Ward | Kansas City |
| Est. Birth Year | ~1914 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Nelson | Head | — | 26 | ~1914 |
| James Nelson | Son | — | 2 | ~1938 |
| Margaret Nelson | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Jackson, Missouri
Son, age 6
Jackson, Missouri · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | John M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Jackson, Missouri
Son, age 16
Jackson, Missouri · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Neilson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Jackson-County, Missouri
Head, age 26
Jackson-County, Missouri · implied b. ~1914 — 3 household members
| Surname | Nelson |
| Given Name | John O |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Occupation | mechanic |
| Industry | motor assembly plant |
| Class of Worker | PW |
| Hours Worked | 33 |
| Income (1939) | 1400 |
| 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 Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Elmer Nelson (~0.92 confidence) and mother Effie Nelson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Elmer Nelson
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Effie Nelson
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Nelson
Head · 1940 · age 26 · b. ~1914 · Missouri
★ 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 — Jackson-County, Missouri
Open full size
1940 US Federal Census — Jackson-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02180-00706)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Shepherd Hutts | 32 | Head | Assembler | Oklahoma |
| 42 | Irene O Hutts | 33 | Wife | Housework | Missouri |
| 43 | Thomas Hutts | 6 | Son | — | Missouri |
| 44 | Patricia Hutts | 3 | Daughter | — | Missouri |
| 45 | Kathryn Hutts | 1 | Daughter | — | Missouri |
| 46 | John O Nelson THIS PERSON | 26 | Head | Mechanic | Missouri |
| 47 | Margaret Nelson | 26 | Wife | Housework | Missouri |
| 48 | James Thomas Nelson | 2 | Son | — | Missouri |
| 49 | Royal Harris | 39 | Head | Postal Clerk | Nebraska |
| 50 | Nellie Harris | 40 | Wife | Housework | Missouri |
| 51 | Robert Harris | 19 | Son | — | Kansas |
| 52 | Royal Harris | 19 | Son | — | Kansas |
| 53 | Carl Gangel | 35 | Head | Warehouse Man | Kansas |
| 54 | Kathryn O Gangel | 34 | Wife | Housework | Kansas |
| 55 | Carl A Gangel | 8 | Son | — | Kansas |
| 56 | Ray Sinley | 30 | Head | Contractor | Missouri |
| 57 | Inez O Sinley | 29 | Wife | Housework | Missouri |
| 58 | Barbara Jean Sinley | 5 | Daughter | — | Missouri |
| 59 | Shirley Mae Sinley | 2 | Daughter | — | Missouri |
| 60 | Philip Jr Miller | 31 | Head | Radio Repair | Missouri |
| 61 | Mary Lou O Miller | 22 | Wife | Housework | Missouri |
| 62 | Gary Miller | 3 | Son | — | Missouri |
| 63 | William Welch | 28 | Head | Assembler | Missouri |
| 64 | Mary O Welch | 26 | Wife | Housework | Missouri |
| 65 | William Jr Welch | 4 | Son | — | Missouri |
| 66 | Jefferson Branson | 42 | Head | Truck Driver | Missouri |
| 67 | Irene O Branson | 40 | Wife | Housework | Kansas |
| 68 | Caridabelle Branson | 17 | Daughter | — | Missouri |
| 69 | Russell Winfield | 21 | Step-son | Helper | Kansas |
| 70 | Jess O Cordell | 41 | Head | Attendant | Missouri |
| 71 | Sarah Cordell | 45 | Wife | Housework | Missouri |
| 72 | Alta Nation | 21 | Niece | Shirt Girl | Missouri |
| 73 | Shirley Nation | 15 | Niece | — | Missouri |
| 74 | Ray Gardner | 51 | Head | Cement Worker | Ohio |
| 75 | Thinnie O Gardner | 56 | Wife | Housework | Missouri |
| 76 | Marjorie Gardner | 18 | Daughter | — | Missouri |
| 77 | Albert Myers | 33 | Head | Contractor | Iowa |
| 78 | Ruth O Myers | 34 | Wife | Housework | Missouri |
| 79 | Laura Mae Myers | 5 | Daughter | — | Missouri |
| 80 | Rosemary Myers | 3 | Daughter | — | Missouri |
Pedigree Summary
John
Gen 1 · 2 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)