JN
John Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ottawa-County, Kansas
Our Model Tree links this John Nelson across the 1910, 1920, 1930 and 1940 US Censuses in Ottawa-County, Kansas (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ottawa-County, Kansas |
| Surname | Nelson |
| Given Name | John Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Sheridan Twp |
| 1935 Residence (County) | Ottawa |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farming |
| Township / Ward | Sheridan Twp |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Sara Nelson | Daughter | — | 1 | ~1939 |
| John Nelson | Head | — | 31 | ~1909 |
| John Nelson | Son | — | 5 | ~1935 |
| Edna Nelson | Spouse | — | 30 | ~1910 |
Census Appearances
1910
Ottawa, Kansas
Son, age 1
Ottawa, Kansas · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Scotland |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1920
Ottawa, Kansas
Son, age 11
Ottawa, Kansas · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | John R |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Ottawa, Kansas
Son, age 21
Ottawa, Kansas · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | John R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Scotland |
| Occupation | Laborer |
| Industry | Farming |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Ottawa-County, Kansas
Head, age 31
Ottawa-County, Kansas · implied b. ~1909 — 4 household members
| Surname | Nelson |
| Given Name | John Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Sheridan Twp |
| 1935 Residence (County) | Ottawa |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Nelson (~0.92 confidence) and father John Nelson (~0.92 confidence) and mother Bella Nelson (~0.92 confidence) and mother Isabella Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Nelson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
John Nelson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Bella Nelson
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Isabella Nelson
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Nelson
Head · 1940 · age 31 · b. ~1909 · Kansas
★ 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 — Ottawa-County, Kansas
Open full size
1940 US Federal Census — Ottawa-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01251-00280)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Evelyn Garrison | 28 | Wife | — | Kansas |
| 2 | Sherryl Lynn Garrison | 2 | Daughter | — | Kansas |
| 3 | Ruth Bennett | 57 | Sister | — | Pennsylvania |
| 4 | John Jr. Nelson THIS PERSON | 31 | Head | Farming | Kansas |
| 5 | Edna Nelson | 30 | Wife | — | Kansas |
| 6 | John A. Nelson | 5 | Son | — | Kansas |
| 7 | Sara Nelson | 1 | Daughter | — | Kansas |
| 8 | Harold Hollis | 41 | Head | Farming | Kansas |
| 9 | Pauline Hollis | 27 | Wife | — | Missouri |
| 10 | June Hollis | 8 | Daughter | — | Kansas |
| 11 | Betty Hollis | 7 | Daughter | — | Kansas |
| 12 | Violet Hollis | 5 | Daughter | — | Kansas |
| 13 | David Campbell | 55 | Head | Laborer | Kansas |
| 14 | Marie Campbell | 19 | Daughter | — | Kansas |
| 15 | Gertrude Campbell | 17 | Daughter | — | Kansas |
| 16 | Betty Campbell | 15 | Daughter | — | Kansas |
| 17 | Marilyn Campbell | 13 | Daughter | — | Kansas |
| 18 | Virginia Campbell | 11 | Daughter | — | Kansas |
| 19 | David Campbell | 10 | Son | — | Kansas |
| 20 | Earl Hurtig | 47 | Head | Farming | Kansas |
| 21 | John Hurtig | 44 | Brother | Farming | Kansas |
| 22 | George Hurtig | 41 | Brother | Farming | Kansas |
| 23 | Carl Hurtig | 38 | Brother | Farming | Kansas |
| 24 | Leonard Hurtig | 35 | Brother | Farming | Kansas |
| 25 | Linus Gustafson | 55 | Head | Farming | Sweden |
| 26 | Anna Gustafson | 44 | Wife | — | Sweden |
| 27 | Esther Gustafson | 21 | Daughter | Operator | Kansas |
| 28 | Leona Gustafson | 19 | Daughter | Laborer | Kansas |
| 29 | Oled Smith | 64 | Head | Farming | Kansas |
| 30 | Maud Smith | 64 | Wife | — | Indiana |
| 31 | Henning Larson | 58 | Head | Farming | Sweden |
| 32 | Ellen Larson | 52 | Wife | — | Sweden |
| 33 | May Larson | 15 | Daughter | — | Kansas |
| 34 | Daniel Smith | 62 | Head | Farming | Ohio |
| 35 | Margaret Smith | 58 | Wife | — | West Virginia |
| 36 | Arthur W. Haley | 51 | Head | Farming | Kansas |
| 37 | Alma Haley | 49 | Wife | — | Kansas |
| 38 | Dorothy Haley | 15 | Daughter | — | Kansas |
| 39 | Russell Dodd | 54 | Head | Plumber | Kansas |
| 40 | Eva Dodd | 52 | Wife | — | Indiana |
Pedigree Summary
John
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)