JN
John Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Morgan-County, Colorado
Our Model Tree links this John Nelson across the 1920, 1930 and 1940 US Censuses in Morgan-County, Colorado (XGBoost, ~Confirmed), with identified parents Peter & Mary — first a head (b.~1901), then head of a 5-person household.
Age 39
b. ~1901
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Morgan-County, Colorado |
| Surname | Nelson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | FORT MORGAN |
| 1935 Residence (County) | MORGAN |
| Additional Details | |
| Occupation | Shoemaker |
| Industry | Shoe Repair Shop |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Shoemaker |
| Township / Ward | Fort Morgan |
| Est. Birth Year | ~1901 |
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 |
|---|---|---|---|---|
| Dorothy Nelson | Daughter | — | 18 | ~1922 |
| John Nelson | Head | — | 39 | ~1901 |
| Russell Nelson | Son | — | 14 | ~1926 |
| Eugene Nelson | Son | — | 4 | ~1936 |
| Freida Nelson | Spouse | — | 38 | ~1902 |
Census Appearances
1920
Morgan, Colorado
Son, age 19
Morgan, Colorado · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Laborer |
| Industry | Sugar Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Morgan, Colorado
Head, age 29
Morgan, Colorado · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 21 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Shoe Cobbler |
| Industry | Shop |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Veteran | No |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Morgan-County, Colorado
Head, age 39
Morgan-County, Colorado · implied b. ~1901 — 5 household members
| Surname | Nelson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | FORT MORGAN |
| 1935 Residence (County) | MORGAN |
| Occupation | Shoemaker |
| Industry | Shoe Repair Shop |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Peter Nelson (~0.92 confidence) and mother Mary Nelson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Nelson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mary Nelson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Nelson
Head · 1940 · age 39 · b. ~1901 · Colorado
★ 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 — Morgan-County, Colorado
Open full size
1940 US Federal Census — Morgan-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00472-00610)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Wagner | 19 | Son | No | Colorado |
| 42 | Robert Wagner | 17 | Son | No | Colorado |
| 43 | Albert Karruth | 43 | Head | Deputy Co. Clerk | Colorado |
| 44 | Elsie Karruth | 43 | Wife | No | Colorado |
| 45 | Alberta Karruth | 21 | Daughter | Stenographer | Colorado |
| 46 | Barbara Karruth | 18 | Daughter | No | Colorado |
| 47 | Eris Karruth | 16 | Daughter | No | Colorado |
| 48 | Hjalmar Swanson | 46 | Head | Dentist | Colorado |
| 49 | June Swanson | 46 | Wife | No | Nebraska |
| 50 | Howard Swanson | 17 | Son | Driver | Colorado |
| 51 | Wayne Swanson | 11 | Son | No | Colorado |
| 52 | Andrew Holtinn | Holtinn | 26 | Head | Time Keeper | Nebraska |
| 53 | Helen Holtinn | Holtinn | 22 | Wife | Stenographer | Colorado |
| 54 | Judith Holtinn | Holtinn | 2 | Daughter | — | Colorado |
| 55 | Ruth Ostermiller | 20 | Servant | House Keeper | Colorado |
| 56 | Adam Schillereff | 70 | Head | No | Russia |
| 57 | Mary Schillereff | 64 | Wife | No | Russia |
| 58 | Mark Mills | 59 | Head | Care Taker | Minnesota |
| 59 | Margaret Mills | 55 | Wife | No | Indiana |
| 60 | David John Evans | 40 | Head | Minister | Wales (G.B.) |
| 61 | Anne M. Evans | 38 | Wife | No | Wales (G.B.) |
| 62 | David M. Evans | 11 | Son | No | Wales (G.B.) |
| 63 | Paul Jones | 39 | Head | Driver | Indiana |
| 64 | Hazel Jones | 38 | Wife | No | Illinois |
| 65 | Richard Jones | 5 | Son | — | Colorado |
| 66 | Walter Stephen | 27 | Head | Truck Driver | Colorado |
| 67 | Elva Stephen | 27 | Wife | No | West Virginia |
| 68 | Lucile Stephen | 4 | Daughter | — | Colorado |
| 69 | Keith Stephen | 2 | Son | — | Colorado |
| 70 | Felstina Parra | 61 | Head | No | Mexico |
| 71 | Refugii Parra | 30 | Daughter | House Work | Mexico |
| 72 | Extra Line | None | — | — | — |
| 73 | John Nelson THIS PERSON | 39 | Head | Shoemaker | Colorado |
| 74 | Freida Nelson | 38 | Wife | No | Nebraska |
| 75 | Dorothy Nelson | 18 | Daughter | Sales Girl | Colorado |
| 76 | Russell Nelson | 14 | Son | No | Colorado |
| 77 | Eugene Nelson | 4 | Son | — | Colorado |
| 78 | Jacob Gettman | 73 | Head | No | Russia |
| 79 | Katharine Gettman | 73 | Wife | No | Russia |
| 80 | Ruby Gettman | 15 | Daughter | No | Nebraska |
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)