KN
Kenneth Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Weld-County, Colorado
Our Model Tree links this Kenneth Nelson across the 1930 and 1940 US Censuses in Weld-County, Colorado (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 9-person household.
Age 19
b. ~1921
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Weld-County, Colorado |
| Surname | Nelson |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Weld |
| Additional Details | |
| Occupation | farmer |
| Industry | farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 100 |
| Highest Grade | H-4 |
| 1935 Residence | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Farmer |
| Township / Ward | Precinct 3 |
| Est. Birth Year | ~1921 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Kenneth | Age | Birth yr |
|---|---|---|---|---|
| Kenneth Nelson | Son | — | 19 | ~1921 |
| James Nelson | Son | — | 24 | ~1916 |
| Paul Nelson | Son | — | 10 | ~1930 |
| Cecil Nelson | Son | — | 13 | ~1927 |
| Robert Nelson | Head | — | 49 | ~1891 |
| Helen Nelson | Daughter | — | 8 | ~1932 |
| Hazel Nelson | Daughter | — | 5 | ~1935 |
| Eugene Nelson | Son | — | 17 | ~1923 |
| Lily Nelson | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Weld, Colorado
Son, age 9
Weld, Colorado · implied b. ~1921 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Weld-County, Colorado
Son, age 19
Weld-County, Colorado · implied b. ~1921 — 9 household members
| Surname | Nelson |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Weld |
| Occupation | farmer |
| Industry | farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 100 |
| Highest Grade | H-4 |
| 1935 Residence | Colorado |
| 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 Kenneth Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Kenneth Nelson
Son · 1940 · age 19 · b. ~1921 · Colorado
★ You are viewing this record
Sibling
Cecil Nelson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Nelson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Nelson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Nelson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Nelson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Nelson
Sibling · 1940 · age 8
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 — Weld-County, Colorado
Open full size
1940 US Federal Census — Weld-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00481-00129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Violet Sauter | 32 | Wife | — | Iowa |
| 42 | Beulah Sauter | 14 | Daughter | — | Missouri |
| 43 | Ethel Sauter | 12 | Daughter | — | Missouri |
| 44 | Ruby Sauter | 8 | Daughter | — | Colorado |
| 45 | Robert Nelson | 49 | Head | Farmer | Nebraska |
| 46 | Lily Nelson | 46 | Wife | — | Nebraska |
| 47 | James Nelson | 24 | Son | Farmer | Colorado |
| 48 | Kenneth Nelson THIS PERSON | 19 | Son | Farmer | Colorado |
| 49 | Eugene Nelson | 17 | Son | Farmer | Colorado |
| 50 | Cecil Nelson | 13 | Son | — | Colorado |
| 51 | Paul Nelson | 10 | Son | — | Colorado |
| 52 | Helen Nelson | 8 | Daughter | — | Colorado |
| 53 | Hazel Nelson | 5 | Daughter | — | Colorado |
| 54 | Thomas Helms | 40 | Head | — | Nebraska |
| 55 | Laura Helms | 35 | Wife | — | Nebraska |
| 56 | Helen Helms | 17 | Daughter | — | Nebraska |
| 57 | Laura Helms | 10 | Daughter | — | Colorado |
| 58 | Lenora Helms | 10 | Daughter | — | Colorado |
| 59 | Clara Helms | 5 | Daughter | — | Colorado |
| 60 | Charlotte Helms | 2 | Daughter | — | Colorado |
| 61 | Evaristo Callevas | 38 | Head | Farm Hand | Mexico |
| 62 | Francis Callevas | 33 | Wife | — | Mexico |
| 63 | Louis Callevas | 9 | Son | — | Kansas |
| 64 | Lonzo Sikes | 39 | Head | Farm Hand | Arkansas |
| 65 | Helen Sikes | 21 | Wife | — | Wyoming |
| 66 | Alvin Sikes | 1 | Son | Farm Hand | Utah |
| 67 | Ralph H. Cox | 29 | Head | — | Kansas |
| 68 | Irene Cox | 26 | Wife | — | Kansas |
| 69 | Robert Cox | 7 | Son | — | Kansas |
| 70 | Doris Cox | 5 | Daughter | — | Kansas |
| 71 | Phylis Cox | 7 | Daughter | — | Kansas |
| 72 | Roly Cox | 2 | Son | — | Colorado |
| 73 | Margaret Bolton | 72 | Head | — | Iowa |
| 74 | Joe G. Hamilton | 45 | Head | Painter | North Ireland |
| 75 | Frank Mellon | 53 | Head | Salesman | Missouri |
| 76 | Thankfull Mellon | 53 | Wife | — | Missouri |
| 77 | Carl O. Watson | 33 | Head | Laborer | Iowa |
| 78 | Helen Watson | 26 | Wife | — | Oklahoma |
| 79 | Howard Binder | 22 | Head | Farmer | Colorado |
| 80 | Bertha Binder | 20 | Wife | — | Colorado |
Related Census Records
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)