LN
Louis Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harmon-County, Oklahoma
Our Model Tree links this Louis Nelson across the 1920, 1930 and 1940 US Censuses in Harmon-County, Oklahoma (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 7-person household.
Age 49
b. ~1891
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Harmon-County, Oklahoma |
| Surname | Nelson |
| Given Name | Louis Garret |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Martin Township |
| 1935 Residence (County) | Harmon |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Farmer |
| Township / Ward | Martin Township |
| Est. Birth Year | ~1891 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| L Nelson | Son | — | 18 | ~1922 |
| Louis Nelson | Head | — | 49 | ~1891 |
| Betty Nelson | Daughter | — | 13 | ~1927 |
| Dottie Nelson | Daughter | — | 9 | ~1931 |
| Edna Nelson | Spouse | — | 46 | ~1894 |
| Pearline Nelson | Daughter | — | 5 | ~1935 |
| Earl Nelson | Son | — | 6 | ~1934 |
Census Appearances
1920
Harmon, Oklahoma
Head, age 27
Harmon, Oklahoma · implied b. ~1893 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Louis Y. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Farm laborer |
| Industry | Working out |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Harmon, Oklahoma
Head, age 38
Harmon, Oklahoma · implied b. ~1892 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Lewis E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 19 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Farmer |
| Industry | Cotton Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Harmon-County, Oklahoma
Head, age 49
Harmon-County, Oklahoma · implied b. ~1891 — 7 household members
| Surname | Nelson |
| Given Name | Louis Garret |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Martin Township |
| 1935 Residence (County) | Harmon |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Louis Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Louis Nelson
Head · 1940 · age 49 · b. ~1891 · Oklahoma
★ 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 — Harmon-County, Oklahoma
Open full size
1940 US Federal Census — Harmon-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03297-00276)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Yvonne Farquhar | 12 | Daughter | — | Oklahoma |
| 2 | Vancell Farquhar | 16 | Son | — | Oklahoma |
| 3 | Joe C. Allison | 37 | Head | Farmer | Tennessee |
| 4 | Fern M. Allison | 35 | Wife | — | Oklahoma |
| 5 | Peggy Joe Allison | 11 | Daughter | — | Oklahoma |
| 6 | Jimmy Max Allison | 5 | Son | — | Oklahoma |
| 7 | Jane Ann Allison | 4 | Daughter | — | Oklahoma |
| 8 | Samuel C. Allison | 2 | Son | — | Oklahoma |
| 9 | Robert David Allison | 0 | Son | — | Oklahoma |
| 10 | Bertie Credelle | 55 | Head | — | Tennessee |
| 11 | Richard Credelle | 30 | Son | Operator, Tractor | Texas |
| 12 | Roscoe W. Credelle | 25 | Son | Employee | Oklahoma |
| 13 | Vernie Lee Credelle | 16 | Daughter | — | Oklahoma |
| 14 | Richard Ray Credelle | 5 | Grandson | — | Oklahoma |
| 15 | Annie E. Moke | 51 | Head | — | Texas |
| 16 | Angus E. Ingall | 33 | Son-in-law | Employee | Texas |
| 17 | Addie Ingall | 29 | Daughter | — | Oklahoma |
| 18 | Annie Lee Ingall | 11 | Daughter | — | Oklahoma |
| 19 | Billie Joe Ingall | 7 | Son | — | Oklahoma |
| 20 | Donil Lynn Ingall | 3 | Son | — | Oklahoma |
| 21 | Louis Garret Nelson THIS PERSON | 49 | Head | Farmer | Missouri |
| 22 | Edna N. Nelson | 46 | Wife | — | Texas |
| 23 | L. G. Nelson | 18 | Son | Driver | Oklahoma |
| 24 | Betty Joe Nelson | 13 | Daughter | — | Oklahoma |
| 25 | Dottie Sue Nelson | 9 | Daughter | — | Oklahoma |
| 26 | Earl Nelson | 6 | Son | — | Oklahoma |
| 27 | Pearline Nelson | 5 | Daughter | — | Oklahoma |
| 28 | Homer C. Johnson | 29 | Head | Farmer | Texas |
| 29 | Janie Belle Johnson | 22 | Wife | — | Oklahoma |
| 30 | Collie Marine Johnson | 3 | Daughter | — | Oklahoma |
| 31 | Jeff Walkup | 26 | Head | Farmer | Oklahoma |
| 32 | Dortha Walkup | 23 | Wife | — | Oklahoma |
| 33 | Stella Dean | 30 | Sister | Housekeeper | Oklahoma |
| 34 | Clifford H. Craft | 22 | Head | Farmer | Oklahoma |
| 35 | Ruby Alma Craft | 26 | Wife | — | Oklahoma |
| 36 | Bonnie Florine Craft | 1 | Daughter | — | Oklahoma |
| 37 | Ralph Moore | 26 | Head | Farmer | Texas |
| 38 | Addie L. Moore | 22 | Wife | — | Texas |
| 39 | Monta Kay Moore | 12 | Son | — | Oklahoma |
| 40 | Kenneth J. Moore | 7 | Son | — | Oklahoma |
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)