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Lois Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Idaho
Our Model Tree links this Lois Nelson across the 1930 and 1940 US Censuses in Madison-County, Idaho (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 13-person household.
Age 14
b. ~1926
Female
Daughter
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Idaho |
| Surname | Nelson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Rexburg |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Idaho |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | Herbert Prec |
| Est. Birth Year | ~1926 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lois | Age | Birth yr |
|---|---|---|---|---|
| Goral Nelson | Daughter | — | 3 | ~1937 |
| Dwain Nelson | Son | — | 8 | ~1932 |
| Nylin Nelson | Son | — | 4 | ~1936 |
| Myrla Nelson | Daughter | — | 11 | ~1929 |
| Lois Nelson | Daughter | — | 14 | ~1926 |
| Kwenden Nelson | Son | — | 12 | ~1928 |
| Infant Nelson | Daughter | — | ~1940 | |
| Orlene Nelson | Daughter | — | 15 | ~1925 |
| Wilma Nelson | Spouse | — | 46 | ~1894 |
| Andrew Nelson | Head | — | 50 | ~1890 |
| Marvin Nelson | Son | — | 10 | ~1930 |
| Zyrl Nelson | Son | — | 7 | ~1933 |
| David Nelson | Son | — | 6 | ~1934 |
Census Appearances
1930
Madison, Idaho
Daughter, age 4
Madison, Idaho · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Utah |
| Mother's Birthplace | Holland |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Madison-County, Idaho
Daughter, age 14
Madison-County, Idaho · implied b. ~1926 — 13 household members
| Surname | Nelson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Rexburg |
| 1935 Residence (County) | Madison |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Idaho |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Lois Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lois Nelson
Daughter · 1940 · age 14 · b. ~1926 · Idaho
★ You are viewing this record
Sibling
Marvin Nelson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Orlene Nelson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Infant Nelson
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kwenden Nelson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nylin Nelson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Myrla Nelson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Zyrl Nelson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Nelson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dwain Nelson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Goral Nelson
Sibling · 1940 · age 3
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 — Madison-County, Idaho
Open full size
1940 US Federal Census — Madison-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00750-00596)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ferdie Luthy | 21 | Head | Farming | Idaho |
| 2 | Zola Luthy | 18 | Wife | — | Idaho |
| 3 | Flora Janes | 37 | Head | — | Idaho |
| 4 | Kenneth Janes | 5 | Son | — | Idaho |
| 5 | Larna K Janes | 3 | Daughter | — | Idaho |
| 6 | Daniel Tyler | 16 | Son | — | Idaho |
| 7 | Richard L Tyler | 10 | Son | — | Idaho |
| 8 | Henry Luthy | 43 | Head | Farming | Idaho |
| 9 | Mary Luthy | 31 | Wife | — | Idaho |
| 10 | Kay Luthy | 9 | Son | — | Idaho |
| 11 | Billie Luthy | 7 | Son | — | Idaho |
| 12 | Dwayn Luthy | 4 | Son | — | Idaho |
| 13 | Leonard Clements | 30 | Head | Farming | Idaho |
| 14 | Florence N Clements | 28 | Wife | — | Idaho |
| 15 | Clair B Clements | 9 | Son | — | Idaho |
| 16 | Dale L Clements | 1 | Son | — | Idaho |
| 17 | J. W. Clements | 65 | Head | Farming | Minn. |
| 18 | Jannet Clements | 65 | Wife | — | Utah |
| 19 | Andrew A Nelson | 50 | Head | Laborer | Utah |
| 20 | Wilma Nelson | 46 | Wife | Teacher | Holland |
| 21 | Orlene Nelson | 15 | Daughter | — | Idaho |
| 22 | Lois Nelson THIS PERSON | 14 | Daughter | — | Idaho |
| 23 | Kwenden Nelson | 12 | Son | — | Idaho |
| 24 | Myrla Nelson | 11 | Daughter | — | Idaho |
| 25 | Marvin Nelson | 10 | Son | — | Idaho |
| 26 | Dwain Nelson | 8 | Son | — | Idaho |
| 27 | Zyrl Nelson | 7 | Son | — | Idaho |
| 28 | David Nelson | 6 | Son | — | Idaho |
| 29 | Nylin Nelson | 4 | Son | — | Idaho |
| 30 | Goral Nelson | 3 | Daughter | — | Idaho |
| 31 | Infant Nelson | 0 | Daughter | — | Idaho |
| 32 | Leon Smith | 37 | Head | Farming | Idaho |
| 33 | Jane Smith | 35 | Wife | — | Idaho |
| 34 | Kenneth Smith | 11 | Son | — | Idaho |
| 35 | Mararre Smith | 6 | Son | — | Idaho |
| 36 | Kenneth Blunch | 28 | Head | Laborer | Idaho |
| 37 | Mary Blunch | 23 | Wife | — | Utah |
| 38 | Orrin Wilcok | 62 | Head | — | Utah |
| 39 | Helen Wilcok | 19 | Daughter | — | Idaho |
| 40 | John O. Wilcok | 14 | Son | — | Idaho |
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)