LN
Lois Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fremont-County, Iowa
Our Model Tree links this Lois Nelson across the 1930 and 1940 US Censuses in Fremont-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fremont-County, Iowa |
| Surname | Nelson |
| Given Name | Lois E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Locust Grove Township |
| 1935 Residence (County) | Fremont |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Locust Grove Township |
| Est. Birth Year | ~1927 |
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 Lois | Age | Birth yr |
|---|---|---|---|---|
| Betty Nelson | Daughter | — | 15 | ~1925 |
| Stanley Nelson | Son | — | 17 | ~1923 |
| Agnes Nelson | Daughter | — | 18 | ~1922 |
| Delbert Nelson | Son | — | 7 | ~1933 |
| Edward Nelson | Head | — | 43 | ~1897 |
| Lois Nelson | Daughter | — | 13 | ~1927 |
| Enos Nelson | Son | — | 9 | ~1931 |
| Shirley Nelson | Daughter | — | 4 | ~1936 |
| Anna Nelson | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Fremont, Iowa
Daughter, age 2
Fremont, Iowa · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Fremont-County, Iowa
Daughter, age 13
Fremont-County, Iowa · implied b. ~1927 — 9 household members
| Surname | Nelson |
| Given Name | Lois E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Locust Grove Township |
| 1935 Residence (County) | Fremont |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 13 · b. ~1927 · Iowa
★ You are viewing this record
Sibling
Betty Nelson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Nelson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delbert Nelson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Enos Nelson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Nelson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Nelson
Sibling · 1940 · age 4
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 — Fremont-County, Iowa
Open full size
1940 US Federal Census — Fremont-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01162-00151)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Oliver W. Griffey | 33 | Head | Farmer | Iowa |
| 2 | Minnie E. Griffey | 32 | Wife | — | Iowa |
| 3 | Marie E. Griffey | 6 | Daughter | — | Iowa |
| 4 | Harold O. Griffey | 4 | Son | — | Iowa |
| 5 | Max W. Griffey | 0 | Son | — | Iowa |
| 6 | Joy C. Hall | 39 | Head | Farmer | Iowa |
| 7 | Myron A. Reese | 34 | Head | Farmer | Nebraska |
| 8 | Daisy E. Reese | 32 | Wife | — | Wisconsin |
| 9 | Joan R. Reese | 7 | Daughter | — | Iowa |
| 10 | Norman C. Whisler | 33 | Head | Farmer | Iowa |
| 11 | Stella M. Whisler | 32 | Wife | — | Iowa |
| 12 | Elaine D. Whisler | 11 | Daughter | — | Iowa |
| 13 | Billy M. Whisler | 7 | Son | — | Iowa |
| 14 | Clinton Mast | 61 | Head | Farmer | Iowa |
| 15 | Josephine M. Mast | 47 | Wife | — | Iowa |
| 16 | Thomas J. Lewis | 34 | Head | Farm Laborer | Missouri |
| 17 | Pauline A. Lewis | 27 | Wife | — | Missouri |
| 18 | John C. Lewis | 4 | Son | — | Nebraska |
| 19 | Ulysses S. Bricker | 69 | Head | Farmer | Missouri |
| 20 | Kittie Bricker | 63 | Wife | — | Illinois |
| 21 | Oliver Bricker | 34 | Son | Farmer | Missouri |
| 22 | Edward H. Nelson | 43 | Head | Farmer | Missouri |
| 23 | Anna F. Nelson | 39 | Wife | — | Missouri |
| 24 | Agnes M. Nelson | 18 | Daughter | — | Iowa |
| 25 | Stanley M. Nelson | 17 | Son | Farm Laborer | Iowa |
| 26 | Betty J. Nelson | 15 | Daughter | — | Iowa |
| 27 | Lois E. Nelson THIS PERSON | 13 | Daughter | — | Iowa |
| 28 | Enos E. Nelson | 9 | Son | — | Iowa |
| 29 | Delbert T. Nelson | 7 | Son | — | Iowa |
| 30 | Shirley E. Nelson | 4 | Daughter | — | Iowa |
| 31 | Sherman T. Lightfoot | 25 | Head | Farm Laborer | Iowa |
| 32 | Geneva J. Lightfoot | 26 | Wife | — | Iowa |
| 33 | Donald E. Lightfoot | 2 | Son | — | Iowa |
| 34 | Myrtle I. Brooks | 53 | Head | Farm Manager | Missouri |
| 35 | William D. Brooks | 21 | Son | Farm Laborer | Iowa |
| 36 | Enid E. Morrison | 22 | Hired Girl | Housework | Missouri |
| 37 | Jesse R. Baker | 33 | Head | Farm Laborer | Missouri |
| 38 | Mable M. Baker | 26 | Wife | Teacher | Indiana |
| 39 | Oscar E. Hays | 53 | Head | Farmer | Missouri |
| 40 | Minnie T. Hays | 54 | Wife | — | Iowa |
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)