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Grace Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Adair-County, Iowa
Our Model Tree links this Grace Nelson across the 1930 and 1940 US Censuses in Adair-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 10-person household.
Age 45
b. ~1895
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Adair-County, Iowa |
| Surname | Nelson |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Lincoln Twp |
| Additional Details | |
| Highest Grade | 8 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Lincoln Twp |
| Est. Birth Year | ~1895 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Jack Nelson | Son | — | 9 | ~1931 |
| Marlene Nelson | Daughter | — | 5 | ~1935 |
| Gene Nelson | Head | — | 48 | ~1892 |
| James Nelson | Son | — | 11 | ~1929 |
| Dean Nelson | Son | — | 14 | ~1926 |
| Freda Nelson | Daughter | — | 16 | ~1924 |
| Mary Nelson | Daughter | — | 19 | ~1921 |
| Grace Nelson | Spouse | — | 45 | ~1895 |
| Alberta Nelson | Daughter | — | 12 | ~1928 |
| Eldon Nelson | Son | — | 5 | ~1935 |
Census Appearances
1930
Adair, Iowa
Other, age 36
Adair, Iowa · implied b. ~1894 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Grace |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 19 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Adair-County, Iowa
Spouse, age 45
Adair-County, Iowa · implied b. ~1895 — 10 household members
| Surname | Nelson |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Lincoln Twp |
| Highest Grade | 8 |
| 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 Grace Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Nelson
Spouse · 1940 · age 45 · b. ~1895 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Adair-County, Iowa
Open full size
1940 US Federal Census — Adair-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01136-00238)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lucile Bloomquist | 4 | Daughter | — | Iowa |
| 42 | Howard Christensen | 25 | Head | Farmer | Iowa |
| 43 | Ella Christensen | 24 | Wife | — | Iowa |
| 44 | Donald Christensen | 3 | Son | — | Iowa |
| 45 | Steve Nolte | 57 | Head | Farmer | Iowa |
| 46 | Jessie Nolte | 47 | Wife | — | Iowa |
| 47 | Florence Nolte | 22 | Daughter | Farmer | Iowa |
| 48 | Gerald Nolte | 25 | Son | Farmer | Iowa |
| 49 | Harry Tigton | 30 | Head | Farmer | Iowa |
| 50 | Mildred Tigton | 27 | Wife | — | Iowa |
| 51 | Marilyn Jean Tigton | 6 | Daughter | — | Iowa |
| 52 | Shirley Tigton | 4 | Daughter | — | Iowa |
| 53 | Harry John Tigton | 2 | Son | — | Iowa |
| 54 | John Percy | 66 | Head | Farmer | Illinois |
| 55 | Stella Percy | 61 | Wife | — | Ohio |
| 56 | Wilbur Percy | 21 | Head | Farm Laborer | Iowa |
| 57 | Mary Doris Percy | 24 | Wife | — | Iowa |
| 58 | Jane Brown | 64 | Head | Farmer | Iowa |
| 59 | Ethel Brown | 61 | Wife | — | Iowa |
| 60 | John L Brown | 28 | Son | Farmer | Iowa |
| 61 | Albert Mitchell | 31 | Head | Farmer | Iowa |
| 62 | Lucile Mitchell | 27 | Wife | — | Iowa |
| 63 | George Mitchell | 4 | Son | — | Iowa |
| 64 | Albert Henry Mitchell | 2 | Son | — | Iowa |
| 65 | John Merchant | 13 | Cousin | — | Iowa |
| 66 | Gene Nelson | 48 | Head | Farmer | Iowa |
| 67 | Grace Nelson THIS PERSON | 45 | Wife | — | Iowa |
| 68 | Mary Nelson | 19 | Daughter | — | South Dakota |
| 69 | Freda Nelson | 16 | Daughter | — | South Dakota |
| 70 | Dean Nelson | 14 | Son | — | South Dakota |
| 71 | Alberta Nelson | 12 | Daughter | — | South Dakota |
| 72 | James Nelson | 11 | Son | — | South Dakota |
| 73 | Jack Nelson | 9 | Son | — | Stuart |
| 74 | Eldon Nelson | 5 | Son | — | Stuart |
| 75 | Marlene Nelson | 5 | Daughter | — | Stuart |
| 76 | Elsie Hawthorne | 25 | Head | — | Illinois |
| 77 | Linn Hawthorne | 50 | Daughter | Teacher | Iowa |
| 78 | Howard Moore | 56 | Head | Farmer | Illinois |
| 79 | Maude Moore | 56 | Wife | — | Iowa |
| 80 | Elizabeth Stanton | 77 | Mother-in-law | — | Canada |
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)