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Nellie Adams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harrison-County, Iowa
Our Model Tree links this Nellie Adams across the 1920, 1930 and 1940 US Censuses in Harrison-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 3-person household.
Age 49
b. ~1891
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Harrison-County, Iowa |
| Surname | Adams |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Douglas Township |
| 1935 Residence (County) | Harrison |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Iowa |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Douglas 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Nellie | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Adams | Daughter | — | 11 | ~1929 |
| Robert Adams | Head | — | 48 | ~1892 |
| Nellie Adams | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Harrison, Iowa
Spouse, age 28
Harrison, Iowa · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Harrison, Iowa
Spouse, age 39
Harrison, Iowa · implied b. ~1891 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 22 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Harrison-County, Iowa
Spouse, age 49
Harrison-County, Iowa · implied b. ~1891 — 3 household members
| Surname | Adams |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Douglas Township |
| 1935 Residence (County) | Harrison |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Iowa |
| 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 Nellie Adams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Nellie Adams
Spouse · 1940 · age 49 · b. ~1891 · Iowa
★ 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 — Harrison-County, Iowa
Open full size
1940 US Federal Census — Harrison-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01166-00145)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Salem L. D. Downer | 60 | Head | Farmer | Iowa |
| 2 | Elizabeth J. Downer | 57 | Wife | — | Iowa |
| 3 | Robert G. Downer | 18 | Son | Farm Helper | Iowa |
| 4 | Willie J. Downer | 13 | Son | — | Iowa |
| 5 | Glenn W. Ronstead | 30 | Head | Farmer | Iowa |
| 6 | Helen Ronstead | 29 | Wife | — | Iowa |
| 7 | Lavonne Ronstead | 9 | Daughter | — | Iowa |
| 8 | Dickie Ronstead | 4 | Son | — | Iowa |
| 9 | George D. Talbott | 37 | Head | Farmer | Illinois |
| 10 | Evelyn Talbott | 33 | Wife | — | Missouri |
| 11 | John J. Kelly | 42 | Head | Farmer | New Jersey |
| 12 | Gertrude Kelly | 34 | Wife | — | Iowa |
| 13 | Donald R. Kelly | 10 | Son | — | Iowa |
| 14 | Wayne Kelly | 2 | Son | — | Iowa |
| 15 | Mike Drierweiler | 66 | Head | Farmer | Iowa |
| 16 | Margaret Drierweiler | 65 | Wife | — | Iowa |
| 17 | Albert Fryar | 41 | Head | Farmer | Iowa |
| 18 | Erma Fryar | 40 | Wife | — | Iowa |
| 19 | Donald Fryar | 19 | Son | Farm Helper | Iowa |
| 20 | Dale Fryar | 17 | Son | — | Iowa |
| 21 | Mary Lou Fryar | 9 | Daughter | — | Iowa |
| 22 | Carma Jean Fryar | 1 | Daughter | — | Iowa |
| 23 | John L. Knustad | 70 | Head | Farmer | England |
| 24 | Perry Watkins | 66 | Head | Farmer | Iowa |
| 25 | Anha M. Watkins | 61 | Wife | — | Nebraska |
| 26 | Clement M. Watkins | 22 | Son | Librarian | Iowa |
| 27 | Arlow Butcher | 37 | Head | Farmer | Iowa |
| 28 | Violet Butcher | 33 | Wife | — | Iowa |
| 29 | Doris Marie Butcher | 10 | Daughter | — | Iowa |
| 30 | Arlow Butcher | 9 | Son | — | Iowa |
| 31 | May Leann Butcher | 7 | Daughter | — | Iowa |
| 32 | Helen L. Butcher | 2 | Daughter | — | Iowa |
| 33 | Robert Adams | 48 | Head | Farm Laborer | Missouri |
| 34 | Nellie Adams THIS PERSON | 49 | Wife | — | Missouri |
| 35 | Dorothy Adams | 11 | Daughter | — | Iowa |
| 36 | Frank Matthews | 65 | Head | Farmer | Kansas |
| 37 | Julia Matthews | 64 | Wife | — | Ohio |
| 38 | George Moses | 40 | Head | Farmer | Iowa |
| 39 | Hazel Moses | 39 | Wife | — | Iowa |
| 40 | Goldie Moses | 14 | Daughter | — | 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)