EN
Evelyn Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Harrison-County, Iowa
Our Model Tree links this Evelyn Nelson across the 1920, 1930 and 1940 US Censuses in Harrison-County, Iowa (XGBoost, ~Confirmed), with identified parents William & Wm — first a daughter (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harrison-County, Iowa |
| Surname | Nelson |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Harrison |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | St John Township |
| Est. Birth Year | ~1916 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Evelyn | Age | Birth yr |
|---|---|---|---|---|
| Carrie Nelson | Spouse | — | 45 | ~1895 |
| Lewis Nelson | Son | — | 16 | ~1924 |
| Wm Nelson | Head | — | 57 | ~1883 |
| Wm Nelson | Son | — | 22 | ~1918 |
| Evelyn Nelson | Daughter | — | 24 | ~1916 |
Census Appearances
1920
Harrison, Iowa
Daughter, age 5
Harrison, Iowa · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Evelyn L |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Harrison, Iowa
Other, age 16
Harrison, Iowa · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Evelyn |
| Relationship to Head | Dau |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Harrison-County, Iowa
Daughter, age 24
Harrison-County, Iowa · implied b. ~1916 — 5 household members
| Surname | Nelson |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Harrison |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| 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 Evelyn Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Nelson (~0.92 confidence) and father Wm Nelson (~0.92 confidence) and mother Carrie Nelson (~0.92 confidence) and mother Carrie Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Nelson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Wm Nelson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Carrie Nelson
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Carrie Nelson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Evelyn Nelson
Daughter · 1940 · age 24 · b. ~1916 · Iowa
★ You are viewing this record
Sibling
Wm Nelson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Nelson
Sibling · 1940 · age 16
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 — 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-t0627-01166-00608)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew W. Hatcher | 29 | Head | Farmer | Dakota |
| 2 | Vida Hatcher | 20 | Wife | — | Iowa |
| 3 | E. E. Totten | 57 | Head | Farmer | Virginia |
| 4 | Allie Totten | 49 | Wife | — | Illinois |
| 5 | W. G. Totten | 25 | Son | Farmer | Missouri |
| 6 | Wm Nelson | 57 | Head | Oiler Eng | Denmark |
| 7 | Carrie Nelson | 45 | Wife | — | Iowa |
| 8 | Evelyn Nelson THIS PERSON | 24 | Daughter | — | Iowa |
| 9 | Wm Jr. Nelson | 22 | Son | Farm Hand | Iowa |
| 10 | Lewis Nelson | 16 | Son | Farmer | Iowa |
| 11 | Albert Harter | 74 | Head | Farmer | New York |
| 12 | Minnie Harter | 51 | Wife | — | Iowa |
| 13 | Glen Harter | 24 | Son | Farm Hand | Iowa |
| 14 | Mary Harter | 17 | Daughter | — | Iowa |
| 15 | Lou, R. Longman | 69 | Head | Farmer | Iowa |
| 16 | Hattie, A. Longman | 65 | Wife | — | Nebraska |
| 17 | George Kelly | 66 | Head | Farmer | Arkansas |
| 18 | Emma Kelly | 63 | Wife | — | Iowa |
| 19 | Glen Kelly | 19 | Son | Farm Helper | Iowa |
| 20 | James Frank Kelly | 74 | Brother | — | Iowa |
| 21 | G. W. Owens | 65 | Head | Farm Operator | Iowa |
| 22 | Susie K. Owens | 61 | Wife | — | Iowa |
| 23 | William Hester | 36 | Lodger | Farm Hand | Iowa |
| 24 | B. X. Kopovec | 61 | Head | Farmer | Bohemia |
| 25 | Anna Kopovec | 44 | Wife | — | Bohemia |
| 26 | Ch. X. Andersen | 44 | Head | Farmer | Iowa |
| 27 | Susie, P. Andersen | 35 | Wife | — | Iowa |
| 28 | Doris Andersen | 16 | Daughter | — | Iowa |
| 29 | Mary Andersen | 15 | Daughter | — | Iowa |
| 30 | Julia Andersen | 14 | Daughter | — | Iowa |
| 31 | Robert Foutch | 43 | Head | Electrician | Nebraska |
| 32 | Florence Foutch | 44 | Wife | — | Iowa |
| 33 | Donna Foutch | 3 | Daughter | — | Iowa |
| 34 | Robert T. Deal | 46 | Head | Farmer | Iowa |
| 35 | Lola Deal | 45 | Wife | — | Iowa |
| 36 | Nels N. Johnsen | 65 | Head | Farmer | Denmark |
| 37 | Arthur W. Johnsen | 19 | Son | Farmer Help | Iowa |
| 38 | Audry Johnsen | 16 | Daughter | — | Iowa |
| 39 | Julius, X. Martin | 52 | Head | Farmer | Iowa |
| 40 | Alice Johnsen | 46 | Wife | — | Iowa |
Pedigree Summary
Evelyn + 2 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)