DN
Donald Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Audubon-County, Iowa
Our Model Tree links this Donald Nelson across the 1920, 1930 and 1940 US Censuses in Audubon-County, Iowa (XGBoost, ~Confirmed), with identified parents Anton & Chris — first a son (b.~1921), then head of a 5-person household.
Age 19
b. ~1921
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Audubon-County, Iowa |
| Surname | Nelson |
| Given Name | Donald E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Audubon |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Building const |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 585 |
| Highest Grade | No 4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Carpenter |
| Township / Ward | Audubon City |
| Est. Birth Year | ~1921 |
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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Donald Nelson | Son | — | 19 | ~1921 |
| Greta Nelson | Spouse | — | 52 | ~1888 |
| Loretta Nelson | Daughter | — | 8 | ~1932 |
| Leonard Nelson | Son | — | 29 | ~1911 |
| Mike Nelson | Head | — | 54 | ~1886 |
Census Appearances
1920
Audubon, Iowa
Son, age
Audubon, Iowa · implied b. ~1920 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Durand |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Audubon, Iowa
Son, age 10
Audubon, Iowa · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Donald D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Audubon-County, Iowa
Son, age 19
Audubon-County, Iowa · implied b. ~1921 — 5 household members
| Surname | Nelson |
| Given Name | Donald E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Audubon |
| Occupation | Carpenter |
| Industry | Building const |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 585 |
| Highest Grade | No 4 |
| 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 Donald Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Anton Nelson (~0.92 confidence) and father Chris Nelson (~0.92 confidence) and father Mike Nelson (~0.92 confidence) and mother Greta Nelson (~0.92 confidence) and mother Ida Nelson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Anton Nelson
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Chris Nelson
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Mike Nelson
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Greta Nelson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Ida Nelson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Nelson
Son · 1940 · age 19 · b. ~1921 · Iowa
★ You are viewing this record
Sibling
Loretta Nelson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Nelson
Sibling · 1940 · age 29
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 — Audubon-County, Iowa
Open full size
1940 US Federal Census — Audubon-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01137-00906)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elvin M. Cole | 70 | Head | Beekeeping | Kansas |
| 2 | Daniel E. Stamp | 60 | Head | Sexton | Illinois |
| 3 | Anna L. Stamp | 48 | Wife | — | Illinois |
| 4 | Harold Godlowe | 31 | Head | Trucker C.C.C. | Iowa |
| 5 | Mable Godlowe | 28 | Wife | — | Iowa |
| 6 | Arthur E. Godwin | 54 | Head | Carpenter | Iowa |
| 7 | Metta M. Godwin | 45 | Wife | — | Texas |
| 8 | Charles R. Godwin | 19 | Son | — | Iowa |
| 9 | Arthur L. Godwin | 17 | Son | Salesman | Iowa |
| 10 | William E. Godwin | 11 | Son | — | Iowa |
| 11 | Janice L. Godwin | 9 | Daughter | — | Iowa |
| 12 | Allen R. Godwin | 13 | Son | — | Iowa |
| 13 | La Verne D. Williamson | 29 | Head | Manager | Iowa |
| 14 | Phyllis J. Williamson | 25 | Wife | — | Iowa |
| 15 | Rebecca J. Williamson | 5 | Daughter | — | Iowa |
| 16 | Gary L. Williamson | 4 | Son | — | Iowa |
| 17 | Sandra S. Williamson | 2 | Daughter | — | Iowa |
| 18 | Sam Luther | 73 | Head | Farmer | Germany |
| 19 | Katy Luther | 74 | Wife | — | Germany |
| 20 | Helen L. Luther | 29 | Daughter | — | Iowa |
| 21 | Mike Jr. Nelson | 54 | Head | Farmer | Iowa |
| 22 | Greta M. Nelson | 52 | Wife | — | Iowa |
| 23 | Leonard M. Nelson | 29 | Son | Laborer | Iowa |
| 24 | Donald E. Nelson THIS PERSON | 19 | Son | Carpenter | Iowa |
| 25 | Loretta M. Nelson | 8 | Daughter | — | Iowa |
| 26 | Alfred E. Erbelsheiser | 49 | Head | Truck Driver | Iowa |
| 27 | Anna M. Erbelsheiser | 50 | Wife | — | Iowa |
| 28 | Audrey E. Erbelsheiser | 19 | Daughter | Dish Washer | Iowa |
| 29 | Marvin D. Erbelsheiser | 6 | Son | — | Iowa |
| 30 | Mary O. Hollenbeck | 39 | Head | Night Operator | Iowa |
| 31 | Carlos Hollenbeck | 16 | Son | — | Iowa |
| 32 | Joan Y. Hollenbeck | 13 | Daughter | — | Iowa |
| 33 | Norma J. Hollenbeck | 9 | Daughter | — | Iowa |
| 34 | Gladys Mosey | 20 | Lodger | Operator | Iowa |
| 35 | Donald R. Ehlert | 26 | Head | Manager | Iowa |
| 36 | Phyllis M. Ehlert | 18 | Wife | 540 | Iowa |
| 37 | Donald R. Ehlert | 0 | Son | — | Iowa |
| 38 | Robert L. Ehlert | 0 | Son | — | Iowa |
| 39 | John M. Jensen | 33 | Head | Carpenter | Iowa |
| 40 | Mamie B. Jensen | 25 | Wife | — | Oklahoma |
Pedigree Summary
Donald + 2 siblings
Gen 1 · 5 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)