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Nels Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wapello-County, Iowa
Our Model Tree links this Nels Nelson across the 1920, 1930 and 1940 US Censuses in Wapello-County, Iowa (XGBoost, ~Confirmed), with identified parents Nels & Nels — first a son (b.~1901), then head of a 3-person household.
Age 39
b. ~1901
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wapello-County, Iowa |
| Surname | Nelson |
| Given Name | Nels |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Ottumwa City |
| 1935 Residence (County) | Wapello County |
| Additional Details | |
| Occupation | laborer |
| Industry | meat packing |
| Class of Worker | PW |
| Hours Worked | 34 |
| Income (1939) | 1250 |
| Highest Grade | H-1 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Ottumwa City |
| Est. Birth Year | ~1901 |
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 Nels | Age | Birth yr |
|---|---|---|---|---|
| Mina Nelson | Head | — | 64 | ~1876 |
| Hugo Nelson | Son | — | 41 | ~1899 |
| Nels Nelson | Son | — | 39 | ~1901 |
Census Appearances
1920
Wapello, Iowa
Son, age 19
Wapello, Iowa · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Nels V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Packing Plant |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Wapello, Iowa
Son, age 29
Wapello, Iowa · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Nels E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Iowa |
| Age at First Marriage | 29 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Iowa |
| Occupation | Time-keeper |
| Industry | Packing plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Wapello-County, Iowa
Son, age 39
Wapello-County, Iowa · implied b. ~1901 — 3 household members
| Surname | Nelson |
| Given Name | Nels |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Ottumwa City |
| 1935 Residence (County) | Wapello County |
| Occupation | laborer |
| Industry | meat packing |
| Class of Worker | PW |
| Hours Worked | 34 |
| Income (1939) | 1250 |
| Highest Grade | H-1 |
| 1935 Residence | Same house |
| 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 Nels Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nels Nelson (~0.92 confidence) and father Nels Nelson (~0.92 confidence) and mother Elsie Nelson (~0.92 confidence) and mother Mina Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Nelson
b. ~1864
Source father
● Household
· direct · ~0.92
Father
Nels Nelson
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Elsie Nelson
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Mina Nelson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Nels Nelson
Son · 1940 · age 39 · b. ~1901 · Iowa
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Sibling
Hugo Nelson
Sibling · 1940 · age 41
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 — Wapello-County, Iowa
Open full size
1940 US Federal Census — Wapello-County, Iowa
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-01209-00781)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lorraine B. Viler | 38 | Wife | — | Iowa |
| 42 | Margaret Viler | 17 | Daughter | — | Iowa |
| 43 | Margaret Burdett | 84 | Mother-in-law | — | Iowa |
| 44 | M. C. Mccanala | 55 | Head | Laborer | Iowa |
| 45 | Anna Mccanala | 54 | Wife | — | Sweden |
| 46 | Helen Mccanala | 21 | Daughter | Laborer | Iowa |
| 47 | Merrill A. Mccanala | 19 | Son | Laborer | Iowa |
| 48 | Donna Mccanala | 7 | Daughter | — | Iowa |
| 49 | Harold Goodwin | 23 | Head | Stockman | Iowa |
| 50 | Evelyn Goodwin | 25 | Wife | — | Iowa |
| 51 | Gary Goodwin | 2 | Son | — | Iowa |
| 52 | Roger Goodwin | 0 | Son | — | Iowa |
| 53 | Charles Albin | 40 | Head | Preacher | Kansas |
| 54 | Oca Albin | 40 | Wife | — | Pennsylvania |
| 55 | Kathleen Albin | 4 | Daughter | — | Illinois |
| 56 | Lavanne Albin | 1 | Daughter | — | Iowa |
| 57 | Mina Nelson | 64 | Head | — | Iowa |
| 58 | Hugo Nelson | 41 | Son | Clerk | Iowa |
| 59 | Nels Nelson THIS PERSON | 39 | Son | Laborer | Iowa |
| 60 | A. J. Afford | 59 | Head | Painter | Missouri |
| 61 | Malinda Afford | 49 | Wife | — | Kentucky |
| 62 | Sidney Gose | 44 | Head | Laborer | Missouri |
| 63 | Gertrude Gose | 42 | Wife | — | Missouri |
| 64 | Kennell Gose | 18 | Son | — | Missouri |
| 65 | Harl Benney | 51 | Head | — | Iowa |
| 66 | Rosella Benney | 69 | Wife | — | Iowa |
| 67 | Edward Crook | 32 | Son-in-law | Laborer | Indiana |
| 68 | Edrea Crook | 32 | Daughter | — | Iowa |
| 69 | Shirley Crook | 6 | Granddaughter | — | Iowa |
| 70 | Ranson Sickels | 59 | Head | Fireman | Iowa |
| 71 | Lavina Sickels | 53 | Wife | — | Iowa |
| 72 | Annie Alta Sickels | 21 | Daughter | — | Iowa |
| 73 | Edward Sickels | 9 | Grandson | — | Iowa |
| 74 | Alice Sickels | 8 | Granddaughter | — | Iowa |
Pedigree Summary
Nels + 1 sibling
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)