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Nels Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this Nels Anderson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 5-person household.
Age 66
b. ~1874
Male
Head
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodbury-County, Iowa |
| Surname | Anderson |
| Given Name | Nels |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Sergeant Bluff |
| 1935 Residence (County) | Woodbury |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Section foreman |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1344 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Occupation | Section Foreman |
| Township / Ward | Sergeant Bluff |
| Est. Birth Year | ~1874 |
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 Nels | Age | Birth yr |
|---|---|---|---|---|
| Gilbert Spencer | Other | — | ~1940 | |
| Lillian Spencer | Daughter | — | 23 | ~1917 |
| Gilbert Spencer | Other | — | 24 | ~1916 |
| Sofia Anderson | Spouse | — | 54 | ~1886 |
| Nels Anderson | Head | — | 66 | ~1874 |
Census Appearances
1900
Hennepin, Minnesota
Head, age 28
Hennepin, Minnesota · implied b. ~1872 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Nels |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Norway |
| Birth Month | Jan |
| Birth Year | 1872 |
| Year of Immigration | 1892 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Working at Lumber Co |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1910
Hennepin, Minnesota
Head, age 37
Hennepin, Minnesota · implied b. ~1873 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Nels |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Norway |
| Years Married | 13 |
| Year of Immigration | 1893 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1920
Woodbury, Iowa
Head, age 46
Woodbury, Iowa · implied b. ~1874 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Nels J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1894 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Foreman |
| Industry | RR Section |
| Class of Worker | S |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Norway |
| Year of Naturalization | 1907 |
| Birthplace (normalized) | norway |
1930
Woodbury, Iowa
Head, age 56
Woodbury, Iowa · implied b. ~1874 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Nels |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1893 |
| Age at First Marriage | 31 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | section boss |
| Industry | rail road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Woodbury-County, Iowa
Head, age 66
Woodbury-County, Iowa · implied b. ~1874 — 5 household members
| Surname | Anderson |
| Given Name | Nels |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Sergeant Bluff |
| 1935 Residence (County) | Woodbury |
| Naturalization Status | Naturalized |
| Occupation | Section foreman |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1344 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 Anderson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Nels Anderson
Head · 1940 · age 66 · b. ~1874 · 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 — Woodbury-County, Iowa
Open full size
1940 US Federal Census — Woodbury-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01216-00974)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carl O. Martin | 33 | Head | Owner | Kansas |
| 2 | Sylvia Martin | 48 | Wife | Owner | Kansas |
| 3 | James F. Martin | 16 | Son | Helper | Kansas |
| 4 | Donald S. Aalseth | 23 | Head | Laborer | Iowa |
| 5 | Grace O. Aalseth | 24 | Wife | — | Kansas |
| 6 | Shirley Aalseth | 3 | Daughter | — | Iowa |
| 7 | Lawrence Haakinson | 33 | Head | Farm Laborer | Iowa |
| 8 | Carrie Haakinson | 28 | Wife | — | Iowa |
| 9 | Burton A. Haakinson | 1 | Daughter | — | Iowa |
| 10 | James C. Driskill | 24 | Head | Pit Worker | New Mexico |
| 11 | Maurice Driskill | 23 | Wife | — | Kansas |
| 12 | Charlie Jensen | 60 | Head | Burner | Denmark |
| 13 | Emma Jensen | 60 | Wife | — | Iowa |
| 14 | Nels Anderson THIS PERSON | 66 | Head | Section Foreman | Norway |
| 15 | Sofia Anderson | 54 | Wife | — | Norway |
| 16 | Gilbert Spencer | 24 | Son-in-law | Laborer | Iowa |
| 17 | Lillian Spencer | 23 | Daughter | — | Iowa |
| 18 | Gilbert C. Spencer | 0 | Grandson | — | Iowa |
| 19 | Milton Brubaker | 28 | Head | Laborer | Iowa |
| 20 | Loretta Brubaker | 22 | Wife | — | Iowa |
| 21 | David Brubaker | 5 | Son | — | Iowa |
| 22 | Charlene Brubaker | 4 | Daughter | — | Iowa |
| 23 | Mildred Brubaker | 1 | Daughter | — | Iowa |
| 24 | Lyle G. Harber | 31 | Head | Brick Picker | Nebraska |
| 25 | Prudence Harber | 26 | Wife | — | Iowa |
| 26 | Lyle Harber | 9 | Son | — | Iowa |
| 27 | Ruby Harber | 7 | Son | — | Iowa |
| 28 | Robert J. Harber | 4 | Son | — | Iowa |
| 29 | Clyde Arnold | 42 | Head | Engineer | Iowa |
| 30 | Elsie Arnold | 36 | Wife | — | Nebraska |
| 31 | James D. Arnold | 9 | Son | — | Iowa |
| 32 | John Arnold | 8 | Son | Operator | Iowa |
| 33 | Joseph B. Arnold | 68 | Head | — | Iowa |
| 34 | Maurice Arnold | 35 | Son | — | Iowa |
| 35 | Myrtle Arnold | 31 | Daughter | — | Iowa |
| 36 | Marion Clayton | 33 | Head | — | Iowa |
| 37 | Betty J. Clayton | 4 | Daughter | — | Minnesota |
| 38 | Norma Clayton | 13 | Daughter | — | Minnesota |
| 39 | Charles E. Clayton | 11 | Son | — | Minnesota |
| 40 | Clifford E. Clayton | 9 | Son | — | Minnesota |
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)