ON
Oscar Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Oscar Nelson across the 1910, 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents Karen & Carolyn — first a head (b.~1898), then head of a 3-person household.
Age 42
b. ~1898
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Occupation | Painter |
| Industry | building construction |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1420 |
| Highest Grade | 8 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Painter |
| Township / Ward | St Louis Park Village |
| Est. Birth Year | ~1898 |
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 Oscar | Age | Birth yr |
|---|---|---|---|---|
| Joan Nelson | Daughter | — | 5 | ~1935 |
| Oscar Nelson | Head | — | 42 | ~1898 |
| Signe Nelson | Spouse | — | 33 | ~1907 |
Census Appearances
1910
Hennepin, Minnesota
Son, age 10
Hennepin, Minnesota · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Oscar A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Hennepin, Minnesota
Son, age 21
Hennepin, Minnesota · implied b. ~1899 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Labor |
| Industry | Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Hennepin, Minnesota
Head, age 31
Hennepin, Minnesota · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Oscar E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 22 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Salesman |
| Industry | Wholesale Meat |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7500 |
| Radio Set | R |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Head, age 42
Hennepin-County, Minnesota · implied b. ~1898 — 3 household members
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Occupation | Painter |
| Industry | building construction |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1420 |
| Highest Grade | 8 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Oscar Nelson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Karen Nelson (~0.92 confidence) and mother Carolyn Nelson (~0.92 confidence) and father John Nelson (~0.92 confidence) and father Olaf Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Karen Nelson
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Carolyn Nelson
b. ~1870
Source mother
● Household
· direct · ~0.92
Father
John Nelson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Olaf Nelson
b. ~1876
Source father
● Household
· direct · ~0.92
This person
Anchor record
Oscar Nelson
Head · 1940 · age 42 · b. ~1898 · Minnesota
★ 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 — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01926-00576)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jessie Nelson | 58 | Head | — | New York |
| 42 | Forrest Nelson | 28 | Son | Service Man | S. Dakota |
| 43 | John P. Seeliger | 57 | Head | — | Minnesota |
| 44 | Effie Seeliger | 54 | Wife | — | Minnesota |
| 45 | John P. Jr. Seeliger | 22 | Son | — | Minnesota |
| 46 | Caroline Kirschman | 35 | Head | Bookkeeper | Minnesota |
| 47 | Peter Meisneburg | 71 | Father | Salesman | Minnesota |
| 48 | Christine Meisneburg | 68 | Mother | — | Minnesota |
| 49 | Oscar Nelson THIS PERSON | 42 | Head | Painter | Minnesota |
| 50 | Signe Nelson | 33 | Wife | — | Minnesota |
| 51 | Joan Nelson | 5 | Daughter | — | Minnesota |
| 52 | William Martin | 55 | Head | Treasurer | Minnesota |
| 53 | Jane Martin | 51 | Wife | — | Minnesota |
| 54 | Jane A. Martin | 27 | Daughter | Typist | Minnesota |
| 55 | William Martin | 23 | Son | — | Minnesota |
| 56 | Gordon M. Martin | 18 | Son | — | Minnesota |
| 57 | Nancy Ann Martin | 11 | Daughter | — | Minnesota |
| 58 | Paul Allan Martin | 11 | Son | — | Minnesota |
| 59 | Orrin C. Henderson | 30 | Head | Assistant Auditor | Minnesota |
| 60 | Leona Henderson | 30 | Wife | — | Minnesota |
| 61 | Marjorie Tate | 31 | Lodger | Typist | Minnesota |
| 62 | Margaret Halan | 42 | Head | — | Minnesota |
| 63 | Lawrence Halan | 16 | Son | Clerk | Minnesota |
| 64 | William Halan | 15 | Son | — | Minnesota |
| 65 | Marilyn Halan | 13 | Daughter | — | Minnesota |
| 66 | Richard Halan | 10 | Son | — | Minnesota |
| 67 | Nancy Halan | 7 | Daughter | — | Minnesota |
| 68 | George Schuler | 26 | Head | Utility Man | Minnesota |
| 69 | Joyce Schuler | 18 | Daughter | — | Minnesota |
| 70 | Alice Denny | 71 | Mother | — | Wisconsin |
| 71 | Joe Smith | 49 | Head | Proprietor | Minnesota |
| 72 | Bertha Smith | 34 | Wife | — | Minnesota |
| 73 | Earl Runde | 44 | Head | Instructor | Minnesota |
| 74 | Josephine Runde | 45 | Wife | — | Wisconsin |
| 75 | Harry Forshier | 38 | Head | Laborer | Iowa |
| 76 | Viola Forshier | 36 | Wife | — | Wisconsin |
| 77 | Kenneth Forshier | 13 | Son | — | Minnesota |
| 78 | Beverly Forshier | 5 | Daughter | — | Minnesota |
| 79 | W. Clark | 36 | Head | Clerk Order | Wisconsin |
| 80 | Florence Clark | 49 | Wife | — | South Dakota |
Pedigree Summary
Oscar
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)