ON
Oscar Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Goodhue-County, Minnesota
Our Model Tree links this Oscar Nelson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Goodhue-County, Minnesota (XGBoost, ~Confirmed), with identified parents Henry & Mary — first a head (b.~1888), then head of a 4-person household.
Age 52
b. ~1888
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Goodhue-County, Minnesota |
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Red Wing |
| 1935 Residence (County) | Goodhue |
| Additional Details | |
| Occupation | Plumbing |
| Industry | Own business |
| Class of Worker | OA |
| Hours Worked | 39 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Plumbing |
| Township / Ward | Red Wing |
| Est. Birth Year | ~1888 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Myrtle Nelson | Daughter | — | 28 | ~1912 |
| Ethel Nelson | Daughter | — | 23 | ~1917 |
| Oscar Nelson | Head | — | 52 | ~1888 |
| Bertha Nelson | Spouse | — | 52 | ~1888 |
Census Appearances
1900
Goodhue, Minnesota
Son, age 13
Goodhue, Minnesota · implied b. ~1887 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Birth Month | Apr |
| Birth Year | 1887 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1910
Goodhue, Minnesota
Son, age 24
Goodhue, Minnesota · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Farm |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Goodhue, Minnesota
Other, age 33
Goodhue, Minnesota · implied b. ~1887 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Oscar E. |
| Relationship to Head | nephew |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Goodhue, Minnesota
Head, age 42
Goodhue, Minnesota · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 23 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Plumber |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | 6000 |
| Home Value / Rent | R |
| Veteran | O |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Goodhue-County, Minnesota
Head, age 52
Goodhue-County, Minnesota · implied b. ~1888 — 4 household members
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Red Wing |
| 1935 Residence (County) | Goodhue |
| Occupation | Plumbing |
| Industry | Own business |
| Class of Worker | OA |
| Hours Worked | 39 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Nelson (~0.92 confidence) and mother Mary Nelson (~0.92 confidence) and father Clarence Nelson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Nelson
b. ~1846
Source father
● Household
· direct · ~0.92
Mother
Mary Nelson
b. ~1846
Source mother
● Household
· direct · ~0.92
Father
Clarence Nelson
b. ~1855
Source father
● Household
· direct · ~0.92
This person
Anchor record
Oscar Nelson
Head · 1940 · age 52 · b. ~1888 · 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 — Goodhue-County, Minnesota
Open full size
1940 US Federal Census — Goodhue-County, Minnesota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01923-00543)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Janice Diercks | 6 | Daughter | — | Minnesota |
| 42 | Joan Diercks | 1 | Daughter | — | Minnesota |
| 43 | Fred Boatman | 64 | Head | Mail Carrier | Minnesota |
| 44 | Ida S. Boatman | 60 | Wife | — | Minnesota |
| 45 | Jeanette Boatman | 28 | Daughter | Telephone Opr. | Minnesota |
| 46 | Harvey Garrett | 27 | Lodger | Route Salesman | Kansas |
| 47 | Wm. Schefler | 58 | Head | Butcher | Minnesota |
| 48 | Caroline Schefler | 58 | Wife | — | Minnesota |
| 49 | John Schefler | 38 | Son | Farm Laborer | Minnesota |
| 50 | Ernest Hoffman | 48 | Head | Painter | Minnesota |
| 51 | Emma Hoffman | 40 | Wife | — | Germany |
| 52 | Helmuth Gorrik | 14 | Step-son | — | Germany |
| 53 | Oscar Nelson THIS PERSON | 52 | Head | Plumbing | Minnesota |
| 54 | Bertha Nelson | 52 | Wife | — | Wisconsin |
| 55 | Myrtle Nelson | 28 | Daughter | File Clerk | Minnesota |
| 56 | Ethel Nelson | 23 | Daughter | Beauty Operator | Minnesota |
| 57 | Enoch Johnson | 49 | Head | Gen. Repairing | Minnesota |
| 58 | Eva Johnson | 47 | Wife | — | Minnesota |
| 59 | Wm. E. Carlson | 64 | Head | Construct. Foreman | Minnesota |
| 60 | Fred Borg | 51 | Brother-in-law | — | Minnesota |
| 61 | Tony Classen | 70 | Head | Section Labor | Minnesota |
| 62 | Clara Classen | 35 | Wife | Stitcher | Minnesota |
| 63 | Lorraine Classen | 11 | Daughter | — | Minnesota |
| 64 | Morton Bjorkquist | 31 | Head | Ex. Secretary | Minnesota |
| 65 | Mildred Bjorkquist | 31 | Wife | — | Wisconsin |
| 66 | James Bjorkquist | 7 | Son | — | Minnesota |
| 67 | John Bjorkquist | 5 | Son | — | Minnesota |
| 68 | Fred Dammann | 39 | Head | Foreman | Minnesota |
| 69 | Hazel Dammann | 33 | Wife | — | Minnesota |
| 70 | Bernard Dammann | 7 | Son | — | Minnesota |
| 71 | Susan Larson | 56 | Mother-in-law | — | Wisconsin |
| 72 | Frank Rademacher | 53 | Head | — | Minnesota |
| 73 | Hilda Rademacher | 45 | Wife | — | Minnesota |
| 74 | Jane Rademacher | 14 | Daughter | — | Minnesota |
| 75 | John Marks | 39 | Head | Foreman | Minnesota |
| 76 | Lydia Marks | 44 | Wife | — | Minnesota |
| 77 | Clark Crandall | 36 | Head | Salesman | Minnesota |
| 78 | Helen Crandall | 37 | Wife | — | Minnesota |
| 79 | Joseph Hinze | 44 | Head | Ice Cream Maker | Minnesota |
Pedigree Summary
Oscar
Gen 1 · 3 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)