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Harold Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Harold Nelson across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents Peter & Ida — first a head (b.~1905), then head of a 6-person household.
Age 35
b. ~1905
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Nelson |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | Painter |
| Industry | Own shop |
| Class of Worker | OA |
| Hours Worked | 3 |
| Income (1939) | 40 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Painter |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1905 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Janet Nelson | Daughter | — | 6 | ~1934 |
| Ingrid Nelson | Daughter | — | 11 | ~1929 |
| Donna Nelson | Daughter | — | 2 | ~1938 |
| Harold Nelson | Head | — | 35 | ~1905 |
| Ronald Nelson | Son | — | 5 | ~1935 |
| Beryl Nelson | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Ramsey, Minnesota
Son, age 15
Ramsey, Minnesota · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Office Boy |
| Industry | Railroad Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Head, age 25
Ramsey, Minnesota · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 23 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Painter |
| Industry | Sign Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 22.50 |
| Radio Set | R |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Head, age 35
Ramsey-County, Minnesota · implied b. ~1905 — 6 household members
| Surname | Nelson |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Occupation | Painter |
| Industry | Own shop |
| Class of Worker | OA |
| Hours Worked | 3 |
| Income (1939) | 40 |
| Highest Grade | No 8 |
| 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 Harold Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Nelson (~0.92 confidence) and mother Ida Nelson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Nelson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Ida Nelson
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Nelson
Head · 1940 · age 35 · b. ~1905 · 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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01995-00071)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Esther Brown | 43 | Wife | — | Minnesota |
| 42 | Justin Brown | 20 | Son | Freight Checker | Minnesota |
| 43 | Robert Brown | 13 | Son | — | Minnesota |
| 44 | Joseph Hasselbeck | 32 | Head | Upholsterer | Minnesota |
| 45 | Pearl Hasselbeck | 23 | Wife | — | Minnesota |
| 46 | Joan Hasselbeck | 1 | Daughter | — | Minnesota |
| 47 | Arthur Dahlberg | 29 | Head | Clerk | Minnesota |
| 48 | Margaret Dahlberg | 26 | Wife | — | Minnesota |
| 49 | Carl Dahlberg | 3 | Son | — | Minnesota |
| 50 | Eugene Schmidt | 32 | Head | Mechanic | Minnesota |
| 51 | Estella Schmidt | 32 | Wife | — | Minnesota |
| 52 | Bernard Arndt | 59 | Head | Carpenter | Minnesota |
| 53 | Elsie Arndt | 56 | Wife | — | Minnesota |
| 54 | Henry Woodcock | 25 | Head | Attendant | Minnesota |
| 55 | Carmilla Woodcock | 25 | Wife | — | Minnesota |
| 56 | Harold Nelson THIS PERSON | 35 | Head | Painter | Minnesota |
| 57 | Beryl Nelson | 31 | Wife | — | Minnesota |
| 58 | Ingrid Nelson | 11 | Daughter | — | Minnesota |
| 59 | Janet Nelson | 6 | Daughter | — | Minnesota |
| 60 | Ronald Nelson | 5 | Son | — | Minnesota |
| 61 | Donna Nelson | 2 | Daughter | — | Minnesota |
| 62 | William Seifert | 35 | Head | Labor | Minnesota |
| 63 | Lucille Seifert | 35 | Wife | — | Minnesota |
| 64 | Beverly Seifert | 8 | Daughter | — | Minnesota |
| 65 | Patricia Seifert | 6 | Daughter | — | Minnesota |
| 66 | Howard Amundson | 37 | Head | Foreman | Wisconsin |
| 67 | Gertrude Amundson | 30 | Wife | — | Wisconsin |
| 68 | Helen Amundson | 14 | Daughter | — | Minnesota |
| 69 | Roger Amundson | 11 | Son | — | Minnesota |
| 70 | Jerry Amundson | 2 | Son | — | Minnesota |
| 71 | Joseph Stanton | 21 | Head | Clerk | Minnesota |
| 72 | Bernice Stanton | 19 | Wife | — | Minnesota |
| 73 | Steve Focht | 48 | Head | Buffer | Austria |
| 74 | Helen Focht | 46 | Wife | — | Austria |
| 75 | Steve Focht | 16 | Son | — | Minnesota |
| 76 | Harold Hughes | 42 | Head | Clerk | Wisconsin |
| 77 | Agnes Hughes | 39 | Wife | — | Wisconsin |
| 78 | Donald Hughes | 15 | Son | — | Minnesota |
| 79 | Barbara Hughes | 13 | Daughter | — | Minnesota |
| 80 | Eugene Hughes | 7 | Son | — | Minnesota |
Pedigree Summary
Harold
Gen 1 · 2 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)