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Helen Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Helen Nelson across the 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents Gunder & Oscar — first a daughter (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Nelson |
| Given Name | Helen M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | MINNEAPOLIS |
| 1935 Residence (County) | HENNEPIN |
| Additional Details | |
| Occupation | Contometer |
| Industry | Mail Order |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Contometer |
| Township / Ward | Minneapolis |
| Est. Birth Year | ~1909 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Nellie Nelson | Daughter | — | 27 | ~1913 |
| Helen Nelson | Daughter | — | 31 | ~1909 |
| Oscar Nelson | Head | — | 57 | ~1883 |
| Walter Nelson | Son | — | 29 | ~1911 |
Census Appearances
1920
Hennepin, Minnesota
Daughter, age 9
Hennepin, Minnesota · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Hennepin, Minnesota
Daughter, age 20
Hennepin, Minnesota · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Minnesota |
| Occupation | Waitress |
| Industry | Hotel |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Daughter, age 31
Hennepin-County, Minnesota · implied b. ~1909 — 4 household members
| Surname | Nelson |
| Given Name | Helen M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | MINNEAPOLIS |
| 1935 Residence (County) | HENNEPIN |
| Occupation | Contometer |
| Industry | Mail Order |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| 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 Helen Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gunder Nelson (~0.92 confidence) and father Oscar Nelson (~0.92 confidence) and mother Ida Nelson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gunder Nelson
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Oscar Nelson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Ida Nelson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Nelson
Daughter · 1940 · age 31 · b. ~1909 · Minnesota
★ You are viewing this record
Sibling
Nellie Nelson
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Nelson
Sibling · 1940 · age 29
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 — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01983-00563)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jerome F Nyquist | 9 | Son | — | Minnesota |
| 42 | John H Nyquist | 47 | Head | Cashier | Minnesota |
| 43 | Sena N Nyquist | 41 | Wife | — | Minnesota |
| 44 | Carol J Nyquist | 15 | Daughter | — | Minnesota |
| 45 | Oscar Nelson | 57 | Head | Brick Layer | Sweden |
| 46 | Nellie C Nelson | 27 | Daughter | New Worker | Minnesota |
| 47 | Helen M Nelson THIS PERSON | 31 | Daughter | Contometer | Minnesota |
| 48 | Walter O Nelson | 29 | Son | Service Man | Minnesota |
| 49 | John W Sleizer | 64 | Head | Proprietor | Germany |
| 50 | Carolyne Sleizer | 62 | Wife | — | Germany |
| 51 | Laura J Sleizer | 36 | Daughter | Bookkeeper | Minnesota |
| 52 | Irene G Sleizer | 29 | Daughter | Clerk Cigar-Candy | Minnesota |
| 53 | Beatrice M Sleizer | 26 | Daughter | Saleslady | Minnesota |
| 54 | Harriet M Sleizer | 22 | Daughter | New Worker | Minnesota |
| 55 | Frederick C Sleizer | 38 | Son | Cashier | Minnesota |
| 56 | Charles L Bartholomew | 71 | Head | Dean | Iowa |
| 57 | Florence B Bartholomew | 38 | Wife | — | Minnesota |
| 58 | Anthony J Wiemiller | 35 | Friend | Operator Punch Press | Minnesota |
| 59 | Celia A Wiemiller | 32 | Friend | — | Minnesota |
| 60 | Raymond B Dahl | 46 | Head | Trav. Salesman | Minnesota |
| 61 | Marion Dahl | 39 | Wife | — | Wisconsin |
| 62 | Jean E Dahl | 15 | Daughter | — | Minnesota |
| 63 | Marie Wahlman | 75 | Aunt | — | Sweden |
| 64 | Adelbert J Mead | 48 | Head | Trav. Salesman | Nebraska |
| 65 | Clara A Mead | 47 | Wife | — | Nebraska |
| 66 | Robert F Mead | 17 | Son | — | Nebraska |
| 67 | Palma M Nulty | 45 | Sister in law | Stenographer | Nebraska |
| 68 | Carla P Nulty | 11 | Niece | — | Minneapolis |
| 69 | Ada M Whalen | 40 | Daughter in law | — | Germany |
| 70 | Helen Johnson | 46 | Sister in law | — | Minnesota |
| 71 | Elsie M Whalen | 28 | Daughter | Stenographer | Minnesota |
| 72 | Samuel Balkin | 40 | Head | — | Poland |
| 73 | Opal L Krueger | 25 | Servant | Servant | Iowa |
| 74 | Beatrice M Blackketter | 20 | Servant | Servant | Minnesota |
| 75 | Ione O Waller | 20 | Servant | Servant | Minnesota |
| 76 | Paul Johnson | 42 | Brother in law | Missionary | Minnesota |
| 77 | Elin Johnson | 42 | Sister | Missionary | Sweden |
| 78 | June Johnson | 17 | Niece | — | China |
| 79 | Donald Johnson | 16 | Nephew | — | China |
Pedigree Summary
Helen + 2 siblings
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)