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Helen Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Helen Nelson across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Andrew & Hilma — first a spouse (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Female
Spouse
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Nelson |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Industry | 1400 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Denver City |
| Est. Birth Year | ~1906 |
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 |
|---|---|---|---|---|
| Emily Nelson | Daughter | — | 10 | ~1930 |
| George Nelson | Head | — | 35 | ~1905 |
| G Nelson | Son | — | 7 | ~1933 |
| Helen Nelson | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Denver, Colorado
Daughter, age 16
Denver, Colorado · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Helen E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Daughter, age 25
Denver, Colorado · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Helen E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Teacher |
| Industry | Commercial College |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Spouse, age 34
Denver-County, Colorado · implied b. ~1906 — 4 household members
| Surname | Nelson |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Industry | 1400 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Andrew Nelson (~0.92 confidence) and mother Hilma Nelson (~0.92 confidence) and father Ernest Nelson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Nelson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Hilma Nelson
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Ernest Nelson
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen Nelson
Spouse · 1940 · age 34 · b. ~1906 · Colorado
★ 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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
30 people indexed on this census page (nara:1940:m-t0627-00492-00314)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Mascareñas | 41 | Head | Laborer | New Mexico |
| 42 | Pablita Mascareñas | 31 | Wife | — | New Mexico |
| 43 | Cecilia Mascareñas | 12 | Daughter | — | Colorado |
| 44 | Martha Mascareñas | 11 | Daughter | — | Colorado |
| 45 | Daniel Mascareñas | 7 | Son | — | Colorado |
| 46 | Isabel Mascareñas | 4 | Daughter | — | Colorado |
| 47 | Lorenzo Lujan | 57 | In-law | — | New Mexico |
| 48 | Margarito Arellano | 41 | Head | Laborer | New Mexico |
| 49 | Nicholasa Arellano | 40 | Wife | — | New Mexico |
| 50 | Carl Bible | 56 | Head | Clerk | Colorado |
| 51 | Florence Bible | 58 | Wife | — | Colorado |
| 52 | Edward Bible | 22 | Son | Clerk | Colorado |
| 53 | Anna M. Bible | 19 | Daughter | — | Colorado |
| 54 | William Cox | 86 | Head | — | Nebraska |
| 55 | Belle Cox | 67 | Wife | — | Nebraska |
| 56 | Roscoe Cox | 18 | Son | Laborer | Nebraska |
| 57 | Max Daitz | 61 | Head | Machinist | Germany |
| 58 | Adeline Daitz | 59 | Wife | — | Germany |
| 59 | James E. Moe | 53 | Head | Brakeman | Kansas |
| 60 | Zeda Moe | 60 | Wife | — | Ohio |
| 61 | Wilson J. Scott | 34 | Head | Pressman | Colorado |
| 62 | Mary Scott | 34 | Wife | — | Colorado |
| 63 | John Scott | 10 | Son | — | Colorado |
| 64 | George Nelson | 35 | Head | Operator | Colorado |
| 65 | Helen Nelson THIS PERSON | 34 | Wife | — | Colorado |
| 66 | Emily Nelson | 10 | Daughter | — | Colorado |
| 67 | G. Kay Nelson | 7 | Son | — | Colorado |
| 68 | George Browne | 60 | Head | Brakeman | Ohio |
| 69 | Sadie Browne | 59 | Wife | — | Ohio |
| 70 | Anna Browne | 25 | Daughter | Clerk | Colorado |
Pedigree Summary
Helen
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)