HN
Helen Nelson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Knox, Illinois
Our Model Tree links this Helen Nelson across the 1920, 1930 and 1940 US Censuses in Knox, Illinois (XGBoost, ~Confirmed), with identified parents Olof & Ida — first a head (b.~1910), then head of a 2-person household.
Age 10
b. ~1910
Female
Head
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Knox, Illinois |
| Surname | Nelson |
| Given Name | Helen |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Henderson Township |
| Est. Birth Year | ~1910 |
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.
2 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Nelson | Head | — | 10 | ~1910 |
| Gale Nelson | Son | — | 7 | ~1913 |
Census Appearances
1920
Knox, Illinois
Head, age 10
Knox, Illinois · implied b. ~1910 — 2 household members
| Surname | Nelson |
| Given Name | Helen |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Knox, Illinois
Other, age 21
Knox, Illinois · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Helen |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Bookkeeper |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Knox-County, Illinois
Daughter, age 33
Knox-County, Illinois · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Galesburg City |
| 1935 Residence (County) | Knox |
| Occupation | Stenographer |
| Industry | Law Office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Olof Engman (~0.92 confidence) and mother Ida Engman (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Olof Engman
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Ida Engman
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Nelson
Head · 1920 · age 10 · b. ~1910 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Knox, Illinois
Open full size
1920 US Federal Census — Knox, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu380unit:0348)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | George Peterson | 51 | Head | Farmer | Sweden |
| 52 | Anna Carlson | 58 | Housekeeper | Housekeeper | Sweden |
| 53 | Arthur Swanson | 17 | Hired Man | Laborer | Illinois |
| 54 | John Wenstrom | 62 | Head | Farmer | Sweden |
| 55 | Emily Wenstrom | 56 | Wife | — | Sweden |
| 56 | Edgar Wenstrom | 15 | Son | — | Illinois |
| 57 | Smith Rose | 65 | Head | Farmer | New York |
| 58 | Ray Rose | 32 | Son | Assistant | Illinois |
| 59 | Edna Rose | 39 | Daughter | Housekeeper | Illinois |
| 60 | William Triplett | 38 | Head | Farmer | Missouri |
| 61 | Annie Triplett | 30 | Wife | — | Texas |
| 62 | Joseph Triplett | 12 | Son | — | Illinois |
| 63 | Frances Triplett | 10 | Daughter | — | Illinois |
| 64 | Vonciel Triplett | 4 | Daughter | — | Illinois |
| 65 | William Jr Triplett | 2 | Son | — | Illinois |
| 66 | Annie Triplett | 0 | Daughter | — | Illinois |
| 67 | Henry Nelson | 39 | Head | Farmer | Illinois |
| 68 | Lillian Nelson | 33 | Wife | — | Illinois |
| 69 | Helen Nelson THIS PERSON | 10 | Head | — | Illinois |
| 70 | Gale Nelson | 7 | Son | — | Illinois |
| 71 | Leona Nelson | 4 | Head | — | Illinois |
| 72 | Ernest Nelson | 2 | Son | — | Illinois |
| 73 | Arthur Nelson | 0 | Son | — | Illinois |
| 74 | A. D. Hickman | 52 | Head | Farmer | Illinois |
| 75 | John A Maxwell | 45 | Head | Mail Carrier | Illinois |
| 76 | Mrs J. A. Maxwell | 36 | Wife | — | Virginia |
| 77 | John Jr Maxwell | 6 | Son | — | Illinois |
| 78 | Virginia Maxwell | 5 | Daughter | — | Illinois |
| 79 | George Findon | 41 | Head | Farmer | Ohio |
| 80 | Hattie Findon | 36 | Wife | — | Illinois |
| 81 | Margaret Findon | 12 | Daughter | — | Illinois |
| 82 | Glenn Findon | 16 | Son | — | Illinois |
| 83 | Eugene Findon | 9 | Son | — | Illinois |
| 84 | Mary Findon | 6 | Daughter | — | Illinois |
| 85 | Virginia Findon | 4 | Daughter | — | Illinois |
| 86 | George R Findon | 1 | Son | — | Illinois |
| 87 | Alice Hickman | 49 | — | — | Ohio |
| 88 | James Grindom | 5 | Nephew | — | Illinois |
| 89 | Joseph Johnson | 29 | Head | Farmer | Illinois |
| 90 | Eva Johnson | 27 | Wife | — | Illinois |
| 91 | Wilbur Johnson | 7 | Son | — | Illinois |
| 92 | Mable Johnson | 6 | Daughter | — | Illinois |
| 93 | Owen Kelly | 39 | Head | Laborer | Illinois |
| 94 | Margaret Kelly | 33 | Wife | Laborer | Illinois |
| 95 | William Collopy | 52 | Boarder | Laborer | Illinois |
| 96 | Fred Collopy | 26 | Boarder | Laborer | Illinois |
| 97 | Robert Tornquist | 11 | Boarder | — | Illinois |
| 98 | Albert Cooksey | 36 | Head | Farmer | Illinois |
| 99 | Ada Cooksey | 44 | Wife | — | Illinois |
| 100 | Margaret Cooksey | 6 | Daughter | — | Illinois |
Pedigree Summary
Helen
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 1920 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)