ON
Oscar Nelson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Oscar Nelson across the 1900, 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Charles & Sophie — first a head (b.~1894), then head of a 4-person household.
Age 26
b. ~1894
Male
Head
Born: Illinois
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Switchman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Switchman |
| Township / Ward | Riverdale Village |
| Est. Birth Year | ~1894 |
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 1920 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Fay Nelson | Daughter | — | 1 | ~1919 |
| Virginia Nelson | Daughter | — | 7 | ~1913 |
| Oscar Nelson | Head | — | 26 | ~1894 |
| Esther Nelson | Spouse | — | 24 | ~1896 |
Census Appearances
1900
Cook, Illinois
Son, age 8
Cook, Illinois · implied b. ~1892 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | Oct |
| Birth Year | 1892 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | at School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Cook, Illinois
Son, age 17
Cook, Illinois · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Oscar J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | General |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Head, age 26
Cook, Illinois · implied b. ~1894 — 4 household members
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Illinois |
| Occupation | Switchman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| 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 Oscar Nelson across 3 US Census years (1900, 1910 and 1920) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Charles Nelson (~0.92 confidence) and mother Sophie Nelson (~0.92 confidence) and mother Augusta Nelson (~0.92 confidence) and father Andrew Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Nelson
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Sophie Nelson
b. ~1860
Source mother
● Household
· direct · ~0.92
Mother
Augusta Nelson
b. ~1865
Source mother
● Household
· direct · ~0.92
Father
Andrew Nelson
b. ~1868
Source father
● Household
· direct · ~0.92
This person
Anchor record
Oscar Nelson
Head · 1920 · age 26 · b. ~1894 · 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 — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu360unit:0314)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Julius Prader | 58 | Head | Laborer | Germany |
| 2 | Selma Prader | 57 | Wife | — | Germany |
| 3 | Fred Wells | 12 | Grandson | — | Illinois |
| 4 | William Crary | 32 | Head | Switchman | Vermont |
| 5 | Louise Crary | 28 | Wife | — | Illinois |
| 6 | William Jr. Crary | 3 | Son | — | Illinois |
| 7 | Catherine Crary | 2 | Daughter | — | Illinois |
| 8 | Paul Crary | 0 | Son | — | Illinois |
| 9 | Gustave Kottman | 31 | Head | Switchman | Wisconsin |
| 10 | Mae Kottman | 29 | Wife | — | Indiana |
| 11 | Willis Eckborn | 18 | Son | Fireman | Illinois |
| 12 | Thelma Eckborn | 11 | Daughter | — | Illinois |
| 13 | Conrad Goeringer | 33 | Head | Fireman | Russia |
| 14 | Katie Goeringer | 31 | Wife | — | Russia |
| 15 | Alvina Goeringer | 11 | Daughter | — | Colorado |
| 16 | Adaline Goeringer | 8 | Daughter | — | Illinois |
| 17 | Evalyn Goeringer | 2 | Daughter | — | Illinois |
| 18 | Henry Goss | 60 | Head | Engineer | Germany |
| 19 | Bertha Goss | 56 | Wife | — | Illinois |
| 20 | Arthur Goss | 23 | Son | Laborer | Illinois |
| 21 | Clara Goss | 19 | Daughter | Stenographer | Illinois |
| 22 | William Goss | 16 | Son | Office Clerk | Illinois |
| 23 | Edward Hemmer | 40 | Head | Teamster | Wisconsin |
| 24 | Caroline Hemmer | 34 | Wife | — | Illinois |
| 25 | Edward Hemmer | 14 | Son | — | Illinois |
| 26 | Lillian Hemmer | 12 | Daughter | — | Illinois |
| 27 | Margaret Hemmer | 10 | Daughter | — | Illinois |
| 28 | Violet Hemmer | 7 | Daughter | — | Illinois |
| 29 | Marion Hemmer | 1 | Daughter | — | Illinois |
| 30 | Herman Hanson | 48 | Head | Carpenter | Germany |
| 31 | Ida Hanson | 44 | Wife | — | Illinois |
| 32 | Ella Hanson | 19 | Daughter | Dressmaker | Illinois |
| 33 | Walter Hanson | 17 | Son | — | Illinois |
| 34 | Emil Hinchman | 60 | Head | — | Germany |
| 35 | Elsie Hinchman | 27 | Daughter | Teacher | Illinois |
| 36 | Edwin Hinchman | 22 | Son | Switchman | Illinois |
| 37 | John Strelow | 76 | Head | Laborer | Germany |
| 38 | Cora Strelow | 70 | Wife | — | Germany |
| 39 | Oscar Nelson THIS PERSON | 26 | Head | Switchman | Illinois |
| 40 | Esther Nelson | 24 | Wife | — | Illinois |
| 41 | Virginia Nelson | 7 | Daughter | — | Illinois |
| 42 | Fay Nelson | 1 | Daughter | — | Illinois |
| 43 | Oscar Legner | 30 | Head | Scale Man | Illinois |
| 44 | Ethel Legner | 27 | Wife | Janitress | Indiana |
| 45 | Lee Legner | 5 | Son | — | Indiana |
| 46 | William Ehlers | 29 | Head | Scale Man | Germany |
| 47 | Emma Ehlers | 26 | Wife | — | Illinois |
| 48 | William Ehlers | 3 | Son | — | Illinois |
| 49 | Henry Ehlers | 26 | Head | Track Walker | Illinois |
| 50 | Minnie Ehlers | 24 | Wife | — | Illinois |
Pedigree Summary
Oscar
Gen 1 · 4 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)