TN
Thomas Nelson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Thomas Nelson across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Marie — first a son (b.~1891), then head of a 5-person household.
Age 29
b. ~1891
Male
Son
Born: Denmark
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Nelson |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Denmark |
| Year of Immigration | 1915 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Contractor |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
| Occupation | Carpenter |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1891 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Olga Nelson | Daughter | — | 13 | ~1907 |
| Marie Nelson | Head | — | 52 | ~1868 |
| Nels Nelson | Son | — | 11 | ~1909 |
| Thomas Nelson | Son | — | 29 | ~1891 |
| Christ Nelson | Son | — | 19 | ~1901 |
Census Appearances
1920
Cook, Illinois
Son, age 29
Cook, Illinois · implied b. ~1891 — 5 household members
| Surname | Nelson |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Denmark |
| Year of Immigration | 1915 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Germany |
| Occupation | Carpenter |
| Industry | Contractor |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1930
Cook, Illinois
Head, age 38
Cook, Illinois · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nielsen |
| Given Name | Thomas C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Year of Immigration | 1915 |
| Age at First Marriage | 29 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Carpenter |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | R |
| Home Value / Rent | 75 |
| Radio Set | R |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1940
Cook-County, Illinois
Head, age 48
Cook-County, Illinois · implied b. ~1892 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nielsen |
| Given Name | Thomas |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Denmark |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | carpenter |
| Industry | building const |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 308 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
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 Thomas Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Marie Nelson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Marie Nelson
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Nelson
Son · 1920 · age 29 · b. ~1891 · Illinois
★ You are viewing this record
Sibling
Christ Nelson
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nels Nelson
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Olga Nelson
Sibling · 1920 · age 13
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
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:1920:14thcensusofpopu311unit:0826)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carol Kennedy | 4 | Son | — | Illinois |
| 2 | Florence Kennedy | 2 | Daughter | — | Illinois |
| 3 | John Cargill | 63 | Father-in-law | Painter | Indiana |
| 4 | Rose Cargill | 28 | Sister-in-law | Domestic | Illinois |
| 5 | Carl O Johnson | 43 | Head | Blacksmith Helper | Sweden |
| 6 | Betty Johnson | 47 | Wife | — | Sweden |
| 7 | Carl Johnson | 20 | Son | Assembler | Sweden |
| 8 | Frieda Johnson | 18 | Daughter | Bookkeeper | Sweden |
| 9 | Hannah Johnson | 16 | Daughter | Operator | Sweden |
| 10 | Andrew Riehm | 50 | Head | Upholsterer | Illinois |
| 11 | Amelia Riehm | 45 | Wife | — | Germany |
| 12 | Florence Riehm | 18 | Daughter | Trimmer | Illinois |
| 13 | Walter Riehm | 16 | Son | Laborer | Illinois |
| 14 | Helen Riehm | 15 | Daughter | — | Illinois |
| 15 | Ruth Riehm | 13 | Daughter | — | Illinois |
| 16 | Raymond Riehm | 10 | Son | — | Illinois |
| 17 | Mildred Riehm | 7 | Daughter | — | Illinois |
| 18 | Mat Novak | 52 | Head | Farmer | Austria |
| 19 | Katie Novak | 41 | Wife | — | Austria |
| 20 | George Novak | 17 | Son | Laborer | Austria |
| 21 | Ross Novak | 14 | Son | — | Nebraska |
| 22 | Nick Novak | 10 | Son | — | Nebraska |
| 23 | Annie Novak | 8 | Daughter | — | Nebraska |
| 24 | Kosta Starkovits | 43 | Head | Cabinet Maker | Serbia |
| 25 | Darinka Starkovits | 33 | Wife | — | Serbia |
| 26 | Mary Starkovits | 11 | Daughter | — | Illinois |
| 27 | Brilka Starkovits | 7 | Daughter | — | Illinois |
| 28 | Olga Starkovits | 5 | Daughter | — | Illinois |
| 29 | Marie Nelson | 52 | Head | — | Germany |
| 30 | Thomas Nelson THIS PERSON | 29 | Son | Carpenter | Denmark |
| 31 | Christ Nelson | 19 | Son | Mechanic | Denmark |
| 32 | Olga Nelson | 13 | Daughter | — | Denmark |
| 33 | Nels Nelson | 11 | Son | — | Denmark |
| 34 | Alex Peterson | 56 | Head | Engineer | Germany |
| 35 | Maria Peterson | 53 | Wife | — | Germany |
| 36 | Christina Peterson | 21 | Daughter | Stenographer | Illinois |
| 37 | Jens Peterson | 25 | Son | Car Builder | Illinois |
| 38 | Elizabeth Wilke | 19 | Boarder | Stenographer | Wisconsin |
| 39 | Albin Nelson | 51 | Head | Body Fitter | Sweden |
| 40 | Ina Nelson | 45 | Wife | — | Sweden |
| 41 | Edward Nelson | 22 | Son | Cashier | Illinois |
| 42 | Hettie Nelson | 19 | Daughter | Operator | Illinois |
| 43 | Vera Nelson | 16 | Daughter | Apprentice | Illinois |
| 44 | Bess Gorka | 30 | Head | Cleaner | Poland |
| 45 | Victoria Gorka | 43 | Wife | — | Poland |
| 46 | Frank Gorka | 8 | Son | — | Illinois |
| 47 | Florence Gorka | 6 | Daughter | — | Illinois |
| 48 | Lottie Gorka | 2 | Daughter | — | Illinois |
| 49 | Joe Zamba | 20 | Brother | Molder | Poland |
| 50 | Joe Zamba | 22 | Brother-in-law | Molder | Poland |
Pedigree Summary
Thomas + 3 siblings
Gen 1 · 1 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)