CJ
Clarence Johnson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Clarence Johnson across the 1900, 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Frank & Robert — first a son (b.~1895), then head of a 6-person household.
Age 25
b. ~1895
Male
Son
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Hardware Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Bookkeeper |
| Township / Ward | City Of Chicago |
| Est. Birth Year | ~1895 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Johnson | Daughter | — | 20 | ~1900 |
| Frank Johnson | Head | — | 61 | ~1859 |
| John Anderson | Other | — | 25 | ~1895 |
| Edward Johnson | Son | — | 27 | ~1893 |
| Clarence Johnson | Son | — | 25 | ~1895 |
| Nora Johnson | Spouse | — | 54 | ~1866 |
Census Appearances
1900
Cook, Illinois
Son, age 5
Cook, Illinois · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | July |
| Birth Year | 1895 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Cook, Illinois
Son, age 14
Cook, Illinois · implied b. ~1896 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clarence J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 25
Cook, Illinois · implied b. ~1895 — 6 household members
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Bookkeeper |
| Industry | Hardware Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| 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 Clarence Johnson across 3 US Census years (1900, 1910 and 1920) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Frank Johnson (~0.92 confidence) and father Robert Johnson (~0.92 confidence) and father Victor Johnson (~0.92 confidence) and mother Nora Johnson (~0.92 confidence) and mother Carolina Johnson (~0.92 confidence) and mother Dorthea Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Johnson
b. ~1859
Source father
● Household
· direct · ~0.92
Father
Robert Johnson
b. ~1850
Source father
● Household
· direct · ~0.92
Father
Victor Johnson
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Nora Johnson
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Carolina Johnson
b. ~1857
Source mother
● Household
· direct · ~0.92
Mother
Dorthea Johnson
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Johnson
Son · 1920 · age 25 · b. ~1895 · Illinois
★ You are viewing this record
Sibling
Eleanor Johnson
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Johnson
Sibling · 1920 · age 27
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:1920:14thcensusofpopu325unit:0178)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Tauber | 25 | Wife | — | Hungary |
| 2 | Elizabeth Tauber | 17 | Daughter | Stenographer | Hungary |
| 3 | Joe Tauber | 15 | Son | — | Hungary |
| 4 | William C. Tauber | 9 | Son | — | Illinois |
| 5 | Dorothy Tauber | 7 | Daughter | — | Illinois |
| 6 | Michael Ritzow | 50 | Head | Tool Maker | Germany |
| 7 | Lucy Ritzow | 47 | Wife | — | Illinois |
| 8 | Richard Ritzow | 17 | Son | — | Illinois |
| 9 | Aloysius Ritzow | 14 | Son | — | Illinois |
| 10 | Caritta Ritzow | 11 | Daughter | — | Illinois |
| 11 | Angela Ritzow | 9 | Daughter | — | Illinois |
| 12 | Marie Bergs | 31 | Sister-in-law | Machine Operator | Illinois |
| 13 | Matthew Schaefer | 37 | Head | Patternmaker | Illinois |
| 14 | Theresa Schaefer | 34 | Wife | — | Illinois |
| 15 | Theresa Schaefer | 12 | Daughter | — | Illinois |
| 16 | Eugene Schaefer | 10 | Son | — | Illinois |
| 17 | William Schaefer | 9 | Son | — | Illinois |
| 18 | Marcelline Schaefer | 8 | Daughter | — | Illinois |
| 19 | John M. Zimmermann | 51 | Head | Commercial Artist | Germany |
| 20 | Marie Zimmermann | 51 | Wife | — | Illinois |
| 21 | Marie Zimmermann | 28 | Daughter | Saleslady | Illinois |
| 22 | William Zimmermann | 26 | Son | Salesman | Illinois |
| 23 | John H. Zimmermann | 24 | Son | Underwear Sales | Illinois |
| 24 | Henry H. Zimmermann | 16 | Son | — | Illinois |
| 25 | August Heinrichs | 50 | Head | — | Metz Lorraine |
| 26 | Alma Heinrichs | 25 | Daughter | Cashier | Illinois |
| 27 | Margaret Heinrichs | 21 | Daughter | Operator | Illinois |
| 28 | Agnes Heinrichs | 16 | Daughter | Bookkeeper | Illinois |
| 29 | Gertrud Heinrichs | 14 | Daughter | — | Illinois |
| 30 | Olaf Mauritzen | 47 | Head | — | Denmark |
| 31 | Anna Marie Mauritzen | 45 | Wife | — | Denmark |
| 32 | Augusta Freudenberger | 26 | Daughter | — | Illinois |
| 33 | William Freudenberger | 30 | Son-in-law | Accountant | Iowa |
| 34 | Paul Mauritzen | 22 | Son | Chauffeur | Illinois |
| 35 | Christian Rauchwein | 80 | Head | — | Germany |
| 36 | Helene Rauchwein | 52 | Daughter | — | Illinois |
| 37 | Anton L. Loeff | 55 | Head | Mail Clerk | Germany |
| 38 | Anna Loeff | 47 | Wife | — | Illinois |
| 39 | Marcella Loeff | 16 | Daughter | — | Illinois |
| 40 | John Loeff | 13 | Son | — | Illinois |
| 41 | Edgar Reuter | 49 | Head | Bookkeeper | Illinois |
| 42 | Helen Reuter | 45 | Wife | — | Wisconsin |
| 43 | George Reuter | 17 | Son | Salesman | Illinois |
| 44 | Alice Bender | 13 | Niece | Helper | Illinois |
| 45 | Frank Johnson | 61 | Head | Station Master | Sweden |
| 46 | Nora Johnson | 54 | Wife | — | Sweden |
| 47 | Edward Johnson | 27 | Son | Machinist | Illinois |
| 48 | Clarence Johnson THIS PERSON | 25 | Son | Bookkeeper | Illinois |
| 49 | Eleanor Johnson | 20 | Daughter | Stenographer | Illinois |
| 50 | John Anderson | 25 | Boarder | Machinist | Sweden |
Pedigree Summary
Clarence + 2 siblings
Gen 1 · 6 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)