CJ
Clarence Johnson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Henry, Illinois
Our Model Tree links this Clarence Johnson across the 1900, 1910 and 1920 US Censuses in Henry, Illinois (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a son (b.~1895), then head of a 7-person household.
Age 25
b. ~1895
Male
Son
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Henry, Illinois |
| Surname | Johnson |
| Given Name | Clarence O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Laborer |
| Industry | Gen. farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Bishop Hill Village |
| 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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Gladys Johnson | Daughter | — | 11 | ~1909 |
| Clara Johnson | Daughter | — | 14 | ~1906 |
| Frank Johnson | Head | — | 53 | ~1867 |
| Christina Johnson | Other | — | 88 | ~1832 |
| Clarence Johnson | Son | — | 25 | ~1895 |
| Lloyd Johnson | Son | — | 20 | ~1900 |
| Minnie Johnson | Spouse | — | 49 | ~1871 |
Census Appearances
1900
Henry, Illinois
Son, age 6
Henry, Illinois · implied b. ~1894 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clarence B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | Oct |
| Birth Year | 1894 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | At school |
| Can Read | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Henry, Illinois
Son, age 15
Henry, Illinois · implied b. ~1895 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farm laborer |
| Industry | Home farm |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Henry, Illinois
Son, age 25
Henry, Illinois · implied b. ~1895 — 7 household members
| Surname | Johnson |
| Given Name | Clarence O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Gen. farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Henry, Illinois, using XGBoost record linkage. Identified parents: father Frank Johnson (~0.92 confidence) and father Frank Johnson (~0.92 confidence) and mother Minnie Johnson (~0.92 confidence) and mother Minnie Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Johnson
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Frank Johnson
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Minnie Johnson
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Minnie Johnson
b. ~1871
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
Clara Johnson
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Johnson
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Johnson
Sibling · 1920 · age 11
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 — Henry, Illinois
Open full size
1920 US Federal Census — Henry, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu371unit:1030)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mount Cora Mallon | 65 | Wife | — | Illinois |
| 52 | Treece Ella Mallon | 18 | Grandson | — | Illinois |
| 53 | Margaret Hayden | 57 | Head | Telephone Opr | Illinois |
| 54 | Flossie L. Hayden | 18 | Daughter | Telephone Opr | Illinois |
| 55 | Ray W. Hayden | 10 | Son | — | Illinois |
| 56 | Sara E. Whitcomb | 77 | Head | — | Indiana |
| 57 | Lester A. Whitcomb | 43 | Son | Laborer | Illinois |
| 58 | Elizabeth Johnson | 43 | Head | — | Illinois |
| 59 | Treece John Johnson | 3 | Nephew | — | Illinois |
| 60 | Elizabeth Johnson | 7 | Daughter | — | Illinois |
| 61 | Andrew O. Olson | 46 | Head | Merchant | Illinois |
| 62 | Bloom Anna Olson | 69 | Sister | Housekeeper | Illinois |
| 63 | Henry L. Aldrich | 40 | Head | Blacksmith | Michigan |
| 64 | Lala E. Aldrich | 32 | Wife | — | Illinois |
| 65 | Henrietta L. Aldrich | 9 | Daughter | — | Illinois |
| 66 | Anna May Aldrich | 6 | Daughter | — | Illinois |
| 67 | Hans Sward | 65 | Head | — | Illinois |
| 68 | George L. Sward | 32 | Son | Laborer | Illinois |
| 69 | Andrew H. Carlson | 59 | Head | — | Sweden |
| 70 | Augusta Carlson | 57 | Wife | — | Sweden |
| 71 | Levern T. Carlson | 15 | Son | — | Illinois |
| 72 | Andrew P. Carlson | 15 | Son | — | Illinois |
| 73 | Viola H. Carlson | 19 | Daughter | Housemaid | Illinois |
| 74 | Robert E. Smith | 26 | Head | Laborer | Illinois |
| 75 | Nellie W. Smith | 24 | Wife | — | Illinois |
| 76 | Earl J. Smith | 6 | Son | — | Illinois |
| 77 | Leda R. Smith | 4 | Son | — | Illinois |
| 78 | Marie Smith | 2 | Daughter | — | Illinois |
| 79 | Thomas J. White | 41 | Head | Grain Salesman | Illinois |
| 80 | Rosie M. White | 33 | Wife | — | Illinois |
| 81 | Lester W. White | 15 | Son | — | Illinois |
| 82 | Perry W. White | 12 | Son | — | Illinois |
| 83 | Isabelle G. White | 10 | Daughter | — | Illinois |
| 84 | Edward W. White | 3 | Son | — | Illinois |
| 85 | Linnie Sebastian | 34 | Head | Farmer | Illinois |
| 86 | Anna Sebastian | 73 | Mother | — | Sweden |
| 87 | Ella O. Sebastian | 42 | Sister | — | Illinois |
| 88 | Alma C. Sebastian | 37 | Sister | — | Illinois |
| 89 | Andrew Sebastian | 77 | Uncle | Laborer | Sweden |
| 90 | Frank L. Johnson | 53 | Head | Farmer | Illinois |
| 91 | Minnie Johnson | 49 | Wife | — | Illinois |
| 92 | Clarence O. Johnson THIS PERSON | 25 | Son | Laborer | Illinois |
| 93 | Lloyd A. Johnson | 20 | Son | Laborer | Illinois |
| 94 | Clara M. Johnson | 14 | Daughter | — | Illinois |
| 95 | Gladys T. Johnson | 11 | Daughter | — | Illinois |
| 96 | Christina Johnson | 88 | Mother | — | Sweden |
| 97 | Carl J. Swanson | 53 | Head | Farmer | Sweden |
| 98 | Sara Swanson | 49 | Wife | — | Sweden |
| 99 | Alice S. Swanson | 25 | Daughter | Housemaid | Illinois |
| 100 | Carl O. Swanson | 21 | Son | Laborer | Illinois |
Pedigree Summary
Clarence + 3 siblings
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)