WJ
William Johnson — 1920 US Census Record
Model Tree available1920 United States Federal Census · San Bernardino, California
Our Model Tree links this William Johnson across the 1900, 1910 and 1920 US Censuses in San Bernardino, California (XGBoost, ~Confirmed), with identified parents Sigmond & Godfrey — first a son (b.~1895), then head of a 5-person household.
Age 25
b. ~1895
Male
Son
Born: California
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | San Bernardino, California |
| Surname | Johnson |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Locomotive Fireman |
| Industry | Steam R.R. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Locomotive Fireman |
| Township / Ward | San Bernardino City |
| 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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Lillie Johnson | Daughter | — | 29 | ~1891 |
| Sigmond Johnson | Head | — | 65 | ~1855 |
| Charlie Johnson | Son | — | 27 | ~1893 |
| William Johnson | Son | — | 25 | ~1895 |
| Ardelia Johnson | Spouse | — | 62 | ~1858 |
Census Appearances
1900
San Bernardino, …
Son, age 7
San Bernardino, California · implied b. ~1893 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | California |
| Birth Month | Nov |
| Birth Year | 1893 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1910
San Bernardino, …
Son, age 16
San Bernardino, California · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Paper Carrier |
| Industry | Newspaper |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Bernardino, …
Son, age 25
San Bernardino, California · implied b. ~1895 — 5 household members
| Surname | Johnson |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Locomotive Fireman |
| Industry | Steam R.R. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 William Johnson across 3 US Census years (1900, 1910 and 1920) in San Bernardino, California, using XGBoost record linkage. Identified parents: father Sigmond Johnson (~0.92 confidence) and father Godfrey Johnson (~0.92 confidence) and father Fredrick Johnson (~0.92 confidence) and mother Idalia Johnson (~0.92 confidence) and mother Adalia Johnson (~0.92 confidence) and mother Ardelia Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Sigmond Johnson
b. ~1855
Source father
● Household
· direct · ~0.92
Father
Godfrey Johnson
b. ~1855
Source father
● Household
· direct · ~0.92
Father
Fredrick Johnson
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Idalia Johnson
b. ~1858
Source mother
● Household
· direct · ~0.92
Mother
Adalia Johnson
b. ~1857
Source mother
● Household
· direct · ~0.92
Mother
Ardelia Johnson
b. ~1858
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Johnson
Son · 1920 · age 25 · b. ~1895 · California
★ You are viewing this record
Sibling
Lillie Johnson
Sibling · 1920 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlie 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 — San Bernardino, California
Open full size
1920 US Federal Census — San Bernardino, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu129unit:0750)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Adolph L. Valdez | 23 | Head | Minister | California |
| 52 | Charlotte M. Valdez | 25 | Wife | None | Oregon |
| 53 | Alfred G. Valdez | 3 | Son | None | California |
| 54 | Flora D. Valdez | 1 | Daughter | None | California |
| 55 | Jose G. Valdez | 71 | Father | None | California |
| 56 | Horace M. Hays | 40 | Head | Doctor | California |
| 57 | Daisy A. Hays | 35 | Wife | None | England |
| 58 | Catherine Hays | 8 | Daughter | None | California |
| 59 | Audrey B. Hale | 14 | Step-daughter | None | California |
| 60 | Sigmond Johnson | 65 | Head | Cabinet Maker | Sweden |
| 61 | Ardelia Johnson | 62 | Wife | None | Sweden |
| 62 | Charlie A. Johnson | 27 | Son | Locomotive Fireman | California |
| 63 | William R. Johnson THIS PERSON | 25 | Son | Locomotive Fireman | California |
| 64 | Lillie Carrie J. Johnson | 29 | Daughter | Graduate Nurse | California |
| 65 | Ernest A. Slocum | 40 | Head | Boilermaker Helper | Kansas |
| 66 | Charlotte Slocum | 36 | Wife | None | Colorado |
| 67 | James O. Slocum | 10 | Son | None | Colorado |
| 68 | Catherine L. Slocum | 7 | Daughter | None | California |
| 69 | Ernest A. Jr. Slocum | 4 | Son | None | California |
| 70 | Henrietta C. Drayton | 47 | Head | Teacher (School) | Iowa |
| 71 | Jenny S. Freeman | 40 | Partner | Teacher (School) | Massachusetts |
| 72 | Frank C. Omans | 41 | Head | Machinist (Locomotive) | Kansas |
| 73 | Bessie M. Omans | 39 | Wife | None | Indiana |
| 74 | Vera Fern Omans | 13 | Daughter | None | Mexico (Am Cit) |
| 75 | Glenn E. Omans | 10 | Son | None | Mexico (Am Cit) |
| 76 | Kenneth E. Omans | 5 | Son | None | California |
| 77 | M. Lucille Omans | 3 | Daughter | None | California |
| 78 | Ernest Terlesome | 45 | Head | Train Dispatcher | Illinois |
| 79 | Vivian M. Terlesome | 38 | Wife | None | Iowa |
| 80 | Howard Terlesome | 9 | Son | None | Washington |
| 81 | Marjorie Terlesome | 6 | Daughter | None | Washington |
| 82 | Edward Poppitt | 53 | Head | Policeman | California |
| 83 | Mary E. Poppitt | 48 | Wife | None | California |
| 84 | Silas E. Leon | 77 | Brother-in-law | None | Alabama |
| 85 | Carl B. Van Leuven | 36 | Head | Sign Painter | Iowa |
| 86 | Lillian M. Van Leuven | 38 | Wife | None | Kentucky |
| 87 | Elizabeth Van Leuven | 10 | Daughter | None | Colorado |
| 88 | Carl B. Jr. Van Leuven | 5 | Son | None | Colorado |
| 89 | Adeline Lawrence | 73 | Head | None | Illinois |
| 90 | Myra A. Lawrence | 54 | Daughter | None | Oregon |
| 91 | John H. Lawrence | 48 | Son | Salesman | Oregon |
| 92 | Minnie L. Lawrence | 40 | Daughter | Typist | Oregon |
| 93 | Myrtle A. Lawrence | 36 | Daughter | Bookkeeper | Oregon |
| 94 | Georgia E. Lawrence | 31 | Daughter | Teacher | Oregon |
| 95 | Lura M. Bradford | 46 | Daughter | None | Oregon |
| 96 | Albinus S. Matney | 43 | Head | Lawyer | Minnesota |
| 97 | Margaret E. Matney | 39 | Wife | None | Minnesota |
| 98 | Geraldine L. Matney | 5 | Daughter | None | California |
| 99 | Mary Grace Matney | 4 | Daughter | None | California |
| 100 | Minnie Larimer | 39 | Head | Seamstress | Indiana |
Pedigree Summary
William + 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)