OJ
Oscar Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Salt Lake, Utah
Our Model Tree links this Oscar Johnson across the 1910, 1920 and 1930 US Censuses in Salt Lake, Utah (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1903), then head of a 6-person household.
Age 27
b. ~1903
Male
Son
Born: Utah
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Salt Lake, Utah |
| Surname | Johnson |
| Given Name | Oscar A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Laborer |
| Industry | Odd jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Laborer |
| Township / Ward | Murray City |
| Est. Birth Year | ~1903 |
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 1930 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| John Johnson | Head | — | 57 | ~1873 |
| Minnie Johnson | Other | — | 53 | ~1877 |
| Eugene Johnson | Son | — | 11 | ~1919 |
| Albert Johnson | Son | — | 17 | ~1913 |
| Oscar Johnson | Son | — | 27 | ~1903 |
| Edward Johnson | Son | — | 11 | ~1919 |
Census Appearances
1910
Salt Lake, …
Son, age 7
Salt Lake, Utah · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Swed Swedish |
| Mother's Birthplace | Swed Swedish |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1920
Salt Lake, …
Son, age 16
Salt Lake, Utah · implied b. ~1904 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Son, age 27
Salt Lake, Utah · implied b. ~1903 — 6 household members
| Surname | Johnson |
| Given Name | Oscar A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Odd jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 Johnson across 3 US Census years (1910, 1920 and 1930) in Salt Lake, Utah, using XGBoost record linkage. Identified parents: father John Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence) and mother Minnie Johnson (~0.92 confidence) and mother Minnie Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Johnson
b. ~1874
Source father
● Household
· direct · ~0.92
Father
John Johnson
b. ~1873
Source father
● Household
· direct · ~0.92
Father
John Johnson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Minnie Johnson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Minnie Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Johnson
Son · 1930 · age 27 · b. ~1903 · Utah
★ You are viewing this record
Sibling
Edward Johnson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Johnson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Johnson
Sibling · 1930 · age 17
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
1930 US Federal Census — Salt Lake, Utah
Open full size
1930 US Federal Census — Salt Lake, Utah
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2417unit:0929)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wallie C. Dawson | 22 | Head | Salesman | Washington |
| 2 | Arvilla Dawson | 22 | Wife-H | — | Utah |
| 3 | Emil J. Erickson | 66 | Head | Laborer | Sweden |
| 4 | Veda Erickson | 54 | Wife-H | — | Sweden |
| 5 | Charles J. Rich | 23 | Head | Laborer | Utah |
| 6 | Idella Rich | 23 | Wife-H | — | Utah |
| 7 | John Birch | 26 | Head | Laborer | Utah |
| 8 | Myrtle Birch | 22 | Wife-H | — | Utah |
| 9 | Virginia Birch | 4 | Daughter | — | Utah |
| 10 | Eugene Jones | 23 | Head | Laborer | Utah |
| 11 | Berniece Jones | 19 | Wife-H | — | Utah |
| 12 | George Catchel | 36 | Head | Station Agent | Utah |
| 13 | Ella Catchel | 34 | Wife-H | — | Colorado |
| 14 | Rex Catchel | 14 | Son | — | Utah |
| 15 | Earl Catchel | 12 | Son | — | Utah |
| 16 | Vaudis Catchel | 9 | Daughter | — | Utah |
| 17 | Nils J. Ahlberg | 73 | Head | — | Sweden |
| 18 | John Sandstrom | 56 | Head | Laborer | Finland |
| 19 | Ida Sandstrom | 56 | Wife-H | — | Finland |
| 20 | Elvira (A) Sandstrom | 23 | Daughter | Cashier | Utah |
| 21 | Mike Mackey | 47 | Head | Laborer | Finland |
| 22 | John Sablich | 46 | Head | Laborer | Yugoslavia |
| 23 | Minnie Walla | 51 | Head | — | Finland |
| 24 | John Walla | 49 | Husband | Laborer | Finland |
| 25 | Marie Asplund | 15 | Daughter | — | Utah |
| 26 | Clarence Asplund | 25 | Head | Laborer | Utah |
| 27 | Maybella Asplund | 23 | Wife-H | — | Utah |
| 28 | Roy Warner | 25 | Head | Laborer | United States |
| 29 | Annie Warner | 25 | Wife-H | — | Utah |
| 30 | Kenneth Warner | 4 | Son | — | Utah |
| 31 | Britta Bluhm | 65 | Head | — | Germany |
| 32 | Carl E. Hall | 63 | Boarder | Laborer | Sweden |
| 33 | Vera Nawahine | 18 | Head | Laborer | Utah |
| 34 | John D. Johnson | 57 | Head | Laborer | Sweden |
| 35 | Minnie Johnson | 53 | Wife-H | — | Sweden |
| 36 | Oscar A. Johnson THIS PERSON | 27 | Son | Laborer | Utah |
| 37 | Albert S. Johnson | 17 | Son | Laborer | Utah |
| 38 | Edward Johnson | 11 | Son | — | Utah |
| 39 | Eugene Johnson | 11 | Son | — | Utah |
| 40 | Henrietta Doran | 65 | Head | Labeling | England |
| 41 | Robert Blankin | 23 | Head | Laborer | New York |
| 42 | Gladys Blankin | 19 | Wife-H | — | Utah |
| 43 | E. Edgar B. (Abs) Chaves | 45 | Head | Granite Cutter | Canada |
| 44 | Frida Chaves | 39 | Wife-H | — | Sweden |
| 45 | Margaret Chaves | 15 | Daughter | — | Utah |
| 46 | Emery J. Chaves | 12 | Son | — | Utah |
| 47 | Arthur Chaves | 10 | Son | — | Utah |
| 48 | Edgar Chaves | 8 | Son | — | Utah |
| 49 | Cyrus A. Graham | 54 | Head | — | Denmark |
| 50 | Phily N. Graham | 33 | Son | Laborer | Utah |
Pedigree Summary
Oscar + 3 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)