JO
John Olson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Kings, New York
Our Model Tree links this John Olson across the 1920, 1930 and 1940 US Censuses in Kings, New York (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1908), then head of a 4-person household.
Age 22
b. ~1908
Male
Son
Born: New York
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Kings, New York |
| Surname | Olson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Accountant |
| Industry | Public Utility |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Accountant |
| Township / Ward | Brooklyn Borough |
| Est. Birth Year | ~1908 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Olson | Head | — | 62 | ~1868 |
| Carl Olson | Son | — | 34 | ~1896 |
| John Olson | Son | — | 22 | ~1908 |
| Hellen Olson | Spouse | — | 57 | ~1873 |
Census Appearances
1920
Kings, New …
Son, age 11
Kings, New York · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | John G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Son, age 22
Kings, New York · implied b. ~1908 — 4 household members
| Surname | Olson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Accountant |
| Industry | Public Utility |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Other, age 32
Kings-County, New York · implied b. ~1908 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | John |
| Relationship to Head | boarder |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Occupation | Deck Hand |
| Industry | Ship Yard |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 1050 |
| Highest Grade | No 7 |
| 1935 Residence | same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 John Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Olson (~0.92 confidence) and father John Olson (~0.92 confidence) and mother Hellen Olson (~0.92 confidence) and mother Ellen Olson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Olson
b. ~1868
Source father
● Household
· direct · ~0.92
Father
John Olson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Hellen Olson
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Ellen Olson
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Olson
Son · 1930 · age 22 · b. ~1908 · New York
★ You are viewing this record
Sibling
Carl Olson
Sibling · 1930 · age 34
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 — Kings, New York
Open full size
1930 US Federal Census — Kings, New York
Page Contents
24 people indexed on this census page (ia:1930:newyorkcensus00reel1495:0554)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Schmidt | 12 | Son | — | New York |
| 2 | Ronald Schmidt | 12 | Son | — | New York |
| 3 | Francis Mcnulty | 24 | Head | Bookkeeper | Canada English |
| 4 | Daisy Mcnulty | 22 | Wife | — | New York |
| 5 | Charles G. Counti | 41 | Head | Proprietor | Massachusetts |
| 6 | May A. Counti | 41 | Wife | — | Massachusetts |
| 7 | Coleman Counti | 16 | Son | — | New Jersey |
| 8 | Mary Counti | 13 | Daughter | — | New Jersey |
| 9 | Alice Counti | 76 | Mother | — | Massachusetts |
| 10 | John Olson | 62 | Head | Painter | Sweden |
| 11 | Hellen Olson | 57 | Wife | — | Sweden |
| 12 | Carl Olson | 34 | Son | Clerk | New York |
| 13 | John Olson THIS PERSON | 22 | Son | Accountant | New York |
| 14 | Roger P. Farr | 32 | Head | Salesman | New York |
| 15 | Sarah C. Farr | 32 | Wife | — | New York |
| 16 | Catharine Farr | 3 | Daughter | — | New York |
| 17 | Elizabeth Farr | 1 | Daughter | — | New York |
| 18 | Courtland Sands | 28 | Head | Manager | New York |
| 19 | Rosemary Sands | 28 | Wife | — | Rhode Island |
| 20 | Virginia Sands | 2 | Daughter | — | New York |
| 21 | Courtland Sands | 0 | Son | — | New York |
| 22 | Alexander Hochersal | 50 | Head | Slippermaker | New York |
| 23 | Laura Hochersal | 42 | Wife | Instructor | New York |
| 24 | Eleonore V. Stoll | 14 | Daughter | — | New York |
Pedigree Summary
John + 1 sibling
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 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)