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Oscar Olson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Oscar Olson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Theodore & John — first a head (b.~1889), then head of a 3-person household.
Age 51
b. ~1889
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Olson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Boro of Brooklyn |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Building Construction |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | S 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Carpenter |
| Township / Ward | Boro Of Brooklyn |
| Est. Birth Year | ~1889 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Oscar Olson | Head | — | 51 | ~1889 |
| William Olson | Son | — | 26 | ~1914 |
| Stella Olson | Spouse | — | 46 | ~1894 |
Census Appearances
1900
Kings, New …
Son, age 12
Kings, New York · implied b. ~1888 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Birth Month | Aug |
| Birth Year | 1888 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | at School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1910
Kings, New …
Son, age 21
Kings, New York · implied b. ~1889 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Clerk |
| Industry | Shipping |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1920
Kings, New …
Son, age 31
Kings, New York · implied b. ~1889 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Humble |
| Industry | Furniture |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Other, age 40
Kings, New York · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Oscar |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Packer |
| Industry | Medical Goods |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Head, age 51
Kings-County, New York · implied b. ~1889 — 3 household members
| Surname | Olson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Boro of Brooklyn |
| 1935 Residence (County) | Kings |
| Occupation | Carpenter |
| Industry | Building Construction |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | S 8 |
| 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 Oscar Olson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Theodore Olsen (~0.92 confidence) and father John Olsen (~0.92 confidence) and mother Bertha Olsen (~0.92 confidence) and mother Christina Olsen (~0.92 confidence) and mother Elizabeth Olsen (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Theodore Olsen
b. ~1853
Source father
● Household
· direct · ~0.92
Father
John Olsen
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Bertha Olsen
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Christina Olsen
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Olsen
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Olson
Head · 1940 · age 51 · b. ~1889 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02616-00053)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Donald Maclay | 17 | Son | — | New York |
| 42 | Katherine Finnigan | 43 | Head | — | New York |
| 43 | Edmond Finnigan | 26 | Son | Drug Clerk | New York |
| 44 | John Finnigan | 23 | Son | Butchers Helper | New York |
| 45 | Charles Danetmay | 66 | Head | Asst. Sales Manager | New York |
| 46 | Paul Danetmay | 29 | Son | Production Clerk | New York |
| 47 | Louis Fritz | 56 | Head | Bar + Grill | New York |
| 48 | Julia Fritz | 60 | Wife | — | New York |
| 49 | Eleanor Fritz | 21 | Daughter | File Clerk | New York |
| 50 | Peter Gilmartin | 62 | Head | Vault Attendant | New York |
| 51 | Margaret Gilmartin | 31 | Daughter | Counter Clerk | New York |
| 52 | Theresa Gilmartin | 29 | Daughter | Stenographer | New York |
| 53 | Alice Gilmartin | 24 | Daughter | Account Clerk | New York |
| 54 | Louis Korf | 32 | Head | Foreman Baker | Germany |
| 55 | Gertrude Korf | 27 | Wife | — | New York |
| 56 | Fred Tschirn | 60 | Father-in-law | — | Germany |
| 57 | Alois Sher | 41 | Head | Contracting Carpenter | Germany |
| 58 | Theresa Sher | 39 | Wife | — | Germany |
| 59 | Irma Sher | 12 | Daughter | — | New York |
| 60 | William Gorsuch | 45 | Head | Shipping Clerk | New York |
| 61 | Josephine Gorsuch | 45 | Wife | — | New York |
| 62 | Charles Haney | 43 | Lodger | Fly-Boy | New York |
| 63 | Meta Heinig | 43 | Head | Supervisor | New York |
| 64 | Esther Albert | 50 | Head | Cleaning Rooms | New York |
| 65 | Charles Albert | 70 | Mother | — | New York |
| 66 | Delia Heney | 74 | Head | — | Ireland |
| 67 | Catherine Quinn | 41 | Daughter | Cashier Student | New York |
| 68 | Eugene Quinn | 21 | Grandson | Model Maker | New York |
| 69 | Muriel Quinn | 16 | Grand-daughter | — | New York |
| 70 | Joan Quinn | 11 | Grand-daughter | — | New York |
| 71 | Oscar Olson THIS PERSON | 51 | Head | Carpenter | New York |
| 72 | Stella Olson | 46 | Wife | Store Manager | New Jersey |
| 73 | William Olson | 26 | Son | Junior Engineer | New York |
| 74 | Melville Springsteen | 25 | Head | Auto Mechanic | New York |
| 75 | Ruth Springsteen | 23 | Wife | — | New York |
| 76 | George Springsteen | 5 | Son | — | New York |
| 77 | Ruth Springsteen | 3 | Daughter | — | New York |
| 78 | Katherine Rebesch | 74 | Head | — | New York |
| 79 | Frank Schneider | 51 | Head | Watchman | New York |
| 80 | Marie Schneider | 50 | Wife | — | New York |
Pedigree Summary
Oscar
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 1940 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)