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Oscar Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marquette-County, Michigan
Our Model Tree links this Oscar Carlson across the 1920, 1930 and 1940 US Censuses in Marquette-County, Michigan (XGBoost, ~Confirmed), with identified parents Ima & Ina — first a son (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marquette-County, Michigan |
| Surname | Carlson |
| Given Name | Oscar W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Negaunee city |
| 1935 Residence (County) | Marquette |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road work |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 400 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Laborer |
| Township / Ward | Negaunee City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| John Carlson | Son | — | 24 | ~1916 |
| Oscar Carlson | Son | — | 32 | ~1908 |
| Victor Carlson | Son | — | 22 | ~1918 |
| Thomas Carlson | Son | — | 26 | ~1914 |
| Ima Carlson | Head | — | 59 | ~1881 |
Census Appearances
1920
Marquette, Michigan
Son, age 11
Marquette, Michigan · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Marquette, Michigan
Son, age 22
Marquette, Michigan · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | City |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Marquette-County, Michigan
Son, age 32
Marquette-County, Michigan · implied b. ~1908 — 5 household members
| Surname | Carlson |
| Given Name | Oscar W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Negaunee city |
| 1935 Residence (County) | Marquette |
| Occupation | Laborer |
| Industry | Road work |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 400 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ima Carlson (~0.92 confidence) and mother Ina Carlson (~0.92 confidence) and mother Ana Carlson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ima Carlson
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Ina Carlson
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Ana Carlson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Carlson
Son · 1940 · age 32 · b. ~1908 · Michigan
★ You are viewing this record
Sibling
Victor Carlson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Carlson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Carlson
Sibling · 1940 · age 26
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
1940 US Federal Census — Marquette-County, Michigan
Open full size
1940 US Federal Census — Marquette-County, Michigan
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01787-00266)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Luisa, Dina Turia | 11 | Daughter | — | Michigan |
| 2 | Albert Bacco | 45 | Head | Miner | Italy |
| 3 | Mary Bacco | 44 | Wife | — | Italy |
| 4 | Sergio Bacco | 15 | Son | — | Michigan |
| 5 | Doris Bacco | 7 | Daughter | — | Michigan |
| 6 | Edward Prideaux | 52 | Head | Mechanic | Michigan |
| 7 | Mabel Prideaux | 53 | Wife | — | Michigan |
| 8 | George E. Prideaux | 19 | Son | Laborer | Michigan |
| 9 | Margaret E. Prideaux | 14 | Daughter | — | Michigan |
| 11 | Anna Junneri | 63 | Head | — | Finland |
| 12 | Annie Junneri | 32 | Daughter | Maid | Finland |
| 13 | John H. Hocking | 76 | Head | Laborer | England |
| 14 | Arthur Hocking | 46 | Head | Sampler | Michigan |
| 15 | Antoinette Hocking | 41 | Wife | — | Michigan |
| 16 | Dorothy J. Hocking | 20 | Daughter | Kitchen Maid | Michigan |
| 17 | Percy Penhale | 65 | Head | Carpenter | England |
| 18 | Molly A. Penhale | 66 | Wife | — | England |
| 19 | Richard Doty | 27 | Head | Keeper | Michigan |
| 20 | Thelma Doty | 25 | Wife | Laborer | Michigan |
| 21 | Ima S. Carlson | 59 | Head | — | Michigan |
| 22 | Oscar W. Carlson THIS PERSON | 32 | Son | Laborer | Michigan |
| 23 | Thomas R. Carlson | 26 | Son | Laborer | Michigan |
| 24 | John C. Carlson | 24 | Son | Miner | Michigan |
| 25 | Victor J. Carlson | 22 | Son | Laborer | Michigan |
| 26 | John E. Jennings | 79 | Head | Laborer | Michigan |
| 27 | Myrtle E. Jennings | 48 | Daughter | — | Michigan |
| 28 | Beatrice A. Jennings | 45 | Daughter | Teacher | Michigan |
| 29 | Frank H. Koski | 59 | Head | — | Finland |
| 30 | Ella Koski | 53 | Wife | — | Finland |
| 31 | Paul L. Koski | 19 | Son | Laborer | Michigan |
| 32 | Carl W. Koski | 17 | Son | Laborer | Michigan |
| 33 | John D. Koski | 76 | Head | Truck Driver | Finland |
| 34 | Agnes Koski | 71 | Wife | — | Michigan |
| 35 | Leonard Koski | 41 | Brother | Laborer | Wisconsin |
| 36 | Louis G. Koski | 31 | Brother | — | Michigan |
| 37 | John V. Marsala | 34 | Head | Laborer | Michigan |
| 38 | Bernard Anderson | 46 | Head | Fireman | Michigan |
| 39 | Ida E. Anderson | 44 | Wife | — | Michigan |
| 40 | Edwin S. Anderson | 39 | Brother | Laborer | Michigan |
Pedigree Summary
Oscar + 3 siblings
Gen 1 · 3 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)