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Carl Olson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delta-County, Michigan
Our Model Tree links this Carl Olson across the 1920, 1930 and 1940 US Censuses in Delta-County, Michigan (XGBoost, ~Confirmed), with identified parents Fred & Hilma — first a head (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delta-County, Michigan |
| Surname | Olson |
| Given Name | Carl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Escanaba Twp |
| 1935 Residence (County) | Delta |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Highway Dept |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 800 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Truck Driver |
| Township / Ward | Escanaba Twp |
| Est. Birth Year | ~1901 |
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 1940 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Laurel Olson | Son | — | 3 | ~1937 |
| Carl Olson | Head | — | 39 | ~1901 |
| Carlton Olson | Son | — | 10 | ~1930 |
| Clara Olson | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Delta, Michigan
Son, age 18
Delta, Michigan · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | In Pulp |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Delta, Michigan
Head, age 28
Delta, Michigan · implied b. ~1902 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Carl L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 23 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Truck driver |
| Industry | Road Construction |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 12 |
| Radio Set | R |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Delta-County, Michigan
Head, age 39
Delta-County, Michigan · implied b. ~1901 — 4 household members
| Surname | Olson |
| Given Name | Carl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Escanaba Twp |
| 1935 Residence (County) | Delta |
| Occupation | Truck Driver |
| Industry | Highway Dept |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 800 |
| Highest Grade | No 4 |
| 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 Carl Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Olson (~0.92 confidence) and mother Hilma Olson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Olson
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Hilma Olson
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Olson
Head · 1940 · age 39 · b. ~1901 · Michigan
★ 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 — Delta-County, Michigan
Open full size
1940 US Federal Census — Delta-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01745-00560)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nels Nelson | 69 | Head | Farmer | Sweden |
| 42 | Anna Nelson | 62 | Wife | — | Sweden |
| 43 | Henning Nelson | 32 | Head | Power Operator | Michigan |
| 44 | Mildred Nelson | 27 | Wife | — | Michigan |
| 45 | Virginia Nelson | 5 | Daughter | — | Michigan |
| 46 | Peter Wick | 51 | Head | Farmer | Finland |
| 47 | Gustive Wicklund | 28 | Daughter | Laborer | Michigan |
| 48 | John Ohman | 78 | Head | Farmer | Sweden |
| 49 | Natella Ohman | 70 | Wife | — | Sweden |
| 50 | Glenn Ohman | 46 | Son | Unpaid Worker | Michigan |
| 51 | John Hust | 65 | Head | Farmer | Finland |
| 52 | Christina Hust | 59 | Wife | — | Finland |
| 53 | Ragnar Johnson | 28 | Step-son | Laborer | Michigan |
| 54 | Julius Wagner | 23 | Head | Laborer | Wisconsin |
| 55 | Holly Wagner | 19 | Wife | — | Michigan |
| 56 | Harold Spear | 2 | Step-son | — | Michigan |
| 57 | Frank Kniphous | 47 | Head | — | Wisconsin |
| 58 | Lucy Kniphous | 43 | Wife | Teacher | Pennsylvania |
| 59 | Mary Kniphous | 15 | Daughter | — | Michigan |
| 60 | Jean Kniphous | 9 | Daughter | — | Michigan |
| 61 | Inez Kniphous | 6 | Daughter | — | Michigan |
| 62 | Peter Haldener | 56 | Head | Proprietor | Germany |
| 63 | Clara Haldener | 50 | Wife | — | Wisconsin |
| 64 | Ben Lousineau | 26 | Head | Smoker | Michigan |
| 65 | Clarence Haldener | 19 | Lodger | Smoker | Michigan |
| 66 | Robert Rose | 40 | Head | Machinist | Michigan |
| 67 | Laura Rose | 39 | Wife | — | Ohio |
| 68 | Carolyn Rose | 12 | Daughter | — | Michigan |
| 69 | Charles Rose | 4 | Son | — | Michigan |
| 70 | James Still | 59 | Head | Locomotive Engineer | France |
| 71 | Louie Still | 61 | Wife | — | Michigan |
| 72 | Alex Ullert | 65 | Head | Train Dispatcher | Denmark |
| 73 | Mable Ullert | 62 | Wife | — | Minnesota |
| 74 | Ruth Warner | 22 | Daughter | Dress Maker | Minnesota |
| 75 | Carl Olson THIS PERSON | 39 | Head | Truck Driver | Michigan |
| 76 | Clara Olson | 33 | Wife | — | Michigan |
| 77 | Carlton Olson | 10 | Son | — | Michigan |
| 78 | Laurel Olson | 3 | Son | — | Michigan |
| 79 | Alphose Iwen | 66 | Head | Farmer | Belgium |
| 80 | Josephine Iwen | 59 | Wife | — | Belgium |
Pedigree Summary
Carl
Gen 1 · 2 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)