AO
Andrew Olson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Freeborn-County, Minnesota
Our Model Tree links this Andrew Olson across the 1920, 1930 and 1940 US Censuses in Freeborn-County, Minnesota (XGBoost, ~Confirmed), with identified parents Gulborn & Lena — first a head (b.~1899), then head of a 5-person household.
Age 41
b. ~1899
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Freeborn-County, Minnesota |
| Surname | Olson |
| Given Name | Andrew A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Albert Lea city |
| 1935 Residence (County) | Freeborn |
| Additional Details | |
| Occupation | salesman |
| Industry | automobile |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 1100 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Salesman |
| Township / Ward | Albert Lea City |
| Est. Birth Year | ~1899 |
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 Andrew | Age | Birth yr |
|---|---|---|---|---|
| Palma Olson | Spouse | — | 40 | ~1900 |
| Andrew Olson | Head | — | 41 | ~1899 |
| Betty Olson | Daughter | — | 13 | ~1927 |
| Ray Olson | Son | — | 15 | ~1925 |
| Mary Olson | Daughter | — | 8 | ~1932 |
Census Appearances
1920
Freeborn, Minnesota
Son, age 21
Freeborn, Minnesota · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Andrew |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Norway |
| Occupation | Fireman |
| Industry | Freight Depot |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Freeborn, Minnesota
Head, age 32
Freeborn, Minnesota · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Andrew |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 24 |
| Father's Birthplace | United States |
| Mother's Birthplace | Norway |
| Occupation | mechanic |
| Industry | automobile |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | 5000 |
| Veteran | O |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Freeborn-County, Minnesota
Head, age 41
Freeborn-County, Minnesota · implied b. ~1899 — 5 household members
| Surname | Olson |
| Given Name | Andrew A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Albert Lea city |
| 1935 Residence (County) | Freeborn |
| Occupation | salesman |
| Industry | automobile |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 1100 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Andrew Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gulborn Olson (~0.92 confidence) and mother Lena Olson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gulborn Olson
b. ~1854
Source father
● Household
· direct · ~0.92
Mother
Lena Olson
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Andrew Olson
Head · 1940 · age 41 · b. ~1899 · Minnesota
★ 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 — Freeborn-County, Minnesota
Open full size
1940 US Federal Census — Freeborn-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01922-00347)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marion Sorenson | 27 | daughter | Teacher | Minnesota |
| 42 | Arthur Sorenson | 17 | son | — | Minnesota |
| 43 | Ida Mae Henry | 66 | Head | — | Minnesota |
| 44 | Berthina Henry | 29 | daughter | Bookkeeper | Minnesota |
| 45 | Andrew A Olson THIS PERSON | 41 | Head | Salesman | Minnesota |
| 46 | Palma Olson | 40 | wife | Cashier | Minnesota |
| 47 | Ray Olson | 15 | son | — | Minnesota |
| 48 | Betty Olson | 13 | daughter | — | Minnesota |
| 49 | Mary Olson | 8 | daughter | — | Minnesota |
| 50 | Ernest Sanders | 36 | Head | Carpenter | Minnesota |
| 51 | Florence Sanders | 31 | wife | — | Minnesota |
| 52 | Dorothy A Sanders | 10 | daughter | — | Minnesota |
| 53 | Margaret Sanders | 6 | daughter | — | Minnesota |
| 54 | Charles Sanders | 2 | son | — | Minnesota |
| 55 | Emil J Phil | 57 | Head | Manager | Minnesota |
| 56 | Josephine Phil | 58 | wife | — | Sweden |
| 57 | Arthur O Knudson | 52 | Lodger | Dry Cleaner | Minnesota |
| 58 | Clara Knudson | 50 | lodger | — | Minnesota |
| 59 | Albert E Drommerhausen | 50 | Head | Truck Driver | Minnesota |
| 60 | Gertrude Drommerhausen | 47 | wife | — | Iowa |
| 61 | Margaret Drommerhausen | 16 | daughter | — | Minnesota |
| 62 | Darlene Drommerhausen | 6 | daughter | — | Minnesota |
| 63 | Gustav J Passer | 74 | Head | — | Germany |
| 64 | Nettie Passer | 69 | wife | — | Wisconsin |
| 65 | Leroy D Miles | 58 | Head | — | New York |
| 66 | Laura Miles | 60 | wife | — | Iowa |
| 67 | Allen W Farrenkopf | 33 | Head | Collector | So Dakota |
| 68 | Ina Farrenkopf | 25 | wife | — | So Dakota |
| 69 | Allen Jr Farrenkopf | 6 | son | — | So Dakota |
| 70 | Andrew Farrenkopf | 3 | son | — | So Dakota |
| 71 | — | None | — | — | — |
| 72 | Edward L Steele | 60 | Head | Laborer | Minnesota |
| 73 | Ida Steele | 59 | wife | — | Minnesota |
| 74 | Charles H Marlett | 52 | Head | — | Minnesota |
| 75 | Carrie Marlett | 54 | wife | Manager | Minnesota |
| 76 | Axel Henning | 53 | Head | Locomotive Fireman | Sweden |
| 77 | Grace Henning | 52 | wife | — | Iowa |
| 78 | Paul Henning | 21 | son | Delivery Boy | Iowa |
| 79 | Carol Henning | 17 | daughter | — | Iowa |
| 80 | — | None | — | — | — |
Pedigree Summary
Andrew
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)