AO
Arthur Olson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Griggs-County, North Dakota
Our Model Tree links this Arthur Olson across the 1920, 1930 and 1940 US Censuses in Griggs-County, North Dakota (XGBoost, ~Confirmed), with identified parents Gilbert & Gilbert — first a son (b.~1914), then head of a 6-person household.
Age 26
b. ~1914
Male
Son
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Griggs-County, North Dakota |
| Surname | Olson |
| Given Name | Arthur M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Addie Township |
| 1935 Residence (County) | Griggs |
| Additional Details | |
| Hours Worked | 48 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Township / Ward | Addie Township |
| Est. Birth Year | ~1914 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Arthur Olson | Son | — | 26 | ~1914 |
| Floyd Olson | Son | — | 24 | ~1916 |
| Ludwig Olson | Son | — | 21 | ~1919 |
| Gilbert Olson | Head | — | 79 | ~1861 |
| Edna Olson | Daughter | — | 18 | ~1922 |
| Clarence Olson | Son | — | 29 | ~1911 |
Census Appearances
1920
Griggs, North …
Son, age 6
Griggs, North Dakota · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Griggs, North …
Son, age 16
Griggs, North Dakota · implied b. ~1914 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Arthur M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Griggs-County, North …
Son, age 26
Griggs-County, North Dakota · implied b. ~1914 — 6 household members
| Surname | Olson |
| Given Name | Arthur M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Addie Township |
| 1935 Residence (County) | Griggs |
| Hours Worked | 48 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 Arthur Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gilbert Olson (~0.92 confidence) and father Gilbert Olson (~0.92 confidence) and mother Amanda Olsen (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gilbert Olson
b. ~1861
Source father
● Household
· direct · ~0.92
Father
Gilbert Olson
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Amanda Olsen
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Olson
Son · 1940 · age 26 · b. ~1914 · North Dakota
★ You are viewing this record
Sibling
Ludwig Olson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Olson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Floyd Olson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Olson
Sibling · 1940 · age 29
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 — Griggs-County, North Dakota
Open full size
1940 US Federal Census — Griggs-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03003-00334)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ole H Olsen | 81 | Head | Farmer | Norway |
| 42 | Paul Holmen | 57 | Hired hand | Hired Hand | Norway |
| 43 | Elsie Utaker | 48 | House keeper | Servant | Norway |
| 44 | John Hansted | 64 | Head | Farmer | Norway |
| 45 | Mathilda Hansted | 59 | Wife | — | Minnesota |
| 46 | Edward J Fiebiger | 63 | Head | Farmer | Czechoslovakia |
| 47 | Amelia Fiebiger | 61 | Wife | — | Czechoslovakia |
| 48 | Matilda Fiebiger | 34 | Daughter | — | North Dakota |
| 49 | Oscar Olson | 50 | Head | Farmer | North Dakota |
| 50 | Elizabeth Vaale | 57 | Housekeeper | — | Norway |
| 51 | Elmer S Johnson | 26 | Head | Farming | North Dakota |
| 52 | Louise Johnson | 20 | Wife | — | North Dakota |
| 53 | Gilbert P Olson | 79 | Head | Farmer | Wisconsin |
| 54 | Clarence G Olson | 29 | Son | — | North Dakota |
| 55 | Arthur M Olson THIS PERSON | 26 | Son | — | North Dakota |
| 56 | Floyd E Olson | 24 | Son | — | North Dakota |
| 57 | Ludwig W Olson | 21 | Son | — | North Dakota |
| 58 | Edna F Olson | 18 | Daughter | — | North Dakota |
| 59 | Gustave A Sness | 52 | Head | Carpenter | Minnesota |
| 60 | Anna Sness | 52 | Wife | — | North Dakota |
| 61 | Julius Sness | 23 | Son | Operator | North Dakota |
| 62 | Manley Sness | 21 | Son | Partner | North Dakota |
| 63 | Lorraine Sness | 9 | Daughter | — | North Dakota |
| 64 | Edward S Arndt | 39 | Head | Farmer | North Dakota |
| 65 | Lillie Arndt | 43 | Wife | — | North Dakota |
| 66 | Edna Arndt | 14 | Daughter | — | North Dakota |
| 67 | Eugene Arndt | 12 | Son | — | North Dakota |
| 68 | Le Roy Arndt | 5 | Son | — | North Dakota |
| 69 | Ignaz Zemperich | 58 | Head | Farmer | Czechoslovakia |
| 70 | Christine Zemperich | 51 | Wife | — | Czechoslovakia |
| 71 | Carl Zemperich | 31 | Son | — | Czechoslovakia |
| 72 | Rudolph A Helland | 28 | Head | Farmer | North Dakota |
| 73 | Thelma I Helland | 29 | Wife | — | North Dakota |
| 74 | Arden R Helland | 1 | Son | — | North Dakota |
| 75 | Louis Wilkinson | 54 | Head | Farmer | Minnesota |
| 76 | Mary Wilkinson | 56 | Wife | — | Wisconsin |
| 77 | Clarence Hund | 24 | Hired hand | Hired Labour | North Dakota |
| 78 | Oscar Tweed | 43 | Head | Farmer | North Dakota |
| 79 | Helga Tweed | 41 | Wife | — | Minnesota |
| 80 | Betty Jane Tweed | 15 | Daughter | — | North Dakota |
Pedigree Summary
Arthur + 4 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)