RO
Ruth Olson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Richland-County, North Dakota
Our Model Tree links this Ruth Olson across the 1920, 1930 and 1940 US Censuses in Richland-County, North Dakota (XGBoost, ~Confirmed), with identified parents Albert & Ida — first a daughter (b.~1896), then head of a 2-person household.
Age 44
b. ~1896
Female
Daughter
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Richland-County, North Dakota |
| Surname | Olson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Helendale |
| 1935 Residence (County) | Richland |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Township / Ward | Helendale |
| Est. Birth Year | ~1896 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ida Olson | Spouse | — | 65 | ~1875 |
| Ruth Olson | Daughter | — | 44 | ~1896 |
Census Appearances
1920
Richland, North …
Daughter, age 23
Richland, North Dakota · implied b. ~1897 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Ruth E. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Richland, North …
Other, age 33
Richland, North Dakota · implied b. ~1897 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Ruth |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Richland-County, North …
Daughter, age 44
Richland-County, North Dakota · implied b. ~1896 — 2 household members
| Surname | Olson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Helendale |
| 1935 Residence (County) | Richland |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 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 Ruth Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Olson (~0.92 confidence) and mother Ida Olson (~0.92 confidence) and mother Tilda Olson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Olson
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Ida Olson
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Tilda Olson
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Olson
Daughter · 1940 · age 44 · b. ~1896 · North Dakota
★ 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 — Richland-County, North Dakota
Open full size
1940 US Federal Census — Richland-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03011-00631)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ida Olson | 65 | Wife | — | Minnesota |
| 42 | Ruth Olson THIS PERSON | 44 | Daughter | — | North Dakota |
| 43 | Albret G. Thompson | 65 | Head | Farmer | Minnesota |
| 44 | Lila Thompson | 52 | Wife | — | Minnesota |
| 45 | Lavern Thompson | 20 | Son | Labor | North Dakota |
| 46 | Gerdrude Mathison | 17 | Lodger | — | North Dakota |
| 47 | Eugene H. Heath | 40 | Head | Labor | Minnesota |
| 48 | Norma Heath | 36 | Wife | — | Minnesota |
| 49 | Alan Heath | 7 | Son | — | North Dakota |
| 50 | Henry M. Forshop | 49 | Head | Farmer | North Dakota |
| 51 | Christen Forshop | 44 | Wife | — | North Dakota |
| 52 | Chester Forshop | 20 | Son | Farmer | North Dakota |
| 53 | Merlin Forshop | 17 | Son | Farmer | North Dakota |
| 54 | Gladys Forshop | 16 | Daughter | — | North Dakota |
| 55 | Marlys Forshop | 12 | Daughter | — | North Dakota |
| 56 | Gerald Forshop | 10 | Son | — | North Dakota |
| 57 | Harold Forshop | 7 | Son | — | North Dakota |
| 58 | Arnold Lunde | 25 | Head | Farmer | Minnesota |
| 59 | Alaine Lunde | 21 | Wife | — | Minnesota |
| 60 | Head Morris | None | M | Grain Farm | — |
| 61 | Hildagard Morris | 19 | Wife | — | North Dakota |
| 62 | Christina S. Bertland | 72 | Head | — | Norway |
| 63 | Julius Bertland | 39 | Son | Farmer | North Dakota |
| 64 | Ragna Bertland | 31 | Daughter | — | North Dakota |
| 65 | Gerhard Borandvold | 34 | Lodger | Farmer | Minnesota |
| 66 | Adolph Frisshop | 46 | Head | Farmer | North Dakota |
| 67 | Alma Frisshop | 39 | Wife | — | North Dakota |
| 68 | Marcella C. Frisshop | 16 | Daughter | — | North Dakota |
| 69 | Norma A. Frisshop | 12 | Daughter | — | North Dakota |
| 70 | Ramona D. Frisshop | 7 | Daughter | — | North Dakota |
| 71 | Martha Moen | 76 | Head | — | North Dakota |
| 72 | Erick Moen | 63 | Husband | Farmer | Iowa |
| 73 | Lorraine Moen | 25 | Daughter | Housekeeper | North Dakota |
| 74 | Margie Moen | 18 | Daughter | Housekeeper | North Dakota |
| 75 | Joyce Moen | 15 | Daughter | — | North Dakota |
| 76 | Layne Moen | 6 | Grandson | — | North Dakota |
| 77 | Erling Moen | 21 | Son | Farmer | North Dakota |
| 78 | Clifton Quan | 24 | Head | Farmer | North Dakota |
| 79 | Garvin Quan | 23 | Brother | Farmer | North Dakota |
| 80 | Stanley Quan | 19 | Brother | Farmer | North Dakota |
Pedigree Summary
Ruth
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)