AO
Andrew Olson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Walsh, North Dakota
Our Model Tree links this Andrew Olson across the 1910, 1920 and 1930 US Censuses in Walsh, North Dakota (XGBoost, ~Confirmed), with identified parents Nicolai & Tallef — first a son (b.~1886), then head of a 6-person household.
Age 44
b. ~1886
Male
Son
Born: North Dakota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Walsh, North Dakota |
| Surname | Olson |
| Given Name | Andrew |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Wisconsin |
| Additional Details | |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Farmer |
| Township / Ward | Dundee Township |
| Est. Birth Year | ~1886 |
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 1930 census.
| Name | Relation to head | Relative to Andrew | Age | Birth yr |
|---|---|---|---|---|
| Alma Olson | Daughter | — | 32 | ~1898 |
| Andrew Olson | Son | — | 44 | ~1886 |
| Bernt Olson | Son | — | 30 | ~1900 |
| Maren Olson | Spouse | — | 70 | ~1860 |
| Kenneth Johnson | Other | — | 11 | ~1919 |
| Tallef Olson | Head | — | 73 | ~1857 |
Census Appearances
1910
Walsh, North …
Son, age 24
Walsh, North Dakota · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Andrew J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | General farm |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1920
Walsh, North …
Son, age 34
Walsh, North Dakota · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Andrew |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Wisconsin |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Walsh, North …
Son, age 44
Walsh, North Dakota · implied b. ~1886 — 6 household members
| Surname | Olson |
| Given Name | Andrew |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Wisconsin |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Andrew Olson across 3 US Census years (1910, 1920 and 1930) in Walsh, North Dakota, using XGBoost record linkage. Identified parents: father Nicolai Olson (~0.92 confidence) and father Tallef Olson (~0.92 confidence) and father Tolley Olson (~0.92 confidence) and mother Maren Olson (~0.92 confidence) and mother Marie Olson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nicolai Olson
b. ~1850
Source father
● Household
· direct · ~0.92
Father
Tallef Olson
b. ~1857
Source father
● Household
· direct · ~0.92
Father
Tolley Olson
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Maren Olson
b. ~1860
Source mother
● Household
· direct · ~0.92
Mother
Marie Olson
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Andrew Olson
Son · 1930 · age 44 · b. ~1886 · North Dakota
★ You are viewing this record
Sibling
Bernt Olson
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alma Olson
Sibling · 1930 · age 32
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
1930 US Federal Census — Walsh, North Dakota
Open full size
1930 US Federal Census — Walsh, North Dakota
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1744unit:0062)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Gilbert E. Wang | 7 | Son | — | Minnesota |
| 52 | Myrtle I. Wang | 5 | Daughter | — | Minnesota |
| 53 | Halvor Klugness | 56 | Head | Farmer | Norway |
| 54 | Rose Klugness | 48 | Wife | — | North Dakota |
| 55 | Harris F. Klugness | 12 | Adoson | — | Minnesota |
| 56 | Helen M. Klugness | 9 | Adodaughter | — | Minnesota |
| 57 | Oscar O. Berg | 53 | Head | Farmer | Minnesota |
| 58 | Clara M. Berg | 44 | Wife | — | North Dakota |
| 59 | Esther E. Berg | 24 | Daughter | Teacher | North Dakota |
| 60 | Alice O. Berg | 21 | Daughter | Teacher | North Dakota |
| 61 | E. Hamilton Berg | 18 | Son | Laborer | North Dakota |
| 62 | E. Orville Berg | 15 | Son | — | North Dakota |
| 63 | Otto E. Berg | 13 | Son | — | North Dakota |
| 64 | Tallef Olson | 73 | Head | Retired | Norway |
| 65 | Maren Olson | 70 | Wife | — | Wisconsin |
| 66 | Andrew Olson THIS PERSON | 44 | Son | Farmer | North Dakota |
| 67 | Alma Olson | 32 | Daughter | — | North Dakota |
| 68 | Bernt Olson | 30 | Son | Laborer | North Dakota |
| 69 | Kenneth Johnson | 11 | Grandson | — | North Dakota |
| 70 | Oscar Clemetson | 58 | Head | Farmer | Minnesota |
| 71 | Inga Clemetson | 44 | Wife | — | Norway |
| 72 | Carl Clemetson | 52 | Brother | Laborer | Minnesota |
| 73 | John Arraas | 39 | Lodger | Laborer | Minnesota |
| 74 | Gerry G. Johnson | 43 | Head | Farmer | North Dakota |
| 75 | Carrie Johnson | 33 | Wife | — | Minnesota |
| 76 | Frank Nurtt | 69 | Head | Farmer | Canada English |
| 77 | Eliza Nurtt | 67 | Wife | — | England |
| 78 | Mildred Hokken | 17 | Lodger | Servant | Minnesota |
| 79 | Evan W. Naugland | 55 | Head | Farmer | Norway |
| 80 | Annie L. Naugland | 46 | Wife | — | North Dakota |
| 81 | Victor Naugland | 22 | Son | Laborer | North Dakota |
| 82 | Alvin Naugland | 19 | Son | Laborer | North Dakota |
| 83 | Elmer Naugland | 12 | Son | — | Canada English |
| 84 | Hazel Naugland | 10 | Daughter | — | North Dakota |
| 85 | Torbjor Roholt | 66 | Head | Farmer | Norway |
| 86 | Julia Roholt | 42 | Daughter | — | North Dakota |
| 87 | John Roholt | 35 | Son | Manager | North Dakota |
| 88 | Arthur Roholt | 24 | Son | Laborer | North Dakota |
| 89 | Chester A. Nurtt | 29 | Head | Farmer | North Dakota |
| 90 | Clara A. Nurtt | 27 | Wife | — | North Dakota |
| 91 | Julia A. Nurtt | 0 | Adodaughter | — | North Dakota |
| 92 | Clarice Jean Nurtt | 0 | Daughter | — | North Dakota |
| 93 | Clifford Emerson | 19 | Lodger | Laborer | Minnesota |
| 94 | Thomas M. Walker | 32 | Head | Farmer | North Dakota |
| 95 | Limea V. Walker | 33 | Wife | — | North Dakota |
| 96 | Kenneth A. Walker | 5 | Son | — | North Dakota |
| 97 | Tyne Johnston | 20 | Lodger | Teacher | North Dakota |
| 98 | John Lindell | 78 | Head | Farmer | Sweden |
| 99 | Conna Lindell | 58 | Wife | — | Norway |
| 100 | Clifford Lindell | 31 | Son | Laborer | North Dakota |
Pedigree Summary
Andrew + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)