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John Olson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Pembina, North Dakota
Our Model Tree links this John Olson across the 1920 and 1930 US Censuses in Pembina, North Dakota (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 14-person household.
Age 14
b. ~1916
Male
Son
Born: North Dakota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Pembina, North Dakota |
| Surname | Olson |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Iceland |
| Mother's Birthplace | North Dakota |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Township / Ward | Advance Township |
| Est. Birth Year | ~1916 |
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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Olson | Daughter | — | 19 | ~1911 |
| Anna Olson | Daughter | — | 16 | ~1914 |
| Gudrun Olson | Daughter | — | 13 | ~1917 |
| Ethel Olson | Daughter | — | 1 | ~1929 |
| Pauline Olson | Daughter | — | 6 | ~1924 |
| Olivia Olson | Daughter | — | 10 | ~1920 |
| Thelma Olson | Daughter | — | 4 | ~1926 |
| John Olson | Head | — | 51 | ~1879 |
| Marina Olson | Son | — | 22 | ~1908 |
| Freeman Olson | Son | — | 11 | ~1919 |
| John Olson | Son | — | 14 | ~1916 |
| Valdimar Olson | Son | — | 17 | ~1913 |
| Lorance Olson | Son | — | 7 | ~1923 |
| Gudrun Olson | Spouse | — | 42 | ~1888 |
Census Appearances
1920
Pembina, North …
Son, age 4
Pembina, North Dakota · implied b. ~1916 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Iceland |
| Mother's Birthplace | North Dakota |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Pembina, North …
Son, age 14
Pembina, North Dakota · implied b. ~1916 — 14 household members
| Surname | Olson |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Iceland |
| Mother's Birthplace | North Dakota |
| Occupation | none |
| Can Read/Write | Yes |
| 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 John Olson across 2 US Census years (1920 and 1930) in Pembina, North Dakota, using XGBoost record linkage.
Show:
This person
Anchor record
John Olson
Son · 1930 · age 14 · b. ~1916 · North Dakota
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Sibling
Pauline Olson
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Olson
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Freeman Olson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Olson
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Olivia Olson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Olson
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorance Olson
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marina Olson
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gudrun Olson
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Olson
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Valdimar Olson
Sibling · 1930 · age 17
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 — Pembina, North Dakota
Open full size
1930 US Federal Census — Pembina, North Dakota
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1740unit:0004)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles F. Kaylor | 58 | Head | Proprietor | Minnesota |
| 2 | Mary E. Kaylor | 49 | Wife | None | Minnesota |
| 3 | Camden J. Kaylor | 9 | Son | None | North Dakota |
| 4 | Grace E. Kaylor | 6 | Daughter | None | North Dakota |
| 5 | Thomas G. Clark | 49 | Head | Farmer | Canada English |
| 6 | Gertrude L. Clark | 45 | Wife | None | Minnesota |
| 7 | Thomas G. Clark | 8 | Son | None | North Dakota |
| 8 | Charles W. Clark | 5 | Son | None | North Dakota |
| 9 | Andrew E. Clark | 1 | Son | None | North Dakota |
| 10 | Robert G. Clark | 24 | Head | Laborer | North Dakota |
| 11 | Thelma L. Clark | 19 | Wife | None | North Dakota |
| 12 | James J. Clark | 0 | Son | None | North Dakota |
| 13 | Alfred Hovey | 35 | Head | Farmer | Iowa |
| 14 | Sadie L. Hovey | 21 | Wife | None | North Dakota |
| 15 | Donald F. Hovey | 4 | Son | None | North Dakota |
| 16 | Robert M. Woodrow | 43 | Head | Farmer | Canada English |
| 17 | Charity Woodrow | 44 | Wife | None | North Dakota |
| 18 | Woodrow Woodrow | 12 | Son | None | North Dakota |
| 19 | John G. Olson | 51 | Head | Farmer | Iceland |
| 20 | Gudrun S. Olson | 42 | Wife | None | North Dakota |
| 21 | Marina B. Olson | 22 | Son | Laborer | North Dakota |
| 22 | Margaret G. Olson | 19 | Daughter | None | North Dakota |
| 23 | Valdimar O. Olson | 17 | Son | Laborer | North Dakota |
| 24 | Anna M. Olson | 16 | Daughter | None | North Dakota |
| 25 | John A. Olson THIS PERSON | 14 | Son | None | North Dakota |
| 26 | Gudrun S. Olson | 13 | Daughter | None | North Dakota |
| 27 | Freeman H. Olson | 11 | Son | None | North Dakota |
| 28 | Olivia L. Olson | 10 | Daughter | None | North Dakota |
| 29 | Lorance A. Olson | 7 | Son | None | North Dakota |
| 30 | Pauline R. Olson | 6 | Daughter | None | North Dakota |
| 31 | Thelma B. Olson | 4 | Daughter | None | North Dakota |
| 32 | Ethel J. Olson | 1 | Daughter | None | North Dakota |
| 33 | Gudmundur Dalsted | 50 | Head | Farmer | Iceland |
| 34 | Harda C. Dalsted | 37 | Wife | None | North Dakota |
| 35 | Christine Dalsted | 11 | Daughter | None | North Dakota |
| 36 | Gudmundur A. Dalsted | 6 | Son | None | North Dakota |
| 37 | Hellen E. Dalsted | 1 | Daughter | None | North Dakota |
| 38 | Bjarni Dalsted | 78 | Father | None | Iceland |
| 39 | Christie A. Thompson | 49 | Head | Farmer | Iceland |
| 40 | Rebecca Thompson | 45 | Wife | None | Canada English |
| 41 | Benedikt Thompson | 25 | Son | Laborer | North Dakota |
| 42 | Benedikt Thompson | 21 | Son | Laborer | North Dakota |
| 43 | Harry R. Thompson | 16 | Son | Laborer | North Dakota |
| 44 | Bertha A. Thompson | 14 | Daughter | None | North Dakota |
| 45 | Carrie G. Thompson | 10 | Daughter | None | North Dakota |
| 46 | Adolph C. Vinstad | 47 | Head | Farmer | North Dakota |
| 47 | Laura C. Vinstad | 39 | Wife | None | North Dakota |
| 48 | Sveinbjorn Henderson | 35 | Head | Farmer | North Dakota |
| 49 | Sigrid Henderson | 22 | Wife | None | North Dakota |
| 50 | Sveinbjorn Henderson | 2 | Son | None | North Dakota |
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)