OJ
Oliver Johnson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Pembina, North Dakota
Our Model Tree links this Oliver Johnson across the 1900, 1910 and 1920 US Censuses in Pembina, North Dakota (XGBoost, ~Confirmed), with identified parents Bjarni & Sigder — first a son (b.~1893), then head of a 9-person household.
Age 27
b. ~1893
Male
Son
Born: Canada
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Pembina, North Dakota |
| Surname | Johnson |
| Given Name | Oliver C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Canada |
| Father's Birthplace | Iceland |
| Mother's Birthplace | Iceland |
| Additional Details | |
| Occupation | Clerk |
| Industry | Hotel |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Icelandic |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
| Occupation | Clerk |
| Township / Ward | Pembina City |
| Est. Birth Year | ~1893 |
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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Oliver | Age | Birth yr |
|---|---|---|---|---|
| Ellen Thorsteinson | Other | — | 88 | ~1832 |
| Sidney Johnson | Son | — | 16 | ~1904 |
| Oliver Johnson | Son | — | 27 | ~1893 |
| Siden Ormson | Spouse | — | 79 | ~1841 |
| Harold Johnson | Son | — | 21 | ~1899 |
| Barney Johnson | Son | — | 19 | ~1901 |
| Annie Johnson | Other | — | 48 | ~1872 |
| Margreth Johnson | Daughter | — | 22 | ~1898 |
| Sigder Ormson | Head | — | 74 | ~1846 |
Census Appearances
1900
Pembina, North …
Son, age 8
Pembina, North Dakota · implied b. ~1892 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oliver E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Canada |
| Birth Month | Aug |
| Birth Year | 1892 |
| Father's Birthplace | Iceland |
| Mother's Birthplace | Iceland |
| Occupation | at School |
| Can Read | Yes |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
1910
Pembina, North …
Son, age 17
Pembina, North Dakota · implied b. ~1893 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oliver E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Canada |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farm laborer |
| Industry | General farm |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
1920
Pembina, North …
Son, age 27
Pembina, North Dakota · implied b. ~1893 — 9 household members
| Surname | Johnson |
| Given Name | Oliver C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Canada |
| Father's Birthplace | Iceland |
| Mother's Birthplace | Iceland |
| Occupation | Clerk |
| Industry | Hotel |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Icelandic |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
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 Oliver Johnson across 3 US Census years (1900, 1910 and 1920) in Pembina, North Dakota, using XGBoost record linkage. Identified parents: father Bjarni Johnson (~0.92 confidence) and father Sigder Ormson (~0.92 confidence) and mother Annie Johnson (~0.92 confidence) and mother Mrs Johnson (~0.92 confidence) and mother Siden Ormson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bjarni Johnson
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Sigder Ormson
b. ~1846
Source father
● Household
· direct · ~0.92
Mother
Annie Johnson
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Mrs Johnson
b. ~1852
Source mother
● Household
· direct · ~0.92
Mother
Siden Ormson
b. ~1841
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oliver Johnson
Son · 1920 · age 27 · b. ~1893 · North Dakota
★ You are viewing this record
Sibling
Harold Johnson
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barney Johnson
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sidney Johnson
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margreth Johnson
Sibling · 1920 · age 22
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
1920 US Federal Census — Pembina, North Dakota
Open full size
1920 US Federal Census — Pembina, North Dakota
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1338unit:0279)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James Conway | 20 | Son | Farm Laborer | North Dakota |
| 52 | Charlie Bourth | 32 | Head | Day Laborer | N. Dak. |
| 53 | Mary Bourth | 26 | Wife | — | N. Dak. |
| 54 | Edward E. Bourth | 7 | Son | — | N. Dak. |
| 55 | James E. Bourth | 6 | Son | — | N. Dak. |
| 56 | Raymond C. Bourth | 4 | Son | — | N. Dak. |
| 57 | Mary M. Bourth | 3 | Dau | — | N. Dak. |
| 58 | Benjamin F. Bourth | 1 | Son | — | N. Dak. |
| 59 | Louis Bourth | 67 | Head | Laborer | Canada |
| 60 | Sarah Bourth | 52 | Wife | — | North Dakota |
| 61 | Frank Bourth | 27 | Son | Laborer | N. Dak. |
| 62 | Benjamin Bourth | 22 | Son | Laborer | N. Dak. |
| 63 | Marie Bourth | 20 | Daughter | — | N. Dak. |
| 64 | Albert Bourth | 13 | Son | Salesman | N. Dak. |
| 65 | Helen Bourth | 10 | Daughter | — | N. Dak. |
| 66 | Arthur Bourth | 10 | Son | — | N. Dak. |
| 67 | Ruth Bourth | 12 | Daughter | — | N. Dak. |
| 68 | Daniel Monette | 49 | Head | Farmer | Missouri |
| 69 | Dora Monette | 35 | Wife | — | Norway |
| 70 | Edward Monette | 16 | Son | — | North Dakota |
| 71 | Antone J. Monette | 8 | Son | — | N. Dak. |
| 72 | Katherine M. Monette | 6 | Daughter | — | N. Dak. |
| 73 | John D. Monette | 4 | Son | — | N. Dak. |
| 74 | Mabel Monette | 1 | Daughter | — | N. Dak. |
| 75 | Joseph Ronde | 48 | Head | Day Laborer | North Dakota |
| 76 | Rose Ronde | 43 | Wife | — | Canada |
| 77 | Rose Ronde | 24 | Daughter | — | North Dakota |
| 78 | Wallace Ronde | 18 | Son | — | N. Dak. |
| 79 | Ismael Ronde | 15 | Son | — | N. Dak. |
| 80 | Francis Ronde | 13 | Son | — | N. Dak. |
| 81 | Osburne Ronde | 9 | Son | — | N. Dak. |
| 82 | Nora Ronde | 7 | Daughter | — | N. Dak. |
| 83 | Henrietta Ronde | 5 | Daughter | — | N. Dak. |
| 84 | Max Ronde | 3 | Son | — | N. Dak. |
| 85 | Marguerite Ronde | 2 | Daughter | — | N. Dak. |
| 86 | Sigder Ormson | 74 | Head | No Occupation | Iceland |
| 87 | Siden Ormson | 79 | Wife | — | Iceland |
| 88 | Annie G. Johnson | 48 | — | Boarding House | Iceland |
| 89 | Oliver C. Johnson THIS PERSON | 27 | Son | Clerk | Canada |
| 90 | Margreth S. Johnson | 22 | Daughter | — | North Dakota |
| 91 | Harold G. Johnson | 21 | Son | — | N. Dak. |
| 92 | Barney C. Johnson | 19 | Son | — | N. Dak. |
| 93 | Sidney Johnson | 16 | Son | — | N. Dak. |
| 94 | Ellen Thorsteinson | 88 | Mother | — | Iceland |
| 95 | Kristian Thorgrimson | 38 | Head | Day Laborer | Iceland |
| 96 | Emma Thorgrimson | 31 | Wife | — | North Dakota |
| 97 | Nelmar Thorgrimson | 7 | Son | — | N. Dak. |
| 98 | Ethel Thorgrimson | 5 | Daughter | — | N. Dak. |
| 99 | Dagmar Thorgrimson | 4 | Son | — | N. Dak. |
| 100 | Helga Thorgrimson | 2 | Daughter | — | N. Dak. |
Pedigree Summary
Oliver + 4 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 1920 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)