AJ
Augusta Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pembina-County, North Dakota
Our Model Tree links this Augusta Johnson across the 1930 and 1940 US Censuses in Pembina-County, North Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1901), then head of a 5-person household.
Age 39
b. ~1901
Female
Daughter
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pembina-County, North Dakota |
| Surname | Johnson |
| Given Name | Augusta S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Thingvalla Twp |
| 1935 Residence (County) | Pembina |
| Additional Details | |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Township / Ward | Thingvalla Twp |
| Est. Birth Year | ~1901 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Augusta | Age | Birth yr |
|---|---|---|---|---|
| Arinn Johnson | Head | — | 22 | ~1918 |
| Jonathan Johnson | Son | — | 36 | ~1904 |
| Kristjana Johnson | Spouse | — | 62 | ~1878 |
| Augusta Johnson | Daughter | — | 39 | ~1901 |
| Rognvaldur Johnson | Son | — | 35 | ~1905 |
Census Appearances
1930
Pembina, North …
Daughter, age 29
Pembina, North Dakota · implied b. ~1901 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Augusta |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Iceland |
| Mother's Birthplace | Iceland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Pembina-County, North …
Daughter, age 39
Pembina-County, North Dakota · implied b. ~1901 — 5 household members
| Surname | Johnson |
| Given Name | Augusta S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Thingvalla Twp |
| 1935 Residence (County) | Pembina |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Augusta Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Augusta Johnson
Daughter · 1940 · age 39 · b. ~1901 · North Dakota
★ You are viewing this record
Sibling
Rognvaldur Johnson
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jonathan Johnson
Sibling · 1940 · age 36
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 — Pembina-County, North Dakota
Open full size
1940 US Federal Census — Pembina-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03009-00459)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Burre G. Nygdal | 84 | Brother | — | Iceland |
| 42 | Agnes Nygdal | 89 | Mother | — | Iceland |
| 43 | Elizabeth Nygdal | 61 | Sister | — | Iceland |
| 44 | Gudrun Nygdal | 49 | Sister | — | North Dakota |
| 45 | Bjorn A. Olgeirson | 71 | Head | Farming | Iceland |
| 46 | Gudrun Olgeirson | 54 | Wife | — | North Dakota |
| 47 | William T. Olgeirson | 22 | Son | Farming | North Dakota |
| 48 | Esther C. Olgeirson | 25 | Daughter | — | North Dakota |
| 49 | Hannes T. Hannesson | 39 | Head | Farming | North Dakota |
| 50 | Sigrid T. Hannesson | 41 | Wife | — | North Dakota |
| 51 | Theodore G. Hannesson | 9 | Son | — | North Dakota |
| 52 | Robert Johnson | 69 | Lodger | — | Iceland |
| 53 | Jonas Hannesson | 72 | Head | — | Iceland |
| 54 | Rosa Hannesson | 76 | Wife | — | Iceland |
| 55 | Thorsteinn H. Stinefson | 57 | Head | Farming | North Dakota |
| 56 | Lovisa M. Stinefson | 57 | Wife | — | North Dakota |
| 57 | Sigurdur Stinefson | 27 | Son | — | North Dakota |
| 58 | Steingrim Stinefson | 25 | Son | — | North Dakota |
| 59 | Christine Stinefson | 22 | Daughter | — | North Dakota |
| 60 | Marius Stinefson | 14 | Son | — | North Dakota |
| 61 | G. A. Christianson | 60 | Head | Farming | Iceland |
| 62 | Gudlaug Christianson | 49 | Wife | — | North Dakota |
| 63 | Gudbjorg Christianson | 21 | Daughter | — | North Dakota |
| 64 | Allan Christianson | 17 | Son | — | North Dakota |
| 65 | Arnold Christianson | 12 | Son | — | North Dakota |
| 66 | Laurene Christianson | 10 | Daughter | — | North Dakota |
| 67 | Arinn Johnson | 22 | Head | Farming | Iceland |
| 68 | Kristjana R. Johnson | 62 | Wife | — | Iceland |
| 69 | Augusta S. Johnson THIS PERSON | 39 | Daughter | — | North Dakota |
| 70 | Jonathan S. Johnson | 36 | Son | Farming | North Dakota |
| 71 | Rognvaldur S. Johnson | 35 | Son | Farming | North Dakota |
| 72 | Magnus S. Melsted | 41 | Head | Farming | North Dakota |
| 73 | Ingvaldur J. Melsted | 29 | Wife | — | Canada |
| 74 | Marius S. Melsted | 5 | Son | — | North Dakota |
| 75 | Elisabeth S. Melsted | 4 | Daughter | — | North Dakota |
| 76 | Mary M. Melsted | 1 | Daughter | — | North Dakota |
| 77 | Hardiman J. Melsted | 0 | Son | — | North Dakota |
| 78 | Ernest Hardarson | 28 | Head | — | North Dakota |
| 79 | Helen Hardarson | 21 | Wife | — | North Dakota |
| 80 | Allen E. Hardarson | 3 | Son | — | North Dakota |
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)