FJ
Frederick Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Barnes-County, North Dakota
Our Model Tree links this Frederick Johnson across the 1930 and 1940 US Censuses in Barnes-County, North Dakota (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Male
Son
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Barnes-County, North Dakota |
| Surname | Johnson |
| Given Name | Frederick H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Raritan Township |
| 1935 Residence (County) | Barnes |
| Additional Details | |
| Occupation | Farming |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Farming |
| Township / Ward | Raritan Township |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frederick | Age | Birth yr |
|---|---|---|---|---|
| Clara Johnson | Daughter | — | 18 | ~1922 |
| Violet Johnson | Daughter | — | 14 | ~1926 |
| Robert Johnson | Son | — | 12 | ~1928 |
| George Johnson | Son | — | 22 | ~1918 |
| Eardhel Johnson | Daughter | — | 7 | ~1933 |
| Annie Johnson | Daughter | — | 20 | ~1920 |
| Gerhart Johnson | Head | — | 57 | ~1883 |
| Victor Johnson | Son | — | 10 | ~1930 |
| Frederick Johnson | Son | — | 19 | ~1921 |
| Laura Johnson | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Barnes, North …
Son, age 10
Barnes, North Dakota · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Fredie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Barnes-County, North …
Son, age 19
Barnes-County, North Dakota · implied b. ~1921 — 10 household members
| Surname | Johnson |
| Given Name | Frederick H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Raritan Township |
| 1935 Residence (County) | Barnes |
| Occupation | Farming |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 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 Frederick Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frederick Johnson
Son · 1940 · age 19 · b. ~1921 · North Dakota
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Sibling
Annie Johnson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eardhel Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Victor Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Johnson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Johnson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violet Johnson
Sibling · 1940 · age 14
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 — Barnes-County, North Dakota
Open full size
1940 US Federal Census — Barnes-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02992-00487)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gerhart F. Johnson | 57 | Head | Farmer | Denmark |
| 2 | Laura Johnson | 44 | Wife | Housewife | Denmark |
| 3 | George N. Johnson | 22 | Son | Laborer | North Dakota |
| 4 | Annie Johnson | 20 | Daughter | 0 | North Dakota |
| 5 | Frederick H. Johnson THIS PERSON | 19 | Son | Farming | North Dakota |
| 6 | Clara E. Johnson | 18 | Daughter | 0 | North Dakota |
| 7 | Violet J. Johnson | 14 | Daughter | — | North Dakota |
| 8 | Robert Einar Johnson | 12 | Son | — | North Dakota |
| 9 | Victor Allen Johnson | 10 | Son | — | North Dakota |
| 10 | Eardhel Johnson | 7 | Daughter | — | North Dakota |
| 11 | Hjalmer Gottfredson | 36 | Head | Farmer | North Dakota |
| 12 | Mildred Gottfredson | 31 | Wife | Housewife | North Dakota |
| 13 | Carol Meritta Gottfredson | 9 | Daughter | — | North Dakota |
| 14 | Joy Adele Gottfredson | 5 | Daughter | — | North Dakota |
| 15 | John Van Leeuwen | 47 | Head | Farmer | Holland |
| 16 | Jelauka Van Leeuwen | 49 | Wife | Housewife | Holland |
| 17 | George Van Leeuwen | 18 | Son | — | North Dakota |
| 18 | John Frank Van Leeuwen | 17 | Son | — | North Dakota |
| 19 | Hendrina Van Leeuwen | 14 | Daughter | — | North Dakota |
| 20 | Margaret Van Leeuwen | 12 | Daughter | — | North Dakota |
| 21 | M. J. Maarted | 86 | Head | Retired Farmer | Norway |
| 22 | Susanna Maarted | 41 | Daughter | Housekeeper | North Dakota |
| 23 | Christ Geld | 54 | Son-in-law | Farming | Norway |
| 24 | Petra Geld | 55 | Wife | Housewife | North Dakota |
| 25 | Julius Witt | 64 | Head | Farming | Russia |
| 26 | Augusta Witt | 55 | Wife | Housewife | Russia |
| 27 | August Witt | 30 | Son | Farming | North Dakota |
| 28 | Emil Witt | 26 | Son | Farming | North Dakota |
| 29 | Melvin Walsky | 40 | Head | Farming | North Dakota |
| 30 | Wallace Walsky | 14 | Son | — | North Dakota |
| 31 | Beatrice Walsky | 12 | Daughter | — | North Dakota |
| 32 | Wesley Walsky | 10 | Son | — | North Dakota |
| 33 | Melroy Walsky | 4 | Son | — | North Dakota |
| 34 | Mrs. Carl Usatis | 35 | Housekeeper | Housekeeper | North Dakota |
| 35 | Lucille Usatis | 13 | Daughter | — | North Dakota |
| 36 | Hazel Usatis | 4 | Daughter | — | North Dakota |
| 37 | Joe Rustad | 45 | Head | Farm Labor | North Dakota |
| 38 | Doris Rustad | 35 | Wife | Housewife | North Dakota |
| 39 | Deloris Rustad | 0 | Daughter | — | North Dakota |
| 40 | Betsy Gussold | 72 | Head | — | Minnesota |
Related Census Records
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)