LJ
Leo Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Treasure-County, Montana
Our Model Tree links this Leo Johnson across the 1930 and 1940 US Censuses in Treasure-County, Montana (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Male
Son
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Treasure-County, Montana |
| Surname | Johnson |
| Given Name | Leo R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Hysham Town |
| 1935 Residence (County) | Treasure |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same House |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | Hysham Town |
| Est. Birth Year | ~1926 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leo | Age | Birth yr |
|---|---|---|---|---|
| George Johnson | Son | — | 19 | ~1921 |
| Gerhard Johnson | Head | — | 50 | ~1890 |
| Elsa Johnson | Spouse | — | 44 | ~1896 |
| Leo Johnson | Son | — | 14 | ~1926 |
| Albert Johnson | Son | — | 22 | ~1918 |
| Ruth Bergsten | Other | — | 16 | ~1924 |
| Clarence Johnson | Son | — | 17 | ~1923 |
| Elias Johnson | Son | — | 6 | ~1934 |
Census Appearances
1930
Treasure, Montana
Son, age 4
Treasure, Montana · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leo R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Treasure-County, Montana
Son, age 14
Treasure-County, Montana · implied b. ~1926 — 8 household members
| Surname | Johnson |
| Given Name | Leo R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Hysham Town |
| 1935 Residence (County) | Treasure |
| Highest Grade | 7 |
| 1935 Residence | Same House |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Leo Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leo Johnson
Son · 1940 · age 14 · b. ~1926 · Montana
★ You are viewing this record
Sibling
George Johnson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Johnson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elias Johnson
Sibling · 1940 · age 6
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 — Treasure-County, Montana
Open full size
1940 US Federal Census — Treasure-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02232-01122)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Regina Snelhey|Snelkey | 48 | Head | Owner Manager | Minnesota |
| 2 | John Bennett Snelhey|Snelkey | 19 | Son | Salesman | Montana |
| 3 | Margaret Ann Snelhey|Snelkey | 15 | Daughter | — | Montana |
| 4 | Dorothy Jean Snelhey|Snelkey | 14 | Daughter | — | Montana |
| 5 | Helen Joan Snelhey|Snelkey | 14 | Daughter | — | Montana |
| 6 | Corrine Marie Snelhey|Snelkey | 12 | Daughter | — | Montana |
| 7 | Colleen Theresa Snelhey|Snelkey | 12 | Daughter | — | Montana |
| 8 | William D. Free | 63 | Head | Salesman | Missouri |
| 9 | Irene M. Free | 58 | Wife | — | Missouri |
| 10 | Delvina Luccia | 18 | Lodger | — | Montana |
| 11 | Walter S. Williamson | 67 | Head | Deputy Sheriff | Missouri |
| 12 | Lucy Williamson | 65 | Wife | — | Kentucky |
| 13 | Gerhard Johnson | 50 | Head | Engineer | Norway |
| 14 | Elsa V. Johnson | 44 | Wife | — | Sweden |
| 15 | Albert H. Johnson | 22 | Son | Engineer | Montana |
| 16 | George Johnson | 19 | Son | Engineer | Montana |
| 17 | Clarence J. Johnson | 17 | Son | — | Montana |
| 18 | Leo R. Johnson THIS PERSON | 14 | Son | — | Montana |
| 19 | Elias R. Johnson | 6 | Son | — | Montana |
| 20 | Ruth Bergsten | 16 | Niece | — | Minnesota |
| 21 | Helen M. Henecke | 46 | Head | Teacher | Wisconsin |
| 22 | James R. Henecke | 21 | Son | Assistant Postmaster | Montana |
| 23 | Amelia B. Manning | 72 | Mother | — | Wisconsin |
| 24 | Irene Hohn | 48 | Sister | Post Mistress | Wisconsin |
| 25 | Leona M. Hohn | 44 | Sister | Teacher | Wisconsin |
| 26 | Jeff J. Hohn | 14 | Nephew | — | Montana |
| 27 | Ray J. Rine | 35 | Head | State Highway | Iowa |
| 28 | Bernice F. Rine | 34 | Wife | — | North Dakota |
| 29 | Arthur J. Rine | 2 | Son | — | Montana |
| 30 | Elizabeth Lee Rine | 2 | Daughter | — | Montana |
| 31 | Guy L. Bredlow | 51 | Head | Manager | Nebraska |
| 32 | Edith G. Bredlow | 50 | Wife | — | Nebraska |
| 33 | Ernest E. Fenton | 40 | Head | Attorney | Nebraska |
| 34 | Evelyn Fenton | 39 | Wife | — | Minnesota |
| 35 | Phyllis L. Fenton | 16 | Daughter | — | Montana |
| 36 | George H. Hilding | 49 | Head | Proprietor | Minnesota |
| 37 | Mabel E. Hilding | 36 | Wife | Saleslady | Minnesota |
| 38 | John Bennett Hilding | 6 | Son | — | Montana |
| 39 | Rebecca Greason | 31 | Sister | Teacher | Montana |
| 40 | John Greason | 27 | Brother | Office Clerk | Montana |
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)