LJ
Lewis Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Twin-Falls-County, Idaho
Our Model Tree links this Lewis Johnson across the 1930 and 1940 US Censuses in Twin-Falls-County, Idaho (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Male
Son
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Twin-Falls-County, Idaho |
| Surname | Johnson |
| Given Name | Lewis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Twin Falls |
| Additional Details | |
| Highest Grade | G 5 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | Kimberly |
| Est. Birth Year | ~1928 |
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 Lewis | Age | Birth yr |
|---|---|---|---|---|
| Faye Johnson | Daughter | — | 8 | ~1932 |
| Kathleen Johnson | Daughter | — | 6 | ~1934 |
| Nadine Johnson | Daughter | — | 10 | ~1930 |
| Shirley Johnson | Daughter | — | 9 | ~1931 |
| Harley Johnson | Head | — | 52 | ~1888 |
| Edward Rupe | Other | — | 13 | ~1927 |
| Norma Rupe | Other | — | 17 | ~1923 |
| Lewis Johnson | Son | — | 12 | ~1928 |
| Owen Johnson | Son | — | 11 | ~1929 |
| Mildred Johnson | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Twin Falls, …
Son, age 3
Twin Falls, Idaho · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lewis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Washington |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Twin-Falls-County, Idaho
Son, age 12
Twin-Falls-County, Idaho · implied b. ~1928 — 10 household members
| Surname | Johnson |
| Given Name | Lewis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Twin Falls |
| Highest Grade | G 5 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Lewis Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lewis Johnson
Son · 1940 · age 12 · b. ~1928 · Idaho
★ You are viewing this record
Sibling
Nadine Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Owen Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Johnson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Faye Johnson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen 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 — Twin-Falls-County, Idaho
Open full size
1940 US Federal Census — Twin-Falls-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00754-00399)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Tadlock | 27 | Head | Farmer | Idaho |
| 42 | Lorene Tadlock | 18 | Wife | Maid | Missouri |
| 43 | Joseph Burtrum | 38 | Head | Labour | Kansas |
| 44 | Ella Vivian Burtrum | 30 | Wife | — | Oklahoma |
| 45 | Billy D. Burtrum | 10 | Son | — | Oklahoma |
| 46 | Eddie D. Burtrum | 4 | Son | — | Kansas |
| 47 | Dale D. Burtrum | 1 | Daughter | — | Idaho |
| 48 | Lee Hayes | 29 | Head | Potato Sorter | Kansas |
| 49 | Mary Hayes | 19 | Wife | — | Nebraska |
| 50 | Ernest John | 44 | Head | Farmer | Nebraska |
| 51 | Clara A. John | 43 | Wife | Housekeeper | Nebraska |
| 52 | Weir John | 10 | Son | — | Nebraska |
| 53 | Harold A. Jones | 23 | Lodger | Labour | Minnesota |
| 54 | Charles Ferguson | 60 | Head | Laborer | Missouri |
| 55 | Harold Ferguson | 23 | Son | Laborer | Missouri |
| 56 | John Kaufman | 76 | Head | — | Wisconsin |
| 57 | Leslie Thorpe | 53 | Head | Pastry Baker | Iowa |
| 58 | Harley P. Johnson | 52 | Head | Carpenter | Oregon |
| 59 | Mildred A. Johnson | 42 | Wife | — | Washington |
| 60 | Norma Jean Rupe | 17 | Step-daughter | — | Idaho |
| 61 | Edward Rupe | 13 | Step-son | — | Idaho |
| 62 | Lewis Johnson THIS PERSON | 12 | Son | — | Idaho |
| 63 | Owen Johnson | 11 | Son | — | Idaho |
| 64 | Nadine Johnson | 10 | Daughter | — | Idaho |
| 65 | Shirley Johnson | 9 | Daughter | — | Idaho |
| 66 | Faye Johnson | 8 | Daughter | — | Idaho |
| 67 | Kathleen Johnson | 6 | Daughter | — | Idaho |
| 68 | Ernest Thongren | 48 | Head | Laborer | Missouri |
| 69 | Charles Reynolds | 58 | Head | Landscaper | Pennsylvania |
| 70 | Nellie Reynolds | 44 | Wife | — | Oklahoma |
| 71 | Norma Reynolds | 11 | Daughter | — | Idaho |
| 72 | Willie Houston | 47 | Head | Farmer | Arkansas |
| 73 | Tennie Houston | 44 | Wife | — | Texas |
| 74 | Samuel Houston | 21 | Son | Laborer | Arkansas |
| 75 | Philip Houston | 15 | Son | Laborer | Texas |
| 76 | Esther Houston | 14 | Daughter | — | Oklahoma |
| 77 | James Houston | 13 | Son | — | Idaho |
| 78 | William Meservey | 34 | Head | Farmer | Nebraska |
| 79 | Hilda Meservey | 33 | Wife | — | Nebraska |
| 80 | James William Meservey | 10 | Son | — | Nebraska |
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)