BJ
Betty Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ada-County, Idaho
Our Model Tree links this Betty Johnson across the 1930 and 1940 US Censuses in Ada-County, Idaho (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Female
Daughter
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ada-County, Idaho |
| Surname | Johnson |
| Given Name | Betty J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Boise City |
| 1935 Residence (County) | Ada |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | Boise City |
| Est. Birth Year | ~1925 |
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 Betty | Age | Birth yr |
|---|---|---|---|---|
| Bonnie Johnson | Daughter | — | 13 | ~1927 |
| Wilma Johnson | Daughter | — | 5 | ~1935 |
| Betty Johnson | Daughter | — | 15 | ~1925 |
| Joan Johnson | Daughter | — | 6 | ~1934 |
| Donna Johnson | Daughter | — | 11 | ~1929 |
| James Johnson | Head | — | 42 | ~1898 |
| Paul Johnson | Son | — | 2 | ~1938 |
| James Johnson | Son | — | 9 | ~1931 |
| Robert Johnson | Son | — | 16 | ~1924 |
| Ethel Johnson | Spouse | — | 33 | ~1907 |
Census Appearances
1930
Ada, Idaho
Daughter, age 5
Ada, Idaho · implied b. ~1925 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Betty J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Ada-County, Idaho
Daughter, age 15
Ada-County, Idaho · implied b. ~1925 — 10 household members
| Surname | Johnson |
| Given Name | Betty J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Boise City |
| 1935 Residence (County) | Ada |
| Highest Grade | No 8 |
| 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 Betty Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Betty Johnson
Daughter · 1940 · age 15 · b. ~1925 · Idaho
★ You are viewing this record
Sibling
James Johnson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Johnson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Johnson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bonnie Johnson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donna Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilma Johnson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Johnson
Sibling · 1940 · age 2
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 — Ada-County, Idaho
Open full size
1940 US Federal Census — Ada-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00735-00799)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy D. Dimick | 15 | Daughter | — | Idaho |
| 2 | George A. Bates | 57 | Head | Carpenter | Kansas |
| 3 | Mabel V. Bates | 50 | Wife | Housewife | Kansas |
| 4 | L. Dally Bates | 20 | Daughter | — | Idaho |
| 5 | Dewitt Holbrook | 45 | Head | Laborer | Arkansas |
| 6 | Golda M. Holbrook | 40 | Wife | Housewife | Kansas |
| 7 | Jacob W. Spiker | 31 | Head | Baker | Tenn |
| 8 | Lillian M. Spiker | 26 | Wife | Housewife | Oklahoma |
| 9 | Donald W. Spiker | 4 | Son | — | Idaho |
| 10 | Twila J. Spiker | 2 | Daughter | — | Idaho |
| 11 | James R. Johnson | 42 | Head | Foreman | Oklahoma |
| 12 | Ethel E. Johnson | 33 | Wife | Housewife | Idaho |
| 13 | Robert E. Johnson | 16 | Son | Laborer | Idaho |
| 14 | Betty J. Johnson THIS PERSON | 15 | Daughter | — | Idaho |
| 15 | Bonnie E. Johnson | 13 | Daughter | — | Idaho |
| 16 | Donna J. Johnson | 11 | Daughter | — | Idaho |
| 17 | James R. Johnson | 9 | Son | — | Idaho |
| 18 | Joan M. Johnson | 6 | Daughter | — | Oregon |
| 19 | Wilma L. Johnson | 5 | Daughter | — | Idaho |
| 20 | Paul Johnson | 2 | Son | — | Idaho |
| 21 | Delbert H. Johnson | 41 | Head | Salesman | Idaho |
| 22 | Lena M. Johnson | 41 | Wife | Housewife | Idaho |
| 23 | Norma L. Johnson | 19 | Daughter | — | Idaho |
| 24 | Wilda E. Johnson | 17 | Daughter | — | Idaho |
| 25 | Keith D. Johnson | 15 | Son | — | Idaho |
| 26 | Harold P. Johnson | 12 | Son | — | Idaho |
| 27 | Dean H. Johnson | 9 | Son | — | Idaho |
| 28 | James Y. Johnson | 4 | Son | — | Idaho |
| 29 | Harry A. Liles | 36 | Head | Car Loader | Nebraska |
| 30 | Georgia E. Liles | 31 | Wife | Housewife | Nebraska |
| 31 | Eugene H. Liles | 11 | Son | — | Wyoming |
| 32 | Jessie E. Liles | 9 | Daughter | — | Idaho |
| 33 | Richard K. Liles | 3 | Son | — | Idaho |
| 34 | Curtis A. Blackwell | 31 | Head | Plumber | Illinois |
| 35 | Laura M. Blackwell | 33 | Wife | Housewife | Idaho |
| 36 | Donald C. Blackwell | 4 | Son | — | Idaho |
| 37 | Laverne J. Blackwell | 3 | Daughter | — | Idaho |
| 38 | Berlin J. Holley | 34 | Head | Shop Painter | Oklahoma |
| 39 | Inez M. Holley | 35 | Wife | Housewife | Kansas |
| 40 | Janet M. Holley | 1 | Daughter | — | Idaho |
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)