BL
Bertha Lewis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washakie-County, Wyoming
Our Model Tree links this Bertha Lewis across the 1930 and 1940 US Censuses in Washakie-County, Wyoming (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 9-person household.
Age 28
b. ~1912
Female
Daughter
Born: Wyoming
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washakie-County, Wyoming |
| Surname | Lewis |
| Given Name | Bertha L. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Wyoming |
| 1935 Residence (City) | Ten Sleep Town |
| 1935 Residence (County) | Washakie |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
| Township / Ward | Ten Sleep Town |
| Est. Birth Year | ~1912 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Harold Lewis | Son | — | 7 | ~1933 |
| Jerry Lewis | Son | — | 9 | ~1931 |
| Willie Lewis | Head | — | 57 | ~1883 |
| Bertha Lewis | Daughter | — | 28 | ~1912 |
| Ray Lewis | Son | — | 30 | ~1910 |
| Bernadine Lewis | Daughter | — | 5 | ~1935 |
| John Lewis | Son | — | ~1940 | |
| Stella Lewis | Spouse | — | 52 | ~1888 |
| Thelma Lewis | Daughter | — | 2 | ~1938 |
Census Appearances
1930
Washakie, Wyoming
Other, age 18
Washakie, Wyoming · implied b. ~1912 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Bertha |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Married |
| Birthplace | Wyoming |
| Age at First Marriage | 17 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Wyoming |
| Can Read/Write | Yes |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
1940
Washakie-County, Wyoming
Daughter, age 28
Washakie-County, Wyoming · implied b. ~1912 — 9 household members
| Surname | Lewis |
| Given Name | Bertha L. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Wyoming |
| 1935 Residence (City) | Ten Sleep Town |
| 1935 Residence (County) | Washakie |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
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 Bertha Lewis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Lewis
Daughter · 1940 · age 28 · b. ~1912 · Wyoming
★ You are viewing this record
Sibling
Jerry Lewis
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernadine Lewis
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Lewis
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Lewis
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Lewis
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Lewis
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 — Washakie-County, Wyoming
Open full size
1940 US Federal Census — Washakie-County, Wyoming
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04577-00038)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sophie Lofie | 70 | mother | — | Norway |
| 42 | Willie H. Lewis | 57 | Head | Farmer | Nebraska |
| 43 | Stella Lewis | 52 | wife | — | Nebraska |
| 44 | Ray O. Lewis | 30 | son | Farmer | Wyoming |
| 45 | Bertha L. Lewis THIS PERSON | 28 | daughter | — | Wyoming |
| 46 | Jerry R. Lewis | 9 | son | — | Wyoming |
| 47 | Harold W. Lewis | 7 | son | — | Wyoming |
| 48 | Bernadine Lewis | 5 | daughter | — | Wyoming |
| 49 | Thelma Lewis | 2 | daughter | — | Wyoming |
| 50 | John C. Lewis | 0 | son | — | Wyoming |
| 51 | Newton Bader | 57 | Head | Farmer | Nebraska |
| 52 | Gertrude M. Bader | 52 | wife | — | Wyoming |
| 53 | Neil F. Bader | 16 | son | Laborer | Wyoming |
| 54 | Benj L. Bader | 15 | son | Laborer | Wyoming |
| 55 | Lloyd Bader | 28 | Head | Farmer | Wyoming |
| 56 | Mildred Bader | 21 | wife | — | Wyoming |
| 57 | James W. Allen | 56 | Head | Farmer | Colorado |
| 58 | Edith B. Allen | 44 | wife | — | Wyoming |
| 59 | Yates Allen | 23 | son | Laborer | Wyoming |
| 60 | Ada C. Allen | 16 | daughter | — | Wyoming |
| 61 | Don Roy Allen | 14 | son | — | Wyoming |
| 62 | Libby L. Lewis | 76 | in-law | — | Minnesota |
| 63 | Ole Bjornstad | 45 | Head | Sheepman | Norway |
| 64 | Bertha L. Bjornstad | 41 | wife | — | Montana |
| 65 | Raymond Bjornstad | 17 | son | Laborer | Montana |
| 66 | Orville N. Bjornstad | 16 | son | Laborer | Wyoming |
| 67 | Bernard C. Bjornstad | 10 | son | — | Montana |
| 68 | Billie A. Bjornstad | 3 | son | — | Wyoming |
| 69 | J. O. Donahue | 65 | Laborer | Laborer | Virginia |
| 70 | Bert Varner | 57 | Head | Farmer | Nebraska |
| 71 | Ambra P. Varner | 48 | wife | — | Nebraska |
| 72 | M. Joyce Varner | 7 | daughter | — | Wyoming |
| 73 | Earl D. Varner | 24 | Head | Farmer | Wyoming |
| 74 | Gertrude Varner | 21 | wife | — | Wyoming |
| 75 | Fred B. Edwards | 29 | Laborer | Laborer | Wisconsin |
| 76 | Charles Duncan | 66 | Head | Farmer | Utah |
| 77 | Anna G. Duncan | 60 | wife | — | Kentucky |
| 78 | Carroll Duncan | 24 | son | Laborer | Wyoming |
| 79 | Ruby Oak Duncan | 19 | son | Laborer | Wyoming |
| 80 | Earl Brown | 57 | Head | Farmer | Ohio |
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)