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Bertha Lewis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kansas
Our Model Tree links this Bertha Lewis across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kansas (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 3-person household.
Age 47
b. ~1893
Female
Spouse
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kansas |
| Surname | Lewis |
| Given Name | Bertha E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Perry city |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Perry City |
| Est. Birth Year | ~1893 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Lee Lewis | Head | — | 53 | ~1887 |
| Bertha Lewis | Spouse | — | 47 | ~1893 |
| Avis Lewis | Daughter | — | 19 | ~1921 |
Census Appearances
1920
Jefferson, Kansas
Spouse, age 26
Jefferson, Kansas · implied b. ~1894 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Bertha D. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Jefferson, Kansas
Spouse, age 37
Jefferson, Kansas · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Bertha E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 18 |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Jefferson-County, Kansas
Spouse, age 47
Jefferson-County, Kansas · implied b. ~1893 — 3 household members
| Surname | Lewis |
| Given Name | Bertha E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Perry city |
| 1935 Residence (County) | Jefferson |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Bertha Lewis
Spouse · 1940 · age 47 · b. ~1893 · Kansas
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Jefferson-County, Kansas
Open full size
1940 US Federal Census — Jefferson-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01236-00102)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William W Mitchell | 75 | Head | Farmer | Kansas |
| 2 | Ella M Mitchell | 71 | Wife | — | Kansas |
| 3 | Fannie M Otwell | 41 | Daughter | Housewife | Kansas |
| 4 | Harriette J Otwell | 10 | Granddaughter | — | Kansas |
| 5 | Orin Woodson | 49 | Head | Carpenter | Kansas |
| 6 | Vertie Woodson | 48 | Wife | — | Kansas |
| 7 | Olen Hurd | 33 | Head | Trucker | Kansas |
| 8 | Latha Hurd | 29 | Wife | — | Kansas |
| 9 | Loretta Hurd | 8 | Daughter | — | Kansas |
| 10 | Le Roy Hurd | 6 | Son | — | Kansas |
| 11 | Cornelius F Goffert | 63 | Head | Unskilled Labor | Kansas |
| 12 | Nellie Goffert | 57 | Wife | — | Kansas |
| 13 | Marjorie J Goffert | 15 | Daughter | — | Kansas |
| 14 | Addie L Reynolds | 61 | Head | — | Kansas |
| 15 | Russell Reynolds | 32 | Son | Day Work | Kansas |
| 16 | Jordan Roper | None | George H | 84 | No 8 |
| 17 | Mabel E Roper | 28 | Wife | Operator | Missouri |
| 18 | Marie N Roper | 8 | Daughter | — | Kansas |
| 19 | Carol Jean Roper | 6 | Daughter | — | Kansas |
| 20 | George Robert Roper | 5 | Son | — | Kansas |
| 21 | Chalice Arnholter | 19 | Maid | Housekeeper | Oklahoma |
| 22 | Roy U Dick | 40 | Head | Retail Grain Dealer | Kansas |
| 23 | Esther W Dick | 35 | Wife | — | Kansas |
| 24 | Paul Word | 27 | Head | Trimmer | Missouri |
| 25 | Wanda Word | 24 | Wife | — | Kansas |
| 26 | Herschel Chas Childress | 5 | Boarder | — | Missouri |
| 27 | Lee Ora Lewis | 53 | Head | Unskilled Labor | Kansas |
| 28 | Bertha E Lewis THIS PERSON | 47 | Wife | — | Kansas |
| 29 | Avis D Lewis | 19 | Daughter | — | Kansas |
| 30 | Roy Cameron | 41 | Head | School Teacher | Kansas |
| 31 | Janie Cameron | 38 | Wife | — | Kansas |
| 32 | Patricia Cameron | 11 | Daughter | — | Kansas |
| 33 | Elizabeth Knapp | 77 | Head | — | Kentucky |
| 34 | Robert Cliff | 59 | Head | Unskilled Labor | Missouri |
| 35 | Hazel Cliff | 43 | Wife | Laundry Work | Kansas |
| 36 | Helen Cliff | 22 | Daughter | Telephone Operator | Kansas |
| 37 | John Cliff | 19 | Son | — | Kansas |
| 38 | Gerald Cliff | 14 | Son | — | Kansas |
| 39 | Walter A Reavis | 47 | Head | Section Foreman | Kansas |
| 40 | Melva Reavis | 36 | Wife | — | Kansas |
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)