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Bertha Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sedgwick-County, Kansas
Our Model Tree links this Bertha Martin across the 1920, 1930 and 1940 US Censuses in Sedgwick-County, Kansas (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 7-person household.
Age 41
b. ~1899
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sedgwick-County, Kansas |
| Surname | Martin |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Wichita City |
| 1935 Residence (County) | Sedgwick |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Wichita City |
| Est. Birth Year | ~1899 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Bertha Martin | Spouse | — | 41 | ~1899 |
| Ralph Martin | Head | — | 48 | ~1892 |
| Evelyn Martin | Daughter | — | 19 | ~1921 |
| Frank Martin | Son | — | 13 | ~1927 |
| Macellus Martin | Son | — | 12 | ~1928 |
| Warren Martin | Son | — | 16 | ~1924 |
| Norma Martin | Daughter | — | 5 | ~1935 |
Census Appearances
1920
Sedgwick, Kansas
Spouse, age 20
Sedgwick, Kansas · implied b. ~1900 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Sedgwick, Kansas
Other, age 30
Sedgwick, Kansas · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Bertha O. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 17 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Sedgwick-County, Kansas
Spouse, age 41
Sedgwick-County, Kansas · implied b. ~1899 — 7 household members
| Surname | Martin |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Wichita City |
| 1935 Residence (County) | Sedgwick |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Martin 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 Martin
Spouse · 1940 · age 41 · b. ~1899 · 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 — Sedgwick-County, Kansas
Open full size
1940 US Federal Census — Sedgwick-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01273-00495)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Milton Larity | 47 | Head | Paperhanger | Minnesota |
| 2 | Mary Larity | 46 | Wife | — | Arkansas |
| 3 | Earl M. Roberts | 40 | Head | Salesman | Kansas |
| 4 | Grace Roberts | 38 | Wife | — | Kansas |
| 5 | James Roberts | 5 | Son | — | Kansas |
| 6 | Reule Shambaugh | 53 | Lodger | Mechanic | Kansas |
| 7 | Ralph Martin | 48 | Head | Laborer | Kansas |
| 8 | Bertha Martin THIS PERSON | 41 | Wife | — | Missouri |
| 9 | Evelyn Martin | 19 | Daughter | New Worker | Kansas |
| 10 | Warren Martin | 16 | Son | — | Kansas |
| 11 | Frank Martin | 13 | Son | — | Kansas |
| 12 | Macellus Martin | 12 | Son | — | Kansas |
| 13 | Norma Martin | 5 | Daughter | — | Kansas |
| 14 | Robert Patterson | 34 | Head | Maint. Engineer | Kansas |
| 15 | William Francis | 24 | Brother-in-law | Welder | Oklahoma |
| 16 | Vida Francis | 25 | Sister | — | Missouri |
| 17 | Mary Francis | 2 | Niece | — | Kansas |
| 18 | Jessie Harpool | 22 | Sister | — | Missouri |
| 19 | Joyce Harpool | 3 | Niece | — | Kansas |
| 20 | Walter Steventon | 33 | Head | Rodman | Kansas |
| 21 | Norma Steventon | 28 | Wife | — | Arkansas |
| 22 | Edward Steventon | 9 | Son | — | Kansas |
| 23 | Jean Steventon | 6 | Daughter | — | Kansas |
| 24 | Donald Steventon | 4 | Son | — | Kansas |
| 25 | Lester Steventon | 1 | Son | — | Kansas |
| 26 | Herman Cahleton | 24 | Head | Machinist | Kansas |
| 27 | Opal Cahleton | 22 | Wife | — | Kansas |
| 28 | William Bailey | 12 | Brother-in-law | Salesman | Kansas |
| 29 | Virgil Wolf | 41 | Head | Truck Driver | Kansas |
| 30 | Gertrude Wolf | 31 | Wife | — | Colorado |
| 31 | Darlene Wolf | 6 | Daughter | — | Kansas |
| 32 | Clifton Salm | 43 | Head | Welder | Kansas |
| 33 | Ethel Salm | 37 | Wife | — | Iowa |
| 34 | Dorothy Salm | 14 | Daughter | — | Kansas |
| 35 | Velma Salm | 11 | Daughter | — | Kansas |
| 36 | Carol Salm | 8 | Daughter | — | Kansas |
| 37 | Arthur Lamb | 42 | Head | Salesman | Kansas |
| 38 | Zelma Lamb | 31 | Wife | — | Oklahoma |
| 39 | Austin Hodge | 31 | Head | Salesman | Missouri |
| 40 | Irma Hodge | 31 | 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)