KM
Katherine Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Coffey-County, Kansas
Our Model Tree links this Katherine Martin across the 1930 and 1940 US Censuses in Coffey-County, Kansas (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Female
Daughter
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Coffey-County, Kansas |
| Surname | Martin |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | City |
| 1935 Residence (County) | Coffey |
| Additional Details | |
| Industry | 0 |
| Class of Worker | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | City |
| Est. Birth Year | ~1926 |
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 Katherine | Age | Birth yr |
|---|---|---|---|---|
| Velma Martin | Daughter | — | 16 | ~1924 |
| Cecil Bell | Other | — | 18 | ~1922 |
| William Martin | Son | — | 20 | ~1920 |
| Jerry Martin | Son | — | 8 | ~1932 |
| Madeline Martin | Spouse | — | 34 | ~1906 |
| Mary Bell | Daughter | — | 18 | ~1922 |
| Katherine Martin | Daughter | — | 14 | ~1926 |
| Perry Martin | Head | — | 44 | ~1896 |
| Lottie Martin | Daughter | — | 2 | ~1938 |
Census Appearances
1930
Coffey, Kansas
Daughter, age 4
Coffey, Kansas · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Coffey-County, Kansas
Daughter, age 14
Coffey-County, Kansas · implied b. ~1926 — 9 household members
| Surname | Martin |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | City |
| 1935 Residence (County) | Coffey |
| Industry | 0 |
| Class of Worker | 0 |
| Highest Grade | H 2 |
| 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 Katherine Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Katherine Martin
Daughter · 1940 · age 14 · b. ~1926 · Kansas
★ You are viewing this record
Sibling
Velma Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Martin
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lottie Martin
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerry Martin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Bell
Sibling · 1940 · age 18
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 — Coffey-County, Kansas
Open full size
1940 US Federal Census — Coffey-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01225-00607)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ida Fizler | 65 | Head | — | Kansas |
| 2 | Floyd Foresight | 50 | Head | General Field | Kansas |
| 3 | Marie Foresight | 43 | Wife | — | Kansas |
| 4 | John Hunter | 63 | Head | General Field | Kansas |
| 5 | Leona Hunter | 33 | Wife | — | Kansas |
| 6 | William Hunter | 69 | Brother | — | Indiana |
| 7 | Perry Martin | 44 | Head | General Field | Kansas |
| 8 | Madeline Martin | 34 | Wife | — | Kansas |
| 9 | William Martin | 20 | Son | General Field | Kansas |
| 10 | Velma Martin | 16 | Daughter | Candler | Kansas |
| 11 | Katherine Martin THIS PERSON | 14 | Daughter | — | Kansas |
| 12 | Jerry Lee Martin | 8 | Son | — | Kansas |
| 13 | Lottie Joe Martin | 2 | Daughter | — | Kansas |
| 14 | Cecil Bell | 18 | Son in law | Mill Worker | Kansas |
| 15 | Mary Bell | 18 | Daughter | Panning | Kansas |
| 16 | Arthur Slusher | 31 | Head | Truck Driver | Kansas |
| 17 | Marie Slusher | 33 | Wife | — | Missouri |
| 18 | Edward Lee Slusher | 12 | Son | — | Kansas |
| 19 | Paul Martin Slusher | 10 | Son | — | Kansas |
| 20 | Curtis Marie Slusher | 9 | Daughter | — | Kansas |
| 21 | Robert Joseph Slusher | 7 | Son | — | Kansas |
| 22 | Ray Melvin Slusher | 4 | Son | — | Kansas |
| 23 | Glenn Riddell | 20 | Head | Road Const | Kansas |
| 24 | Hazel Riddell | 21 | Wife | — | Kansas |
| 25 | Doris Marie Riddell | 2 | Daughter | — | Kansas |
| 26 | Lee Aylward | 32 | Head | Salesman & Driver | Kansas |
| 27 | Edith Aylward | 31 | Wife | — | Kansas |
| 28 | John Charles Aylward | 5 | Son | — | Kansas |
| 29 | Gary Joe Aylward | 2 | Son | — | Kansas |
| 30 | Erna Cox | 48 | Head | Egg Farmer | Kansas |
| 31 | Stella Cox | 40 | Wife | — | Kansas |
| 32 | Charles Cox | 16 | Son | — | Kansas |
| 33 | Erna Jr. Cox | 14 | Son | — | Kansas |
| 34 | Frankie Cox | 9 | Son | — | Kansas |
| 35 | Ray Dean Cox | 5 | Son | — | Kansas |
| 36 | Barbara Jean Cox | 1 | Daughter | — | Kansas |
| 37 | Marion H Hoover | 32 | Head | Ice Plant | Kansas |
| 38 | Elizabeth Hoover | 34 | Wife | — | Kansas |
| 39 | Betty Michelle Hoover | 11 | Daughter | — | Kansas |
| 40 | Barbara Jeanne Hoover | 9 | Daughter | — | 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)