KM
Katherine Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Tennessee
Our Model Tree links this Katherine Martin across the 1920, 1930 and 1940 US Censuses in Washington-County, Tennessee (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 3-person household.
Age 48
b. ~1892
Female
Spouse
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Tennessee |
| Surname | Martin |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Johnson City |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Johnson City |
| Est. Birth Year | ~1892 |
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 Katherine | Age | Birth yr |
|---|---|---|---|---|
| Katherine Martin | Spouse | — | 48 | ~1892 |
| Leal Martin | Head | — | 41 | ~1899 |
| Leal Martin | Son | — | 16 | ~1924 |
Census Appearances
1920
Washington, Tennessee
Spouse, age 28
Washington, Tennessee · implied b. ~1892 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Katharine J. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Stenographer |
| Industry | W. Brown & Co. |
| Class of Worker | Sal |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Washington, Tennessee
Other, age 38
Washington, Tennessee · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Katherine |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 26 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Washington-County, Tennessee
Spouse, age 48
Washington-County, Tennessee · implied b. ~1892 — 3 household members
| Surname | Martin |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Johnson City |
| 1935 Residence (County) | Washington |
| Income (1939) | 0 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Katherine Martin
Spouse · 1940 · age 48 · b. ~1892 · Tennessee
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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 — Washington-County, Tennessee
Open full size
1940 US Federal Census — Washington-County, Tennessee
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03944-00401)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wm J. Carter | 45 | Head | Attorney | Tennessee |
| 42 | Anna Ruth Carter | 43 | Wife | — | Tennessee |
| 43 | Anne Maria Carter | 17 | Daughter | — | Tennessee |
| 44 | Margaret Carter | 15 | Daughter | — | Tennessee |
| 45 | Wm Jackson Carter | 12 | Son | — | Tennessee |
| 46 | Robert Bowman Carter | 9 | Son | — | Tennessee |
| 47 | Janice Carter | 5 | Daughter | — | Tennessee |
| 48 | Walter E. Haun, Mrs. | 62 | Head | — | Kansas |
| 49 | George T. Speed | 37 | Son in law | Salesman | N. Carolina |
| 50 | Anita Speed | 36 | Daughter | — | Tennessee |
| 51 | Mary Anita Speed | 12 | Granddaughter | — | Tennessee |
| 52 | Martha Gene Speed | 11 | Granddaughter | — | Tennessee |
| 53 | H. Harry Wade | 62 | Head | Salesman | Virginia |
| 54 | Golden Wade | 55 | Wife | — | Virginia |
| 55 | Harry W. Wade | 31 | Son | Salesman | Tennessee |
| 56 | Sallie J. Wilburn | 78 | Mother in law | — | Virginia |
| 57 | David Leonard, Mrs. | 44 | Head | — | Virginia |
| 58 | Jane Leonard, Mrs. | 16 | Daughter | — | Virginia |
| 59 | Myrtle Smith | 51 | Lodger | Public Health Nurse | S. Carolina |
| 60 | Golden Williams | 36 | Lodger | Public Health Nurse | Tennessee |
| 61 | J. Erbie Boyd | 50 | Head | Traveling Salesman | Tennessee |
| 62 | Grace Boyd | 38 | Wife | Music Teacher | Kentucky |
| 63 | Marshall A. Smoot | 58 | Head | — | Illinois |
| 64 | Nora Miller Smoot | 56 | Wife | — | Tennessee |
| 65 | Robert B. Boyd | 24 | Head | Minister | Florida |
| 66 | Margaret Boyd | 21 | Wife | — | Tennessee |
| 67 | Chas. E. Coy, Mrs. | 65 | Head | — | Indiana |
| 68 | Charlotte Coy, Mrs. | 30 | Daughter | Teacher | Tennessee |
| 69 | Darcie T. Findel | 32 | Son in law | Office Mgr | Georgia |
| 70 | Dorothy Findel | 32 | Daughter | — | Tennessee |
| 71 | Carolin Findel | 4 | Granddaughter | — | Tennessee |
| 72 | Mrs. Lillie Ann Huber | 63 | Sister | — | Indiana |
| 73 | Kirk Wade Robbins | 64 | Head | Minister | Kansas |
| 74 | Ruth Gates Robbins | 45 | Wife | — | Vermont |
| 75 | Henry C. Morgan | 71 | Head | — | Tennessee |
| 76 | Nancy A. Morgan | 74 | Wife | — | West Virginia |
| 77 | Leal F. Martin | 41 | Head | Proprietor | Tennessee |
| 78 | Katherine Martin THIS PERSON | 48 | Wife | — | Tennessee |
| 79 | Leal F. Jr. Martin | 16 | Son | — | Tennessee |
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)