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Martha Foster — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Kentucky
Our Model Tree links this Martha Foster across the 1930 and 1940 US Censuses in Washington-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Kentucky |
| Surname | Foster |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Mag Dist 5 |
| Est. Birth Year | ~1923 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Benjamin Foster | Son | — | 14 | ~1926 |
| Ezra Foster | Head | — | 54 | ~1886 |
| Alice Foster | Daughter | — | 16 | ~1924 |
| William Foster | Son | — | 20 | ~1920 |
| Edward Foster | Son | — | 7 | ~1933 |
| Martha Foster | Daughter | — | 17 | ~1923 |
| Carl Foster | Son | — | 10 | ~1930 |
Census Appearances
1930
Washington, Kentucky
Daughter, age 7
Washington, Kentucky · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Washington-County, Kentucky
Daughter, age 17
Washington-County, Kentucky · implied b. ~1923 — 7 household members
| Surname | Foster |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Washington |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Martha Foster across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Foster
Daughter · 1940 · age 17 · b. ~1923 · Kentucky
★ You are viewing this record
Sibling
Alice Foster
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Foster
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Foster
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Foster
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benjamin Foster
Sibling · 1940 · age 14
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 — Washington-County, Kentucky
Open full size
1940 US Federal Census — Washington-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01361-00280)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clifton Hardin | 1 | Son | — | Kentucky |
| 42 | Ezra Foster | 54 | Head | Laborer | Kentucky |
| 43 | William Arthur Foster | 20 | Son | — | Kentucky |
| 44 | Martha Foster THIS PERSON | 17 | Daughter | — | Kentucky |
| 45 | Alice Foster | 16 | Daughter | — | Kentucky |
| 46 | Benjamin Foster | 14 | Son | — | Kentucky |
| 47 | Carl Foster | 10 | Son | — | Kentucky |
| 48 | Edward Foster | 7 | Son | — | Kentucky |
| 49 | John H. Curtsinger | 45 | Head | Laborer | Kentucky |
| 50 | Annie May Curtsinger | 44 | Wife | — | Kentucky |
| 51 | Will Redmon | 55 | Head | — | Kentucky |
| 52 | Lizzie Redmon | 37 | Wife | — | Kentucky |
| 53 | Willie Faye Redmon | 13 | Daughter | — | Kentucky |
| 54 | Robert Walls | 31 | Head | — | Kentucky |
| 55 | Virgie Walls | 36 | Wife | — | Kentucky |
| 56 | Joseph Key | 52 | Head | Farmer | Kentucky |
| 57 | Harriet Key | 42 | Wife | — | Kentucky |
| 58 | Martha Ellen Key | 16 | Daughter | — | Kentucky |
| 59 | Johnnie Key | 14 | Son | — | Kentucky |
| 60 | Christina Key | 13 | Daughter | — | Kentucky |
| 61 | Ann Key | 11 | Daughter | — | Kentucky |
| 62 | Mattie Hunter | 73 | Mother | — | Kentucky |
| 63 | Emma Walker | 65 | Mother-in-law | — | Kentucky |
| 64 | Lucy R. Grundy | 67 | Head | Manager | Kentucky |
| 65 | Charlie L. Grundy | 75 | Husband | — | Kentucky |
| 66 | Gilbert Donahue | 53 | Head | Farmer | Kentucky |
| 67 | Susie Donahue | 52 | Wife | — | Kentucky |
| 68 | Joe E. Rippey | 44 | Head | Farmer | Kentucky |
| 69 | Dara Rippey | 50 | Wife | — | Kentucky |
| 70 | Joseph Hagan | 61 | Head | Farmer | Kentucky |
| 71 | Mattie Hagan | 46 | Wife | — | Kentucky |
| 72 | Nannie Mullican | 77 | Mother-in-law | — | Kentucky |
| 73 | Gerrard Weekey | 61 | Head | Merchant | Kentucky |
| 74 | Ursula Weekey | 62 | Wife | Clerk | Kentucky |
| 75 | Charlie Weekey | 40 | Son | Farmer | Kentucky |
| 76 | Walter F. Bland | 25 | Head | 40 | Kentucky |
| 77 | Louise N. Bland | 28 | Wife | — | Kentucky |
| 78 | Landus Emmitt Bland | 7 | Son | — | Kentucky |
| 79 | Donald Houston Bland | 4 | Son | — | Kentucky |
| 80 | Frances Marion Bland | 1 | Daughter | — | Kentucky |
Related Census Records
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)