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Eva Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Kentucky
Our Model Tree links this Eva Martin across the 1930 and 1940 US Censuses in Knox-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Kentucky |
| Surname | Martin |
| Given Name | Eva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magisterial District 1 |
| Est. Birth Year | ~1929 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Eva | Age | Birth yr |
|---|---|---|---|---|
| Mary Martin | Spouse | — | 44 | ~1896 |
| Charles Martin | Son | — | 18 | ~1922 |
| Burl Martin | Son | — | 20 | ~1920 |
| Wilma Martin | Daughter | — | 4 | ~1936 |
| Ray Martin | Son | — | 2 | ~1938 |
| James Martin | Son | — | 8 | ~1932 |
| Eva Martin | Daughter | — | 11 | ~1929 |
| Donald Martin | Son | — | 6 | ~1934 |
| Jonah Martin | Head | — | 52 | ~1888 |
| Virgie Martin | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Knox, Kentucky
Daughter, age 1
Knox, Kentucky · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Eva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Knox-County, Kentucky
Daughter, age 11
Knox-County, Kentucky · implied b. ~1929 — 10 household members
| Surname | Martin |
| Given Name | Eva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Knox |
| Highest Grade | No 3 |
| 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 Eva Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Eva Martin
Daughter · 1940 · age 11 · b. ~1929 · Kentucky
★ You are viewing this record
Sibling
Wilma Martin
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Martin
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virgie Martin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Martin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Martin
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Burl Martin
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Martin
Sibling · 1940 · age 6
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 — Knox-County, Kentucky
Open full size
1940 US Federal Census — Knox-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01326-00691)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eva E. Unthank | 21 | Daughter | — | Kentucky |
| 2 | Jesse E. Unthank | 4 | Grandson | — | Kentucky |
| 3 | Ethel M. Unthank | 1 | Granddaughter | — | Kentucky |
| 4 | Durham Messer | 34 | Head | Miner | Kentucky |
| 5 | Gladys Messer | 34 | Wife | School Teacher | Kentucky |
| 6 | Bobbie J. Messer | 10 | Daughter | — | Kentucky |
| 7 | Homer Unthank | 45 | Head | Section Laborer | Kentucky |
| 8 | Emma Unthank | 40 | Wife | — | Kentucky |
| 9 | Earl Unthank | 9 | Son | — | Kentucky |
| 10 | Jake Kindred | 72 | Head | — | Virginia |
| 11 | Mary Kindred | 63 | Wife | — | Kentucky |
| 12 | James Unthank | 38 | Step-son | Barber | Kentucky |
| 13 | Frank Billow | 38 | Head | Driver | Kentucky |
| 14 | Lula Billow | 39 | Wife | — | Kentucky |
| 15 | Arthur Billow | 15 | Son | — | Kentucky |
| 16 | Opal M. Billow | 12 | Daughter | — | Kentucky |
| 17 | Marcella Billow | 9 | Daughter | — | Kentucky |
| 18 | Ellen Billow | 48 | Sister | — | Kentucky |
| 19 | Robert L. Richardson | 29 | Head | Machinist | Tennessee |
| 20 | Lois Richardson | 24 | Wife | — | Kentucky |
| 21 | James Williams | 19 | Boarder | Laborer | Kentucky |
| 22 | W. H. Lawson | 27 | Head | Miner | Kentucky |
| 23 | Lorene Lawson | 21 | Wife | — | Kentucky |
| 24 | Dewey Cobb | 34 | Head | Miner | Kentucky |
| 25 | Lula Mae Cobb | 24 | Wife | — | Kentucky |
| 26 | R. Bobby Cobb | 3 | Son | — | Kentucky |
| 27 | Bonnie F. Cobb | 2 | Daughter | — | Kentucky |
| 28 | John R. Cobb | 0 | Son | — | Kentucky |
| 29 | Roy Trooper | 6 | Step-son | — | Kentucky |
| 30 | Jonah Martin | 52 | Head | Mill Hand | Kentucky |
| 31 | Mary Martin | 44 | Wife | — | Kentucky |
| 32 | Burl Martin | 20 | Son | Farmer | Kentucky |
| 33 | Charles Martin | 18 | Son | Mill Hand | Kentucky |
| 34 | Virgie Martin | 13 | Daughter | — | Kentucky |
| 35 | Eva Martin THIS PERSON | 11 | Daughter | — | Kentucky |
| 36 | James Martin | 8 | Son | — | Kentucky |
| 37 | Donald, Jr. Martin | 6 | Son | — | Kentucky |
| 38 | Wilma J. Martin | 4 | Daughter | — | Kentucky |
| 39 | Ray E. Martin | 2 | Son | — | Kentucky |
| 40 | Jesse Wolbudrow | 57 | Head | — | Kentucky |
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)