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Betty Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Betty Martin across the 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Martin |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | ST. MATTHEWS CITY |
| 1935 Residence (County) | JEFFERSON |
| Additional Details | |
| Highest Grade | G 6 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | St Matthews City |
| Est. Birth Year | ~1928 |
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 Betty | Age | Birth yr |
|---|---|---|---|---|
| Joyce Martin | Daughter | — | 1 | ~1939 |
| James Martin | Son | — | 9 | ~1931 |
| Teresa Martin | Spouse | — | 35 | ~1905 |
| Betty Martin | Daughter | — | 12 | ~1928 |
| James Martin | Head | — | 37 | ~1903 |
| Dorothy Martin | Daughter | — | 16 | ~1924 |
| Edna Martin | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Jefferson, Kentucky
Daughter, age 1
Jefferson, Kentucky · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Betty J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Daughter, age 12
Jefferson-County, Kentucky · implied b. ~1928 — 7 household members
| Surname | Martin |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | ST. MATTHEWS CITY |
| 1935 Residence (County) | JEFFERSON |
| Highest Grade | G 6 |
| 1935 Residence | Same House |
| 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 Betty Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Betty Martin
Daughter · 1940 · age 12 · b. ~1928 · Kentucky
★ You are viewing this record
Sibling
James Martin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joyce Martin
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Martin
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Martin
Sibling · 1940 · age 16
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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01320-00175)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard W. Head | 33 | Head | Salesman | Kentucky |
| 2 | Helen Head | 38 | Wife | Stenographer | Kentucky |
| 3 | Charles H. Greenman | 40 | Head | Chemist | Connecticut |
| 4 | Lucille Greenman | 36 | Wife | — | Kentucky |
| 5 | Charles H. Jr. Greenman | 13 | Son | — | Kentucky |
| 6 | Lucille Greenman | 8 | Daughter | — | Kentucky |
| 7 | Mary E. Greenman | 4 | Daughter | — | Kentucky |
| 8 | James L. Martin | 37 | Head | Warehouseman | Kentucky |
| 9 | Teresa Martin | 35 | Wife | — | Kentucky |
| 10 | Dorothy Martin | 16 | Daughter | — | Kentucky |
| 11 | Edna M. Martin | 14 | Daughter | — | Florida |
| 12 | Betty Martin THIS PERSON | 12 | Daughter | — | Kentucky |
| 13 | James L. Jr. Martin | 9 | Son | — | Kentucky |
| 14 | Joyce Martin | 1 | Daughter | — | Kentucky |
| 15 | Charles R. Jones | 43 | Head | Carpenter | Kentucky |
| 16 | Anna M. Jones | 45 | Wife | — | Kentucky |
| 17 | Stella L. Jones | 15 | Daughter | — | Kentucky |
| 18 | Evelyn M. Jones | 9 | Daughter | — | Kentucky |
| 19 | Herman J. Dickman | 50 | Brother-in-law | Laborer | Kentucky |
| 20 | George W. Dickman | 20 | Nephew | New Worker | Kentucky |
| 21 | Bertha H. Dickman | 16 | Niece | — | Kentucky |
| 22 | Austin A. Barnett | 36 | Head | Asst. Manager | Kentucky |
| 23 | Mildred Barnett | 34 | Wife | — | Kentucky |
| 24 | Carl W. Barnett | 10 | Son | — | Kentucky |
| 25 | Richard W. Hampton | 31 | Head | Asst. Supt. | Kentucky |
| 26 | Edna Hampton | 27 | Wife | — | Kentucky |
| 27 | Paul H. Pilcher | 37 | Head | Leasee | Kentucky |
| 28 | Carolyn Pilcher | 38 | Wife | — | Kentucky |
| 29 | John R. Moreman | 39 | Head | Deputy Commissioner | Kentucky |
| 30 | Louise Moreman | 34 | Wife | — | Kentucky |
| 31 | John S. Moreman | 10 | Son | — | Kentucky |
| 32 | Albert Kamer | 48 | Head | Teamster | Kentucky |
| 33 | Frances Kamer | 38 | Wife | — | Kentucky |
| 34 | Angeline Kamer | 17 | Daughter | Maid | Kentucky |
| 35 | Cecelia Kamer | 16 | Daughter | Maid | Kentucky |
| 36 | Loretta Kamer | 15 | Daughter | — | Kentucky |
| 37 | Frances Kamer | 13 | Daughter | — | Kentucky |
| 38 | Albert W. Kamer | 11 | Son | — | Kentucky |
| 39 | Mildred Kamer | 9 | Daughter | — | Kentucky |
| 40 | Florence Kamer | 6 | Daughter | — | 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)