MC
Mary Cain — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Cain across the 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 13-person household.
Age 15
b. ~1925
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Cain |
| Given Name | Mary Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Class of Worker | H |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1925 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Paul Cain | Son | — | 2 | ~1938 |
| Armand Cain | Son | — | 5 | ~1935 |
| Burnetta Cain | Spouse | — | 41 | ~1899 |
| Ernestine Cain | Daughter | — | 16 | ~1924 |
| Jessie Cain | Son | — | 12 | ~1928 |
| Clara Cain | Daughter | — | 18 | ~1922 |
| Micheal Cain | Son | — | 21 | ~1919 |
| Homer Cain | Son | — | 9 | ~1931 |
| Michael Cain | Head | — | 44 | ~1896 |
| Mary Cain | Daughter | — | 15 | ~1925 |
| Nellie Cain | Daughter | — | 7 | ~1933 |
| Clarence Cain | Son | — | 13 | ~1927 |
| John Cain | Son | — | 14 | ~1926 |
Census Appearances
1930
Jefferson, Kentucky
Daughter, age 5
Jefferson, Kentucky · implied b. ~1925 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cain |
| Given Name | Mary Holland |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Daughter, age 15
Jefferson-County, Kentucky · implied b. ~1925 — 13 household members
| Surname | Cain |
| Given Name | Mary Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Class of Worker | H |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| 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 Mary Cain across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cain
Daughter · 1940 · age 15 · b. ~1925 · Kentucky
★ You are viewing this record
Sibling
Armand Cain
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Cain
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Cain
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Cain
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernestine Cain
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Cain
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Cain
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Homer Cain
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Micheal Cain
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Cain
Sibling · 1940 · age 13
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-t0627-01374-00249)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lena B. Hicks | 24 | Wife | — | Kentucky |
| 42 | Shirley Hicks | 12 | Daughter | — | Kentucky |
| 43 | Jackie Hicks | 10 | Son | — | Kentucky |
| 44 | Eugene Hicks | 7 | Son | — | Kentucky |
| 45 | Richard Hicks | 3 | Son | — | Kentucky |
| 46 | Luke L. Munger | 35 | Head | Maintenance Man | Indiana |
| 47 | Stella S. Munger | 27 | Wife | — | Indiana |
| 48 | Anita L. Munger | 1 | Daughter | — | Kentucky |
| 49 | Michael S. Cain | 44 | Head | Stationery Fireman | Kentucky |
| 50 | Burnetta S. Cain | 41 | Wife | — | Kentucky |
| 51 | Micheal Cain | 21 | Son | Delivered Telephone Books | Kentucky |
| 52 | Clara V. Cain | 18 | Daughter | Packer | Kentucky |
| 53 | Ernestine Cain | 16 | Daughter | New Worker | Kentucky |
| 54 | Mary Helen Cain THIS PERSON | 15 | Daughter | — | Kentucky |
| 55 | John D. Cain | 14 | Son | — | Kentucky |
| 56 | Clarence A. Cain | 13 | Son | — | Kentucky |
| 57 | Jessie L. Cain | 12 | Son | — | Kentucky |
| 58 | Homer W. Cain | 9 | Son | — | Kentucky |
| 59 | Nellie J. Cain | 7 | Daughter | — | Kentucky |
| 60 | Armand Cain | 5 | Son | — | Kentucky |
| 61 | Paul S. Cain | 2 | Son | — | Kentucky |
| 62 | Cleary F. Neuglin | 20 | Head | Worker | Kentucky |
| 63 | Frances S. Neuglin | 18 | Wife | — | Kentucky |
| 64 | Robert Stevens | 50 | Head | Carpenter | Kentucky |
| 65 | Ina S. Stevens | 50 | Wife | — | Kentucky |
| 66 | Florence Stevens | 17 | Daughter | New Worker | Kentucky |
| 67 | Iris Stevens | 14 | Daughter | — | Kentucky |
| 68 | Rheana Stevens | 9 | Daughter | — | Kentucky |
| 69 | Charles J. Elliott | 33 | Son-in-law | Ice-Man | Kentucky |
| 70 | Cliffie Elliott | 32 | Daughter | — | Kentucky |
| 71 | Edwin Elliott | 11 | Grand-son | — | Kentucky |
| 72 | Delores Elliott | 8 | Daughter | — | Kentucky |
| 73 | James Elliott | 2 | Grand-son | — | Kentucky |
| 74 | William F. Egner | 59 | Head | Electrotyper | Kentucky |
| 75 | Mary L. Egner | 51 | Wife | — | Kentucky |
| 76 | Gladys M. Egner | 32 | Daughter | Office Clerk | Kentucky |
| 77 | Loretta L. Egner | 30 | Daughter | — | Kentucky |
| 78 | William F. Jr. Egner | 27 | Son | Stock Clerk | Kentucky |
| 79 | William P. Diehl | 45 | Head | Checker | Kentucky |
| 80 | Lee Diehl | 44 | Wife | — | 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)