MF
Mary Foley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Foley across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Joseph & Elizabeth — first a daughter (b.~1896), then head of a 5-person household.
Age 44
b. ~1896
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Foley |
| Given Name | Mary Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Librarian |
| Industry | Public Library |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1444 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Librarian |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1896 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Foley | Daughter | — | 44 | ~1896 |
| Catherine Foley | Daughter | — | 44 | ~1896 |
| Elizabeth Foley | Daughter | — | 41 | ~1899 |
| Elizabeth Foley | Head | — | 76 | ~1864 |
| Charles Foley | Son | — | 46 | ~1894 |
Census Appearances
1920
Jefferson, Kentucky
Daughter, age 23
Jefferson, Kentucky · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foley |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Stenographer |
| Industry | Coal Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Daughter, age 34
Jefferson, Kentucky · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foley |
| Given Name | Mary G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Librarian |
| Industry | Public Library |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Daughter, age 44
Jefferson-County, Kentucky · implied b. ~1896 — 5 household members
| Surname | Foley |
| Given Name | Mary Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | Librarian |
| Industry | Public Library |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1444 |
| Highest Grade | Hs 4 |
| 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 Foley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Foley (~0.92 confidence) and mother Elizabeth Foley (~0.92 confidence) and mother Rosa Foley (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Foley
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Foley
b. ~1864
Source mother
● Household
· direct · ~0.92
Mother
Rosa Foley
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Foley
Daughter · 1940 · age 44 · b. ~1896 · Kentucky
★ You are viewing this record
Sibling
Elizabeth Foley
Sibling · 1940 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Foley
Sibling · 1940 · age 46
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Foley
Sibling · 1940 · age 44
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
39 people indexed on this census page (nara:1940:m-t0627-01371-00278)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary A Higdon | 11 | Daughter | — | Indiana |
| 2 | Anna L Higdon | 8 | Daughter | — | Kentucky |
| 3 | Gerdeline Goldman | 41 | Head | Dressmaker | Indiana |
| 4 | Nell Clinton | 32 | Lodger | Nurse | Indiana |
| 5 | Elizabeth B Foley | 76 | Head | — | Kentucky |
| 6 | Charles Edward Foley | 46 | Son | — | Kentucky |
| 7 | Mary Catherine Foley THIS PERSON | 44 | Daughter | Librarian | Kentucky |
| 8 | Catherine Mary Foley | 44 | Daughter | Stenographer | Kentucky |
| 9 | Elizabeth Jane Foley | 41 | Daughter | Rate Clerk | Kentucky |
| 10 | John E O'Daly | 54 | Head | Superintendent | Kentucky |
| 11 | Alice C O'Daly | 71 | Sister | — | Kentucky |
| 12 | Thomas J O'Daly | 67 | Brother | — | Kentucky |
| 13 | Sarah L O'Daly | 60 | Sister | — | Kentucky |
| 14 | Hyman Goldberg | 50 | Head | Helper | Russia |
| 15 | Rose Goldberg | 49 | Wife | Helper | Russia |
| 16 | Alline Reaver | 39 | Head | Floor Checker | Kentucky |
| 17 | Thomas O'Bannon | 16 | Son | — | Kentucky |
| 18 | Joseph G Taylor | 47 | Head | Labour | Kentucky |
| 19 | Mary B Taylor | 42 | Wife | — | Kentucky |
| 20 | Joseph G Jr Taylor | 25 | Son | Labour | Kentucky |
| 21 | Lillian Taylor | 19 | Daughter | Waitress | Kentucky |
| 22 | Elizabeth Taylor | 15 | Daughter | — | Kentucky |
| 23 | Charles Taylor | 12 | Son | — | Kentucky |
| 24 | Warren J Johnson | 24 | Head | Labour | Kentucky |
| 25 | Agnes Johnson | 19 | Wife | — | Kentucky |
| 26 | Barbara Ann Johnson | 1 | Daughter | — | Kentucky |
| 27 | Cleo B Hudgen | 24 | Head | Helper | Kentucky |
| 28 | Ethel H Hudgen | 19 | Wife | — | Kentucky |
| 29 | Leslie J Logsdon | 34 | Head | Labourer | Kentucky |
| 30 | Pauline G Logsdon | 32 | Wife | Inspector | Kentucky |
| 31 | James L Logsdon | 11 | Son | — | Kentucky |
| 32 | Patsy Ann Logsdon | 7 | Daughter | — | Kentucky |
| 33 | Walter Whitney | 78 | Head | — | Kentucky |
| 34 | Minnie Whitney | 51 | Wife | — | Kentucky |
| 35 | Aaron A Hollomon | 26 | Head | Metal Man | Tennessee |
| 36 | Catherine Hollomon | 29 | Wife | Labourer | Kentucky |
| 37 | Hurachel Nelson | 32 | Head | Counterman | Kentucky |
| 38 | Palma Nelson | 20 | Wife | — | Kentucky |
| 39 | Doris Jean Nelson | 1 | Daughter | — | Kentucky |
Pedigree Summary
Mary + 3 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)