MK
Mary Keenan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Keenan across the 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 5-person household.
Age 12
b. ~1928
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Keenan |
| Given Name | Mary Jo |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Thomas Keenan | Son | — | 10 | ~1930 |
| Mardon Keenan | Son | — | 8 | ~1932 |
| Marie Keenan | Spouse | — | 39 | ~1901 |
| Doughty Keenan | Head | — | 44 | ~1896 |
| Mary Keenan | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Jefferson, Kentucky
Daughter, age 2
Jefferson, Kentucky · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keenan |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| 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 12
Jefferson-County, Kentucky · implied b. ~1928 — 5 household members
| Surname | Keenan |
| Given Name | Mary Jo |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Highest Grade | No 6 |
| 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 Keenan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Keenan
Daughter · 1940 · age 12 · b. ~1928 · Kentucky
★ You are viewing this record
Sibling
Thomas Keenan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mardon Keenan
Sibling · 1940 · age 8
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-t0627-01373-00386)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joe Bivens | 16 | Son | — | Kentucky |
| 2 | Billy Bivens | 14 | Son | — | Kentucky |
| 3 | Dabney Bivens | 10 | Son | — | Kentucky |
| 4 | Hershell Bivens | 8 | Son | — | Kentucky |
| 5 | Charles S. Tillson | 49 | Head | Proprietor | Kentucky |
| 6 | Pearl Tillson | 38 | Wife | — | Kentucky |
| 7 | David P. Anderson | 25 | Son | — | Kentucky |
| 8 | Mary Ann Anderson | 5 | Daughter | — | Kentucky |
| 9 | David A. Peters | 70 | Head | Repair | Indiana |
| 10 | Raymond James | 28 | Head | Bed Springs | Kentucky |
| 11 | Edith James | 24 | Wife | — | Kentucky |
| 12 | Thelma Lee James | 5 | Daughter | — | Kentucky |
| 13 | Raymond Jr. James | 1 | Son | — | Kentucky |
| 14 | Frank Delph | 42 | Head | House Painting | Kentucky |
| 15 | Nancy K. Delph | 31 | Wife | — | Kentucky |
| 16 | Shirley Ann Delph | 3 | Daughter | — | Kentucky |
| 17 | Frank Jr. Delph | 2 | Son | — | Kentucky |
| 18 | Joyce Marie Delph | 1 | Daughter | — | Kentucky |
| 19 | Emma Mahan | 66 | Boarder | — | Kentucky |
| 20 | John W. Bunge | 59 | Head | Furniture Repairman | Indiana |
| 21 | Ellen Bunge | 59 | Wife | — | Kentucky |
| 22 | Mary X Riddle | 51 | Head | — | Kentucky |
| 23 | Hallen Riddle | 22 | Son | — | Kentucky |
| 24 | Pauline Riddle | 20 | Daughter | Room Girl | Kentucky |
| 25 | Bertie Lou Riddle | 8 | Daughter | — | Kentucky |
| 26 | John D. Keenan | 67 | Head | — | Russia |
| 27 | Ida Keenan | 53 | Daughter | — | Russia |
| 28 | Doughty F. Keenan | 44 | Head | Funeral Dir. | Kentucky |
| 29 | Marie C. Keenan | 39 | Wife | — | Kentucky |
| 30 | Mary Jo Keenan THIS PERSON | 12 | Daughter | — | Kentucky |
| 31 | Thomas Keenan | 10 | Son | — | Kentucky |
| 32 | Mardon B. Keenan | 8 | Son | — | Kentucky |
| 33 | Florence Merryman | 52 | Head | — | Kentucky |
| 34 | Clyde B. Sithan | 23 | Nephew | General Laborer | Kentucky |
| 35 | Charles Paul Sithan | 5 | Nephew | — | Kentucky |
| 36 | Corbis Johnson | 39 | Lodger | Laborer On Railroad | Kentucky |
| 37 | Max Smith | 51 | Lodger | Laborer | Kentucky |
| 38 | James Nortone | 58 | Head | Chicken Dresser | Indiana |
| 39 | — | None | — | — | — |
| 40 | — | None | — | — | — |
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)