MK
Mary Keating — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Keating across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Sarah & Sarah — first a daughter (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Keating |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1910 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Robert Keating | Son | — | 25 | ~1915 |
| Mary Keating | Daughter | — | 30 | ~1910 |
| Sarah Keating | Head | — | 62 | ~1878 |
| John Keating | Son | — | 27 | ~1913 |
Census Appearances
1920
Jefferson, Kentucky
Daughter, age 10
Jefferson, Kentucky · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keating |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Daughter, age 20
Jefferson, Kentucky · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keating |
| Given Name | Mary G |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Clerk |
| Industry | Art Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Daughter, age 30
Jefferson-County, Kentucky · implied b. ~1910 — 4 household members
| Surname | Keating |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Keating across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sarah Keating (~0.92 confidence) and mother Sarah Keating (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Sarah Keating
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Sarah Keating
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Keating
Daughter · 1940 · age 30 · b. ~1910 · Kentucky
★ You are viewing this record
Sibling
Robert Keating
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Keating
Sibling · 1940 · age 27
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-t0627-01370-00624)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarah T. Keating | 62 | Head | — | Kentucky |
| 2 | Mary J. Keating THIS PERSON | 30 | Daughter | — | Kentucky |
| 3 | John Keating | 27 | Son | Helper | Kentucky |
| 4 | Robert Keating | 25 | Son | Artist | Kentucky |
| 5 | Earnest Dufton | 39 | Head | Welder | England |
| 6 | Mary E. Dufton | 36 | Wife | — | Kentucky |
| 7 | William E. Dufton | 13 | Son | — | Kentucky |
| 8 | Mary E. Bartley | 68 | Head | — | Kentucky |
| 9 | Bud E. Bartley | 44 | Son | Clerk | Kentucky |
| 10 | Marie Bartley | 37 | Daughter-in-law | Telephone Operator | Kentucky |
| 11 | Imelda Bartley | 40 | Daughter | Secretary | Kentucky |
| 12 | Jean Bartley | 16 | Grandson | — | Kentucky |
| 13 | Thomas G. Mcsweeney | 63 | Brother | — | Kentucky |
| 14 | William Mcsweeney | 57 | Brother | Helper | Kentucky |
| 15 | Fanny Hamilton | 66 | Head | — | Kentucky |
| 16 | Arnold L. Hamilton | 42 | Son | Salesman | Kentucky |
| 17 | John G. Hamilton | 40 | Son | Salesman | Kentucky |
| 18 | Robert E. Hamilton | 38 | Son | Salesman | Kentucky |
| 19 | Robert S. Vaughn | 45 | Head | Fireman | Kentucky |
| 20 | Ella Vaughn | 42 | Wife | — | Kentucky |
| 21 | Dorothy Vaughn | 20 | Daughter | — | Kentucky |
| 22 | Arthur J. Marking | 34 | Head | Cleaner | Kentucky |
| 23 | Antoinette Marking | 35 | Wife | — | Kentucky |
| 24 | Charles Marking | 8 | Son | — | Kentucky |
| 25 | Anthony Marking | 7 | Son | — | Kentucky |
| 26 | Bernadette Marking | 6 | Daughter | — | Kentucky |
| 27 | Alberta Marking | 4 | Daughter | — | Kentucky |
| 28 | Bertha M. Marking | 3 | Daughter | — | Kentucky |
| 29 | Mary A. Marking | 2 | Daughter | — | Kentucky |
| 30 | Arthur Marking | 1 | Son | — | Kentucky |
| 31 | Bertha A. Marking | 63 | Mother | — | Michigan |
| 32 | Herbert Pilkington | 41 | Head | Engraver | Tennessee |
| 33 | Beulah Pilkington | 36 | Wife | — | Tennessee |
| 34 | Geneva Pilkington | 18 | Daughter | — | Tennessee |
| 35 | Ewing Pilkington | 15 | Son | — | Kentucky |
| 36 | Mable Pilkington | 11 | Daughter | — | Kentucky |
| 37 | Betty E. Pilkington | 81 | Mother-in-law | — | Tennessee |
| 38 | Robert A. Pierce | 63 | Head | Machinist | Kentucky |
| 39 | Daisy D. Pierce | 24 | Wife | — | Kentucky |
| 40 | Anna L. Pierce | 2 | Daughter | Secretary | Kentucky |
Related Census Records
Pedigree Summary
Mary + 2 siblings
Gen 1 · 2 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)