MF
Mary Flaherty — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Flaherty across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 6-person household.
Age 45
b. ~1895
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Flaherty |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-5 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1895 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ellen Flaherty | Daughter | — | 12 | ~1928 |
| Mary Flaherty | Spouse | — | 45 | ~1895 |
| Thomas Flaherty | Head | — | 60 | ~1880 |
| Howard Flaherty | Son | — | 16 | ~1924 |
| Mary Flaherty | Daughter | — | 14 | ~1926 |
| William Flaherty | Son | — | 15 | ~1925 |
Census Appearances
1920
Jefferson, Kentucky
Spouse, age 24
Jefferson, Kentucky · implied b. ~1896 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Spouse, age 35
Jefferson, Kentucky · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 25 |
| Father's Birthplace | North Ireland |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Spouse, age 45
Jefferson-County, Kentucky · implied b. ~1895 — 6 household members
| Surname | Flaherty |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Income (1939) | 0 |
| Highest Grade | H-5 |
| 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 Flaherty across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Flaherty
Spouse · 1940 · age 45 · b. ~1895 · Kentucky
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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-t0627-01372-00336)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thelma O. Bering | 25 | Wife | — | Kentucky |
| 2 | Joyce Ann Bering | 5 | Daughter | — | — |
| 3 | Stephen O. Sluss | 48 | Head | Sprayer | Kentucky |
| 4 | Hannah Sluss | 38 | Wife | Mercer | Virginia |
| 5 | Elmo G. R. Sluss | 21 | Son | General Clerk | Tennessee |
| 6 | Thomas A. Flaherty | 60 | Head | — | Kentucky |
| 7 | Mary A. Flaherty THIS PERSON | 45 | Wife | — | Kentucky |
| 8 | Howard P. Flaherty | 16 | Son | — | Kentucky |
| 9 | William B. Flaherty | 15 | Son | — | Kentucky |
| 10 | Mary N. Flaherty | 14 | Daughter | — | Kentucky |
| 11 | Ellen G. Flaherty | 12 | Daughter | — | Kentucky |
| 12 | P. Orville F. Langley | 31 | Head | Attendant | Kentucky |
| 13 | Kitty Langley | 38 | Sister | — | Kentucky |
| 14 | Mahala Langley | 61 | Mother | — | Kentucky |
| 15 | Theodore H. Diehl | 57 | Head | Proprietor | Kentucky |
| 16 | Lillie B. Diehl | 59 | Wife | Helper | Kentucky |
| 17 | Henry A. Diehl | 78 | Father | — | Kentucky |
| 18 | R. G. Barlow | 34 | Head | Foreman | Kentucky |
| 19 | Beatrice Barlow | 39 | Wife | — | Kentucky |
| 20 | Robert S. Barlow | 5 | Son | — | — |
| 21 | Lynda S. Barlow | 2 | Daughter | — | — |
| 22 | Irvin Glass | 26 | Head | Freight Agt | Indiana |
| 23 | Anna Mae Glass | 28 | Wife | — | Kentucky |
| 24 | Shirley A. Glass | 8 | Daughter | — | Kentucky |
| 25 | Irvin Jr. Glass | 1 | Son | — | — |
| 26 | Agathe Portman | 24 | Roomer | — | Kentucky |
| 27 | H. Noel H. Barton | 46 | Head | Laborer | Kentucky |
| 28 | Leaudie Barton | 36 | Wife | — | Kentucky |
| 29 | James L. Barton | 11 | Son | — | Kentucky |
| 30 | Robert A. Q. Billings | 32 | Head | Pattern Maker | Kentucky |
| 31 | Mary E. Billings | 24 | Wife | — | Kentucky |
| 32 | David L. Billings | 4 | Son | — | — |
| 33 | Ronald J. Billings | 2 | Son | — | — |
| 34 | Carl Jeffries | 28 | Head | Dolly Driver | Kentucky |
| 35 | Anna B. Jeffries | 24 | Wife | — | Kentucky |
| 36 | Carl Gene Jeffries | 4 | Son | — | — |
| 37 | John B. Gilpin | 39 | Head | Mixer | Kentucky |
| 38 | Mary M. Gilpin | 33 | Wife | Machine Operator | Kentucky |
| 39 | Annie F. Locke | 40 | Aunt | — | Kentucky |
| 40 | George L. Thornton | 54 | Head | Puncher | 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)