MD
Mary Donahue — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Donahue across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a daughter (b.~1914), then head of a 7-person household.
Age 26
b. ~1914
Female
Daughter
Born: Kentucky
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Widowed |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1914 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Angela Leister | Daughter | — | 20 | ~1920 |
| Sallie Donahue | Daughter | — | 2 | ~1938 |
| Mary Donahue | Daughter | — | 26 | ~1914 |
| Theresa Leister | Daughter | — | 21 | ~1919 |
| Louise Leister | Head | — | 48 | ~1892 |
| Jewell Donahue | Other | — | 4 | ~1936 |
| David Donahue | Other | — | ~1940 |
Census Appearances
1920
Jefferson, Kentucky
Daughter, age 6
Jefferson, Kentucky · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Daughter, age 16
Jefferson, Kentucky · implied b. ~1914 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Mary E. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Sales clerk |
| Industry | Department Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Daughter, age 26
Jefferson-County, Kentucky · implied b. ~1914 — 7 household members
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Widowed |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Class of Worker | 0 |
| Hours Worked | 0 |
| 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 Donahue across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Donahue (~0.92 confidence) and father Joseph Donahue (~0.92 confidence) and mother Carmel Donahue (~0.92 confidence) and mother Louise Leister (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Donahue
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Joseph Donahue
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Carmel Donahue
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Louise Leister
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Donahue
Daughter · 1940 · age 26 · b. ~1914 · Kentucky
★ You are viewing this record
Sibling
Sallie Donahue
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Leister
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Angela Leister
Sibling · 1940 · age 20
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-t0627-01375-00169)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wilder|Wilding Mackin | 35 | Wife | — | Kentucky |
| 42 | James Mackin | 14 | Son | — | Kentucky |
| 43 | Cleo A Mackin | 13 | Daughter | — | Kentucky |
| 44 | Mary Mackin | 9 | Daughter | — | Kentucky |
| 45 | Samuel C Mackin | 4 | Son | — | Kentucky |
| 46 | Elizabeth Mackin | 2 | Daughter | — | Kentucky |
| 47 | Herbert J Lauscher | 53 | Head | Cabinet Mkr | Kentucky |
| 48 | Elizabeth Lauscher | 50 | Wife | Housekeeper | Kentucky |
| 49 | Hallie Aikin | 37 | Head | — | Kentucky |
| 50 | George Aikin | 14 | Son | — | Kentucky |
| 51 | James Aikin | 12 | Son | — | Kentucky |
| 52 | Jean Aikin | 11 | Daughter | — | Kentucky |
| 53 | Bonnie Aikin | 4 | Daughter | — | Kentucky |
| 54 | Gilbert Hanks | 62 | Head | Foreman | Kentucky |
| 55 | Florence Hanks | 50 | Wife | — | Kentucky |
| 56 | Doris Hanks | 26 | Daughter | Stemmer | Kentucky |
| 57 | Gladys Hanks | 17 | Daughter | — | Kentucky |
| 58 | John M Shillerich | 72 | Head | — | Kentucky |
| 59 | Christina Shillerich | 63 | Wife | — | Kentucky |
| 60 | Louis J Shillerich | 28 | Son | Oven Man | Kentucky |
| 61 | Norbert W Shillerich | 20 | Son | Clerk | Kentucky |
| 62 | Arthur Weber | 17 | Nephew | — | Kentucky |
| 63 | Louise Leister | 48 | Head | — | Kentucky |
| 64 | Theresa Leister | 21 | Daughter | Seamstress | Kentucky |
| 65 | Angela Leister | 20 | Daughter | Seamstress | Kentucky |
| 66 | Mary Donahue THIS PERSON | 26 | Daughter | — | Kentucky |
| 67 | Jewell Donahue | 4 | Mary | — | Kentucky |
| 68 | Sallie Donahue | 2 | Daughter | — | Kentucky |
| 69 | David Donahue | 0 | Grandson | — | Kentucky |
| 70 | James Miller | 59 | Head | Mattress Maker | Kentucky |
| 71 | Lena Miller | 55 | Wife | — | Indiana |
| 72 | Edna Miller | 33 | Daughter | Bookkeeper | Kentucky |
| 73 | Eleanor Miller | 12 | Daughter | — | Kentucky |
| 74 | Irene Miller | 12 | Daughter | — | Kentucky |
| 75 | Fred Lauscher | 66 | Father in law | — | Kentucky |
| 76 | Henry Guthrie | 24 | Head | Truck Driver | Kentucky |
| 77 | Dorothy Guthrie | 22 | Wife | — | Kentucky |
| 78 | Donald Guthrie | 1 | Son | — | Kentucky |
| 79 | Clarence Fox | 27 | Boarder | Ripper | Kentucky |
| 80 | Charles Bowman | 29 | Head | Packer | Kentucky |
Related Census Records
Pedigree Summary
Mary + 3 siblings
Gen 1 · 4 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)