MK
Mary Keefe — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Franklin-County, Ohio
Our Model Tree links this Mary Keefe across the 1930 and 1940 US Censuses in Franklin-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Franklin-County, Ohio |
| Surname | Keefe |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Industry | Home |
| Class of Worker | S |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Columbus |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Timothy Keefe | Son | — | 12 | ~1928 |
| Robert Keefe | Head | — | 42 | ~1898 |
| Nora Keefe | Spouse | — | 44 | ~1896 |
| Robert Keefe | Son | — | 16 | ~1924 |
| Tommy Keefe | Son | — | 6 | ~1934 |
| Mary Keefe | Daughter | — | 17 | ~1923 |
| George Keefe | Other | — | 39 | ~1901 |
Census Appearances
1930
Franklin, Ohio
Daughter, age 7
Franklin, Ohio · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keefe |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Franklin-County, Ohio
Daughter, age 17
Franklin-County, Ohio · implied b. ~1923 — 7 household members
| Surname | Keefe |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Industry | Home |
| Class of Worker | S |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Keefe across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Keefe
Daughter · 1940 · age 17 · b. ~1923 · Ohio
★ You are viewing this record
Sibling
Robert Keefe
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Timothy Keefe
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tommy Keefe
Sibling · 1940 · age 6
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 — Franklin-County, Ohio
Open full size
1940 US Federal Census — Franklin-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03247-00019)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Shirley Snathene | 8 | daughter | — | Ohio |
| 2 | Edwin J Snathene | 2 | son | — | Ohio |
| 3 | Chester Shoff | 27 | head | Fireman | Pennsylvania |
| 4 | Mary Shoff | 23 | wife | — | Ohio |
| 5 | Marilyn Shoff | 3 | daughter | — | Ohio |
| 6 | Edith Turner | 52 | mother-in-law | House Work | Ohio |
| 7 | Dominic Pretari | 24 | head | Laborer | Ohio |
| 8 | Julia Pretari | 18 | wife | — | Ohio |
| 9 | Francis Pretari | 1 | daughter | — | Ohio |
| 10 | Robert Keefe | 42 | head | Brakeman | Ohio |
| 11 | Nora Keefe | 44 | wife | — | Ohio |
| 12 | Mary E Keefe THIS PERSON | 17 | daughter | — | Ohio |
| 13 | Robert J Keefe | 16 | son | — | Ohio |
| 14 | Timothy Keefe | 12 | son | — | Ohio |
| 15 | Tommy Keefe | 6 | son | — | Ohio |
| 16 | George Keefe | 39 | brother | Clerk | Ohio |
| 17 | Fred Cassill | 51 | head | Fireman | Ohio |
| 18 | Sadie Cassill | 49 | wife | — | Ohio |
| 19 | Charles Cassill | 23 | son | New Worker | Ohio |
| 20 | Fred Jr Cassill | 13 | son | — | Ohio |
| 21 | Angelo Taggi | 31 | head | Chipper | Italy |
| 22 | Rosa Taggi | 26 | wife | — | Ohio |
| 23 | Diana Taggi | 6 | daughter | — | Ohio |
| 24 | Louisa Taggi | 3 | daughter | — | Ohio |
| 25 | Joseph Julian | 60 | head | Crossing Watchman | Italy |
| 26 | Adelina Julian | 60 | wife | — | Italy |
| 27 | Vincent Julian | 36 | son | Presser | Italy |
| 28 | Lissa Julian | 29 | daughter-in-law | — | Kentucky |
| 29 | Mary Julian | 13 | grand da | — | Ohio |
| 30 | Patricia Julian | 9 | grand da | — | Ohio |
| 31 | William Stamps | 37 | head | Janitor | North Carolina |
| 32 | Ethel Stamps | 31 | wife | — | Missouri |
| 33 | William Jr Stamps | 5 | son | — | Ohio |
| 34 | Floyd Timmons | 17 | brother-in-law | Chauffeur | Missouri |
| 35 | Curtis Spencer | 41 | head | Brakeman | Ohio |
| 36 | Delcie Spencer | 39 | wife | — | Ohio |
| 37 | Edgar Spencer | 16 | son | Newspaper Boy | Ohio |
| 38 | Thelma Spencer | 13 | daughter | — | Ohio |
| 39 | Carma Spencer | 4 | daughter | — | Ohio |
| 40 | Felix Caudill | 41 | head | Electric Welder | 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)