MK
Mary Keenan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Mary Keenan across the 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 5-person household.
Age 14
b. ~1926
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Keenan |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Birmingham City |
| Est. Birth Year | ~1926 |
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 |
|---|---|---|---|---|
| Mary Keenan | Daughter | — | 14 | ~1926 |
| Daniel Keenan | Son | — | 19 | ~1921 |
| Lewis Keenan | Son | — | 17 | ~1923 |
| Thomas Keenan | Head | — | 58 | ~1882 |
| Nellie Keenan | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Jefferson, Alabama
Other, age 3
Jefferson, Alabama · implied b. ~1927 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cannon |
| Given Name | Mary |
| Relationship to Head | Step-daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Daughter, age 14
Jefferson-County, Alabama · implied b. ~1926 — 5 household members
| Surname | Keenan |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Hours Worked | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 14 · b. ~1926 · Alabama
★ You are viewing this record
Sibling
Lewis Keenan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Keenan
Sibling · 1940 · age 19
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, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00096-01020)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eva Mae Mcrae | 44 | Daughter | Teacher | Alabama |
| 42 | Elizabeth M Bailey | 73 | Head | — | Alabama |
| 43 | Arthur L Joiner | 37 | Head | Salesman | Alabama |
| 44 | Stella X Joiner | 39 | Wife | Saleswoman | Alabama |
| 45 | Billie June Joiner | 11 | Daughter | — | Alabama |
| 46 | Lula Kate Shew | 54 | Head | House Worker | Alabama |
| 47 | Johnnie Ruth Shew | 20 | Daughter | Typist | Alabama |
| 48 | Thomas Keenan | 58 | Head | Machinist | Tennessee |
| 49 | Nellie Keenan | 47 | Wife | — | Tennessee |
| 50 | Daniel W Keenan | 19 | Son | Woodworker | Tennessee |
| 51 | Lewis Ed Keenan | 17 | Son | — | Alabama |
| 52 | Mary M Keenan THIS PERSON | 14 | Daughter | — | Alabama |
| 53 | William Vabel | 49 | Head | Miner | Alabama |
| 54 | Mary Vabel | 44 | Wife | — | Alabama |
| 55 | Bennett Vabel | 21 | Son | Clerk | Alabama |
| 56 | Carl Vabel | 15 | Son | Wood Worker | Alabama |
| 57 | Virginia Vabel | 15 | Daughter | — | Alabama |
| 58 | Billie Vabel | 11 | Son | — | Alabama |
| 59 | Fred W Perryman | 69 | Head | Proprietor | Alabama |
| 60 | Georgia E Perryman | 57 | Wife | — | Alabama |
| 61 | Mary E Perryman | 27 | Daughter | Sec | Alabama |
| 62 | James Blair Perryman | 26 | Son | Clerk | Alabama |
| 63 | Leland L Wilson | 35 | Head | Engineer | Alabama |
| 64 | Evelyn Mae Wilson | 32 | Wife | — | Mass |
| 65 | Harvey Edward Wilson | 3 | Son | — | Alabama |
| 66 | Lawrence Neal Wilson | 0 | Son | — | Alabama |
| 67 | John Vinton | 26 | Head | Florist | Alabama |
| 68 | Wilma Vinton | 26 | Wife | — | Alabama |
| 69 | Jimmie Vinton | 1 | Son | — | Alabama |
| 71 | Edwin D Childress | 65 | Head | Sign Painter | Alabama |
| 72 | Estra Childress | 64 | Wife | — | Kentucky |
| 73 | Charlotte Childress | 24 | Daughter | File Clerk | Alabama |
| 74 | Horace Coats | 28 | Head | Pattern Maker | Alabama |
| 75 | Florence Coats | 28 | Wife | — | Alabama |
| 76 | Margaret Ann Coats | 4 | Daughter | — | Alabama |
| 77 | Roy C Hughes | 21 | Head | Steno | Alabama |
| 78 | Frances G Hughes | 20 | Wife | — | Alabama |
| 79 | Travis R Hughes | 0 | Son | — | Alabama |
| 80 | James H Pyles | 27 | Head | Proprietor | Georgia |
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)