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Mary Mcconnell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Mcconnell across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Geo & Margaret — first a daughter (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | McConnell |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | St. Matthews City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Factory Representative |
| Industry | Wholesale Novelties |
| Class of Worker | PW |
| Hours Worked | 13 |
| Income (1939) | 160 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Factory Representative |
| Township / Ward | St Matthews City |
| Est. Birth Year | ~1916 |
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 |
|---|---|---|---|---|
| Mamie Johnston | Other | — | 72 | ~1868 |
| James Mcconnell | Other | — | 22 | ~1918 |
| Mary Mcconnell | Daughter | — | 24 | ~1916 |
| Margaret Mcconnell | Head | — | 48 | ~1892 |
Census Appearances
1920
Jefferson, Kentucky
Daughter, age 4
Jefferson, Kentucky · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McConnell |
| Given Name | Mary Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Kentucky |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Jefferson, Kentucky
Daughter, age 14
Jefferson, Kentucky · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McConnell |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Jefferson-County, Kentucky
Daughter, age 24
Jefferson-County, Kentucky · implied b. ~1916 — 4 household members
| Surname | McConnell |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | St. Matthews City |
| 1935 Residence (County) | Jefferson |
| Occupation | Factory Representative |
| Industry | Wholesale Novelties |
| Class of Worker | PW |
| Hours Worked | 13 |
| Income (1939) | 160 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Mcconnell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Geo Mcconnell (~0.92 confidence) and mother Margaret Mcconnell (~0.92 confidence) and mother Margaret Mcconnell (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Geo Mcconnell
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Margaret Mcconnell
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Margaret Mcconnell
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Mcconnell
Daughter · 1940 · age 24 · b. ~1916 · Kentucky
★ You are viewing this record
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-t0627-01320-00134)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert C. Crabtree | 37 | Head | Narcotic Agent | Kentucky |
| 2 | Jeanette Crabtree | 37 | Wife | — | West Virginia |
| 3 | Janice Crabtree | 9 | Daughter | — | Kentucky |
| 4 | Robert C. Jr. Crabtree | 5 | Son | — | Kentucky |
| 5 | Denny L. Reid | 30 | Head | Office Manager | Kentucky |
| 6 | Ottelia Reid | 27 | Wife | — | Ohio |
| 7 | Robert A. Bryan | 36 | Head | Salesman | Ohio |
| 8 | Angela Bryan | 33 | Wife | — | Ohio |
| 9 | George M. Seymour | 27 | Head | Asst. Cashier | New York |
| 10 | Florence L. Seymour | 24 | Wife | — | Pennsylvania |
| 11 | Henry G. French | 29 | Head | Foreman | Kentucky |
| 12 | Frances French | 28 | Wife | — | Kentucky |
| 13 | James F. Haskins | 37 | Head | Salesman | Tennessee |
| 14 | Helene Haskins | 27 | Wife | — | Mississippi |
| 15 | Harold W. Nieman | 30 | Head | Auditor | Indiana |
| 16 | Kathryn Nieman | 28 | Wife | — | Indiana |
| 17 | Harold Werner | 27 | Head | Dept. Manager | New York |
| 18 | Esther Werner | 27 | Wife | Dept. Manager | New York |
| 19 | Walter A. Harrison | 42 | Head | Secretary | Kentucky |
| 20 | Mary J. Harrison | 42 | Wife | — | Kentucky |
| 21 | Betty J. Harrison | 16 | Daughter | — | Kentucky |
| 22 | Margaret Mcconnell | 48 | Head | Clothing Fitter | Kentucky |
| 23 | Mary J. Mcconnell THIS PERSON | 24 | Daughter | Factory Representative | Illinois |
| 24 | James F. Mcconnell | 22 | Ab. Son | Salesman | Kentucky |
| 25 | Mamie N. Johnston | 72 | Mother | — | Kentucky |
| 26 | Edward A. Danz | 55 | Head | Resident Mgr. | Minnesota |
| 27 | Helen L. Danz | 54 | Wife | — | Illinois |
| 28 | Extra Line | None | — | — | — |
| 29 | Chris W. Georgehead | 27 | Head | Salesman | Illinois |
| 30 | Charlotte M. Georgehead | 26 | Wife | — | Illinois |
| 31 | Ronald S. Georgehead | 1 | Son | — | Kentucky |
| 32 | Charles B. Ward | 32 | Head | Branch Mgr. | Alabama |
| 33 | Mary E. Ward | 23 | Wife | — | Virginia |
| 34 | Eugene C. Ward | 3 | Son | — | Alabama |
| 35 | Rodney M. Stockton | 27 | Head | Traveling Salesman | Missouri |
| 36 | Leslee Stockton | 27 | Wife | — | Illinois |
| 37 | Judythe Stockton | 6 | Daughter | — | Ohio |
| 38 | Clinton B. Gwaltney | 30 | Head | Branch Mgr. | Virginia |
| 39 | Bessie L. Gwaltney | 30 | Wife | — | North Carolina |
| 40 | William H. Gwaltney | 1 | Son | — | Kentucky |
Pedigree Summary
Mary
Gen 1 · 3 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)