MG
Mary Gardner — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Gardner across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Emma & Ada — first a spouse (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Gardner |
| Given Name | Mary C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Unincorporated Place Audubon Park |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Nellie Gardner | Head | — | 27 | ~1913 |
| Richard Gardner | Son | — | 2 | ~1938 |
| Mary Gardner | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Jefferson, Kentucky
Daughter, age 4
Jefferson, Kentucky · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| 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 14
Jefferson, Kentucky · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Mary C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Spouse, age 24
Jefferson-County, Kentucky · implied b. ~1916 — 3 household members
| Surname | Gardner |
| Given Name | Mary C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville |
| 1935 Residence (County) | Jefferson |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Kentucky |
| 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 Gardner across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Emma Gardner (~0.92 confidence) and mother Ada Gardner (~0.92 confidence) and father G Gardner (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Emma Gardner
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Ada Gardner
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
G Gardner
b. ~1892
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Gardner
Spouse · 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-t0627-01320-00877)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Allen D. Hoskinson | 4 | Son | — | Kentucky |
| 2 | Ernestine Drury | 29 | Sister-in-law | Sales Lady | Kentucky |
| 3 | Catherine Hoskinson | 34 | Lodger | — | Kentucky |
| 4 | Betty Jean Hoskinson | 10 | Lodger | — | Kentucky |
| 5 | Joseph R. Roller | 32 | Head | Ship Carpenter | Kentucky |
| 6 | Elsie R. Roller | 29 | Wife | — | Kentucky |
| 7 | Louise Roller | 7 | Daughter | — | Kentucky |
| 8 | Raymond Roller | 5 | Son | — | Kentucky |
| 9 | Nancy M. Roller | 3 | Daughter | — | Kentucky |
| 10 | Margaret Roller | 1 | Daughter | — | Kentucky |
| 11 | John H. Payne | 46 | Head | Car Inspector | Kentucky |
| 12 | Blanche Payne | 42 | Wife | — | Kentucky |
| 13 | John H. Jr. Payne | 18 | Son | — | Kentucky |
| 14 | Clarence Lee Bishop | 34 | Head | Mechanic | Kentucky |
| 15 | Anna Louise Bishop | 32 | Wife | — | Kentucky |
| 16 | Clarence Lee Jr. Bishop | 1 | Son | — | Kentucky |
| 17 | Oscar Bartley | 72 | Head | — | Kentucky |
| 18 | Susie C. Bartley | 69 | Wife | — | Kentucky |
| 19 | Nellie J. Gardner | 27 | Head | Bookkeeper | Kentucky |
| 20 | Mary C. Gardner THIS PERSON | 24 | Wife | — | Kentucky |
| 21 | Richard Joseph Gardner | 2 | Son | — | Kentucky |
| 22 | Louis May | 60 | Head | — | Kentucky |
| 23 | Lou May | 50 | Wife | — | Kentucky |
| 24 | Buford May | 30 | Son | — | Kentucky |
| 25 | Clarence A. Mode | 36 | Head | Manager | Kentucky |
| 26 | Iwonie Mode | 35 | Wife | Waitress | Kentucky |
| 27 | Berger O. Ring | 41 | Head | State Supervisor Of Property | Norway |
| 28 | Ann Ring | 42 | Wife | — | Ohio |
| 29 | Sara L. Martin | 26 | Head | Bank Clerk | Tennessee |
| 30 | Oliver Martin | 65 | Father | Fireman | Tennessee |
| 31 | Oliver H. Martin | 31 | Brother | Salesman | Tennessee |
| 32 | Dorothy Martin | 29 | Daughter-in-law | — | Kentucky |
| 33 | Hardison S. Martin | 3 | Grandson | — | Kentucky |
| 34 | Lloyd H. Hotte | 32 | Head | Manager | Indiana |
| 35 | Irene H. Hotte | 27 | Wife | Wool Spotter | Indiana |
| 36 | Extra Line Line Blank | None | — | — | — |
| 37 | Albert French | 41 | Head | Shoe Maker | Illinois |
| 38 | Carrie French | 38 | Wife | Garden Hand | Kentucky |
| 39 | Roberta French | 7 | Daughter | — | Kentucky |
| 40 | Henrietta French | 17 | Step-Daughter | — | 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)