MF
Mary French — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary French across the 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a spouse (b.~1905), then head of a 9-person household.
Age 35
b. ~1905
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | French |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Third Magisterial District |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | 0 |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | 0 |
| Township / Ward | Third Magisterial District |
| Est. Birth Year | ~1905 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy French | Daughter | — | 13 | ~1927 |
| Robert French | Head | — | 45 | ~1895 |
| Norman French | Son | — | 6 | ~1934 |
| Irey French | Son | — | 8 | ~1932 |
| James French | Son | — | 19 | ~1921 |
| Henry French | Son | — | 17 | ~1923 |
| Billie French | Son | — | 11 | ~1929 |
| Robert French | Son | — | 15 | ~1925 |
| Mary French | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Jefferson, Kentucky
Spouse, age 24
Jefferson, Kentucky · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | French |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 18 |
| 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 35
Jefferson-County, Kentucky · implied b. ~1905 — 9 household members
| Surname | French |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Third Magisterial District |
| 1935 Residence (County) | Jefferson |
| Occupation | 0 |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 French across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary French
Spouse · 1940 · age 35 · b. ~1905 · Kentucky
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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-t0627-01321-00411)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wanda Brueck | 18 | Daughter | 0 | Kentucky |
| 42 | Jackie Brueck | 1 | Son | — | Kentucky |
| 43 | Charles E. Heath | 52 | Head | Salesman | Kentucky |
| 44 | Katie Heath | 47 | Wife | 0 | Kentucky |
| 45 | Harry R. Hardin | 27 | Head | Teacher | Kentucky |
| 46 | Katherine Hardin | 24 | Wife | 0 | Kentucky |
| 47 | Stanley Hardin | 1 | Son | — | Kentucky |
| 48 | William E. Whitworth | 36 | Head | Salesman | Kentucky |
| 49 | Jessie Whitworth | 33 | Wife | 0 | Kentucky |
| 50 | Robert W. Whitworth | 1 | Son | — | Kentucky |
| 51 | William Stivers | 50 | Head | Labourer | Kentucky |
| 52 | Callie Stivers | 46 | Wife | 0 | Kentucky |
| 53 | Robert Stivers | 19 | Son | 0 | Kentucky |
| 54 | Mary E. Stivers | 17 | Daughter | 0 | Kentucky |
| 55 | Wilbur Mcdaniel | 17 | Step son | 0 | Kentucky |
| 56 | James E. Mcdaniel | 15 | Step son | 0 | Kentucky |
| 57 | Russell L. Mcdaniel | 12 | Step son | — | Kentucky |
| 58 | Millard P. Mcdaniel | 20 | Step son | — | Kentucky |
| 59 | Marie Mcdaniel | 21 | Step daughter | — | Kentucky |
| 60 | Robert L. French | 45 | Head | Boiler Maker Helper | Kentucky |
| 61 | Mary French THIS PERSON | 35 | Wife | 0 | Kentucky |
| 62 | James E. French | 19 | Son | 0 | Kentucky |
| 63 | Henry E. French | 17 | Son | 0 | Kentucky |
| 64 | Robert L. Jr. French | 15 | Son | 0 | Kentucky |
| 65 | Dorothy B. French | 13 | Daughter | — | Kentucky |
| 66 | Billie L. French | 11 | Son | — | Kentucky |
| 67 | Irey H. French | 8 | Son | — | Kentucky |
| 68 | Norman G. French | 6 | Son | — | Kentucky |
| 69 | James Kane | 67 | Head | Labourer | Kentucky |
| 70 | Mary Kane | 58 | Wife | 0 | Kentucky |
| 71 | James Jr. Kane | 19 | Son | Waiter | Kentucky |
| 72 | John D. Iny | 50 | Head | Inspector | Kentucky |
| 73 | Amelia C. Iny | 53 | Wife | 0 | Kentucky |
| 74 | Charles Iny | 23 | Son | Book Keeper | Kentucky |
| 75 | Silas Morgan | 82 | Lodger | 0 | Kentucky |
| 76 | Donald O. Corbett | 27 | Head | Bill Clerk | Illinois |
| 77 | Erna Corbett | 25 | Wife | 0 | Kentucky |
| 78 | Carol Sue Corbett | 1 | Daughter | — | Kentucky |
| 79 | Walker Mitchell | 63 | Head | Labourer | Kentucky |
| 80 | Mattie Mitchell | 50 | Wife | 0 | 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)