MK
Mary Knight — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Knight across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a spouse (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Knight |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1908 |
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 |
|---|---|---|---|---|
| Elizabeth Knight | Daughter | — | 10 | ~1930 |
| Rogers Knight | Head | — | 37 | ~1903 |
| Rogers Knight | Son | — | 11 | ~1929 |
| Mary Knight | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Jefferson, Kentucky
Other, age 10
Jefferson, Kentucky · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Mary L. |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Other, age 21
Jefferson, Kentucky · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Mary L. |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Widowed |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Spouse, age 32
Jefferson-County, Kentucky · implied b. ~1908 — 4 household members
| Surname | Knight |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| 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 Knight across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Knight
Spouse · 1940 · age 32 · b. ~1908 · 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-t0627-01374-00146)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norman J. Stephens | 5 | Daughter | — | Kentucky |
| 2 | Shirley A. Stephens | 2 | Daughter | — | Kentucky |
| 3 | William T. Taylor | 38 | Head | Laborer | Kentucky |
| 4 | Louise Taylor | 32 | Wife | — | Kentucky |
| 5 | William Jr. Taylor | 10 | Son | — | Kentucky |
| 6 | Sophia Schagene | 62 | Head | Clerk | Kentucky |
| 7 | Herman Schagene | 26 | Son | — | Kentucky |
| 8 | Rogers Knight | 37 | Head | Chauffeur | Kentucky |
| 9 | Mary L. Knight THIS PERSON | 32 | Wife | — | Kentucky |
| 10 | Rogers J. Knight | 11 | Son | — | Kentucky |
| 11 | Elizabeth J. Knight | 10 | Daughter | — | Kentucky |
| 12 | Rosie Dodson | 39 | Head | Cooper | Arkansas |
| 13 | Nellie O. Dodson | 29 | Wife | — | Louisiana |
| 14 | Dorothy D. Dodson | 14 | Daughter | — | Florida |
| 15 | Virginia C. Dodson | 12 | Daughter | — | Alabama |
| 16 | Allie C. Dodson | 10 | Daughter | — | Alabama |
| 17 | Patricia N. Dodson | 9 | Daughter | — | Alabama |
| 18 | Billie J. Dodson | 6 | Daughter | — | Kentucky |
| 19 | Bonnie L. Steiner | 33 | Head | Chauffeur | Kentucky |
| 20 | Catherine C. Steiner | 34 | Wife | — | Kentucky |
| 21 | Alma J. Steiner | 9 | Daughter | — | Kentucky |
| 22 | William S. Steiner | 4 | Son | — | Kentucky |
| 23 | Eva E. Leonard | 54 | Head | Cashier | Tennessee |
| 24 | Mary Leonard | 58 | Sister | Saleslady | Tennessee |
| 25 | John Leonard | 48 | Brother | — | Tennessee |
| 26 | Connie Bunn | 30 | Sister | Presser | Kentucky |
| 27 | Rosemarie Bunn | 2 | Niece | — | Kentucky |
| 28 | Emanuel Quick | 47 | Head | Laborer | Kentucky |
| 29 | Pearl Quick | 37 | Wife | — | Kentucky |
| 30 | Anthony Riebling | 37 | Head | Butcher | Kentucky |
| 31 | Irene V. Riebling | 37 | Wife | — | Kentucky |
| 32 | Dolores Riebling | 19 | Daughter | Laborer | Kentucky |
| 33 | Anthony G. Riebling | 13 | Son | — | Kentucky |
| 34 | Robert J. Riebling | 11 | Son | — | Kentucky |
| 35 | Marion J. Riebling | 8 | Daughter | — | Kentucky |
| 36 | Joann Riebling | 6 | Daughter | — | Kentucky |
| 37 | Carol J. Riebling | 4 | Daughter | — | Kentucky |
| 38 | Leoda Hodges | 58 | Mother | — | Kentucky |
| 39 | Estil A. Armes | 42 | Head | Draftsman | Kentucky |
| 40 | Pearl Armes | 36 | Wife | — | 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)