MD
Mary Dean — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jessamine-County, Kentucky
Our Model Tree links this Mary Dean across the 1920, 1930 and 1940 US Censuses in Jessamine-County, Kentucky (XGBoost, ~Confirmed), with identified parents Elza & Celia — first a spouse (b.~1908), then head of a 8-person household.
Age 32
b. ~1908
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jessamine-County, Kentucky |
| Surname | Dean |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Jessamine |
| 1935 Residence (County) | Jessamine |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Allie Dean | Daughter | — | 11 | ~1929 |
| Sarah Dean | Daughter | — | 8 | ~1932 |
| Phidias Dean | Daughter | — | 3 | ~1937 |
| May Dean | Daughter | — | 6 | ~1934 |
| Homer Dean | Head | — | 45 | ~1895 |
| Bobby Dean | Son | — | 4 | ~1936 |
| William Dean | Son | — | 11 | ~1929 |
| Mary Dean | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Jessamine, Kentucky
Daughter, age 11
Jessamine, Kentucky · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dean |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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
Jessamine, Kentucky
Daughter, age 22
Jessamine, Kentucky · implied b. ~1908
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Dean |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Teacher |
| Industry | County School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jessamine-County, Kentucky
Spouse, age 32
Jessamine-County, Kentucky · implied b. ~1908 — 8 household members
| Surname | Dean |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Jessamine |
| 1935 Residence (County) | Jessamine |
| Highest Grade | No 8 |
| 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 Dean across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Elza Dean (~0.92 confidence) and mother Celia Dean (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Elza Dean
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Celia Dean
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Dean
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 — Jessamine-County, Kentucky
Open full size
1940 US Federal Census — Jessamine-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01322-00334)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charley Hager | 30 | Son | Farming | Kentucky |
| 42 | Frank Hager | 18 | Son | Farming | Kentucky |
| 43 | William Porter | 67 | Head | Farming | Kentucky |
| 44 | Maud Porter | 66 | Wife | — | Kentucky |
| 45 | William Porter | 21 | Son | Laborer | Kentucky |
| 46 | Luther Porter | 49 | Son | Carpenter | Kentucky |
| 47 | Inez Porter | 36 | Daughter-in-law | — | Alabama |
| 48 | Horace Bridges | 62 | Head | Farming | Kentucky |
| 49 | Andy Williams | 56 | Lodger | Laborer | Kentucky |
| 50 | George Brock | 33 | Head | Farming | Kentucky |
| 51 | Ophelia Brock | 30 | Wife | — | Kentucky |
| 52 | Anna Brock | 9 | Daughter | — | Kentucky |
| 53 | Homer Dean | 45 | Head | Farming | Kentucky |
| 54 | Mary Dean THIS PERSON | 32 | Wife | — | Kentucky |
| 55 | William Dean | 11 | Son | — | Kentucky |
| 56 | Allie Dean | 11 | Daughter | — | Kentucky |
| 57 | Sarah Dean | 8 | Daughter | — | Kentucky |
| 58 | May C. Dean | 6 | Daughter | — | Kentucky |
| 59 | Bobby Dean | 4 | Son | — | Kentucky |
| 60 | Phidias Dean | 3 | Daughter | — | Kentucky |
| 61 | Walden Dean | 49 | Head | Farming | Kentucky |
| 62 | Nora Dean | 45 | Wife | — | Kentucky |
| 63 | Buford Lester | 39 | Head | Farming | Kentucky |
| 64 | Robin Lester | 35 | Wife | — | Kentucky |
| 65 | June Lester | 7 | Daughter | — | Kentucky |
| 66 | Ray Brock | 18 | Head | Laborer | Kentucky |
| 67 | Leanner Brock | 60 | Mother | — | Kentucky |
| 68 | Edward Fain | 55 | Head | Farming | Kentucky |
| 69 | Cecil Fain | 51 | Wife | — | Kentucky |
| 70 | Edgar Fain | 32 | Son | Laborer | Kentucky |
| 71 | Jasper Fain | 30 | Son | Farming | Kentucky |
| 72 | James Fain | 27 | Son | Laborer | Kentucky |
| 73 | Russell Fain | 25 | Son | Laborer | Kentucky |
| 74 | Vanard Fain | 22 | Son | Laborer | Kentucky |
| 75 | Hunter Fain | 18 | Son | Laborer | Kentucky |
| 76 | William Quimby | 70 | Head | — | Kentucky |
| 77 | Austin Mobley | 22 | Lodger | Farming | Kentucky |
| 78 | Helen Mobley | 19 | Lodger | — | Kentucky |
| 79 | Mary Bundette | 53 | Head | — | Kentucky |
| 80 | Corbitt Dayheart | 47 | Head | Farming | Kentucky |
Pedigree Summary
Mary
Gen 1 · 2 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)