MD
Mary Dean — 1940 US Census Record
Model Tree available1940 United States Federal Census · Vigo-County, Indiana
Our Model Tree links this Mary Dean across the 1920, 1930 and 1940 US Censuses in Vigo-County, Indiana (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a daughter (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vigo-County, Indiana |
| Surname | Dean |
| Given Name | Mary F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Pierson |
| 1935 Residence (County) | Vigo |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Pierson |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Nellie Dean | Daughter | — | 10 | ~1930 |
| Mary Dean | Daughter | — | 21 | ~1919 |
| Charles Dean | Head | — | 60 | ~1880 |
| Floyd Dean | Son | — | 18 | ~1922 |
| Charles Dean | Son | — | 19 | ~1921 |
| Raymond Dean | Son | — | 12 | ~1928 |
| Allie Dean | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Vigo, Indiana
Daughter, age 1
Vigo, Indiana · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dean |
| Given Name | Mary F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Vigo, Indiana
Daughter, age 11
Vigo, Indiana · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dean |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Vigo-County, Indiana
Daughter, age 21
Vigo-County, Indiana · implied b. ~1919 — 7 household members
| Surname | Dean |
| Given Name | Mary F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Pierson |
| 1935 Residence (County) | Vigo |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Charles Dean (~0.92 confidence) and father Charles Dean (~0.92 confidence) and mother Allie Dean (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Dean
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Charles Dean
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Allie Dean
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Dean
Daughter · 1940 · age 21 · b. ~1919 · Indiana
★ You are viewing this record
Sibling
Raymond Dean
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Dean
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Dean
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Floyd Dean
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Vigo-County, Indiana
Open full size
1940 US Federal Census — Vigo-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01105-00385)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Esther Perkins | 45 | Wife | — | Indiana |
| 42 | Paul K Perkins | 22 | Son | Laborer | Indiana |
| 43 | Felix R Compton | 58 | Head | Laborer | Indiana |
| 44 | Stella M Compton | 48 | Wife | — | Indiana |
| 45 | Betty L Compton | 4 | Daughter | — | Indiana |
| 46 | Hiram X Williams | 43 | Head | Wpa | Illinois |
| 47 | Effie F Williams | 41 | Wife | — | Indiana |
| 48 | William H Williams | 2 | Son | — | Indiana |
| 49 | James M Hopewell | 54 | Head | Laborer | Indiana |
| 50 | Matilda J Hopewell | 48 | Wife | — | Indiana |
| 51 | Jane L Hopewell | 17 | Daughter | — | Indiana |
| 52 | Thomas B Hunter | 56 | Head | Laborer | Indiana |
| 53 | Kenneth M Hunter | 27 | Nephew | Laborer | Indiana |
| 54 | Omeda Hunter | 25 | Wife | — | Indiana |
| 55 | Frank G Thompson | 50 | Head | Laborer | Indiana |
| 56 | Cecil G Thompson | 36 | Wife | — | Indiana |
| 57 | Ruth E Thompson | 15 | Daughter | — | Indiana |
| 58 | Frank G Jr Thompson | 9 | Son | — | Indiana |
| 59 | James W Thompson | 6 | Son | — | Illinois |
| 60 | Mary H Simpson | 72 | Widow | — | Indiana |
| 61 | Ira E Sparks | 34 | Head | Wpa | Indiana |
| 62 | Erma R Sparks | 27 | Wife | — | Indiana |
| 63 | Norma D Sparks | 6 | Daughter | — | Indiana |
| 64 | Clifford L Sparks | 3 | Son | — | Indiana |
| 65 | Ernest R Sparks | 2 | Son | — | Indiana |
| 66 | Frederick A Dean | 35 | Head | Wpa | Indiana |
| 67 | Eva L Dean | 30 | Wife | — | Indiana |
| 68 | Charles F Dean | 10 | Son | — | Indiana |
| 69 | Wanda L Dean | 8 | Daughter | — | Indiana |
| 70 | John E Dean | 3 | Son | — | Indiana |
| 71 | Orville H Dean | 33 | Head | Wpa | Indiana |
| 72 | Florenia L Dean | 27 | Wife | — | Indiana |
| 73 | Donald L Dean | 2 | Son | — | Indiana |
| 74 | Charles H Dean | 60 | Head | Wpa | Indiana |
| 75 | Allie Dean | 53 | Wife | — | Indiana |
| 76 | Mary F Dean THIS PERSON | 21 | Daughter | — | Indiana |
| 77 | Charles L Dean | 19 | Son | Nya | Indiana |
| 78 | Floyd M Dean | 18 | Son | — | Indiana |
| 79 | Raymond R Dean | 12 | Son | — | Indiana |
| 80 | Nellie E Dean | 10 | Daughter | — | Indiana |
Related Census Records
Pedigree Summary
Mary + 4 siblings
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)