MD
Mary Day — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Mississippi
Our Model Tree links this Mary Day across the 1920, 1930 and 1940 US Censuses in Washington-County, Mississippi (XGBoost, ~Confirmed), with identified parents Will & Winnie — first a spouse (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Female
Spouse
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Mississippi |
| Surname | Day |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 4 |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Beat 4 |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Willie Day | Head | — | 25 | ~1915 |
| William Day | Son | — | ~1940 | |
| Johnny Day | Son | — | 2 | ~1938 |
| C Day | Son | — | 4 | ~1936 |
| Mary Day | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Washington, Mississippi
Daughter, age 4
Washington, Mississippi · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Washington, Mississippi
Daughter, age 16
Washington, Mississippi · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Washington-County, Mississippi
Spouse, age 24
Washington-County, Mississippi · implied b. ~1916 — 5 household members
| Surname | Day |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 4 |
| 1935 Residence (County) | Washington |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Day across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Will Day (~0.92 confidence) and mother Winnie Day (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Will Day
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Winnie Day
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Day
Spouse · 1940 · age 24 · b. ~1916 · Mississippi
★ 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 — Washington-County, Mississippi
Open full size
1940 US Federal Census — Washington-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02076-00388)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Scotty Alexander | 18 | Son | — | Mississippi |
| 42 | James Alexander | 16 | Son | — | Mississippi |
| 43 | Charlie T Alexander | 14 | Son | — | Mississippi |
| 44 | Andrew Jr Alexander | 12 | Son | — | Mississippi |
| 45 | Elsie Alexander | 10 | Daughter | — | Mississippi |
| 46 | Mary Alexander | 8 | Daughter | — | Mississippi |
| 47 | Theodore Alexander | 4 | Son | — | Mississippi |
| 48 | Robert Lee Alexander | 2 | Son | — | Mississippi |
| 49 | Henry Dan Alexander | 0 | Son | — | Mississippi |
| 50 | Wardella Johnson | 32 | Head | Farmer | Mississippi |
| 51 | Lena Johnson | 32 | Wife | — | Mississippi |
| 52 | Estella Johnson | 15 | Daughter | — | Mississippi |
| 53 | Martha Lee Johnson | 10 | Daughter | — | Mississippi |
| 54 | Wardella Jr Johnson | 5 | Son | — | Mississippi |
| 55 | Johnny Lee Johnson | 3 | Son | — | Mississippi |
| 56 | Willie Day | 25 | Head | Farmer | Mississippi |
| 57 | Mary Day THIS PERSON | 24 | Wife | — | Mississippi |
| 58 | C. B. Day | 4 | Son | — | Mississippi |
| 59 | Johnny Day | 2 | Son | — | Mississippi |
| 60 | William Jr Day | 0 | Son | — | Mississippi |
| 61 | Rife Flowers | 58 | Head | Farmer | Mississippi |
| 62 | Rachel Flowers | 58 | Wife | Farmer | Mississippi |
| 63 | Bennie Jackson | 14 | Grandson | — | Mississippi |
| 64 | Eugene Hudson | 11 | Grandson | — | Mississippi |
| 65 | Linie Cooper | 5 | Grandson | — | Mississippi |
| 66 | William Newsome | 59 | Head | Farmer | Mississippi |
| 67 | Silvanna Newsome | 55 | Wife | — | Mississippi |
| 68 | Velma Newsome | 23 | Daughter | Farm Laborer | Mississippi |
| 69 | Wade Newsome | 21 | Son | Farm Laborer | Mississippi |
| 70 | Lula Mae Newsome | 19 | Daughter | — | Mississippi |
| 71 | Willie Newsome | 16 | Daughter | — | Mississippi |
| 72 | Ford Newsome | 8 | Grandson | — | Mississippi |
| 73 | William Newsome | 8 | Grandson | — | Mississippi |
| 74 | Lillie Newsome | 32 | Daughter | — | Mississippi |
| 75 | Leon Newsome | 5 | Grandson | — | Mississippi |
| 76 | Carry Baggot | 22 | Head | Farmer | Mississippi |
| 77 | Mary Eliza Baggot | 20 | Wife | — | Mississippi |
| 78 | Carey Jr Baggot | 2 | Son | — | Mississippi |
| 79 | Columbus Ware | 26 | Head | Farmer | Mississippi |
| 80 | Lebertha Ware | 22 | Wife | — | Mississippi |
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)