MD
Mary Day — 1940 US Census Record
Model Tree available1940 United States Federal Census · Madison-County, Tennessee
Our Model Tree links this Mary Day across the 1910, 1920, 1930 and 1940 US Censuses in Madison-County, Tennessee (XGBoost, ~Confirmed), with identified parents Davis & James — first a daughter (b.~1905), then head of a 2-person household.
Age 35
b. ~1905
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Tennessee |
| Surname | Day |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Bemis Tenn |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Bemis Tenn |
| 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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Day | Daughter | — | 35 | ~1905 |
| Callie Day | Head | — | 65 | ~1875 |
Census Appearances
1910
Shelby, Tennessee
Daughter, age 2
Shelby, Tennessee · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Malory |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Write | none |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1920
Madison, Tennessee
Daughter, age 12
Madison, Tennessee · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Madison, Tennessee
Daughter, age 23
Madison, Tennessee · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Spinner |
| Industry | Cotton-mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Madison-County, Tennessee
Daughter, age 35
Madison-County, Tennessee · implied b. ~1905 — 2 household members
| Surname | Day |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Bemis Tenn |
| 1935 Residence (County) | Madison |
| Industry | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Davis Day (~0.92 confidence) and father James Day (~0.92 confidence) and mother Sarah Day (~0.92 confidence) and mother Callie Day (~0.92 confidence) and mother Mrs Day (~0.92 confidence) and mother Lela Day (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Davis Day
b. ~1865
Source father
● Household
· direct · ~0.92
Father
James Day
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Sarah Day
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Callie Day
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mrs Day
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Lela Day
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Day
Daughter · 1940 · age 35 · b. ~1905 · Tennessee
★ 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 — Madison-County, Tennessee
Open full size
1940 US Federal Census — Madison-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03918-00679)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William C. Sims | 18 | Grandson | — | Tennessee |
| 2 | Oliver Sisson | 39 | Head | Laborer | Kentucky |
| 3 | Nannie B. Sisson | 44 | Wife | — | Tennessee |
| 4 | Clellon G. Sisson | 6 | Son | — | Tennessee |
| 5 | Hattie Harper | 73 | Head | — | Tennessee |
| 6 | Zallie Harper | 53 | Son | — | Tennessee |
| 7 | Levi R. Jackson | 34 | Head | Spinning Room Helper | Tennessee |
| 8 | Lola Jackson | 41 | Wife | — | Tennessee |
| 9 | Geneva Jackson | 17 | Daughter | — | Tennessee |
| 10 | Bonnie Lou Jackson | 10 | Daughter | — | Tennessee |
| 11 | Connie D. Nicholson | 36 | Head | Doffer | Tennessee |
| 12 | Ruby Lee Nicholson | 30 | Wife | Spinner | Tennessee |
| 13 | Douglas Nicholson | 13 | Son | — | Tennessee |
| 14 | James G. Nicholson | 11 | Son | — | Tennessee |
| 15 | Ethel B. Bush | 48 | Head | Housekeeper | Tennessee |
| 16 | Callie M. Day | 65 | Head | — | Tennessee |
| 17 | Mary C. Day THIS PERSON | 35 | Daughter | — | Tennessee |
| 18 | Charlie E. Wheeler | 21 | Head | Doffer | Tennessee |
| 19 | Ruby Mae Wheeler | 24 | Wife | — | Tennessee |
| 20 | John H. Wright | 64 | Head | Spinner | Tennessee |
| 21 | Maggie J. Wright | 67 | Wife | — | Tennessee |
| 22 | Eula C. Wright | 32 | Daughter | — | Tennessee |
| 23 | Zella Barger | 20 | Head | Doffer | Tennessee |
| 24 | Leddie S. Barger | 20 | Wife | — | Tennessee |
| 25 | Andrew M. Baxter | 31 | Head | Carder | Tennessee |
| 26 | Lessie O. Baxter | 27 | Wife | — | Tennessee |
| 27 | Addellery O. Baxter | 9 | Daughter | — | Tennessee |
| 28 | Warner C. Baxter | 6 | Son | — | Tennessee |
| 29 | Evelyn M. Baxter | 2 | Daughter | — | Tennessee |
| 30 | Mattie L. Henson | 56 | Head | — | Tennessee |
| 31 | Mary E. Henson | 25 | Daughter | New Worker | Tennessee |
| 32 | Jesse P. Henson | 27 | Son | Painter | Tennessee |
| 33 | Oney Henson | 30 | Daughter-in-law | — | Tennessee |
| 34 | Barbara Ann Henson | 4 | Granddaughter | — | Tennessee |
| 35 | Effie Horton | 54 | Sister | Spinner | Tennessee |
| 36 | Myra Steele | 50 | Lodger | Spinner | Tennessee |
| 37 | Lola Evans | 27 | Lodger | Salesman | Tennessee |
| 38 | John D. Johnson | 37 | Head | Carpenter | Tennessee |
| 39 | Ethel J. Johnson | 35 | Wife | — | Tennessee |
| 40 | Harris L. Johnson | 12 | Daughter | — | Tennessee |
Pedigree Summary
Mary
Gen 1 · 6 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)