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Mary Marshall — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Indiana
Our Model Tree links this Mary Marshall across the 1910, 1920, 1930 and 1940 US Censuses in Washington-County, Indiana (XGBoost, ~Confirmed), with identified parents Peter & Ben — first a daughter (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Indiana |
| Surname | Marshall |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Highest Grade | C 5 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Salem 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Marshall | Daughter | — | 32 | ~1908 |
| Earnest Marshall | Head | — | 56 | ~1884 |
| Ethel Marshall | Spouse | — | 54 | ~1886 |
Census Appearances
1910
Washington, Indiana
Daughter, age 3
Washington, Indiana · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Washington, Indiana
Daughter, age 13
Washington, Indiana · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Washington, Indiana
Daughter, age 22
Washington, Indiana · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Teacher |
| Industry | Public Schools |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Washington-County, Indiana
Daughter, age 32
Washington-County, Indiana · implied b. ~1908 — 3 household members
| Surname | Marshall |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Washington |
| Highest Grade | C 5 |
| 1935 Residence | Indiana |
| 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 Marshall across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Marshall (~0.83 confidence) and father Ben Marshall (~0.92 confidence) and mother Ophelia Marshall (~0.92 confidence) and mother Cordelia Marshall (~0.92 confidence) and father Earnest Marshall (~0.92 confidence) and father Joseph Marshall (~0.92 confidence) and mother Ethel Marshall (~0.92 confidence). The pedigree spans 2 generations with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.91
Father
Peter Marshall
b. ~1841
Source father>father
● Household
· direct · ~0.83
Father
Ben Marshall
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Ophelia Marshall
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Cordelia Marshall
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Earnest Marshall
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Joseph Marshall
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Ethel Marshall
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Marshall
Daughter · 1940 · age 32 · b. ~1908 · Indiana
★ 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, Indiana
Open full size
1940 US Federal Census — Washington-County, Indiana
Page Contents
15 people indexed on this census page (nara:1940:m-t0627-01107-00993)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gertrude Patton | 65 | Head | — | Indiana |
| 42 | Earnest Marshall | 56 | Head | Farmer | Indiana |
| 43 | Ethel Marshall | 54 | Wife | — | Indiana |
| 44 | Mary Marshall THIS PERSON | 32 | Daughter | — | Indiana |
| 45 | Jane Sweeney | 57 | Head | — | Indiana |
| 46 | Stella Medlock | 25 | Niece | Stain Room | Indiana |
| 47 | Nellie Robbins | 41 | Head | Seamstress | Indiana |
| 48 | Martha Matthew | 73 | Mother | — | Indiana |
| 49 | Charles Tuell | 28 | Head | Repair Man | Indiana |
| 50 | Louella Tuell | 23 | Wife | — | Indiana |
| 51 | Mildred Tuell | 7 | Daughter | — | Indiana |
| 52 | Elmer Zink | 39 | Head | Fireman | Indiana |
| 53 | Edna Zink | 36 | Wife | — | Indiana |
| 54 | Maxine Zink | 17 | Daughter | — | Indiana |
| 55 | Martha Martha Spurgeon | 82 | Mother | — | Indiana |
Pedigree Summary
Mary
Gen 1 · 6 parents
~0.92
Gen 2 · 1 grandparents
~0.83
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)