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Mary Armstrong — 1940 US Census Record
Model Tree available1940 United States Federal Census · Blount-County, Tennessee
Our Model Tree links this Mary Armstrong across the 1910, 1920, 1930 and 1940 US Censuses in Blount-County, Tennessee (XGBoost, ~Confirmed), with identified parents Sam & M — first a daughter (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Blount-County, Tennessee |
| Surname | Armstrong |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Civil District 1 Wellsville |
| 1935 Residence (County) | Blount |
| Additional Details | |
| Occupation | School teacher |
| Industry | Public schools |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 349 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Teacher |
| Township / Ward | Civil District 1 Wellsville |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Emma Armstrong | Daughter | — | 34 | ~1906 |
| Mary Armstrong | Daughter | — | 32 | ~1908 |
| M Armstrong | Head | — | 72 | ~1868 |
| Samuel Bingham | Other | — | 73 | ~1867 |
Census Appearances
1910
Blount, Tennessee
Daughter, age 2
Blount, Tennessee · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1920
Blount, Tennessee
Daughter, age 12
Blount, Tennessee · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Mary |
| 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
Blount, Tennessee
Daughter, age 22
Blount, Tennessee · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Blount-County, Tennessee
Daughter, age 32
Blount-County, Tennessee · implied b. ~1908 — 4 household members
| Surname | Armstrong |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Civil District 1 Wellsville |
| 1935 Residence (County) | Blount |
| Occupation | School teacher |
| Industry | Public schools |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 349 |
| Highest Grade | C-4 |
| 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 Armstrong across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Sam Armstrong (~0.92 confidence) and mother M Armstrong (~0.92 confidence) and mother Mary Armstrong (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Sam Armstrong
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
M Armstrong
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Mary Armstrong
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Armstrong
Daughter · 1940 · age 32 · b. ~1908 · Tennessee
★ You are viewing this record
Sibling
Emma Armstrong
Sibling · 1940 · age 34
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 — Blount-County, Tennessee
Open full size
1940 US Federal Census — Blount-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03874-00034)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sam R. Goddard | 48 | Head | Farmer | Tennessee |
| 2 | Kate Goddard | 44 | Wife | — | Tennessee |
| 3 | Ray L. Goddard | 11 | Son | — | Tennessee |
| 4 | Cecil Yates | 28 | Head | Farmer | Tennessee |
| 5 | Gene Yates | 25 | Wife | — | Tennessee |
| 6 | Wanda Yates | 5 | Daughter | — | Tennessee |
| 7 | Lorraine Yates | 1 | Daughter | — | Tennessee |
| 8 | Mrs. Mary Dixon | 71 | Head | — | Tennessee |
| 9 | Fred Dixon | 35 | Son | Farmer | Tennessee |
| 10 | Roy Dixon | 31 | Son | Catching Flat Sheets | Tennessee |
| 11 | Monnie Dixon | 28 | Daughter-in-law | — | Tennessee |
| 12 | Sam Steele | 58 | Head | Farmer | Tennessee |
| 13 | Janile Steele | 57 | Wife | — | Tennessee |
| 14 | Dodd Margaret Steele | 25 | Daughter | — | Tennessee |
| 15 | Francis Steele | 6 | Daughter | — | Tennessee |
| 16 | Jimmie Lynn Steele | 4 | Grandson | — | Tennessee |
| 17 | Harold Oscar Steele | 1 | Grandson | — | Tennessee |
| 18 | Curgil Armstrong | 36 | Boarder | — | Tennessee |
| 19 | Lemuel Russell | 36 | Head | Fireman On Furnace | Tennessee |
| 20 | Iris Russell | 31 | Wife | — | Tennessee |
| 21 | Juanita Russell | 13 | Daughter | — | Tennessee |
| 22 | Evelyn Russell | 8 | Daughter | — | Tennessee |
| 23 | Hans B. Russell | 50 | Brother | — | Tennessee |
| 24 | Fred Armstrong | 45 | Head | Farmer | Tennessee |
| 25 | Iniz Armstrong | 30 | Wife | — | Tennessee |
| 26 | Thelma Mae Armstrong | 20 | Daughter | — | Tennessee |
| 27 | Lorraine Armstrong | 19 | Daughter | — | Tennessee |
| 28 | Benny Franklin Armstrong | 14 | Son | — | Tennessee |
| 29 | Wilma Dean Armstrong | 11 | Daughter | — | Tennessee |
| 30 | M. Bell Armstrong | 72 | Head | Farm Operator | Tennessee |
| 31 | Emma Armstrong | 34 | Daughter | Secretary | Tennessee |
| 32 | Mary Armstrong THIS PERSON | 32 | Daughter | School Teacher | Tennessee |
| 33 | Samuel S. Bingham | 73 | Brother | — | Tennessee |
| 34 | Homer Bass | 42 | Head | Farmer | Tennessee |
| 35 | Sarah Bass | 41 | Wife | — | Tennessee |
| 36 | Mary Bass | 15 | Daughter | — | Tennessee |
| 37 | Otto Bass | 13 | Son | — | Tennessee |
| 38 | Creed Bass | 10 | Son | — | Tennessee |
| 39 | Buston Bass | 9 | Son | — | Tennessee |
| 40 | Earnestine Bass | 7 | Daughter | — | Tennessee |
Related Census Records
Pedigree Summary
Mary + 1 sibling
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)