MF
Mary Foster — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Tennessee
Our Model Tree links this Mary Foster across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Tennessee (XGBoost, ~Confirmed), with identified parents Sam & Samuel — first a daughter (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Tennessee |
| Surname | Foster |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | 7 |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | G 8 |
| 1935 Residence | Same Place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | 7 |
| Est. Birth Year | ~1921 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Nevils Foster | Daughter | — | 4 | ~1936 |
| Katherine Foster | Daughter | — | 13 | ~1927 |
| Mary Foster | Daughter | — | 19 | ~1921 |
| Margaret Foster | Daughter | — | 8 | ~1932 |
| Sam Foster | Head | — | 48 | ~1892 |
| Edward Foster | Son | — | 21 | ~1919 |
| Fred Foster | Son | — | 15 | ~1925 |
| Lissie Foster | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Jefferson, Tennessee
Daughter, age
Jefferson, Tennessee · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Jefferson, Tennessee
Daughter, age 11
Jefferson, Tennessee · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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
Jefferson-County, Tennessee
Daughter, age 19
Jefferson-County, Tennessee · implied b. ~1921 — 8 household members
| Surname | Foster |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | 7 |
| 1935 Residence (County) | Jefferson |
| Highest Grade | G 8 |
| 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 Foster across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Sam Foster (~0.92 confidence) and father Samuel Foster (~0.92 confidence) and mother Effie Foster (~0.92 confidence) and mother Lissie Foster (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Sam Foster
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Samuel Foster
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Effie Foster
b. ~1900
Source mother
● Household
· direct · ~0.92
Mother
Lissie Foster
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Foster
Daughter · 1940 · age 19 · b. ~1921 · Tennessee
★ You are viewing this record
Sibling
Katherine Foster
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nevils Foster
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Foster
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Foster
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Foster
Sibling · 1940 · age 15
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 — Jefferson-County, Tennessee
Open full size
1940 US Federal Census — Jefferson-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03908-00376)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Estell Wright | 10 | daughter | — | Tennessee |
| 42 | Imogene Wright | 5 | daughter | — | — |
| 43 | Harold Wright | 2 | son | — | — |
| 44 | Lee Smith | 33 | Head | Farmer | Tennessee |
| 45 | Dollie Smith | 33 | wife | — | Tennessee |
| 46 | James W Smith | 14 | son | — | Tennessee |
| 47 | Janie Smith | 12 | daughter | — | Tennessee |
| 48 | Leslie Jr Smith | 10 | daughter | — | Tennessee |
| 49 | Bobby Smith | 5 | son | — | — |
| 50 | Mary Smith | 2 | daughter | — | — |
| 51 | Charles H Ballinger | 52 | Head | Farmer | Tennessee |
| 52 | Lela M Ballinger | 41 | wife | — | Tennessee |
| 53 | Guy Ballinger | 18 | son | Farmer | Tennessee |
| 54 | Donald Ballinger | 8 | son | — | Tennessee |
| 55 | Lillian P Ballinger | 7 | daughter | — | Tennessee |
| 56 | Gerald D Ballinger | 4 | son | — | — |
| 57 | Mary F Ballinger | 1 | daughter | — | — |
| 58 | Howard Clowers | 22 | step-son | Farmer | Tennessee |
| 59 | Shade Foster | 32 | Head | Carpenter | Tennessee |
| 60 | Pauline Foster | 23 | wife | — | Tennessee |
| 61 | James K Foster | 5 | son | — | — |
| 62 | Barbara J Foster | 2 | daughter | — | — |
| 63 | Lornel Collins | 53 | sister | — | Tennessee |
| 64 | Ruth Collins | 14 | niece | — | Tennessee |
| 65 | Sam Foster | 48 | Head | Log Yard | Tennessee |
| 66 | Lissie Foster | 42 | wife | — | Tennessee |
| 67 | Edward Foster | 21 | son | Log Yard | Tennessee |
| 68 | Mary E Foster THIS PERSON | 19 | daughter | — | Tennessee |
| 69 | Fred Foster | 15 | son | — | Tennessee |
| 70 | Katherine Foster | 13 | daughter | — | Tennessee |
| 71 | Margaret Foster | 8 | daughter | — | Tennessee |
| 72 | Nevils Foster | 4 | daughter | — | — |
| 73 | Jess G Foster | 52 | Head | Logging | Tennessee |
| 74 | Vina Foster | 50 | wife | — | Tennessee |
| 75 | Carl H Repair | 46 | Head | Farmer | Tennessee |
| 76 | Nilla Q Repair | 41 | wife | — | Tennessee |
| 77 | Louise M Repair | 19 | daughter | Office | Tennessee |
| 78 | Eloise M Repair | 18 | daughter | — | Tennessee |
| 79 | Millie Ned Repair | 6 | son | — | — |
| 80 | John W Price | 24 | Head | Farmer | Tennessee |
Related Census Records
Pedigree Summary
Mary + 5 siblings
Gen 1 · 4 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)