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Mary Humphrey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Tennessee
Our Model Tree links this Mary Humphrey across the 1930 and 1940 US Censuses in Knox-County, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 9-person household.
Age 19
b. ~1921
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Tennessee |
| Surname | Humphrey |
| Given Name | Mary D |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Knoxville city |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Occupation | Waitress |
| Industry | Cafe |
| Class of Worker | PW |
| Hours Worked | 34 |
| Income (1939) | 80 |
| Highest Grade | H 1 |
| 1935 Residence | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Waitress |
| Township / Ward | Knoxville City |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ethel Humphrey | Spouse | — | 44 | ~1896 |
| Louise Humphrey | Daughter | — | 14 | ~1926 |
| Henry Humphrey | Head | — | 55 | ~1885 |
| Henry Humphrey | Son | — | 15 | ~1925 |
| Mary Humphrey | Daughter | — | 19 | ~1921 |
| Robert Humphrey | Son | — | 18 | ~1922 |
| Jerry Humphrey | Son | — | 4 | ~1936 |
| Wallace Humphrey | Son | — | 12 | ~1928 |
| Margie Humphrey | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Knox, Tennessee
Daughter, age 9
Knox, Tennessee · implied b. ~1921 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Humphreys |
| Given Name | Mary Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Knox-County, Tennessee
Daughter, age 19
Knox-County, Tennessee · implied b. ~1921 — 9 household members
| Surname | Humphrey |
| Given Name | Mary D |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Knoxville city |
| 1935 Residence (County) | Knox |
| Occupation | Waitress |
| Industry | Cafe |
| Class of Worker | PW |
| Hours Worked | 34 |
| Income (1939) | 80 |
| Highest Grade | H 1 |
| 1935 Residence | Tennessee |
| 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 Humphrey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Humphrey
Daughter · 1940 · age 19 · b. ~1921 · Tennessee
★ You are viewing this record
Sibling
Jerry Humphrey
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Humphrey
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Humphrey
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Humphrey
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wallace Humphrey
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margie Humphrey
Sibling · 1940 · age 17
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 — Knox-County, Tennessee
Open full size
1940 US Federal Census — Knox-County, Tennessee
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03956-00720)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nola Watts | 44 | Wife | — | Tennessee |
| 2 | John E Watts | 12 | Son | — | Tennessee |
| 3 | Samuel J Mucer | 42 | Head | Carpenter | Pennsylvania |
| 4 | Rosa Mucer | 47 | Wife | — | Tennessee |
| 5 | Howard Dawson | 27 | Head | Clothing Presser | Tennessee |
| 6 | Allison Dawson | 26 | Head | Supervisor | Tennessee |
| 7 | Marie Dawson | 25 | Wife | — | Tennessee |
| 8 | Wayne Dawson | 3 | Son | — | Tennessee |
| 9 | Barbara Dawson | 0 | Daughter | — | Tennessee |
| 10 | Henry Humphrey | 55 | Head | Painter | Tennessee |
| 11 | Ethel Humphrey | 44 | Wife | — | Kentucky |
| 12 | Mary D Humphrey THIS PERSON | 19 | Daughter | Waitress | Tennessee |
| 13 | Robert Humphrey | 18 | Son | New Worker | Tennessee |
| 14 | Margie Humphrey | 17 | Daughter | — | Tennessee |
| 15 | Henry H Humphrey | 15 | Son | — | Tennessee |
| 16 | Louise Humphrey | 14 | Daughter | — | Tennessee |
| 17 | Wallace Humphrey | 12 | Son | — | Tennessee |
| 18 | Jerry E Humphrey | 4 | Son | — | Tennessee |
| 19 | Hobart Ward | 35 | Head | Laborer | Tennessee |
| 20 | Carrie Ward | 29 | Wife | — | Tennessee |
| 21 | Earl Lee | 27 | Head | Truck Driver | Tennessee |
| 22 | Juanita Lee | 24 | Wife | — | Tennessee |
| 23 | Francis Lee | 4 | Daughter | — | Tennessee |
| 24 | Geneva Lee | 2 | Daughter | — | Tennessee |
| 25 | Charles C Lewis | 55 | Head | Moving Van Operator | Tennessee |
| 26 | Susie Lewis | 49 | Wife | Baster | Tennessee |
| 27 | Charles Lewis | 23 | Son | Labor Foreman | Tennessee |
| 28 | William Kirby | 34 | Head | Truck Driver | Tennessee |
| 29 | Carrie L Kirby | 30 | Wife | — | Tennessee |
| 30 | Edna Kirby | 12 | Daughter | — | Tennessee |
| 31 | Billie Kirby | 11 | Daughter | — | Tennessee |
| 32 | Marguerite Kirby | 9 | Daughter | — | Tennessee |
| 33 | Robert Kirby | 7 | Son | — | Tennessee |
| 34 | Amos B Bull | 28 | Head | Machinist | Tennessee |
| 35 | Trula Bull | 22 | Wife | — | Tennessee |
| 36 | Martha T Bull | 3 | Daughter | — | Tennessee |
| 37 | Eva C Bull | 0 | Daughter | — | Tennessee |
| 38 | Charles Seaton | 38 | Head | Caretaker | Tennessee |
| 39 | Martha Seaton | 32 | Wife | — | Tennessee |
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)