MW
Mary Willis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hawkins-County, Tennessee
Our Model Tree links this Mary Willis across the 1930 and 1940 US Censuses in Hawkins-County, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hawkins-County, Tennessee |
| Surname | Willis |
| Given Name | Mary Lou |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Surgoinsville |
| 1935 Residence (County) | Hawkins |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same house |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Surgoinsville |
| Est. Birth Year | ~1928 |
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 |
|---|---|---|---|---|
| Mary Willis | Daughter | — | 12 | ~1928 |
| Gladis Willis | Daughter | — | 14 | ~1926 |
| Kate Willis | Daughter | — | 7 | ~1933 |
| Helen Willis | Daughter | — | 9 | ~1931 |
| Verna Willis | Daughter | — | 18 | ~1922 |
| Dallie Willis | Daughter | — | 3 | ~1937 |
| George Willis | Head | — | 50 | ~1890 |
| Dossie Willis | Son | — | 16 | ~1924 |
| Lizzie Willis | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Hawkins, Tennessee
Daughter, age 2
Hawkins, Tennessee · implied b. ~1928 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Willis |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Hawkins-County, Tennessee
Daughter, age 12
Hawkins-County, Tennessee · implied b. ~1928 — 9 household members
| Surname | Willis |
| Given Name | Mary Lou |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Surgoinsville |
| 1935 Residence (County) | Hawkins |
| Highest Grade | 5 |
| 1935 Residence | Same house |
| 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 Willis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Willis
Daughter · 1940 · age 12 · b. ~1928 · Tennessee
★ You are viewing this record
Sibling
Helen Willis
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dossie Willis
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladis Willis
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kate Willis
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verna Willis
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dallie Willis
Sibling · 1940 · age 3
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 — Hawkins-County, Tennessee
Open full size
1940 US Federal Census — Hawkins-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03902-00428)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Pearl Longmire | 13 | daughter | — | Tenn |
| 2 | Harrison Longmire | 10 | son | — | Tenn |
| 3 | David Longmire | 8 | son | — | Tenn |
| 4 | Mildred Longmire | 5 | daughter | — | Tenn |
| 5 | James Marsh | 32 | Head | Laborer | Tenn |
| 6 | Mary Marsh | 30 | Wife | — | Tenn |
| 7 | Charles E. Marsh | 10 | son | — | Tenn |
| 8 | Harold T. Marsh | 9 | son | — | Tenn |
| 9 | Elmer Ivey | 25 | Head | Laborer | Tenn |
| 10 | Lucil Ivey | 23 | Wife | — | Tenn |
| 11 | Wayne Ivey | 1 | son | — | Tenn |
| 12 | Carl Manis | 25 | Head | Laborer | Tenn |
| 13 | Mixie Manis | 27 | Wife | — | Tenn |
| 14 | Paul Manis | 5 | son | — | Tenn |
| 15 | George Manis | 2 | son | — | Tenn |
| 16 | Sue Clifton | 47 | Head | — | Tenn |
| 17 | Fred Clifton | 22 | son | Laborer | Tenn |
| 18 | Edgar Looney | 65 | Head | Laborer | Tennessee |
| 19 | Kate Looney | 63 | wife | — | Tennessee |
| 20 | Margaret Mcclough | 58 | Head | — | Tennessee |
| 21 | Willie Mcclough | 24 | son | Laborer | Tennessee |
| 22 | Flora Mcclough | 23 | daughter | — | Tennessee |
| 23 | Hubert Mcclough | 16 | son | Laborer | Tennessee |
| 24 | Charlie Crawford | 48 | Head | Laborer | Tennessee |
| 25 | Martha Crawford | 47 | wife | — | Virginia |
| 26 | Charlie Crawford | 19 | son | Laborer | Tennessee |
| 27 | Clay Crawford | 16 | son | — | Tennessee |
| 28 | Ruth Crawford | 13 | daughter | — | Tennessee |
| 29 | W. M. Crawford | 9 | son | — | Tennessee |
| 30 | Willie Crawford | 7 | son | — | Tennessee |
| 31 | George Willis | 50 | Head | Laborer | Virginia |
| 32 | Lizzie Willis | 45 | wife | — | Tennessee |
| 33 | Verna Willis | 18 | daughter | — | Virginia |
| 34 | Dossie Willis | 16 | son | — | Tennessee |
| 35 | Gladis Willis | 14 | daughter | — | Tennessee |
| 36 | Mary Lou Willis THIS PERSON | 12 | daughter | — | Tennessee |
| 37 | Helen Willis | 9 | daughter | — | Tennessee |
| 38 | Kate Willis | 7 | daughter | — | Tennessee |
| 39 | Dallie Jean Willis | 3 | daughter | — | Tennessee |
| 40 | Conner Shelton | 23 | Head | Laborer | 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)