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Mary Lawson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Tennessee
Our Model Tree links this Mary Lawson across the 1930 and 1940 US Censuses in Knox-County, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Tennessee |
| Surname | Lawson |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Dist # 4 |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Dist 4 |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Zylpha Lawson | Daughter | — | 4 | ~1936 |
| Thelma Lawson | Daughter | — | 6 | ~1934 |
| Mary Lawson | Daughter | — | 12 | ~1928 |
| Betty Lawson | Daughter | — | 9 | ~1931 |
| Joe Lawson | Head | — | 37 | ~1903 |
| Joe Lawson | Son | — | 13 | ~1927 |
| Hugh Lawson | Son | — | 8 | ~1932 |
| Warren Lawson | Son | — | 19 | ~1921 |
| Calvin Lawson | Son | — | 16 | ~1924 |
| Ona Lawson | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Knox, Tennessee
Daughter, age 2
Knox, Tennessee · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Knox-County, Tennessee
Daughter, age 12
Knox-County, Tennessee · implied b. ~1928 — 10 household members
| Surname | Lawson |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Dist # 4 |
| 1935 Residence (County) | Knox |
| Highest Grade | 6 |
| 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 Lawson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lawson
Daughter · 1940 · age 12 · b. ~1928 · Tennessee
★ You are viewing this record
Sibling
Betty Lawson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calvin Lawson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Warren Lawson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Lawson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Lawson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugh Lawson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Zylpha Lawson
Sibling · 1940 · age 4
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
40 people indexed on this census page (nara:1940:m-t0627-03909-00457)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Adcock | 19 | daughter | Seamstress | Tennessee |
| 2 | Theodore Osborne | 36 | Head | Soldier | Tennessee |
| 3 | Velma Osborne | 35 | Wife | — | Tennessee |
| 4 | Andrew J. Osborne | 10 | son | — | Alabama |
| 5 | William P. Osborne | 5 | son | — | Tennessee |
| 6 | Patricia A. Osborne | 3 | daughter | — | Tennessee |
| 7 | Joe Lawson | 37 | Head | Engineer | Tennessee |
| 8 | Ona Lawson | 38 | Wife | — | Tennessee |
| 9 | Warren Lawson | 19 | son | — | Tennessee |
| 10 | Calvin Lawson | 16 | son | — | Tennessee |
| 11 | Joe Jr. Lawson | 13 | son | — | Tennessee |
| 12 | Mary Lawson THIS PERSON | 12 | daughter | — | Tennessee |
| 13 | Betty Sue Lawson | 9 | daughter | — | Tennessee |
| 14 | Hugh Lee Lawson | 8 | son | — | Tennessee |
| 15 | Thelma R. Lawson | 6 | daughter | — | Tennessee |
| 16 | Zylpha Lee Lawson | 4 | daughter | — | Tennessee |
| 17 | Ed Carter | 28 | Head | Shipping Clerk | Tennessee |
| 18 | Lola Carter | 27 | Wife | — | Tennessee |
| 19 | Charles Carter | 8 | son | — | Tennessee |
| 20 | Andrew Carter | 3 | son | — | Tennessee |
| 21 | Frank O. Cash | 24 | Head | Laborer | Tennessee |
| 22 | Pearl Cash | 57 | Mother | — | Tennessee |
| 23 | Samuel Cash | 21 | Brother | Laborer | Tennessee |
| 24 | J. P. Rector | 34 | Head | — | N. Carolina |
| 25 | Emma Rector | 34 | Wife | — | Tennessee |
| 26 | Dorothy Rector | 18 | daughter | — | Tennessee |
| 27 | Thelma Rector | 15 | son | — | Tennessee |
| 28 | Freeman L. Lee | 36 | Head | Salesman | Tennessee |
| 29 | Lillian Lee | 34 | Wife | — | Tennessee |
| 30 | Kenneth Lee | 15 | Grandson | — | Tennessee |
| 31 | Gerald Lee | 7 | Grandson | — | Tennessee |
| 32 | Dixi Osborne | 45 | Head | Hand Craft | Tennessee |
| 33 | C. Columbia Osborne | 13 | son | — | Tennessee |
| 34 | L. L. Smiley | 44 | Head | Maintenance Man | Tennessee |
| 35 | Ila Smiley | 38 | Wife | Teacher | Tennessee |
| 36 | Mary Smiley | 13 | daughter | — | Tennessee |
| 37 | Lal A. Akridge | 50 | Head | Salesman | Tennessee |
| 38 | Nettie Akridge | 47 | Wife | — | Tennessee |
| 39 | Elizabeth Akridge | 20 | daughter | Secretary | Kentucky |
| 40 | Mary Akridge | 17 | daughter | — | 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)