MN
Mary Nixon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Smith-County, Tennessee
Our Model Tree links this Mary Nixon across the 1930 and 1940 US Censuses in Smith-County, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Smith-County, Tennessee |
| Surname | Nixon |
| Given Name | Mary G |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Civil District No. 7 |
| 1935 Residence (County) | Smith |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Civil District No 7 |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Earl Nixon | Head | — | 45 | ~1895 |
| Thomas Nixon | Son | — | 17 | ~1923 |
| Daisy Nixon | Daughter | — | 7 | ~1933 |
| Allie Nixon | Spouse | — | 36 | ~1904 |
| Mary Nixon | Daughter | — | 12 | ~1928 |
| Earl Nixon | Son | — | 14 | ~1926 |
| John Nixon | Son | — | 21 | ~1919 |
Census Appearances
1930
Smith, Tennessee
Other, age 1
Smith, Tennessee · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nixon |
| Given Name | Margit L. |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Smith-County, Tennessee
Daughter, age 12
Smith-County, Tennessee · implied b. ~1928 — 7 household members
| Surname | Nixon |
| Given Name | Mary G |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Civil District No. 7 |
| 1935 Residence (County) | Smith |
| Highest Grade | No 7 |
| 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 Nixon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Nixon
Daughter · 1940 · age 12 · b. ~1928 · Tennessee
★ You are viewing this record
Sibling
Earl Nixon
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Nixon
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Nixon
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daisy Nixon
Sibling · 1940 · age 7
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 — Smith-County, Tennessee
Open full size
1940 US Federal Census — Smith-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03936-00189)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bertha Nixon | 50 | Head | — | Tennessee |
| 2 | Willard Craybra|Craybrau | 24 | Head | Farmer | Tennessee |
| 3 | Mary K Craybra|Craybrau | 22 | Wife | — | Tennessee |
| 4 | Peggy J Craybra|Craybrau | 5 | Daughter | — | Tennessee |
| 5 | Oakley Jr R Craybra|Craybrau | 0 | Son | — | Tennessee |
| 6 | William R Smith | 36 | Head | Laborer | Tennessee |
| 7 | Cassie H Smith | 40 | Wife | Laborer | Tennessee |
| 8 | John D Smith | 9 | Son | — | Tennessee |
| 9 | Robert N Smith | 7 | Son | — | Tennessee |
| 10 | Bart Dunn | 58 | Head | Farmer | Tennessee |
| 11 | Willie A Dunn | 55 | Wife | — | Tennessee |
| 12 | Pearl L Dunn | 19 | Daughter | — | Tennessee |
| 13 | J O Grisham | 20 | Head | Farmer | Tennessee |
| 14 | Minnie L Grisham | 19 | Wife | — | Tennessee |
| 15 | Hattie T Durham | 52 | Head | — | Tennessee |
| 16 | Aaron P Durham | 30 | Son | Farmer | Tennessee |
| 17 | John E Durham | 20 | Son | Farmer | Tennessee |
| 18 | Mable L Durham | 16 | Daughter | — | Tennessee |
| 19 | Ovil B Hinsley | 37 | Head | Farmer | Tennessee |
| 20 | Cora L Hinsley | 37 | Wife | — | Tennessee |
| 21 | Robert E Blackburn | 17 | Son | Farmer | Tennessee |
| 22 | Eva L Blackburn | 16 | Daughter | — | Tennessee |
| 23 | Earl R Nixon | 45 | Head | Farmer | Tennessee |
| 24 | Allie M Nixon | 36 | Wife | — | Tennessee |
| 25 | John L Nixon | 21 | Son | Laborer | Tennessee |
| 26 | Thomas L Nixon | 17 | Son | Laborer | Tennessee |
| 27 | Earl B Nixon | 14 | Son | — | Tennessee |
| 28 | Mary G Nixon THIS PERSON | 12 | Daughter | — | Tennessee |
| 29 | Daisy A Nixon | 7 | Daughter | — | Tennessee |
| 30 | Finis E Armstrong | 55 | Head | Farmer | Tennessee |
| 31 | Delia C Armstrong | 55 | Wife | Teacher | Tennessee |
| 32 | Lydia O Armstrong | 28 | Daughter | Teacher | Tennessee |
| 33 | Frances L Armstrong | 26 | Daughter | — | Tennessee |
| 34 | William R Armstrong | 24 | Son | — | Tennessee |
| 35 | Laura M Armstrong | 21 | Daughter | — | Tennessee |
| 36 | Toon H Johnson | 58 | Son in law | — | Tennessee |
| 37 | Paul E Miller | 21 | Head | Farmer | Tennessee |
| 38 | Willodene Miller | 17 | Wife | — | Tennessee |
| 39 | Patsy J Miller | 0 | Daughter | — | Tennessee |
| 40 | D D Tubb | 27 | Head | Farmer | 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)