MC
Mary Cox — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Shelby-County, Tennessee
Our Model Tree links this Mary Cox across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Shelby-County, Tennessee (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 3-person household.
Age 53
b. ~1887
Female
Head
Born: Mississippi
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Shelby-County, Tennessee |
| Surname | Cox |
| Given Name | Mary S |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Widowed |
| Birthplace | Mississippi |
| 1935 Residence (City) | Collierville Town |
| 1935 Residence (County) | Shelby |
| Additional Details | |
| Occupation | Housekeeper |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Housekeeper |
| Township / Ward | Collierville Town |
| Est. Birth Year | ~1887 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Cox | Daughter | — | 32 | ~1908 |
| Mary Cox | Head | — | 53 | ~1887 |
| Curtis Cox | Son | — | 24 | ~1916 |
Census Appearances
1900
Shelby, Tennessee
Other, age 15
Shelby, Tennessee · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Mike Annie |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Birth Month | Dec |
| Birth Year | 1885 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1910
Shelby, Tennessee
Spouse, age 26
Shelby, Tennessee · implied b. ~1884 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Margurite |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Years Married | 6 |
| Children Born | 2 |
| Children Living | 2 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1920
Shelby, Tennessee
Spouse, age 36
Shelby, Tennessee · implied b. ~1884 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Cook |
| Industry | Hotel |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Shelby, Tennessee
Other, age 43
Shelby, Tennessee · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Mary E |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 20 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Shelby-County, Tennessee
Head, age 53
Shelby-County, Tennessee · implied b. ~1887 — 3 household members
| Surname | Cox |
| Given Name | Mary S |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Widowed |
| Birthplace | Mississippi |
| 1935 Residence (City) | Collierville Town |
| 1935 Residence (County) | Shelby |
| Occupation | Housekeeper |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Cox across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cox
Head · 1940 · age 53 · b. ~1887 · Tennessee
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Shelby-County, Tennessee
Open full size
1940 US Federal Census — Shelby-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03934-00857)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jennie Hayes | 74 | Aunt | No Occupation | Mississippi |
| 2 | Frances S Irby | 60 | Head | Housekeeper | Tennessee |
| 3 | Mina Bryant | 54 | Niece | No Occupation | Mississippi |
| 4 | Ralph G Hall | 31 | Head | Owner-Manager | Mississippi |
| 5 | Ruth C Hall | 29 | Wife | Housewife | Tennessee |
| 6 | Mary Jean Hall | 3 | Daughter | — | — |
| 7 | Ralph Jr Hall | 0 | Son | — | — |
| 8 | Rachel Duke | 22 | Boarder | Vocational Teacher | Tennessee |
| 9 | Louise Holmes | 22 | Boarder | Elementary Teacher | Tennessee |
| 10 | Howard H Barrington | 26 | Head | Clerk | Tennessee |
| 11 | Virginia K Barrington | 24 | Wife | Housewife | Tennessee |
| 12 | Robert R Humphreys | 42 | Head | Guard Patrolman | Tennessee |
| 13 | Ruby H Humphreys | 41 | Wife | Housewife | Tennessee |
| 14 | Robert H Humphreys | 15 | Son | In School | Tennessee |
| 15 | Virginia R Humphreys | 15 | Daughter | In School | Tennessee |
| 16 | Richard N Humphreys | 13 | Son | In School | Tennessee |
| 17 | Sarah L Humphreys | 4 | Daughter | — | — |
| 18 | Virginia S Hughes | 62 | Mother-in-law | Home Helper | Tennessee |
| 19 | Charles Mclean | 60 | Head | Insurance Agent | Mississippi |
| 20 | Martha Mclean | 55 | Wife | Housewife | Mississippi |
| 21 | Mary S Cox THIS PERSON | 53 | Head | Housekeeper | Mississippi |
| 22 | Mary Lee Cox | 32 | Daughter | Home Helper | Mississippi |
| 23 | Curtis R Cox | 24 | Son | Farming | Tennessee |
| 24 | Ben Phinizy | 52 | Head | No Occupation | Alabama |
| 25 | Gayda C Phinizy | 36 | Wife | Housewife | Mississippi |
| 26 | Kate H Holden | 79 | Head | No Occupation | Tennessee |
| 27 | Kyle Davis | 37 | Head | Foreman C.C.C. | Tennessee |
| 28 | Kitty H Davis | 32 | Wife | Housewife | Tennessee |
| 29 | William L Cox | 68 | Head | Invalid | Mississippi |
| 30 | Helen Cox | 67 | Wife | Housewife | Mississippi |
| 31 | James R Cox | 65 | Head | Farming | Mississippi |
| 32 | Alice A Cox | 68 | Wife | Housewife | Mississippi |
| 33 | Clarance Lee Cox | 35 | Son | Instructor Univ. | Mississippi |
| 34 | Earnest F Farley | 63 | Head | No Occupation | Tennessee |
| 35 | Ethel H Farley | 61 | Wife | Housewife | Tennessee |
| 36 | Rachel Williams | 62 | Head | Cooking & Washing | Tennessee |
| 37 | James M Tramm | 75 | Head | Owner-Salesman | Mississippi |
| 38 | Mamie K Tramm | 63 | Wife | Housewife | Tennessee |
| 39 | Thomas B Earnheart | 73 | Head | Repairs Clocks | Mississippi |
| 40 | Ruby Earnheart | 44 | Daughter | Office Work | 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)