Mary Davis — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Shelby-County, Tennessee

Our Model Tree links this Mary Davis across the 1920, 1930 and 1940 US Censuses in Shelby-County, Tennessee (XGBoost, ~Confirmed) — first a head (b.~1901), then head of a 5-person household.

Age 39 b. ~1901 Female Head Born: Tennessee Married

1940 Census Record Details

Census Year	1940
Location	Shelby-County, Tennessee
Surname	Davis
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	Black
Age	39
Marital Status	Married
Birthplace	Tennessee
1935 Residence (City)	Memphis
1935 Residence (County)	Shelby
Additional Details
Industry	0
Highest Grade	No 5
1935 Residence	Same place
Birth State	Tennessee
Birth Country	United States
Birthplace (normalized)	tennessee
Township / Ward	Memphis
Est. Birth Year	~1901

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.

5 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Agustus Davis	Daughter	—	10	~1930
Eddie Davis	Daughter	—	17	~1923
Beatrice Davis	Daughter	—	12	~1928
Mary Davis	Head	—	39	~1901
John Davis	Son	—	15	~1925

Census Appearances

1920

Shelby, Tennessee

Spouse, age 20

Shelby, Tennessee · implied b. ~1900 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Davis
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	Black
Age	20
Marital Status	Married
Birthplace	Tennessee
Father's Birthplace	Tennessee
Mother's Birthplace	Georgia
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Tennessee
Birth Country	United States
Birthplace (normalized)	tennessee

1930

Shelby, Tennessee

Other, age 29

Shelby, Tennessee · implied b. ~1901 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Davis
Given Name	Mary
Relationship to Head	Wife-H
Sex	F
Color / Race	Black
Age	29
Marital Status	Married
Birthplace	Tennessee
Age at First Marriage	19
Father's Birthplace	Tennessee
Mother's Birthplace	Tennessee
Can Read/Write	Yes
Birth State	Tennessee
Birth Country	United States
Birthplace (normalized)	tennessee

1940

Shelby-County, Tennessee

Head, age 39

Shelby-County, Tennessee · implied b. ~1901 — 5 household members

Surname	Davis
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	Black
Age	39
Marital Status	Married
Birthplace	Tennessee
1935 Residence (City)	Memphis
1935 Residence (County)	Shelby
Industry	0
Highest Grade	No 5
1935 Residence	Same place
Birth State	Tennessee
Birth Country	United States
Birthplace (normalized)	tennessee

Model Tree

Linked across censuses

Our Model Tree links Mary Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Davis

Head · 1940 · age 39 · b. ~1901 · Tennessee

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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

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-03962-00419)

Line	Name	Age	Relation	Occupation	Birthplace
1	Ed Tillman	54	Head	Watchman	Mississippi
2	Jessie Palmore	21	Daughter	—	Mississippi
3	Booker T Palmore	23	Son-in-law	Laborer	Mississippi
4	Sammy Palmore	4	Son	—	Tennessee
5	William Palmore	2	Son	—	Tennessee
6	Clinton Palmore	0	Son	—	Tennessee
7	Clayton Palmore	0	Son	—	Tennessee
8	Thadius Collins	31	Cousin	Storeman	Mississippi
9	James Ramsey	42	Head	Laborer	Arkansas
10	Annie Ramsey	40	Wife	Beautician	Mississippi
11	Claudie Kranne	46	Head	Dressmaker	Mississippi
12	James Robinson	22	Brother	Pr Cook	Arkansas
13	Seaman Williams	30	Nephew	—	Arkansas
14	Samuel Robinson	20	Nephew	Waiter	Tennessee
15	Daniel Robinson	18	Nephew	—	Tennessee
16	Burt Brown	20	Lodger	Common Labor	Mississippi
17	L. E. Porter	65	Head	—	Tennessee
18	Lelia Porter	48	Daughter	High School Teacher	Kentucky
19	Willie Bryant	38	Head	Laborer	Alabama
20	Salina Bryant	22	Wife	Housemaid	Arkansas
21	Sam Harris	44	Head	Truck Driver	Mississippi
22	Cora Harris	35	Wife	—	Mississippi
23	Helen Harris	21	Daughter	—	Mississippi
24	David Mcpherson	41	Head	Laborer	Mississippi
25	Johnnie Mcpherson	27	Wife	—	Mississippi
26	Juanita Robinson	20	Daughter	—	Mississippi
27	James Robinson	30	Son-in-law	Elevator Operator	Mississippi
28	Bernice Mcpherson	14	Daughter	—	Tennessee
29	Willie Robinson	2	Grandson	—	Tennessee
30	Richard Jones	43	Head	Porter	Tennessee
31	Minnie Jones	42	Wife	—	Tennessee
32	Steve Randle	44	Head	Porter	Tennessee
33	Freddie Randle	20	Daughter	Assistant Instructor	Tennessee
34	Mary Davis THIS PERSON	39	Head	—	Tennessee
35	Eddie B Davis	17	Daughter	Maid	Tennessee
36	John Davis	15	Son	—	Tennessee
37	Beatrice Davis	12	Daughter	—	Tennessee
38	Agustus Davis	10	Daughter	—	Tennessee
39	Luella Taylor	27	Head	Dressmaker	Mississippi

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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)

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