Mary Hill — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Davidson-County, Tennessee

Our Model Tree links this Mary Hill across the 1920, 1930 and 1940 US Censuses in Davidson-County, Tennessee (XGBoost, ~Confirmed), with identified parents John & Birdie — first a head (b.~1901), then head of a 3-person household.

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

1940 Census Record Details

Census Year	1940
Location	Davidson-County, Tennessee
Surname	Hill
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	Black
Age	39
Marital Status	Married
Birthplace	Tennessee
1935 Residence (City)	Unincorporated place Woodbine
1935 Residence (County)	Davidson
Additional Details
Highest Grade	No 5
1935 Residence	Same house
Birth State	Tennessee
Birth Country	United States
Birthplace (normalized)	tennessee
Township / Ward	Unincorporated Place Woodbine
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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Hill	Daughter	—	15	~1925
Mary Hill	Head	—	39	~1901
William Hill	Spouse	—	39	~1901

Census Appearances

1920

Davidson, Tennessee

Daughter, age 20

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

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hall
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	Black
Age	20
Marital Status	Single
Birthplace	Tennessee
Father's Birthplace	Tennessee
Mother's Birthplace	Tennessee
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Tennessee
Birth Country	United States
Birthplace (normalized)	tennessee

1930

Davidson, Tennessee

Spouse, age 31

Davidson, Tennessee · implied b. ~1899 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hill
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	Black
Age	31
Marital Status	Married
Birthplace	Tennessee
Father's Birthplace	Tennessee
Mother's Birthplace	Tennessee
Can Read/Write	Yes
Birth State	Tennessee
Birth Country	United States
Birthplace (normalized)	tennessee

1940

Davidson-County, Tennessee

Head, age 39

Davidson-County, Tennessee · implied b. ~1901 — 3 household members

Surname	Hill
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	Black
Age	39
Marital Status	Married
Birthplace	Tennessee
1935 Residence (City)	Unincorporated place Woodbine
1935 Residence (County)	Davidson
Highest Grade	No 5
1935 Residence	Same house
Birth State	Tennessee
Birth Country	United States
Birthplace (normalized)	tennessee

Model Tree

Model Tree available

Our Model Tree links Mary Hill across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Hall (~0.92 confidence) and mother Birdie Hall (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

John Hall

b. ~1870

Source father

● Household · direct · ~0.92

Mother

Birdie Hall

b. ~1880

Source mother

● Household · direct · ~0.92

This person

Anchor record

Mary Hill

Head · 1940 · age 39 · b. ~1901 · 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 — Davidson-County, Tennessee Open full size

Page Contents

24 people indexed on this census page (nara:1940:m-t0627-03884-00742)

Line	Name	Age	Relation	Occupation	Birthplace
41	J. W. Hill	24	Head	Driver	Tennessee
42	Willie Hill	22	Son	Driver	Tennessee
43	Pearl Hill	16	Daughter	—	Tennessee
44	Ada Elizabeth Hill	15	Daughter	—	Tennessee
45	Ida Mae Hill	9	Daughter	—	Tennessee
46	Cornelius Hill	6	Son	—	Tennessee
47	Clarence L. Hill	5	Daughter	—	Tennessee
48	Lucille Hill	3	Daughter	—	Tennessee
49	Emma Watts	28	Head	Cook	Tennessee
50	Lizzie Whitsett	69	Mother	—	Tennessee
51	Sam Summers	36	Boarder	—	Tennessee
52	Mary Hill THIS PERSON	39	Head	—	Tennessee
53	William Hill	39	Husband	Fireman	Tennessee
54	Mary Bertie Hill	15	Daughter	—	Tennessee
55	Earnest Wade	35	Head	Truck Driver	Tennessee
56	Geneva Wade	35	Wife	Laundry Worker	Tennessee
57	Ella Hunn	58	Boarder	—	Tennessee
58	Jim Jordan	63	Head	Laborer	Tennessee
59	Lula Jordan	60	Wife	Housework	Tennessee
60	Fanny Head	24	Head	Cares For Children	Tennessee
62	P. H. Holt	55	Head	Engine Wiper	Tennessee
63	Carrie Holt	53	Wife	House Worker	Tennessee
64	Ira Ridley	20	Daughter	House Worker	Tennessee
65	Haywood Ridley	3	Grandson	—	Tennessee

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Pedigree Summary

Mary

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

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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