David Lewis — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Polk-County, Florida

Our Model Tree links this David Lewis across the 1920, 1930 and 1940 US Censuses in Polk-County, Florida (XGBoost, ~Confirmed), with identified parents Joseph & Hattie — first a head (b.~1915), then head of a 3-person household.

Age 25 b. ~1915 Male Head Born: Florida Married

1940 Census Record Details

Census Year	1940
Location	Polk-County, Florida
Surname	Lewis
Given Name	David D.
Relationship to Head	Head
Sex	M
Color / Race	Black
Age	25
Marital Status	Married
Birthplace	Florida
1935 Residence (County)	Polk
Additional Details
Occupation	Laborer
Industry	phosphate mine
Class of Worker	PW
Hours Worked	42
Income (1939)	444
Highest Grade	No 2
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida
Occupation	Laborer
Township / Ward	Ft Meade Town
Est. Birth Year	~1915

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 David	Age	Birth yr
Gracie Lewis	Daughter	—	2	~1938
David Lewis	Head	—	25	~1915
Mamie Lewis	Spouse	—	23	~1917

Census Appearances

1920

Polk, Florida

Son, age 5

Polk, Florida · implied b. ~1915 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lewis
Given Name	David
Relationship to Head	Son
Sex	M
Color / Race	Black
Age	5
Marital Status	Single
Birthplace	Florida
Father's Birthplace	South Carolina
Mother's Birthplace	South Carolina
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida

1930

Polk, Florida

Other, age 16

Polk, Florida · implied b. ~1914 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lewis
Given Name	David
Relationship to Head	Brother
Sex	M
Color / Race	Black
Age	16
Marital Status	Single
Birthplace	Florida
Father's Birthplace	South Carolina
Mother's Birthplace	South Carolina
Occupation	Laborer
Industry	Truck Farm
Class of Worker	W
Can Read/Write	Yes
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida

1940

Polk-County, Florida

Head, age 25

Polk-County, Florida · implied b. ~1915 — 3 household members

Surname	Lewis
Given Name	David D.
Relationship to Head	Head
Sex	M
Color / Race	Black
Age	25
Marital Status	Married
Birthplace	Florida
1935 Residence (County)	Polk
Occupation	Laborer
Industry	phosphate mine
Class of Worker	PW
Hours Worked	42
Income (1939)	444
Highest Grade	No 2
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Joseph Lewis

b. ~1870

Source father

● Household · direct · ~0.92

Mother

Hattie Lewis

b. ~1882

Source mother

● Household · direct · ~0.92

This person

Anchor record

David Lewis

Head · 1940 · age 25 · b. ~1915 · Florida

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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 — Polk-County, Florida Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00612-00070)

Line	Name	Age	Relation	Occupation	Birthplace
41	Katherine Rhodes	4	Daughter	—	Florida
42	Brena Rhodes	3	Daughter	—	Florida
43	Lloyd Mcmillan	30	Head	Laborer	Florida
44	Helen Mcmillan	21	Wife	—	Florida
45	Lloyd Jr Mcmillan	1	Son	—	Florida
46	Augustus Williams	32	Head	Service Man	Florida
47	David D. Lewis THIS PERSON	25	Head	Laborer	Florida
48	Mamie Lewis	23	Wife	—	Florida
49	Gracie L. Lewis	2	Daughter	—	Florida
50	Joe D. Lewis	31	Head	Laborer	Florida
51	Elizabeth Lewis	29	Wife	—	Florida
52	Alice Lewis	14	Daughter	—	Florida
53	Bernard Lewis	9	Son	—	Florida
54	Edwin Lewis	6	Son	—	Florida
55	Mildred Lewis	3	Daughter	—	Florida
56	Theresa Lewis	2	Daughter	—	Florida
57	Lyman Brinson	50	Head	Laborer	Georgia
58	Rachel Brinson	45	Wife	House Work	Georgia
59	Magnolia Jackson	33	Head	House Keeper	Florida
60	Tom Bynum	42	Head	Porter	Georgia
61	Hattie O'Breen	40	Lodger	Wash Woman	Georgia
62	Wayne Browning	44	Head	Manager	Florida
63	Katie Browning	40	Wife	—	Georgia
64	Milton Browning	21	Son	—	Florida
65	Florence Vickers	47	Head	House Work	Georgia
66	Rosa Lee Vickers	15	Daughter	—	Florida
67	Ernestine Vickers	10	Daughter	—	Florida
68	Horace Ross	39	Lodger	Laborer	Georgia
69	Edward Haynes	49	Head	Laborer	Georgia
70	Florence Haynes	26	Daughter	Cook	North Carolina
71	Leola Haynes	9	Daughter	—	Florida
72	George Brown	19	Nephew	Laborer	Georgia
73	J. G. Brown	9	Step-daughter	—	Florida
74	Ben Jones	42	Head	Laborer	Georgia
75	Lula Bell Jones	32	Wife	Proprietress	Georgia
76	Henry Shaw	76	Father-in-law	—	North Carolina
77	Nick Haynes	27	Head	Laborer	Georgia
78	Bernice Haynes	25	Wife	Housekeeper	Georgia
79	Mary P. Haynes	5	Daughter	—	Florida
80	Yvonne Haynes	3	Daughter	—	Florida

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Pedigree Summary

David

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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