Mary Duke — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Orange, Florida

Our Model Tree links this Mary Duke across the 1930 and 1940 US Censuses in Orange, Florida (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 5-person household.

Age 0 b. ~1930 Female Daughter Born: Florida Single

1930 Census Record Details

Census Year	1930
Location	Orange, Florida
Surname	Duke
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	Black
Age	0
Marital Status	Single
Birthplace	Florida
Father's Birthplace	Florida
Mother's Birthplace	Florida
Additional Details
Can Read/Write	No
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida
Township / Ward	Winter Garden Precinct 11
Est. Birth Year	~1930

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 1930 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Ulasmae Duke	Daughter	—	3	~1927
Mary Duke	Daughter	—		~1930
Edna Duke	Spouse	—	21	~1909
Richard Duke	Head	—	24	~1906
Theado Duke	Son	—	6	~1924

Census Appearances

1930

Orange, Florida

Daughter, age

Orange, Florida · implied b. ~1930 — 5 household members

Surname	Duke
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	Black
Age	0
Marital Status	Single
Birthplace	Florida
Father's Birthplace	Florida
Mother's Birthplace	Florida
Can Read/Write	No
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida

1940

Orange-County, Florida

Daughter, age 11

Orange-County, Florida · implied b. ~1929 — 10 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Dukes
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	Black
Age	11
Marital Status	Single
Birthplace	Florida
1935 Residence (City)	Unincorporated place Black Lake Avalon Rd.
1935 Residence (County)	Orange
Highest Grade	No 1
1935 Residence	Same place
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Duke

Daughter · 1930 · age 0 · b. ~1930 · Florida

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Sibling

Theado Duke

Sibling · 1930 · age 6

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Ulasmae Duke

Sibling · 1930 · age 3

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

1930 US Federal Census — Orange, Florida Open full size

Page Contents

50 people indexed on this census page (ia:1930:15thcensus327unit:0268)

Line	Name	Age	Relation	Occupation	Birthplace
1	Fannie Benson	71	Wife	—	Florida
2	Rosselt Johnson	27	Head	Laborer	Florida
3	Marie Johnson	21	Wife	—	Florida
4	Alex Jones	22	Head	Janitor	South Carolina
5	Sammie L Jones	20	Wife	—	Georgia
6	Willie Perry	27	Head	Laborer	Georgia
7	Pinkie Perry	27	Wife	—	Georgia
8	Dallas Pope	29	Head	Laborer	Georgia
9	Theulah Pope	18	Wife	—	Georgia
10	Bell Mcmeek	46	Mother-in-law	—	Florida
11	Will Elige	39	Head	Farmer	South Carolina
12	Isaac Grady	48	Head	Laborer	North Carolina
13	John W Smith	39	Head	Laborer	Alabama
14	Hallie Smith	32	Wife	—	Alabama
15	Clifford Smith	5	Son	—	Alabama
16	Judith Purdie	59	Head	—	North Carolina
17	Amos Coleman	54	Head	Farmer	North Carolina
18	Isamael Coleman	17	Daughter	—	Florida
19	Fannie Coleman	16	Daughter	—	Florida
20	Beatris Coleman	9	Daughter	—	Florida
21	Arthur Coleman	2	Son	—	Florida
22	Richard Duke	24	Head	Laborer	Florida
23	Edna Duke	21	Wife	—	Florida
24	Theado Duke	6	Son	—	Florida
25	Ulasmae Duke	3	Daughter	—	Florida
26	Mary Duke THIS PERSON	0	Daughter	—	Florida
27	Ethel Wright	43	Head	Laborer	Florida
28	Lila Wright	22	Wife	—	Florida
29	Ivonnie Wright	2	Son	—	Florida
30	Joseph Johnson	28	Head	Laborer	Georgia
31	Soda Johnson	24	Wife	—	Georgia
32	Joseph Jr Johnson	4	Son	—	Florida
33	Jake Breckin	33	Head	Laborer	Alabama
34	Alma Breckin	30	Wife	—	Alabama
35	Midford Breckin	9	Son	—	Alabama
36	Hazel Breckin	7	Daughter	—	Alabama
37	Thomas E Connell	50	Head	Laborer	Georgia
38	Maggie Connell	48	Wife	—	Georgia
39	Palmer Connell	14	Son	—	Georgia
40	Iera Connell	13	Daughter	—	Georgia
41	Ernest Connell	12	Son	—	Georgia
42	Roy Connell	7	Son	—	Georgia
43	Idy Connell	3	Daughter	—	Georgia
44	Tom George	60	Head	Farmer	North Carolina
45	Mary George	55	Wife	—	North Carolina
46	Frank M Thomas	39	Head	Farmer	Illinois
47	Lela Thomas	32	Wife	—	Illinois
48	Geo H Brakman	51	Head	Agent	Georgia
49	Cary Brakman	45	Wife	—	Georgia
50	Ivan Brakman	16	Son	Messenger	Florida

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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