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Florence Sullivan — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Nassau, New York

Our Model Tree links this Florence Sullivan across the 1920 and 1930 US Censuses in Nassau, New York (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 8-person household.

Age 12 b. ~1918 Female Daughter Born: New York Single

1930 Census Record Details

Census Year	1930
Location	Nassau, New York
Surname	Sullivan
Given Name	Florence
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	12
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Additional Details
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	Port Washington Part
Est. Birth Year	~1918

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.

8 people recorded at the same address in the 1930 census.

Name	Relation to head	Relative to Florence	Age	Birth yr
Maud Sullivan	Daughter	—	5	~1925
Theresa Sullivan	Spouse	—	41	~1889
Mortimer Sullivan	Son	—	14	~1916
Frank Sullivan	Head	—	48	~1882
Florence Sullivan	Daughter	—	12	~1918
Madeline Sullivan	Daughter	—	10	~1920
Theresa Sullivan	Daughter	—	17	~1913
Lucy Sullivan	Daughter	—	18	~1912

Census Appearances

1920

Nassau, New …

Daughter, age 2

Nassau, New York · implied b. ~1918 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Sullivan
Given Name	Florence
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	2
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Nassau, New …

Daughter, age 12

Nassau, New York · implied b. ~1918 — 8 household members

Surname	Sullivan
Given Name	Florence
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	12
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links Florence Sullivan across 2 US Census years (1920 and 1930) in Nassau, New York, using XGBoost record linkage.

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This person

Anchor record

Florence Sullivan

Daughter · 1930 · age 12 · b. ~1918 · New York

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Sibling

Lucy Sullivan

Sibling · 1930 · age 18

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Madeline Sullivan

Sibling · 1930 · age 10

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Mortimer Sullivan

Sibling · 1930 · age 14

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Maud Sullivan

Sibling · 1930 · age 5

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Theresa Sullivan

Sibling · 1930 · age 17

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 — Nassau, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1461:0860)

Line	Name	Age	Relation	Occupation	Birthplace
1	John E Coles	46	Head	Blacksmith	New York
2	Cornelia Coles	41	Wife	None	New York
3	Ida L Coles	18	Daughter	—	New York
4	Alice M Coles	8	Daughter	—	New York
5	Frank Forte	23	Head	Laborer	New York
6	Mary A Forte	20	Wife	None	New York
7	Walter Forte	1	Son	—	New York
8	Michael J Conway	51	Head	Watchman	Ireland
9	Margaret Conway	49	Wife	None	Ireland
10	Bernard Eberson	35	Boarder	Carpenter	Sweden
11	James Ryan	31	Boarder	Carpenter	Ireland
12	Frank Sullivan	48	Head	Electrician	New York
13	Theresa Sullivan	41	Wife	None	New York
14	Lucy Sullivan	18	Daughter	Nursemaid	New York
15	Theresa Sullivan	17	Daughter	—	New York
16	Mortimer Sullivan	14	Son	—	New York
17	Florence Sullivan THIS PERSON	12	Daughter	—	New York
18	Madeline Sullivan	10	Daughter	—	New York
19	Maud Sullivan	5	Daughter	—	New York
20	Edward Paulson	60	Head	Laborer	Norway
21	Marie Paulson	49	Wife	None	Sweden
22	Marie E Paulson	21	Daughter	Telephone Operator	New York
23	Magnus Mickelson	26	Boarder	Carpenter	Norway
24	William H Chmidt	57	Head	Butcher	New York
25	Anna U Chmidt	52	Wife	None	New York
26	Helen Chmidt	30	Daughter	Secretary	New York
27	William H Jr Chmidt	23	Son	Salesman	New York
28	John H Chmidt	20	Son	Electrician	New York
29	Stephen E Brown	69	Head	Plumbing Eng.	New York
30	Leo Brown	30	Son	Agent	New York
31	Olive Brown	26	Wife	None	New York
32	Muriel Brown	3	Daughter	—	New York
33	Leona Brown	1	Daughter	—	New York
34	Peter Clark	57	Boarder	—	Scotland
35	Mary E Lynch	48	Head	—	Ireland
36	Helen Lynch	24	Daughter	Telephone Operator	New York
37	William Day	34	Head	Engineer	New York
38	Mary Day	22	Wife	None	New York
39	Elmer Brown	41	Boarder	Dispatcher	New York
40	Philip L Tomlet	38	Head	Gardener	Massachusetts
41	Kandi Tomlet	37	Wife	None	Norway
42	Philip Tomlet	12	Son	—	New York
43	Barbara Tomlet	11	Daughter	—	New York
44	Emma Tomlet	6	Daughter	—	New York
45	Benedict Michalsen	30	Boarder	Work Hand	Norway
46	Peter Petersen	28	Boarder	Laborer	Norway
47	Erich Jensen	22	Boarder	Carpenter	Norway
48	Philip S Jr Brown	34	Head	Teacher	New York
49	Mildred Brown	28	Wife	None	Pennsylvania
50	Nicholas Volpa	33	Boarder	Laborer	Italy

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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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