Mary Foster — 1900 US Census Record

Linked across censuses

1900 United States Federal Census · Kings, New York

Our Model Tree links this Mary Foster across the 1900, 1910 and 1920 US Censuses in Kings, New York (XGBoost, ~Confirmed) — first a head (b.~1848), then head of a 3-person household.

Age 52 b. ~1848 Female Head Born: Ireland Widowed

1900 Census Record Details

Census Year	1900
Location	Kings, New York
Surname	Foster
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	51
Marital Status	Widowed
Birthplace	Ireland
Birth Month	June
Birth Year	1848
Year of Immigration	1860
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Additional Details
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth Country	Ireland
Birthplace (normalized)	ireland
Township / Ward	City Of New York Borough Of Brooklyn
Est. Birth Year	~1848

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 1900 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Jennie Foster	Daughter	—	34	~1866
Mary Foster	Head	—	52	~1848
Michael Foster	Son	—	27	~1873

Census Appearances

1900

Kings, New …

Head, age 52

Kings, New York · implied b. ~1848 — 3 household members

Surname	Foster
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	51
Marital Status	Widowed
Birthplace	Ireland
Birth Month	June
Birth Year	1848
Year of Immigration	1860
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth Country	Ireland
Birthplace (normalized)	ireland

1910

Kings, New …

Other, age 60

Kings, New York · implied b. ~1850 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Foster
Given Name	Margaret
Relationship to Head	Mother-in-law
Sex	F
Color / Race	White
Age	60
Marital Status	Widowed
Birthplace	Ireland
Children Born	1
Children Living	1
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Birth Country	Ireland
Birthplace (normalized)	ireland

1920

New York, …

Other, age 70

New York, New York · implied b. ~1850 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Foster
Given Name	Mary S
Relationship to Head	Mother
Sex	F
Color / Race	White
Age	70
Marital Status	Widowed
Birthplace	Ireland
Year of Immigration	1855
Naturalization Status	Naturalized
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	Ireland
Year of Naturalization	1876
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

Our Model Tree links Mary Foster across 3 US Census years (1900, 1910 and 1920) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Foster

Head · 1900 · age 52 · b. ~1848 · New York

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1900 US Federal Census — Kings, New York Open full size

Page Contents

50 people indexed on this census page (ia:1900:12thcensusofpopu1044unit:0584)

Line	Name	Age	Relation	Occupation	Birthplace
1	Arthur Arnold	22	Boarder	Clerk Broker	England
2	Alfred Crane	28	Boarder	Poultry Clerk	England
3	James Hayden	56	Head	Day Labor	Ireland
4	Ellen Hayden	39	Wife	—	Ireland
5	Kate Hayden	21	Daughter	Bind Butter	Ireland
6	Maggie Hayden	23	Daughter	Bind Butter	Ireland
7	Luke Hayden	18	Son	Electrician	Ireland
8	Minnie Hayden	16	Daughter	Servant	Ireland
9	John R. Hayden	14	Son	At School	Ireland
10	Frederick Miller	24	Head	Clerk Grocer	New York
11	Fannie Miller	25	Wife	—	New York
12	Vincent Kootschi	38	Head	Pattern Maker	Germany
13	Dora Kootschi	27	Wife	—	Germany
14	John Obrien	45	Head	Cigar Maker	Massachusetts
15	Julia Obrien	24	Sister	Compositor	Massachusetts
16	Mary Obrien	65	Mother	—	Ireland
17	Martin Bergen	31	Head	Electrician	New Jersey
18	Lena Bergen	27	Wife	—	New York
19	John Bergen	3	Son	—	New York
20	Julia Bergen	2	Daughter	—	New York
21	Gertrude Hellen	13	Niece	At School	New York
22	James Crosby	33	Head	Painter	New York
23	Kate Crosby	32	Wife	—	New York
24	William Crosby	3	Son	—	New York
25	Gertrude Crosby	2	Daughter	—	New York
26	Samuel Crosby	22	Brother	Pressman Printing	New York
27	Mary Foster THIS PERSON	51	Head	—	Ireland
28	Jennie Foster	34	Daughter	Type Writer	New York
29	Michael Foster	26	Son	Day Labor	New York
30	James Seeley	39	Head	Salesman Produce	New York
31	Nellie Seeley	39	Wife	—	New York
32	James Seeley	11	Son	At School	New York
33	Mabel Seeley	9	Daughter	At School	New York
34	Elsie Seeley	7	Daughter	—	New York
35	William Seeley	5	Son	—	New York
36	Beatrice Seeley	2	Daughter	—	New York
37	Thomas Green	63	Head	—	England
38	Catherine Green	58	Wife	—	Ireland
39	Thomas J. Green	25	Son	Telegraph Operator	Massachusetts
40	William Grant	40	Head	Steward On Steam	New York
41	Nellie Grant	34	Wife	—	Massachusetts
42	Harry A. Grant	14	Son	At School	New York
43	Alexander Vance	39	Head	Minister	Ohio
44	Nancy Crichton	24	Wife	Servant	Virginia
45	John Meehan	41	Head	Watchman	Ireland
46	Mary Meehan	40	Wife	—	England
47	Mammie Meehan	14	Daughter	At School	New York
48	Frank Meehan	10	Son	At School	New York
49	William Meehan	8	Son	—	New York
50	Annie Meehan	4	Daughter	—	New York

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1900 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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