Mary Carney — 1900 US Census Record

Linked across censuses

1900 United States Federal Census · Allegheny, Pennsylvania

Our Model Tree links this Mary Carney across the 1900 and 1910 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1857), then head of a 9-person household.

Age 43 b. ~1857 Female Head Born: Wales Widowed

1900 Census Record Details

Census Year	1900
Location	Allegheny, Pennsylvania
Surname	Carney
Given Name	Mary A
Relationship to Head	Head
Sex	F
Color / Race	White
Age	43
Marital Status	Widowed
Birthplace	Wales
Birth Month	May
Birth Year	1857
Year of Immigration	1882
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Additional Details
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth Country	Wales
Birthplace (normalized)	wales
Township / Ward	Allegheny City
Est. Birth Year	~1857

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.

9 people recorded at the same address in the 1900 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Ann Carney	Daughter	—	9	~1891
Patrick Carney	Son	—	17	~1883
Thomas Carney	Son	—	22	~1878
John Carney	Son	—	11	~1889
Alice Carney	Daughter	—	6	~1894
Daniel Carney	Son	—	3	~1897
Mary Carney	Head	—	43	~1857
Mary Carney	Daughter	—	12	~1888
David Carney	Son	—	15	~1885

Census Appearances

1900

Allegheny, Pennsylvania

Head, age 43

Allegheny, Pennsylvania · implied b. ~1857 — 9 household members

Surname	Carney
Given Name	Mary A
Relationship to Head	Head
Sex	F
Color / Race	White
Age	43
Marital Status	Widowed
Birthplace	Wales
Birth Month	May
Birth Year	1857
Year of Immigration	1882
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth Country	Wales
Birthplace (normalized)	wales

1910

Allegheny, Pennsylvania

Head, age 53

Allegheny, Pennsylvania · implied b. ~1857 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Kearney
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	53
Marital Status	Widowed
Birthplace	Wales
Children Born	8
Children Living	5
Year of Immigration	1875
Father's Birthplace	Wales Irish
Mother's Birthplace	Wales Irish
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	English
Birth Country	Wales
Birthplace (normalized)	wales

Model Tree

Linked across censuses

Our Model Tree links Mary Carney across 2 US Census years (1900 and 1910) in Allegheny, Pennsylvania, using XGBoost record linkage.

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This person

Anchor record

Mary Carney

Head · 1900 · age 43 · b. ~1857 · Pennsylvania

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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 — Allegheny, Pennsylvania Open full size

Page Contents

50 people indexed on this census page (ia:1900:12thcensusofpopu1357unit:0299)

Line	Name	Age	Relation	Occupation	Birthplace
1	Charles Dressel	4	Son	—	Pennsylvania
2	Frederick Marbach	30	Boarder	Day Laborer	Germany
3	Joseph Fleismann	27	Boarder	Machinist	Germany
4	Mary A Carney THIS PERSON	43	Head	—	Wales
5	Thomas Carney	21	Son	Day Laborer	Wales
6	Patrick Carney	16	Son	Riveter Heater	Pennsylvania
7	David Carney	14	Son	Riveter Heater	Pennsylvania
8	Mary E Carney	12	Daughter	At School	Pennsylvania
9	John Carney	10	Son	At School	Pennsylvania
10	Ann Carney	8	Daughter	At School	Pennsylvania
11	Alice Carney	5	Daughter	—	Pennsylvania
12	Daniel Carney	3	Son	—	Pennsylvania
13	Thomas Cramer	35	Head	Motorman	Ireland
14	Bridget Cramer	35	Wife	—	Ireland
15	Mary A Cramer	7	Daughter	At School	Pennsylvania
16	Annie Cramer	5	Daughter	—	Pennsylvania
17	Thomas Jr Cramer	2	Son	—	Pennsylvania
18	Sarah C Cramer	0	Daughter	—	Pennsylvania
19	Ellen Mccafferty	60	Boarder	—	Ireland
20	Joseph Grinne	25	Boarder	Day Laborer	Ohio
21	John Eagan	32	Boarder	Blast Furnace Man	England
22	William Reynolds	33	Boarder	Day Laborer	Connecticut
23	Charles Wolff	36	Head	Salesman	Pennsylvania
24	Kate Wolff	29	Wife	—	Pennsylvania
25	Anna Wolff	10	Daughter	At School	Pennsylvania
26	Pearl Wolff	8	Daughter	—	Pennsylvania
27	Charles Wolff	7	Son	—	Pennsylvania
28	Flora Wolff	5	Daughter	—	Pennsylvania
29	James Quirk	32	Head	Insurance Agt	Pennsylvania
30	Lena Quirk	25	Wife	—	Pennsylvania
31	Lenora Quirk	1	Daughter	—	Pennsylvania
32	Charles Barries	42	Head	Day Laborer	Germany
33	Emma Barries	36	Wife	—	Germany
34	John Barries	14	Son	Riveter Heater	Pennsylvania
35	Charles Barries	9	Son	—	Pennsylvania
36	Henry Barries	7	Son	—	Pennsylvania
37	Emma Barries	5	Daughter	—	Pennsylvania
38	Cellanova Barries	3	Daughter	—	Pennsylvania
39	Thomas Achatz	36	Boarder	Team Driver	Germany
40	Annie Achatz	11	Boarder	—	Pennsylvania
41	Bertha Achatz	9	Boarder	—	Pennsylvania
42	John Bisser	42	Boarder	Day Laborer	Germany
43	Peter Null	30	Boarder	Day Laborer	Germany
44	Andrew Zisako	36	Boarder	Day Laborer	Poland (Russ)
45	Florian Zisako	28	Boarder	Day Laborer	Poland (Russ)
46	Michael Gaplarky	27	Boarder	Day Laborer	Poland (Russ)
47	Malus Schultz	29	Head	Riveter	Poland (Russ)
48	Kate Schultz	21	Wife	—	Poland (Russ)
49	Nellie Schultz	3	Daughter	—	Pennsylvania
50	Barclay Schultz	1	Son	—	Pennsylvania

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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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