Mary Costello — 1910 US Census Record

Linked across censuses

1910 United States Federal Census · Bergen, New Jersey

Our Model Tree links this Mary Costello across the 1900 and 1910 US Censuses in Bergen, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1866), then head of a 10-person household.

Age 44 b. ~1866 Female Spouse Born: New York Married

1910 Census Record Details

Census Year	1910
Location	Bergen, New Jersey
Surname	Costello
Given Name	Mary A
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	New York
Years Married	23
Children Born	8
Children Living	8
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Additional Details
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	Englewood City
Est. Birth Year	~1866

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.

10 people recorded at the same address in the 1910 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Helen Costello	Daughter	—	9	~1901
Mary Costello	Daughter	—	21	~1889
Isabelle Costello	Daughter	—	7	~1903
Catherine Costello	Daughter	—	18	~1892
Mathias Costello	Head	—	51	~1859
Thomas Costello	Son	—	20	~1890
John Costello	Son	—	16	~1894
Mathias Costello	Son	—	13	~1897
Edmund Costello	Son	—	11	~1899
Mary Costello	Spouse	—	44	~1866

Census Appearances

1900

Bergen, New …

Spouse, age 34

Bergen, New Jersey · implied b. ~1866 — 9 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Costello
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	34
Marital Status	Married
Birthplace	New York
Birth Month	Jan
Birth Year	1866
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1910

Bergen, New …

Spouse, age 44

Bergen, New Jersey · implied b. ~1866 — 10 household members

Surname	Costello
Given Name	Mary A
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	New York
Years Married	23
Children Born	8
Children Living	8
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links Mary Costello across 2 US Census years (1900 and 1910) in Bergen, New Jersey, using XGBoost record linkage.

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This person

Anchor record

Mary Costello

Spouse · 1910 · age 44 · b. ~1866 · New Jersey

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

Original Census Page

1910 US Federal Census — Bergen, New Jersey Open full size

Page Contents

50 people indexed on this census page (ia:1910:13thcensus1910po868unit:0626)

Line	Name	Age	Relation	Occupation	Birthplace
1	Matilda H Hawkes	33	Wife	—	New York
2	Beatrice Hawkes	17	Daughter	Office Boy	New Jersey
3	Hazel L Hawkes	13	Daughter	—	New Jersey
4	Raymond L Hawkes	6	Son	—	New Jersey
5	Nathan M Jr Barrett	21	Head	Salesman	New Jersey
6	Celia Barrett	20	Wife	—	New York
7	Charles F Rossell	35	Head	Assistant Decorator	New Jersey
8	Josephine Rossell	34	Wife	—	North Carolina
9	Winifred L Rossell	5	Daughter	—	New Jersey
10	Gerrit B Allison	35	Head	Teller	New Jersey
11	Mary Allison	22	Wife	—	New Jersey
12	Edna M Allison	1	Daughter	—	New Jersey
13	Charles B Racey	32	Head	Drug	New York
14	Esther L Racey	27	Wife	—	New York
15	Mathias A Costello	51	Head	Smith	Ireland
16	Mary A Costello THIS PERSON	44	Wife	—	New York
17	Mary A Costello	21	Daughter	Telephone	New York
18	Thomas L Costello	20	Son	Driver	New York
19	Catherine A Costello	18	Daughter	—	New Jersey
20	John M Costello	16	Son	—	New Jersey
21	Mathias A Jr Costello	13	Son	—	New Jersey
22	Edmund L Costello	11	Son	—	New Jersey
23	Helen Costello	9	Daughter	—	New Jersey
24	Isabelle Costello	7	Daughter	—	New Jersey
25	Nathan M Barrett	55	Head	Buyer	Maine
26	Jennie S Barrett	55	Wife	—	Connecticut
27	Elizabeth Barrett	34	Daughter	—	New Jersey
28	Nathan F Barrett	16	Grandson	—	New Jersey
29	Irving H Rowland	29	Head	Assistant	New York
30	Elenor F Rowland	29	Wife	—	New York
31	Helen Rowland	3	Daughter	—	New York
32	Irving H Jr Rowland	1	Son	—	New Jersey
33	Sarah V Datt	51	Mother	—	New York
34	Frederick A Schwan	78	Head	—	Germany
35	Martha Schwan	72	Wife	—	Sweden
36	Alfred Schwan	40	Son	Clerk	New Jersey
37	Martha E Schwan	35	Daughter	Dressmaker	New York
38	Agusta M Schwan	30	Daughter	Drug	New York
39	Jacob G Fireman	55	Head	—	New York
40	Mary E Fireman	50	Wife	—	New Jersey
41	Frederick T Fireman	21	Son	—	New Jersey
42	Francis E Fireman	17	Daughter	—	New Jersey
43	Charles F Fireman	15	Son	—	New Jersey
44	Joseph M Kelley	50	Head	Painter	Ireland
45	Mary Kelley	39	Wife	—	Ireland
46	Gladstone Kelley	11	Son	—	New Jersey
47	Alexander Bell	50	Head	Plater	New Jersey
48	Alice I Bell	11	Daughter	—	New York
49	Ruby A Bell	7	Daughter	—	New Jersey
50	James Jackson	35	Head	Coachman	New Jersey

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1910 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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