Mary Farrell — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Kings, New York

Our Model Tree links this Mary Farrell across the 1920, 1930 and 1940 US Censuses in Kings, New York (XGBoost, ~Confirmed) — first a spouse (b.~1875), then head of a 4-person household.

Age 55 b. ~1875 Female Spouse Born: Brooklyn Married

1930 Census Record Details

Census Year	1930
Location	Kings, New York
Surname	Farrell
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	55
Marital Status	Married
Birthplace	Brooklyn
Age at First Marriage	19
Father's Birthplace	New York
Mother's Birthplace	Ireland
Additional Details
Occupation	Housewife
Can Read/Write	Yes
Birthplace (normalized)	brooklyn
Occupation	Housewife
Township / Ward	Brooklyn Bor
Est. Birth Year	~1875

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Catherine Farrell	Daughter	—	26	~1904
Joseph Farrell	Head	—	62	~1868
John Bartick	Other	—	49	~1881
Mary Farrell	Spouse	—	55	~1875

Census Appearances

1920

Kings, New …

Spouse, age 50

Kings, New York · implied b. ~1870 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Farrell
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Brooklyn
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birthplace (normalized)	brooklyn

1930

Kings, New …

Spouse, age 55

Kings, New York · implied b. ~1875 — 4 household members

Surname	Farrell
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	55
Marital Status	Married
Birthplace	Brooklyn
Age at First Marriage	19
Father's Birthplace	New York
Mother's Birthplace	Ireland
Occupation	Housewife
Can Read/Write	Yes
Birthplace (normalized)	brooklyn

1940

Kings-County, New …

Head, age 64

Kings-County, New York · implied b. ~1876

● Primary link · ~Confirmed · 1 source

XGBoost

Surname	Farrell
Given Name	Margaret
Relationship to Head	Head
Sex	F
Color / Race	White
Age	64
Marital Status	Single
Birthplace	Brooklyn
1935 Residence (City)	New York City Brooklyn
1935 Residence (County)	Kings
Hours Worked	0
Highest Grade	No 8
1935 Residence	Same place
Birthplace (normalized)	brooklyn

Model Tree

Linked across censuses

Our Model Tree links Mary Farrell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Farrell

Spouse · 1930 · age 55 · b. ~1875 · New York

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

Original Census Page

1930 US Federal Census — Kings, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1495:0465)

Line	Name	Age	Relation	Occupation	Birthplace
1	Frank Oehlmann	38	Head	Motorman	New York
2	Annie Oehlmann	33	Wife	Housewife	England
3	Margaret Oehlmann	7	Daughter	—	New York
4	Richard Schomberg	27	Head	Mechanic	Brooklyn
5	Leona Schomberg	27	Wife	Housewife	Pennsylvania
6	Charles W. Allen	58	Head	Creditman	New York
7	Margaret E. Allen	56	Wife	Housewife	New York
8	John Mcnicholas	33	Head	Chauffeur	New York
9	Mildred Mcnicholas	32	Wife	Housewife	Connecticut
10	Mildred Mcnicholas	5	Daughter	—	Brooklyn
11	Mary Mcnicholas	1	Daughter	—	Brooklyn
12	John Stewart	40	Head	Fire Cutter	Brooklyn
13	Mary Stewart	35	Wife	Housewife	Ireland
14	Margaret Stewart	7	Daughter	—	Brooklyn
15	Catherine Stewart	3	Daughter	—	Brooklyn
16	Arthur Corbett	47	Head	Mechanic	Connecticut
17	Theresa Corbett	44	Wife	Housewife	New York
18	Arthur Jr. Corbett	19	Son	Clerk	Brooklyn
19	James Corbett	17	Son	—	Brooklyn
20	William Corbett	15	Son	School	Brooklyn
21	Virginia Corbett	13	Daughter	—	Brooklyn
22	Velma Corbett	10	Daughter	—	Brooklyn
23	Robert Corbett	5	Son	—	Brooklyn
24	Raymond Corbett	4	Son	—	Brooklyn
25	Richard Corbett	1	Son	—	Brooklyn
26	Joseph Farrell	62	Head	Machinist	New York
27	Mary Farrell THIS PERSON	55	Wife	Housewife	Brooklyn
28	Catherine Farrell	26	Daughter	Stenographer	Brooklyn
29	John Bartick	49	Boarder	Rubber Stamper	Brooklyn
30	Robert Meis	34	Head	Electrician	Brooklyn
31	Elizabeth Meis	32	Wife	Housewife	Brooklyn
32	Bernard Meis	5	Son	—	Brooklyn
33	Henry Harms	62	Head	Bank Clerk	Germany
34	Mary Harms	52	Wife	Housewife	Ireland
35	Nicholas Harms	23	Son	Insurance	New York
36	John Harms	21	Son	Bank Clerk	New York
37	Amelia Sophia Harms	17	Daughter	—	New York
38	Harry Lavender	45	Head	Bldg Supt	New York
39	Mabel Lavender	47	Wife	Housewife	Brooklyn
40	Harold Lavender	25	Son	Electrician	Brooklyn
41	Robert Mabel Lavender	20	Daughter	Stenographer	Brooklyn
42	George Lynch	36	Brother-in-law	Painter-Interior	Brooklyn
43	Mary Heffernan	52	Head	Cook	England
44	William Heffernan	32	Son	—	Brooklyn
45	Margaret Heffernan	30	Daughter	Operator Telephone	Brooklyn
46	Mildred Heffernan	19	Daughter	Stenographer	Brooklyn
47	James Riley	5	Grandson	—	Brooklyn
48	Margaret Shink	76	Mother	Housewife	Ireland
49	Patrick Maloney	20	Lodger	Helper	Ireland
50	James Maloney	22	Lodger	Manager	Ireland

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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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