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Mary Lennon — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · New York, New York

Our Model Tree links this Mary Lennon across the 1920 and 1930 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 7-person household.

Age 50 b. ~1880 Female Spouse Born: Ireland Married

1930 Census Record Details

Census Year1930
LocationNew York, New York
SurnameLennon
Given NameMary
Relationship to HeadWife
SexF
Color / RaceWhite
Age50
Marital StatusMarried
BirthplaceIreland
Naturalization StatusNaturalized
Year of Immigration1905
Age at First Marriage22
Father's BirthplaceIreland
Mother's BirthplaceIreland
Additional Details
OccupationLabourer
IndustryBuilding
Class of WorkerW
Can Read/WriteYes
Mother TongueEnglish
VeteranNo
Birth CountryIreland
Birthplace (normalized)ireland
OccupationLabourer
Township / WardManhattan Bor
Est. Birth Year~1880

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.

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

Name Relation to head Relative to Mary Age Birth yr
Mary Lennon Spouse — 50 ~1880
William Lennon Son — 22 ~1908
William Lennon Head — 44 ~1886
Michael O'Connell Other — 26 ~1904
John Lennon Son — 25 ~1905
Thomas Lennon Son — 20 ~1910
Philip Lennon Son — 24 ~1906

Census Appearances

1920
New York, …
Spouse, age 40
New York, New York · implied b. ~1880 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Lennon
Given Name Mary
Relationship to Head Wife
Sex F
Color / Race White
Age 40
Marital Status Married
Birthplace Ireland
Father's Birthplace Ireland
Mother's Birthplace Ireland
Can Read Yes
Can Write Yes
Speaks English Yes
Mother Tongue English
Birth Country Ireland
Birthplace (normalized) ireland
1930
New York, …
Spouse, age 50
New York, New York · implied b. ~1880 — 7 household members
Surname Lennon
Given Name Mary
Relationship to Head Wife
Sex F
Color / Race White
Age 50
Marital Status Married
Birthplace Ireland
Naturalization Status Naturalized
Year of Immigration 1905
Age at First Marriage 22
Father's Birthplace Ireland
Mother's Birthplace Ireland
Occupation Labourer
Industry Building
Class of Worker W
Can Read/Write Yes
Mother Tongue English
Veteran No
Birth Country Ireland
Birthplace (normalized) ireland

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Linked across censuses
Our Model Tree links Mary Lennon across 2 US Census years (1920 and 1930) in New York, New York, using XGBoost record linkage.
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This person
Anchor record
Mary Lennon
Spouse · 1930 · age 50 · b. ~1880 · 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 — New York, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1572:0152)

Line Name Age Relation Occupation Birthplace
51 Kathleen Gagher 22 Boarder — Ireland
52 James Oliveri 57 Head Operator Italy
53 Pauline Oliveri 58 Wife Carpenter Italy
54 Anna Oliveri 22 Daughter — New York
55 Dominick Oliveri 20 Son Millinery New York
56 Salvatore Salvio 29 Head Upholsterer South America
57 Catherine Salvio 24 Wife Dental Mech New York
58 Gerard Salvio 3 Son — New York
59 Corinne Salvio 2 Daughter — New York
60 Salvatore Oliveri 28 Head — Italy
61 Jennie Oliveri 28 Wife Chauffeur New York
62 Jerome Oliveri 6 Son Operator New York
63 Alfred Oliveri 2 Son — New York
64 William Lennon 44 Head — Ireland
65 Mary Lennon THIS PERSON 50 Wife Labourer Ireland
66 John Lennon 25 Son — New York
67 Philip Lennon 24 Son Clerk New York
68 William Lennon 22 Son Operator New York
69 Thomas Lennon 20 Son Bookkeeper New York
70 Michael O'Connell 26 Boarder Chauffeur Ireland
71 John Di Gregorio 48 Head Laborer Italy
72 Augusta Di Gregorio 40 Wife Operator New York
73 Pasquale D'Ambrosio 54 Head — Italy
74 Grace D'Ambrosio 46 Wife Sweeper Italy
75 Nicholas D'Ambrosio 23 Son — New York
76 Anthony D'Ambrosio 20 Son Operator New York
77 Joseph D'Ambrosio 18 Son Baker New York
78 Catherine D'Ambrosio 16 Daughter Operator New York
79 Louis D'Ambrosio 13 Son Operator New York
80 Angelina D'Ambrosio 14 Daughter — New York
81 Rocco D'Ambrosio 10 Son — New York
82 Mary D'Ambrosio 8 Daughter — New York
83 Mary D'Ambrosio 20 Daughter — New York
84 Grace D'Ambrosio 2 Daughter — New York
85 Frank Landolfi 48 Head — Italy
86 Frances Landolfi 41 Wife Tailor Italy
87 Isabella Landolfi 19 Daughter — New York
88 Anthony Landolfi 18 Son Millinery New York
89 Josephine Landolfi 17 Daughter Clerk New York
90 Filomena Landolfi 15 Daughter Operator New York
91 Bessie Landolfi 11 Daughter — New York
92 Mary Landolfi 9 Daughter — New York
93 Helen Landolfi 4 Daughter — New York
94 Mary Mattiace 65 Mother-in-law — Italy
95 John Trentacosta 55 Head — Italy
96 Jennie Trentacosta 41 Wife — Italy
97 Marie Trentacosta 17 Daughter Operator New York
98 John Scalera 24 Head — New York
99 Mary Scalera 22 Wife Chauffeur New York
100 John Scalera 1 Son — New York

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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