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Mary Kelly — 1930 US Census Record

Model Tree available

1930 United States Federal Census · Kings, New York

Our Model Tree links this Mary Kelly across the 1920, 1930 and 1940 US Censuses in Kings, New York (XGBoost, ~Confirmed), with identified parents John & James — first a daughter (b.~1912), then head of a 9-person household.

Age 18 b. ~1912 Female Daughter Born: New York Single

1930 Census Record Details

Census Year1930
LocationKings, New York
SurnameKelly
Given NameMary M.
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age18
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceNew York
Mother's BirthplaceIrish Free State
Additional Details
OccupationBookkeeper
IndustryInsurance
Class of WorkerW
Can Read/WriteYes
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationBookkeeper
Township / WardBrooklyn Borough Ny City
Est. Birth Year~1912

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 1930 census.

Name Relation to head Relative to Mary Age Birth yr
Anne Kelly Daughter — 14 ~1916
Mary Kelly Daughter — 18 ~1912
Alice Ellys Daughter — 28 ~1902
John Kelly Head — 50 ~1880
Albert Ellys Other — 30 ~1900
Alida Ellys Other — 5 ~1925
Jerome Kelly Son — 16 ~1914
Edward Kelly Son — 20 ~1910
Sarah Kelly Spouse — 52 ~1878

Census Appearances

1920
Kings, New …
Daughter, age 8
Kings, New York · implied b. ~1912 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Kelly
Given Name Mary M.
Relationship to Head Daughter
Sex F
Color / Race White
Age 8
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Speaks English Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1930
Kings, New …
Daughter, age 18
Kings, New York · implied b. ~1912 — 9 household members
Surname Kelly
Given Name Mary M.
Relationship to Head Daughter
Sex F
Color / Race White
Age 18
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace Irish Free State
Occupation Bookkeeper
Industry Insurance
Class of Worker W
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
New-York-County, New …
Head, age 28
New-York-County, New York · implied b. ~1912 — 2 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Kealy
Given Name Mary M.
Relationship to Head Head
Sex F
Color / Race White
Age 28
Marital Status Single
Birthplace New York
1935 Residence (City) New York
1935 Residence (County) New York
Occupation Bookkeeper
Industry Edison Co.
Class of Worker PW
Hours Worked 35
Income (1939) 1400
Highest Grade C 4
1935 Residence Same place
Birth State New York
Birth Country United States
Birthplace (normalized) new york

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.
Model Tree available
Our Model Tree links Mary Kelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Kelly (~0.92 confidence) and father James Kelly (~0.92 confidence) and mother Sarah Kelly (~0.92 confidence) and mother Katherine Kelly (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
John Kelly
b. ~1880
Source father
● Household · direct · ~0.92
Father
James Kelly
b. ~1877
Source father
● Household · direct · ~0.92
Mother
Sarah Kelly
b. ~1878
Source mother
● Household · direct · ~0.92
Mother
Katherine Kelly
b. ~1887
Source mother
● Household · direct · ~0.92
This person
Anchor record
Mary Kelly
Daughter · 1930 · age 18 · b. ~1912 · New York
★ You are viewing this record
Sibling
Jerome Kelly
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Kelly
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Kelly
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Ellys
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
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:newyorkcensus00reel1505:0434)

Line Name Age Relation Occupation Birthplace
1 Wife-H Margrethe 54 Wife — New York
2 Helen Margrethe 31 Daughter Hair Dresser New York
3 Marguerite Margrethe 22 Daughter Secretary New York
4 Daniel Ferry 41 Lodger Chauffeur New York
5 William J. Collins 51 Head Waiter New York
6 Margaretha Collins 55 Sister — New York
7 Thomas O'Harry 24 Nephew — New York
8 John Johnson 65 Head Engineer Sweden
9 Media Johnson 56 Wife — Sweden
10 Emma V. Johnson 22 Daughter Stenographer New York
11 Herbert L. Johnson 19 Son Installing Meters New York
12 James H. Johnson 14 Son Chauffeur New York
13 Gustaf Wade 48 Lodger Captain Sweden
14 Thomas Cotter 38 Head Operator New York
15 Agnes T. Cotter 38 Wife — New York
16 Thomas R. Cotter 17 Son — New York
17 Harold Cotter 16 Son — New York
18 Agnes M. Cotter 12 Daughter — New York
19 Leo Cotter 10 Son — New York
20 George Talbert 12 Head Grinder New York
21 Dora L. Talbert 70 Wife — New York
22 Alice N. Conray 37 Daughter Enumerator New York
23 Joseph G. Conray 15 Grand Son — New York
24 John J. Kelly 50 Head Salesman New York
25 Sarah M. Kelly 52 Wife — Irish Free State
26 Edward Kelly 20 Son Chauffeur New York
27 Mary M. Kelly THIS PERSON 18 Daughter Bookkeeper New York
28 Jerome F. Kelly 16 Son — New York
29 Anne P. Kelly 14 Daughter — New York
30 Alice Ellys 28 Daughter — New York
31 Alida Ellys 5 Grand Daughter — New York
32 Albert Ellys 30 Son in law Patrolman New York
33 John Russell 41 Head Superintendent New York
34 Margarethe Russell 38 Wife — New York
35 John Jr. Russell 21 Son Electrician New York
36 Edward Russell 18 Son Splicer New York
37 Roy Russell 18 Son Runner New York
38 Eleonore Russell 15 Daughter — New York
39 Mary Lynch 68 Head — New York
40 Edward J. Lynch 46 Son Iron Worker New York
41 Daniel J. Lynch 42 Son Iron Worker New York
42 Virginia Mason 20 Grand-daughter Typist New York
43 Dorothy M. Mason 19 Grand-daughter Typist New York
44 Lillian T. Mason 18 Grand-daughter Agent New York
45 Swan R. Larson 50 Head Cabinet Maker Sweden
46 Ellen Larson 42 Wife — Sweden
47 Lillian Larson 17 Daughter Stenographer New York
48 Vincent R. Larson 11 Son — New York
49 Oscar Larson 27 Lodger Artist Sweden
50 Elizabeth Duffey 55 Head — Pennsylvania

Search for Mary Kelly

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Pedigree Summary

Mary + 4 siblings
Gen 1 · 4 parents ~0.92
Max depth 4 (1900–1950 window)

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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