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Mary Leonard — 1930 US Census Record

Model Tree available

1930 United States Federal Census · Morris, New Jersey

Our Model Tree links this Mary Leonard across the 1910, 1920 and 1930 US Censuses in Morris, New Jersey (XGBoost, ~Confirmed), with identified parents Antonio & Maggie — first a daughter (b.~1905), then head of a 7-person household.

Age 25 b. ~1905 Female Daughter Born: New Jersey Single

1930 Census Record Details

Census Year1930
LocationMorris, New Jersey
SurnameLeonard
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age25
Marital StatusSingle
BirthplaceNew Jersey
Father's BirthplaceItaly
Mother's BirthplaceItaly
Additional Details
OccupationClerk
IndustryBank
Class of WorkerW
Can Read/WriteYes
Birth StateNew Jersey
Birth CountryUnited States
Birthplace (normalized)new jersey
OccupationClerk
Township / WardMorris Township
Est. Birth Year~1905

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
Lydia Leonard Daughter — 22 ~1908
Mary Leonard Daughter — 25 ~1905
Phyllis Leonard Daughter — 17 ~1913
Thomas Leonard Head — 51 ~1879
Joseph Leonard Son — 27 ~1903
Thomas Leonard Son — 19 ~1911
Theresa Leonard Spouse — 47 ~1883

Census Appearances

1910
Morris, New …
Daughter, age 5
Morris, New Jersey · implied b. ~1905 — 12 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Leonard
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 5
Marital Status Single
Birthplace New Jersey
Father's Birthplace Italy
Mother's Birthplace Italy
Birth State New Jersey
Birth Country United States
Birthplace (normalized) new jersey
1920
Morris, New …
Daughter, age 16
Morris, New Jersey · implied b. ~1904 — 9 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Leonard
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 16
Marital Status Single
Birthplace New Jersey
Father's Birthplace Italy
Mother's Birthplace Italy
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State New Jersey
Birth Country United States
Birthplace (normalized) new jersey
1930
Morris, New …
Daughter, age 25
Morris, New Jersey · implied b. ~1905 — 7 household members
Surname Leonard
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 25
Marital Status Single
Birthplace New Jersey
Father's Birthplace Italy
Mother's Birthplace Italy
Occupation Clerk
Industry Bank
Class of Worker W
Can Read/Write Yes
Birth State New Jersey
Birth Country United States
Birthplace (normalized) new jersey

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 Leonard across 3 US Census years (1910, 1920 and 1930) in Morris, New Jersey, using XGBoost record linkage. Identified parents: father Antonio Leonard (~0.92 confidence) and mother Maggie Leonard (~0.92 confidence) and father Attilio Leonard (~0.92 confidence) and father Thomas Leonard (~0.92 confidence) and mother Theresa Leonard (~0.92 confidence) and mother Theresa Leonard (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
Antonio Leonard
b. ~1871
Source father
● Household · direct · ~0.92
Mother
Maggie Leonard
b. ~1873
Source mother
● Household · direct · ~0.92
Father
Attilio Leonard
b. ~1879
Source father
● Household · direct · ~0.92
Father
Thomas Leonard
b. ~1879
Source father
● Household · direct · ~0.92
Mother
Theresa Leonard
b. ~1883
Source mother
● Household · direct · ~0.92
Mother
Theresa Leonard
b. ~1883
Source mother
● Household · direct · ~0.92
This person
Anchor record
Mary Leonard
Daughter · 1930 · age 25 · b. ~1905 · New Jersey
★ You are viewing this record
Sibling
Joseph Leonard
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Leonard
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Leonard
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lydia Leonard
Sibling · 1930 · age 22
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 — Morris, New Jersey Open full size

Page Contents

50 people indexed on this census page (ia:1930:newjerseycensus00reel1374:0074)

Line Name Age Relation Occupation Birthplace
51 Barbara A Richards 1 Daughter — New Jersey
52 William J Richards 27 Head — New Jersey
53 Mary Richards 27 Wife — New York
54 Raymond S 31 Boarder Manager New York
55 James Gordon 39 Boarder Teacher New York
56 Thomas Leonard 51 Head — Italy
57 Theresa Leonard 47 Wife — Italy
58 Joseph Leonard 27 Son Clerk New Jersey
59 Mary Leonard THIS PERSON 25 Daughter Clerk New Jersey
60 Lydia Leonard 22 Daughter Clerk New Jersey
61 Thomas Jr Leonard 19 Son — New Jersey
62 Phyllis Leonard 17 Daughter — New Jersey
63 Anthony Dickerson 28 Head — New Jersey
64 Alice M Dickerson 31 Wife Driver New Jersey
65 Alice G Dickerson 5 Daughter — New Jersey
66 James Regan 58 Head — New Jersey
67 Agnes Regan 58 Wife — Pennsylvania
68 James Jr Regan 20 Son — New Jersey
69 Jean Regan 18 Daughter — New Jersey
70 Agnes M Regan 16 Daughter — New Jersey
71 James Dugan 41 Head — New Jersey
72 Agnes Dugan 41 Wife — New York
73 Helen Dugan 15 Daughter — New Jersey
74 James Jr Dugan 13 Son — New Jersey
75 John Dugan 11 Son — New Jersey
76 Robert Dugan 8 Son — New Jersey
77 Joseph B Card 45 Head Salesman New York
78 Josephine Card 40 Wife — New Jersey
79 Marguerite G Card 18 Daughter — New Jersey
80 John Card 16 Son — New Jersey
81 Joseph Jr Card 13 Son — New Jersey
82 Alice M Card 11 Daughter — New Jersey
83 Robert M Card 8 Son — New Jersey
84 James Card 6 Son — New Jersey
85 Thomas Card 4 Son — New Jersey
86 Mary Card 2 Daughter — New Jersey
87 Anne Card 0 Daughter — New Jersey
88 Augusta A Cunningham 69 Head — New Jersey
89 Grace Cunningham 34 Daughter — New Jersey
90 Florence Cunningham 31 Daughter — New Jersey
91 James Cunningham 28 Son — New Jersey
92 Louis Rauch 45 Head — New York
93 Mary Rauch 44 Wife — New York
94 Mary Rauch 17 Daughter — New York
95 Charles Rauch 11 Son — New York
96 Robert Rauch 7 Son — New York
97 William Thompson 50 Head — New York
98 Edith Thompson 52 Wife — New York
99 William Jr Thompson 18 Son — New York
100 Edith Thompson 16 Daughter — New York

Search for Mary Leonard

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Pedigree Summary

Mary + 4 siblings
Gen 1 · 6 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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