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Mary Kirby — 1920 US Census Record

Model Tree available

1920 United States Federal Census · New York, New York

Our Model Tree links this Mary Kirby across the 1900, 1910 and 1920 US Censuses in New York, New York (XGBoost, ~Confirmed), with identified parents Peter & Josephine — first a daughter (b.~1897), then head of a 10-person household.

Age 23 b. ~1897 Female Daughter Born: New York Single

1920 Census Record Details

Census Year1920
LocationNew York, New York
SurnameKirby
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age23
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceNew York
Mother's BirthplaceNew York
Additional Details
OccupationClerk
IndustryPost Office
Class of WorkerW
Can ReadYes
Can WriteYes
Speaks EnglishYes
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationClerk
Township / WardNew York City
Est. Birth Year~1897

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 1920 census.

Name Relation to head Relative to Mary Age Birth yr
Florence Kirby Daughter — 10 ~1910
Alice Kirby Daughter — 20 ~1900
Joseph Kirby Son — 16 ~1904
Peter Kirby Head — 50 ~1870
Catherine Kirby Daughter — 8 ~1912
Margaret Kirby Daughter — 25 ~1895
Anastasia Kirby Daughter — 18 ~1902
Ruth Kirby Daughter — 5 ~1915
Mary Kirby Daughter — 23 ~1897
Mary Kirby Spouse — 48 ~1872

Census Appearances

1900
New York, …
Daughter, age 3
New York, New York · implied b. ~1897 — 2 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Kirby
Given Name Mabel
Relationship to Head Daughter
Sex F
Color / Race White
Age 3
Marital Status Single
Birthplace New York
Birth Month Feb
Birth Year 1897
Father's Birthplace New York
Mother's Birthplace New York
Can Read No
Can Write No
Speaks English No
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1910
New York, …
Daughter, age 12
New York, New York · implied b. ~1898 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Kirby
Given Name Mabel
Relationship to Head daughter
Sex F
Color / Race White
Age 12
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation none
Can Read Yes
Can Write Yes
Speaks English English
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1920
New York, …
Daughter, age 23
New York, New York · implied b. ~1897 — 10 household members
Surname Kirby
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 23
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation Clerk
Industry Post Office
Class of Worker W
Can Read Yes
Can Write Yes
Speaks English Yes
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 Kirby across 3 US Census years (1900, 1910 and 1920) in New York, New York, using XGBoost record linkage. Identified parents: father Peter Kirby (~0.92 confidence) and mother Josephine Kirby (~0.92 confidence) and mother Mary Kirby (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
Peter Kirby
b. ~1870
Source father
● Household · direct · ~0.92
Mother
Josephine Kirby
b. ~1872
Source mother
● Household · direct · ~0.92
Mother
Mary Kirby
b. ~1872
Source mother
● Household · direct · ~0.92
This person
Anchor record
Mary Kirby
Daughter · 1920 · age 23 · b. ~1897 · New York
★ You are viewing this record
Sibling
Anastasia Kirby
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Kirby
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Kirby
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Kirby
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Kirby
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Kirby
Sibling · 1920 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Kirby
Sibling · 1920 · age 8
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

1920 US Federal Census — New York, New York Open full size

Page Contents

50 people indexed on this census page (ia:1920:14thcensusofpopu1206unit:0248)

Line Name Age Relation Occupation Birthplace
51 Sarah Phillips 51 Head Dress Work New York
52 Amelia Phillips 23 Daughter Saleslady New York
53 Hannah Phillips 20 Daughter Telephone New York
54 Morris Phillips 17 Son Collector New York
55 Ernest Roerock 41 Boarder Electrician Germany
56 John Clonell 50 Head Water Department Ireland
57 Hannah Clonell 45 Wife Laundress New York
58 Margaret Clonell 18 Daughter Inspector New York
59 Joseph Clonell 13 Son House Work New York
60 John O'Connor 53 Head Harbor Master New York
61 Gertrude O'Connor 50 Wife Forewoman New York
62 Madeline O'Connor 25 Daughter House Wife New York
63 James Kelly 27 Head Stenographer New York
64 Hugh Kelly 30 Head Book Keeper New York
65 Mary Kelly 25 Wife Chauffeur New York
66 Catherine Kelly 7 Daughter House Wife New York
67 Hugh Kelly 3 Son — New York
68 Rose Kelly 1 Daughter — New York
69 Peter Kirby 50 Head Brick Layer New York
70 Mary Kirby 48 Wife House Wife New York
71 Margaret Kirby 25 Daughter Tel Operator New York
72 Mary Kirby THIS PERSON 23 Daughter Clerk New York
73 Alice Kirby 20 Daughter Stenographer New York
74 Anastasia Kirby 18 Daughter Clerk New York
75 Joseph Kirby 16 Son Messenger New York
76 Florence Kirby 10 Daughter — New York
77 Catherine Kirby 8 Daughter — New York
78 Ruth Kirby 5 Daughter — New York
79 James Walsh 50 Head Gas Works New York
80 Mary Walsh 51 Wife House Wife New York
81 Dorothea Walsh 11 Daughter — New York
82 Clara Kearney 25 Daughter Clerk New York
83 Catherine Kelly 32 Head House Work New York
84 Mary Woods 12 Niece — New York
85 Joseph Blaine 26 Boarder Chauffeur New York
86 Arthur Tanton 32 Head Laborer England
87 Anna Tanton 28 Wife House Wife England
88 Anna Tanton 7 Daughter — New York
89 Michael Fenton 34 Boarder Laborer Ireland
90 Andrew Dubaly 44 Head Street Cleaning Austria
91 Anna Dubaly 40 Wife Dish Washer Russia
92 Andrew Dubaly 15 Son — New York
93 Agnes Dubaly 12 Daughter — New York
94 Edward Collins 62 Head Oiler Ireland
95 Catherine Collins 50 Wife House Keeper Ireland
96 Edward J Collins 19 Son Auto Business New York
97 Joseph F O'Donnell 44 Head Engineer Ireland
98 Mary O'Donnell 46 Wife House Wife Ireland
99 Catherine O'Donnell 20 Daughter Operator New York
100 Joseph A O'Donnell 18 Son Clerk New York

Search for Mary Kirby

All Mary Kirby Census Records Discover Kirby Family Tree

Pedigree Summary

Mary + 7 siblings
Gen 1 · 3 parents ~0.92
Max depth 4 (1900–1950 window)

About This Record & Model Tree

This record was independently indexed by YourRoots from the 1920 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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