YourRoots by Genomelink
Sign up free
MC

Mary Costello — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · New York, New York

Our Model Tree links this Mary Costello across the 1910 and 1920 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a daughter (b.~1902), then head of a 10-person household.

Age 18 b. ~1902 Female Daughter Born: New York Single

1920 Census Record Details

Census Year1920
LocationNew York, New York
SurnameCostello
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age18
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceIreland
Mother's BirthplaceIreland
Additional Details
OccupationBookkeeper
IndustryDry Goods
Class of WorkerW
Can ReadYes
Can WriteYes
Speaks EnglishYes
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationBookkeeper
Township / WardNew York City
Est. Birth Year~1902

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
Julia Costello Daughter — 8 ~1912
Mary Costello Daughter — 18 ~1902
Alice Costello Daughter — 14 ~1906
Michael Costello Head — 46 ~1874
Bridget Murphy Other — 39 ~1881
Joseph Costello Son — 13 ~1907
Francis Costello Son — 6 ~1914
John Costello Son — 16 ~1904
Thomas Costello Son — 10 ~1910
Alice Costello Spouse — 43 ~1877

Census Appearances

1910
New York, …
Daughter, age 7
New York, New York · implied b. ~1903 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Costello
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 7
Marital Status Single
Birthplace New York
Father's Birthplace Ireland
Mother's Birthplace Ireland
Can Read Yes
Can Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1920
New York, …
Daughter, age 18
New York, New York · implied b. ~1902 — 10 household members
Surname Costello
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 18
Marital Status Single
Birthplace New York
Father's Birthplace Ireland
Mother's Birthplace Ireland
Occupation Bookkeeper
Industry Dry Goods
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.
Linked across censuses
Our Model Tree links Mary Costello across 2 US Census years (1910 and 1920) in New York, New York, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Costello
Daughter · 1920 · age 18 · b. ~1902 · New York
★ You are viewing this record
Sibling
Francis Costello
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Costello
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Costello
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Costello
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Costello
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Costello
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

46 people indexed on this census page (ia:1920:14thcensusofpopu1215unit:0455)

Line Name Age Relation Occupation Birthplace
51 Matilda Uhlman 69 Head — Germany
52 David Uhlman 28 Son Salesman New York
53 Eric Uhlman 17 Grand Son Salesman New York
54 Mildred Uhlman 10 Grand Daughter — New York
55 Rose Schwarz 59 Sister — Germany
56 Abraham Schwarz 66 Brother-in-law Salesman Germany
57 John Tripos 27 Boarder Machinist New York
58 Julius Lafalle 45 Head Auto Repair Germany
59 Lottie Lafalle 43 Wife — Germany
60 Sarah Lafalle 18 Daughter Clerk New York
61 Rose Lafalle 17 Daughter Clerk New York
62 Daniel Lafalle 16 Son Packer New York
63 Leo Lafalle 14 Son — New York
64 Henrietta Lafalle 10 Daughter — New York
65 Florence Lafalle 2 Daughter — New York
66 Michael Costello 46 Head Superintendent Ireland
67 Alice Costello 43 Wife — Ireland
68 Mary Costello THIS PERSON 18 Daughter Bookkeeper New York
69 John Costello 16 Son — New York
70 Alice Costello 14 Daughter — New York
71 Joseph Costello 13 Son — New York
72 Thomas Costello 10 Son — New York
73 Julia Costello 8 Daughter — New York
74 Francis Costello 6 Son — New York
75 Bridget Murphy 39 Sister-in-law Dressmaker Ireland
76 Rosa Dusseldorf 53 Head Cigarmaker New York
77 Rose Dusseldorf 38 Wife — New York
78 Rose Dusseldorf 14 Daughter — New York
79 Thomas Dusseldorf 12 Son — New York
80 Charles Dusseldorf 10 Son — New York
81 Anna Dusseldorf 2 Daughter — New York
82 Patrick Delaney 56 Head Blacksmith Ireland
83 Anastasia Delaney 43 Wife — Ireland
84 James Delaney 16 Son — New York
85 Mary Delaney 14 Daughter — New York
86 Anastasia Delaney 12 Daughter — New York
87 Julia Delaney 10 Daughter — New York
88 Joseph Delaney 8 Son — New York
89 Edward Delaney 6 Son — New York
90 John Eberhardt 53 Head Fireman New Jersey
91 Louisa Eberhardt 49 Wife — New York
92 Louisa Eberhardt 12 Daughter — New York
93 Mae Eberhardt 22 Daughter Secretary New York
94 Ernest Eberhardt 20 Son — New York
95 William Fricke 36 Head Butcher New York
96 Bertha Fricke 32 Wife — New York

Search for Mary Costello

All Mary Costello Census Records Discover Costello Family Tree

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)

Report inaccurate data
👤 View Profile 🌳 Ancestors 👥 Descendants