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Mary Dolan — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Erie-County, New York

Our Model Tree links this Mary Dolan across the 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.

Age 14 b. ~1926 Female Daughter Born: New York Single

1940 Census Record Details

Census Year1940
LocationErie-County, New York
SurnameDolan
Given NameMary Agnes
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age14
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)Buffalo city
1935 Residence (County)Erie
Additional Details
Highest GradeH-1
1935 ResidenceSame Place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardBuffalo City
Est. Birth Year~1926

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 1940 census.

Name Relation to head Relative to Mary Age Birth yr
Mary Dolan Daughter — 14 ~1926
William Dolan Son — 20 ~1920
Patricia Dolan Daughter — 11 ~1929
Margaret Dolan Daughter — 13 ~1927
Thomas Dolan Son — 16 ~1924
Peter Dolan Head — 52 ~1888
Gerald Dolan Son — 14 ~1926
Marie Dolan Spouse — 48 ~1892
John Dolan Son — 23 ~1917

Census Appearances

1930
Erie, New …
Daughter, age 4
Erie, New York · implied b. ~1926 — 9 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Dolan
Given Name Mary Agnes
Relationship to Head Daughter
Sex F
Color / Race White
Age 4
Marital Status Single
Birthplace New York
Father's Birthplace Pennsylvania
Mother's Birthplace Ireland Free State
Occupation none
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Erie-County, New …
Daughter, age 14
Erie-County, New York · implied b. ~1926 — 9 household members
Surname Dolan
Given Name Mary Agnes
Relationship to Head Daughter
Sex F
Color / Race White
Age 14
Marital Status Single
Birthplace New York
1935 Residence (City) Buffalo city
1935 Residence (County) Erie
Highest Grade H-1
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.
Linked across censuses
Our Model Tree links Mary Dolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dolan
Daughter · 1940 · age 14 · b. ~1926 · New York
★ You are viewing this record
Sibling
Patricia Dolan
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Dolan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Dolan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Dolan
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Dolan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Dolan
Sibling · 1940 · age 23
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

1940 US Federal Census — Erie-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02827-00235)

Line Name Age Relation Occupation Birthplace
1 John Thoma 64 Head Engineer New York
2 Anna Thoma 64 Wife — New York
3 Michael Scanlon 66 Head Engineer New York
4 Anna Scanlon 64 Wife Prop. New York
5 Anna Scanlon 24 Daughter — New York
6 James Scanlon 30 Son Fireman New York
7 Dolores Scanlon 26 Daughter in law Bookkeeper New York
8 Catherine Galler 78 Head — New York
9 Eleanor Galler 40 Daughter Stenographer New York
10 Margaret Murphy 40 Head — New York
11 Richard Murphy 11 Son — New York
12 Donald Murphy 8 Son — New York
13 Vincent Murphy 7 Son — New York
14 Mary Stuber 64 Head — New York
15 John S. Stuber 42 Son Mgr. New York
16 Peter Dolan 52 Head Engineer Pennsylvania
17 Marie Dolan 48 Wife — Ireland
18 John Dolan 23 Son Checker New York
19 William Dolan 20 Son Dany New York
20 Thomas Dolan 16 Son — New York
21 Gerald Dolan 14 Son — New York
22 Mary Agnes Dolan THIS PERSON 14 Daughter — New York
23 Margaret Dolan 13 Daughter — New York
24 Patricia Dolan 11 Daughter — New York
25 Anthony Martini 46 Head Machinist New York
26 Rose Martini 42 Wife — New York
27 Rose Marie Martini 2 Daughter — New York
28 Richard Hennessy 67 Head Engineer Ireland
29 Delia Hennessy 60 Wife — Ireland
30 Lillian Hennessy 32 Daughter Teacher New York
31 Dorothy Hennessy 26 Daughter — New York
32 James Hennessy 30 Son Priest New York
33 John Schell 57 Head Engineer New York
34 Ada Schell 57 Wife — New York
35 Mildred Schell 34 Daughter Factory Worker New York
36 Gordon Schell 30 Son Switchman New York
37 Anthony Schell 24 Son Frazier New York
38 Norman Leichinger 14 Grandson — New York
39 Shirley Leichinger 13 Granddaughter — New York
40 John Julius 48 Head Machinist New York

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 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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