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Mary Donohue — 1920 US Census Record

Model Tree available

1920 United States Federal Census · Erie, New York

Our Model Tree links this Mary Donohue across the 1920, 1930 and 1940 US Censuses in Erie, New York (XGBoost, ~Confirmed), with identified parents Nellie & Nicholas — first a daughter (b.~1911), then head of a 6-person household.

Age 9 b. ~1911 Female Daughter Born: New York Single

1920 Census Record Details

Census Year1920
LocationErie, New York
SurnameDonohue
Given NameMary P.
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age9
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceNew York
Mother's BirthplaceNew York
Additional Details
Can ReadYes
Can WriteYes
Speaks EnglishYes
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardBuffalo City
Est. Birth Year~1911

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.

6 people recorded at the same address in the 1920 census.

Name Relation to head Relative to Mary Age Birth yr
John Donohue Son — 6 ~1914
Margaret Donohue Daughter — 8 ~1912
Nicholas Donohue Head — 44 ~1876
Mary Donohue Spouse — 44 ~1876
Frances Donohue Daughter — 5 ~1915
Mary Donohue Daughter — 9 ~1911

Census Appearances

1920
Erie, New …
Daughter, age 9
Erie, New York · implied b. ~1911 — 6 household members
Surname Donohue
Given Name Mary P.
Relationship to Head Daughter
Sex F
Color / Race White
Age 9
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1930
Erie, New …
Daughter, age 19
Erie, New York · implied b. ~1911 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Donahue
Given Name Mary P.
Relationship to Head Daughter
Sex F
Color / Race White
Age 19
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation Stenographer
Industry Private
Class of Worker W
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
Daughter, age 29
Erie-County, New York · implied b. ~1911 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Donahue
Given Name Mary P
Relationship to Head Daughter
Sex F
Color / Race White
Age 29
Marital Status Single
Birthplace New York
1935 Residence (City) Buffalo city
1935 Residence (County) Erie
Occupation Stenographer
Industry Erie County
Class of Worker PW
Hours Worked 40
Income (1939) 2369
Highest Grade C 4
1935 Residence Same House
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 Donohue across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Nellie Donahue (~0.92 confidence) and father Nicholas Donahue (~0.92 confidence) and mother Mary Donohue (~0.92 confidence) and father Nicholas Donohue (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Mother
Nellie Donahue
b. ~1875
Source mother
● Household · direct · ~0.92
Father
Nicholas Donahue
b. ~1875
Source father
● Household · direct · ~0.92
Mother
Mary Donohue
b. ~1876
Source mother
● Household · direct · ~0.92
Father
Nicholas Donohue
b. ~1876
Source father
● Household · direct · ~0.92
This person
Anchor record
Mary Donohue
Daughter · 1920 · age 9 · b. ~1911 · New York
★ You are viewing this record
Sibling
Margaret Donohue
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Donohue
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Donohue
Sibling · 1920 · age 6
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 — Erie, New York Open full size

Page Contents

50 people indexed on this census page (ia:1920:14thcensusofpopu1099unit:0667)

Line Name Age Relation Occupation Birthplace
51 Margaret Galvin 21 Daughter — New York
52 Martin J. Galvin 8 Grandson — New York
53 Spring Barrett 28 Boarder Pattern Maker New York
54 Thomas Daley 35 Boarder Brake Operator New York
55 Martin Leville 36 Head Switchman New York
56 Elizabeth Leville 35 Wife — New York
57 John J. Leville 11 Son — New York
58 Margaret V. Leville 10 Daughter — New York
59 Nicholas Donohue 44 Head Patrolman New York
60 Mary Donohue 44 Wife — New York
61 Mary P. Donohue THIS PERSON 9 Daughter — New York
62 Margaret Donohue 8 Daughter — New York
63 John J. Donohue 6 Son — New York
64 Frances Donohue 5 Daughter — New York
65 James Mccarthy 28 Head Fireman New York
66 Isabel Mccarthy 27 Wife — New York
67 Joseph Mccarthy 2 Son — New York
68 Martin Mccarthy 64 Father — New York
69 Samuel Staver 53 Head Laborer New York
70 Mary Staver 49 Wife — New York
71 Theresa Staver 24 Daughter Stenographer New York
72 Samuel Staver 21 Son Clerk New York
73 Julia A. Staver 19 Daughter Stenographer New York
74 Thomas C. Staver 16 Son Clerk New York
75 Charles Brown 28 Head Fireman New York
76 Sarah Brown 27 Wife — U.S.
77 Margaret E. Brown 2 Daughter — U.S.
78 Margaret Morrissey 51 Mother-in-law — New York
79 Michael Murphy 36 Head Laborer New York
80 Julia Murphy 34 Wife — New York
81 Margaret Murphy 14 Daughter — New York
82 Gertrude Murphy 11 Daughter — New York
83 Francis J. Murphy 8 Son — New York
84 Mary E. Murphy 5 Daughter — New York
85 Richard Murphy 3 Son — New York
86 Edward Riordan 31 Head Fireman New York
87 Anna Riordan 30 Wife — New York
88 Anna Marie Riordan 6 Daughter — New York
89 Mary B. Riordan 4 Daughter — New York
90 James Burns 23 Head Fireman Ireland
91 Julia Burns 22 Wife — Ireland
92 James Mccarty 30 Head Laborer Ireland
93 Daniel Mccarty 7 Son — New York
94 Lawrence Kelley 37 Head Laborer Ireland
95 Elizabeth Kelley 37 Wife — Maryland
96 James Kelley 11 Son — New York
97 Marion Kelley 8 Daughter — New York
98 Lawrence Kelley 6 Son — New York
99 John Kelley 4 Son — New York
100 William Kelley 3 Son — New York

Related Census Records

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Pedigree Summary

Mary + 3 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 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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