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William Donovan — 1930 US Census Record

Model Tree available

1930 United States Federal Census · Oswego, New York

Our Model Tree links this William Donovan across the 1910, 1920 and 1930 US Censuses in Oswego, New York (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a son (b.~1907), then head of a 7-person household.

Age 23 b. ~1907 Male Son Born: New York Single

1930 Census Record Details

Census Year1930
LocationOswego, New York
SurnameDonovan
Given NameWilliam J
Relationship to HeadSon
SexM
Color / RaceWhite
Age23
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceNew York
Mother's BirthplaceNew York
Additional Details
OccupationPlumber Helper
IndustryPlumbing Shop
Class of WorkerW
Can Read/WriteYes
VeteranNo
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationPlumber Helper
Township / WardOswego City
Est. Birth Year~1907

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 William Age Birth yr
Frank Donovan Head — 58 ~1872
Francis Donovan Son — 19 ~1911
Margaret Donovan Other — 58 ~1872
Margaret Donovan Daughter — 21 ~1909
William Donovan Son — 23 ~1907
Joseph Donovan Son — 16 ~1914
Mary Donovan Daughter — 26 ~1904

Census Appearances

1910
Oswego, New …
Son, age 4
Oswego, New York · implied b. ~1906 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Donavan
Given Name William J
Relationship to Head Son
Sex M
Color / Race White
Age 4
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1920
Oswego, New …
Son, age 14
Oswego, New York · implied b. ~1906 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Donovan
Given Name William J.
Relationship to Head Son
Sex M
Color / Race White
Age 14
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 Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1930
Oswego, New …
Son, age 23
Oswego, New York · implied b. ~1907 — 7 household members
Surname Donovan
Given Name William J
Relationship to Head Son
Sex M
Color / Race White
Age 23
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation Plumber Helper
Industry Plumbing Shop
Class of Worker W
Can Read/Write Yes
Veteran No
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 William Donovan across 3 US Census years (1910, 1920 and 1930) in Oswego, New York, using XGBoost record linkage. Identified parents: father Frank Donavan (~0.92 confidence) and father Frank Donovan (~0.92 confidence) and mother Margaret Donovan (~0.92 confidence) and mother Margerette Donavan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
Frank Donavan
b. ~1872
Source father
● Household · direct · ~0.92
Father
Frank Donovan
b. ~1872
Source father
● Household · direct · ~0.92
Mother
Margaret Donovan
b. ~1878
Source mother
● Household · direct · ~0.92
Mother
Margerette Donavan
b. ~1875
Source mother
● Household · direct · ~0.92
This person
Anchor record
William Donovan
Son · 1930 · age 23 · b. ~1907 · New York
★ You are viewing this record
Sibling
Margaret Donovan
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Donovan
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Donovan
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Donovan
Sibling · 1930 · age 26
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 — Oswego, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1635:0875)

Line Name Age Relation Occupation Birthplace
1 Helen Lothridge 61 Wife — New York
2 Minnie Cooper 59 Sister Law — New York
3 Patrick J Donovan 42 Head Foreman Ireland Free State
4 Helen M Donovan 42 Wife — Scotland
5 Miriam J Ball 67 Head Flag Man New York
6 Catherine M Ball 74 Wife-N — Canada English
7 Ralph M Crow 30 Head Shipping Clerk New York
8 Mary S Crow 58 Mother Housework New York
9 S Montgomery 8 Nephew — New York
10 George H Gramling 34 Head Machinist Pennsylvania
11 Mary A Gramling 36 Wife — New York
12 Jane Gramling 7 Daughter — New York
13 Patricia Gramling 3 Daughter — New York
14 Jesse A Smith 50 Head Mill Wright New York
15 Alice Smith 57 Wife-N — New York
16 Peter W Mcgann 46 Head Chief Clerk New York
17 Jennie M Mcgann 40 Wife-N — New York
18 Earl C Pelow 32 Head Moulder New York
19 Louise J Pelow 31 Wife-N — New York
20 Robert E Pelow 10 Son — New York
21 Norma L Pelow 8 Daughter — New York
22 Ira J Harris 53 Head Merchant New York
23 Bertha Harris 50 Wife-N — Germany
24 Edith K Harris 15 Daughter — New York
25 Ira J Jr Harris 13 Son — New York
26 Edna A Harris 8 Daughter — New York
27 Elizabeth Harris 67 Sister — New York
28 Margaret Rice 52 Roomer Teacher New York
29 Julia Coakley 44 Head Hemmer New York
30 Sarah Coakley 42 Sister-N Folder New York
31 Hurley Smith 56 Head Sales Man New York
32 Ida E Smith 50 Wife-N — New York
33 Donald E Smith 19 Son — New York
34 Katherine Smith 64 Sister Law — New York
35 William R Malone 56 Head Watchman New York
36 Anna Malone 60 Wife-N — New York
37 Frank J Donovan 58 Head Master Plumber New York
38 Margaret Donovan 58 Wife-N — New York
39 Mary T Donovan 26 Daughter Teacher New York
40 William J Donovan THIS PERSON 23 Son Plumber Helper New York
41 Margaret Donovan 21 Daughter — New York
42 Francis M Donovan 19 Son — New York
43 Joseph F Donovan 16 Son — New York
44 William H King 70 Head Salesman New York
45 Mary E King 69 Wife-N — New York
46 Albert E Mccarthy 44 Head Desk Man New York
47 Agnes G Mccarthy 44 Wife-N — New York
48 Albert J Mccarthy 12 Son — New York
49 Charles E Glynn 53 Roomer Salesman New York
50 Vina Wancha 64 Head — New York

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Pedigree Summary

William + 4 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 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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