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Thomas Brennan — 1930 US Census Record

Model Tree available

1930 United States Federal Census · Medina, Ohio

Our Model Tree links this Thomas Brennan across the 1910, 1920 and 1930 US Censuses in Medina, Ohio (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — first a son (b.~1909), then head of a 8-person household.

Age 21 b. ~1909 Male Son Born: Pennsylvania Single

1930 Census Record Details

Census Year1930
LocationMedina, Ohio
SurnameBrennan
Given NameThomas A
Relationship to HeadSon
SexM
Color / RaceWhite
Age21
Marital StatusSingle
BirthplacePennsylvania
Father's BirthplaceIrish Free State
Mother's BirthplaceMaryland
Additional Details
OccupationLaborer
IndustrySteel Mill
Class of WorkerW
Can Read/WriteYes
Birth StatePennsylvania
Birth CountryUnited States
Birthplace (normalized)pennsylvania
OccupationLaborer
Township / WardHinckley Township
Est. Birth Year~1909

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.

8 people recorded at the same address in the 1930 census.

Name Relation to head Relative to Thomas Age Birth yr
Thomas Brennan Son — 21 ~1909
Alice Brennan Spouse — 49 ~1881
Thomas Brennan Head — 53 ~1877
James Brennan Son — 25 ~1905
John Brennan Son — 15 ~1915
Mary Brennan Daughter — 8 ~1922
Martin Brennan Son — 7 ~1923
Kathleen Brennan Daughter — 23 ~1907

Census Appearances

1910
Cuyahoga, Ohio
Son, age 1
Cuyahoga, Ohio · implied b. ~1909 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Brennan
Given Name Thomas
Relationship to Head son
Sex M
Color / Race White
Age 1
Marital Status Single
Birthplace Pennsylvania
Father's Birthplace Ire. Irish
Mother's Birthplace Maryland
Occupation none
Birth State Pennsylvania
Birth Country United States
Birthplace (normalized) pennsylvania
1920
Cuyahoga, Ohio
Son, age 11
Cuyahoga, Ohio · implied b. ~1909 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Brennan
Given Name Thomas A.
Relationship to Head Son
Sex M
Color / Race White
Age 11
Marital Status Single
Birthplace Pennsylvania
Father's Birthplace Ireland
Mother's Birthplace Maryland
Can Read Yes
Can Write Yes
Speaks English Yes
Mother Tongue English
Birth State Pennsylvania
Birth Country United States
Birthplace (normalized) pennsylvania
1930
Medina, Ohio
Son, age 21
Medina, Ohio · implied b. ~1909 — 8 household members
Surname Brennan
Given Name Thomas A
Relationship to Head Son
Sex M
Color / Race White
Age 21
Marital Status Single
Birthplace Pennsylvania
Father's Birthplace Irish Free State
Mother's Birthplace Maryland
Occupation Laborer
Industry Steel Mill
Class of Worker W
Can Read/Write Yes
Birth State Pennsylvania
Birth Country United States
Birthplace (normalized) pennsylvania

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 Thomas Brennan across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Brennan (~0.92 confidence) and father Thomas Brennan (~0.92 confidence) and father Thomas Brennan (~0.92 confidence) and mother Alice Brennan (~0.92 confidence) and mother Alice Brennan (~0.92 confidence) and mother Alice Brennan (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
Thomas Brennan
b. ~1877
Source father
● Household · direct · ~0.92
Father
Thomas Brennan
b. ~1877
Source father
● Household · direct · ~0.92
Father
Thomas Brennan
b. ~1876
Source father
● Household · direct · ~0.92
Mother
Alice Brennan
b. ~1882
Source mother
● Household · direct · ~0.92
Mother
Alice Brennan
b. ~1880
Source mother
● Household · direct · ~0.92
Mother
Alice Brennan
b. ~1881
Source mother
● Household · direct · ~0.92
This person
Anchor record
Thomas Brennan
Son · 1930 · age 21 · b. ~1909 · Ohio
★ You are viewing this record
Sibling
Kathleen Brennan
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Brennan
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Brennan
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Brennan
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Brennan
Sibling · 1930 · age 15
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 — Medina, Ohio Open full size

Page Contents

50 people indexed on this census page (ia:1930:ohiocensus00reel1848:0546)

Line Name Age Relation Occupation Birthplace
1 Thomas M Brennan 53 Head — Irish Free State
2 Alice B Brennan 49 Wife — Maryland
3 Kathleen Brennan 23 Daughter Saleslady Pennsylvania
4 Thomas A Brennan THIS PERSON 21 Son Laborer Pennsylvania
5 James A Brennan 25 Son — Ohio
6 John A Brennan 15 Son — Ohio
7 Mary A Brennan 8 Daughter — Ohio
8 Martin J Brennan 7 Son — Ohio
9 Andy N Bihun 50 Head Farmer Russia
10 Tatiana Bihun 55 Wife — Poland
11 Steve Maslanka 18 Stepson Laborer Ohio
12 William Maslanka 15 Stepson Laborer Ohio
13 Mary Maslanka 10 Stepdaughter — Ohio
14 Catherine Maslanka 2 Stepdaughter — Ohio
15 George Tylamaz 57 Boarder Laborer Russia
16 Alex Csesnok 38 Head Carpenter Hungary
17 Mary Csesnok 39 Wife — Czechoslovakia
18 Mary Csesnok 7 Daughter — Michigan
19 Alex B Csesnok 4 Daughter — Ohio
20 Ray R Saunders 33 Head Electrician Michigan
21 Vesta E Saunders 32 Wife — Ohio
22 Arthur R Saunders 10 Son — Michigan
23 Pauline R Saunders 8 Daughter — Michigan
24 Edna M Hellinger 6 Daughter — Ohio
25 Clem Hellinger 40 Head Laborer Ohio
26 Frances Hellinger 27 Wife — Ohio
27 Bernadean Hellinger 2 Daughter — Ohio
28 Raymond A Charlton 29 Head Mechanic Ohio
29 Vera E Charlton 26 Wife — Ohio
30 Arline B Charlton 2 Daughter — Ohio
31 Carlos Tibbetts 28 Boarder Mechanic Ohio
32 Elton Tibbetts 24 Boarder Mechanic Ohio
33 Clyde W Brown 47 Head Salesman Ohio
34 Lottie E Brown 46 Wife — Ohio
35 Truman H Brown 15 Son — Ohio
36 Dale S Brown 12 Daughter — Ohio
37 Albert G Brown 72 Head — New York
38 Henry G Hicks 64 Head — Ohio
39 Schuler Carter 26 Head Carpenter Ohio
40 George E Stolpman 32 Head Purchasing Agent Ohio
41 Katherine Stolpman 27 Wife — Pennsylvania
42 William J Hugh 53 Head — England
43 Florence A Hugh 51 Wife — Ohio
44 Anna M Cowles 75 Mother-in-law Laborer Ohio
45 Rudolph Horst 49 Head — Germany
46 Cunigunda Horst 47 Wife — Ohio
47 Martha Horst 21 Daughter — Ohio
48 Leo Horst 17 Son — Ohio
49 Margaret Horst 11 Daughter — Ohio
50 — None — — —

Search for Thomas Brennan

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Pedigree Summary

Thomas + 5 siblings
Gen 1 · 6 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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