TB
Thomas Brennan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Luzerne, Pennsylvania
Our Model Tree links this Thomas Brennan across the 1910, 1920 and 1930 US Censuses in Luzerne, Pennsylvania (XGBoost, ~Confirmed), with identified parents Patrick & Thomas — first a son (b.~1908), then head of a 9-person household.
Age 22
b. ~1908
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Luzerne, Pennsylvania |
| Surname | Brennan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Larksville Borough |
| Est. Birth Year | ~1908 |
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 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mary Brennan | Daughter | — | 12 | ~1918 |
| Andrew Brennan | Son | — | 20 | ~1910 |
| Paul Brennan | Son | — | 17 | ~1913 |
| Frank Brennan | Son | — | 15 | ~1915 |
| Thomas Brennan | Son | — | 22 | ~1908 |
| Patrick Brennan | Head | — | 47 | ~1883 |
| Margaret Brennan | Daughter | — | 7 | ~1923 |
| Margaret Brennan | Spouse | — | 47 | ~1883 |
| Ruth Brennan | Daughter | — | 11 | ~1919 |
Census Appearances
1910
Luzerne, Pennsylvania
Son, age 1
Luzerne, Pennsylvania · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennen |
| Given Name | Thomas Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Luzerne, Pennsylvania
Son, age 11
Luzerne, Pennsylvania · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Thomas P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Luzerne, Pennsylvania
Son, age 22
Luzerne, Pennsylvania · implied b. ~1908 — 9 household members
| Surname | Brennan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| 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.
Our Model Tree links Thomas Brennan across 3 US Census years (1910, 1920 and 1930) in Luzerne, Pennsylvania, using XGBoost record linkage. Identified parents: father Patrick Brennan (~0.92 confidence) and father Thomas Brennen (~0.92 confidence) and mother Margaret Brennan (~0.92 confidence) and mother Mary Brennen (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Brennan
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Thomas Brennen
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Margaret Brennan
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Mary Brennen
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Brennan
Son · 1930 · age 22 · b. ~1908 · Pennsylvania
★ You are viewing this record
Sibling
Ruth Brennan
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Brennan
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Brennan
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Brennan
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Brennan
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Brennan
Sibling · 1930 · age 12
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 — Luzerne, Pennsylvania
Open full size
1930 US Federal Census — Luzerne, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2069:0570)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary | 18 | Daughter | Stripper | Pennsylvania |
| 52 | John | 16 | Son | Mechanic | Pennsylvania |
| 53 | Anna | 8 | Daughter | — | Pennsylvania |
| 54 | Andrew | 5 | Son | — | Pennsylvania |
| 55 | Edward | 3 | Son | — | Pennsylvania |
| 56 | Josephine | 1 | Daughter | — | Pennsylvania |
| 57 | John Putorch | 24 | Boarder | Laborer | Czecho Slovakia |
| 58 | Frances Lypkoski | 74 | Head | — | Germany |
| 59 | Helen Lypkoski | 35 | Daughter | Filler | Pennsylvania |
| 60 | Harry Derwin | 37 | Head | Laborer | Pennsylvania |
| 61 | Helen R. Derwin | 33 | Wife | — | Pennsylvania |
| 62 | Alice Derwin | 2 | Daughter | — | Pennsylvania |
| 63 | Michael Repotski | 22 | Boarder | Merchant | Pennsylvania |
| 64 | Henry Derwin | 61 | Head | — | New Jersey |
| 65 | Bridget H. Derwin | 60 | Wife | — | Pennsylvania |
| 66 | Andrew Derwin | 26 | Son | Laborer | Pennsylvania |
| 67 | Margaret Derwin | 24 | Daughter | Teacher | Pennsylvania |
| 68 | Cornelius H. Gromes | 31 | Head | Teacher | Pennsylvania |
| 69 | Richard Gromes | 17 | Brother | Laborer | Pennsylvania |
| 70 | David Brennan | 55 | Uncle | — | Pennsylvania |
| 71 | William F. Evans | 42 | Head | Machinist | Pennsylvania |
| 72 | Margaret Evans | 43 | Wife | — | Pennsylvania |
| 73 | Frank Evans | 12 | Son | — | Pennsylvania |
| 74 | Helen Evans | 9 | Daughter | — | Pennsylvania |
| 75 | Mary Evans | 4 | Daughter | — | Pennsylvania |
| 76 | Cornelius Fagan | 44 | Brother-in-law | Laborer | Irish Free State |
| 77 | Patrick J. Mangan | 47 | Head | Laborer | Pennsylvania |
| 78 | Margaret Mangan | 45 | Wife | — | Pennsylvania |
| 79 | Thomas Mangan | 11 | Son | — | Pennsylvania |
| 80 | Patrick A. Brennan | 47 | Head | Retail | Pennsylvania |
| 81 | Margaret Brennan | 47 | Wife | — | Pennsylvania |
| 82 | Thomas Brennan THIS PERSON | 22 | Son | — | Pennsylvania |
| 83 | Andrew Brennan | 20 | Son | Clerk | Pennsylvania |
| 84 | Paul Brennan | 17 | Son | — | Pennsylvania |
| 85 | Frank Brennan | 15 | Son | — | Pennsylvania |
| 86 | Mary Brennan | 12 | Daughter | — | Pennsylvania |
| 87 | Ruth Brennan | 11 | Daughter | — | Pennsylvania |
| 88 | Margaret Brennan | 7 | Daughter | — | Pennsylvania |
| 89 | William Edwards | 24 | Head | Laborer | Pennsylvania |
| 90 | Mary J. Edwards | 23 | Wife | — | Pennsylvania |
| 91 | William J. Edwards | 3 | Son | — | Pennsylvania |
| 92 | John Edwards | 1 | Son | — | Pennsylvania |
| 93 | Thomas Mctague | 21 | Brother-in-law | Clerk | Pennsylvania |
| 94 | Margaret Mctague | 25 | Sister-in-law | Clerk | Pennsylvania |
| 95 | Stephen Pimshub | 63 | Head | Laborer | Czecho Slovakia |
| 96 | Mary H. Pimshub | 60 | Wife | — | Czecho Slovakia |
| 97 | Agnes Pimshub | 23 | Daughter | Clerk | Pennsylvania |
| 98 | John Pimshub | 19 | Son | Laborer | Pennsylvania |
| 99 | Joseph Cunningham | 34 | Head | Engineer | Pennsylvania |
| 100 | Mary Cunningham | 32 | Wife | — | Pennsylvania |
Pedigree Summary
Thomas + 6 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)