TB
Thomas Brennan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Thomas Brennan across the 1920, 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Thomas — first a son (b.~1914), then head of a 7-person household.
Age 16
b. ~1914
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Brennan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Paper Boy |
| Industry | Newspaper Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Paper Boy |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1914 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Brennan | Son | — | 16 | ~1914 |
| Hilda Brennan | Daughter | — | 10 | ~1920 |
| Mary Brennan | Daughter | — | 20 | ~1910 |
| Hilda Brennan | Spouse | — | 37 | ~1893 |
| John Brennan | Head | — | 47 | ~1883 |
| John Brennan | Son | — | 12 | ~1918 |
| Evelyn Brennan | Daughter | — | 7 | ~1923 |
Census Appearances
1920
Lehigh, Pennsylvania
Son, age 6
Lehigh, Pennsylvania · implied b. ~1914 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 16
Allegheny, Pennsylvania · implied b. ~1914 — 7 household members
| Surname | Brennan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Paper Boy |
| Industry | Newspaper Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 26
Allegheny-County, Pennsylvania · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Breeman |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Occupation | Bartender |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 875 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father John Brennan (~0.92 confidence) and father Thomas Brennan (~0.92 confidence) and mother Frances Brennan (~0.92 confidence) and mother Hilda Brennan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Brennan
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Thomas Brennan
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Frances Brennan
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Hilda Brennan
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Brennan
Son · 1930 · age 16 · b. ~1914 · Pennsylvania
★ You are viewing this record
Sibling
Hilda Brennan
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Brennan
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Brennan
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John 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 — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
49 people indexed on this census page (ia:1930:fifteenthcensus00reel1983:0612)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Margaret Hester | 51 | Head | Millinery | Pennsylvania |
| 52 | George W. Bainbridge | 59 | Roomer | Painter | Pennsylvania |
| 53 | John Gillespie | 17 | Roomer | Clerk | Pennsylvania |
| 54 | Leonard Sackett | 55 | Roomer | Machinist | Ohio |
| 55 | Abraham Rotham | 57 | Head | Tailor | Russia |
| 56 | Esther Rotham | 55 | Wife | Sales Super | Russia |
| 57 | Howard Muster | 33 | Head | Cleaner | Pennsylvania |
| 58 | Dorothy Muster | 31 | Wife | — | Roumania |
| 59 | Arnold Muster | 8 | Son | — | Pennsylvania |
| 60 | Helen Muster | 4 | Daughter | — | Pennsylvania |
| 61 | Lorraine Muster | 2 | Daughter | — | Pennsylvania |
| 62 | J. Fred Mills | 23 | Head | Printer | Pennsylvania |
| 63 | Lida M. Mills | 20 | Wife | — | Pennsylvania |
| 64 | George H. Tuxford | 53 | Head | Inspector | Illinois |
| 65 | Mary M. Tuxford | 53 | Wife | — | West Virginia |
| 66 | Elizabeth Mansion | 57 | Head | Salad Dresser | Pennsylvania |
| 67 | Elmer Mansion | 21 | Son | Cashier | Pennsylvania |
| 68 | Margaret Mansion | 21 | Daughter | Cashier | Pennsylvania |
| 69 | Anna Mansion | 18 | Daughter | Waitress | Pennsylvania |
| 70 | Luther Bowen | 27 | Head | Counter Clerk | Ohio |
| 71 | Adelaide Bowen | 26 | Wife | Counter Clerk | West Virginia |
| 72 | Luther R. Bowen | 1 | Son | — | Ohio |
| 73 | Marie Randolph | 65 | Mother-in-law | — | West Virginia |
| 74 | Cornelius Mccarthy | 70 | Head | — | Pennsylvania |
| 75 | Mary Mccarthy | 29 | Daughter | — | Pennsylvania |
| 76 | John Mccarthy | 27 | Son | Common Labor | Pennsylvania |
| 77 | Thomas Hynds | 38 | Head | Baker | Scotland |
| 78 | Isabella Hynds | 38 | Wife | — | Scotland |
| 79 | Thomas Jr. Hynds | 8 | Son | — | Scotland |
| 80 | Thomas H. Fong | 40 | Head | River Pilot | Pennsylvania |
| 81 | Mabel S. Fong | 34 | Wife | Cook | Pennsylvania |
| 82 | John F. Brennan | 47 | Head | Salesman | Pennsylvania |
| 83 | Hilda Brennan | 37 | Wife | — | Pennsylvania |
| 84 | Mary Brennan | 20 | Daughter | Sales Lady | Pennsylvania |
| 85 | Thomas Brennan THIS PERSON | 16 | Son | Paper Boy | Pennsylvania |
| 86 | John F. Jr. Brennan | 12 | Son | — | Pennsylvania |
| 87 | Hilda Brennan | 10 | Daughter | — | Pennsylvania |
| 88 | Evelyn Brennan | 7 | Daughter | — | Pennsylvania |
| 89 | Maude Tegler | 45 | Head | — | Pennsylvania |
| 90 | Charles Tegler | 20 | Son | Truck Helper | Pennsylvania |
| 91 | David Tegler | 13 | Son | — | Pennsylvania |
| 92 | James Tegler | 10 | Son | — | Pennsylvania |
| 93 | Mary Tegler | 6 | Daughter | — | Pennsylvania |
| 94 | Ellen Dugan | 56 | Head | — | England |
| 95 | John Dugan | 28 | Son | Truck Helper | Pennsylvania |
| 96 | Vincent Dugan | 26 | Son | Chauffeur | Pennsylvania |
| 97 | Helen J. Dugan | 24 | Daughter | — | Pennsylvania |
| 98 | John A. Dugan | 26 | Son-in-law | Computer | Pennsylvania |
| 99 | Ellen T. Dugan | 23 | Daughter | — | Pennsylvania |
Pedigree Summary
Thomas + 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)