TB
Thomas Brennan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this Thomas Brennan across the 1920, 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Edward & Helen — first a head (b.~1890), then head of a 4-person household.
Age 50
b. ~1890
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Brennan |
| Given Name | Thomas A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkes-Barre City |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Occupation | laborer |
| Industry | outside coal mine |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 1250 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Wilkesbarre City |
| Est. Birth Year | ~1890 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Marguerite Brennan | Daughter | — | 15 | ~1925 |
| Thomas Brennan | Head | — | 50 | ~1890 |
| Maude Brennan | Daughter | — | 18 | ~1922 |
| Mary Brennan | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Luzerne, Pennsylvania
Son, age 29
Luzerne, Pennsylvania · implied b. ~1891 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Brakeman |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Luzerne, Pennsylvania
Head, age 40
Luzerne, Pennsylvania · implied b. ~1890 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Thomas |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 19 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Local Mines |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Luzerne-County, Pennsylvania
Head, age 50
Luzerne-County, Pennsylvania · implied b. ~1890 — 4 household members
| Surname | Brennan |
| Given Name | Thomas A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkes-Barre City |
| 1935 Residence (County) | Luzerne |
| Occupation | laborer |
| Industry | outside coal mine |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 1250 |
| Highest Grade | No 6 |
| 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 2 locations, using XGBoost record linkage. Identified parents: father Edward Brennan (~0.92 confidence) and mother Helen Brennan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Brennan
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Helen Brennan
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Brennan
Head · 1940 · age 50 · b. ~1890 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Luzerne-County, Pennsylvania
Open full size
1940 US Federal Census — Luzerne-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03564-00235)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Q Warneka | 37 | wife | — | Pennsylvania |
| 42 | Thomas B Warneka | 7 | son | — | Pennsylvania |
| 43 | Joseph Reilly | 30 | Head | Laborer | Pennsylvania |
| 44 | Mary Reilly | 27 | wife | — | Pennsylvania |
| 45 | Francis Reilly | 3 | son | — | Pennsylvania |
| 46 | Barbara Reilly | 1 | son | — | Pennsylvania |
| 47 | Clarence Roth | 54 | Head | Janitor | New York |
| 48 | Doris E Roth | 22 | daughter | New Worker | Pennsylvania |
| 49 | John Miller | 48 | Head | Carpenter | Pennsylvania |
| 50 | Mabel A Miller | 47 | wife | — | Pennsylvania |
| 51 | Robert Miller | 26 | son | School Teacher | Pennsylvania |
| 52 | Fredrick Miller | 23 | son | New Worker | Pennsylvania |
| 53 | John Miller | 17 | son | — | Pennsylvania |
| 54 | Steve Yameloski | 42 | Head | Laborer | Pennsylvania |
| 55 | Mary Yameloski | 36 | wife | — | Pennsylvania |
| 56 | Marguerite Yameloski | 11 | daughter | — | Pennsylvania |
| 57 | Joseph Yameloski | 6 | son | — | Pennsylvania |
| 58 | Vera Yameloski | 2 | daughter | — | Pennsylvania |
| 59 | Anna Stenach | 36 | sister in law | Saleslady | Pennsylvania |
| 60 | Andrew Stenach | 32 | brother in law | Ins. Collector | Pennsylvania |
| 61 | Anna Sr. Stenach | 71 | mother in law | — | Austria |
| 62 | Nicholas Desiderio | 71 | Head | — | Italy |
| 63 | Archie Cerraci | 37 | son in law | Salesman | Pennsylvania |
| 64 | Anna D Cerraci | 29 | daughter | — | Pennsylvania |
| 65 | Larfene Cerraci | 5 | grand daughter | — | Pennsylvania |
| 66 | Thomas A Brennan THIS PERSON | 50 | Head | Laborer | Pennsylvania |
| 67 | Mary Q Brennan | 51 | wife | — | Pennsylvania |
| 68 | Maude Brennan | 18 | daughter | — | Pennsylvania |
| 69 | Marguerite Brennan | 15 | daughter | — | Pennsylvania |
| 70 | Joseph Murphy | 28 | Head | Mill Worker | Pennsylvania |
| 71 | Anna Murphy | 23 | wife | — | Pennsylvania |
| 72 | Joan Murphy | 3 | daughter | — | Pennsylvania |
| 73 | Mary Murphy | 1 | daughter | — | Pennsylvania |
| 74 | Philip Mcdonald | 43 | Head | Carpenter | Pennsylvania |
| 75 | Anna Mcdonald | 43 | wife | — | Pennsylvania |
| 76 | Jean Mcdonald | 12 | daughter | — | Pennsylvania |
| 77 | Donald Mcdonald | 9 | son | — | Pennsylvania |
| 78 | Helen Mcdonald | 83 | mother | — | Pennsylvania |
| 79 | Raymond Mugford | 49 | Head | Laborer | Pennsylvania |
| 80 | Mary Mugford | 50 | wife | — | Pennsylvania |
Pedigree Summary
Thomas
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)