JB
John Brennan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this John Brennan across the 1920, 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Rose — first a head (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Brennan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkes-Barre City |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Occupation | Masseur |
| Industry | Turkish Bath |
| Class of Worker | PW |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Masseur |
| Township / Ward | Wilkesbarre 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Shirley Brennan | Daughter | — | 5 | ~1935 |
| John Brennan | Head | — | 26 | ~1914 |
| William Brennan | Son | — | 2 | ~1938 |
| Mae Brennan | Spouse | — | 23 | ~1917 |
Census Appearances
1920
Luzerne, Pennsylvania
Son, age 4
Luzerne, Pennsylvania · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Luzerne, Pennsylvania
Son, age 15
Luzerne, Pennsylvania · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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 |
1940
Luzerne-County, Pennsylvania
Head, age 26
Luzerne-County, Pennsylvania · implied b. ~1914 — 4 household members
| Surname | Brennan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkes-Barre City |
| 1935 Residence (County) | Luzerne |
| Occupation | Masseur |
| Industry | Turkish Bath |
| Class of Worker | PW |
| Hours Worked | 0 |
| Highest Grade | No 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 John Brennan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Rose Barrett (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Rose Barrett
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Brennan
Head · 1940 · age 26 · b. ~1914 · 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-t0627-03563-00403)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dolores Zugarek | 9 | Daughter | — | Pennsylvania |
| 2 | Theresa Zugarek | 6 | Daughter | — | Pennsylvania |
| 3 | Martin Jr. Zugarek | 3 | Son | — | Pennsylvania |
| 4 | Michael Samuels | 48 | Head | Laborer | Syria |
| 5 | Helen Samuels | 32 | Wife | — | Pennsylvania |
| 6 | June Samuels | 12 | Daughter | — | Pennsylvania |
| 7 | Marian Samuels | 12 | Daughter | — | Pennsylvania |
| 8 | Norma Samuels | 11 | Daughter | — | Pennsylvania |
| 9 | John J. Chmiola | 26 | Head | Laborer | Poland |
| 10 | Stella Chmiola | 29 | Wife | — | Pennsylvania |
| 11 | John E. Chmiola | 0 | Son | — | Pennsylvania |
| 12 | Joseph Sprock | 56 | Head | Watchman | Poland |
| 13 | Katherine Sprock | 52 | Wife | — | Czecho Slovakia |
| 14 | Joseph Jr. Sprock | 27 | Son | New Worker | Pennsylvania |
| 15 | Helen Sprock | 18 | Daughter | — | Pennsylvania |
| 16 | Mary Busch | 39 | Head | — | Pennsylvania |
| 17 | Leo Busch | 17 | Son | New Worker | Pennsylvania |
| 18 | Robert Busch | 15 | Son | — | Pennsylvania |
| 19 | Wilbur Busch | 11 | Son | — | Pennsylvania |
| 20 | Bernard Busch | 10 | Son | — | Pennsylvania |
| 21 | Margaret Busch | 8 | Daughter | — | Pennsylvania |
| 22 | Earl Busch | 4 | Son | — | Pennsylvania |
| 23 | Jean Busch | 3 | Daughter | — | Pennsylvania |
| 24 | Kenneth Busch | 1 | Son | — | Pennsylvania |
| 25 | Merle Miller | 28 | Head | Huckster | Pennsylvania |
| 26 | May Miller | 34 | Wife | — | England |
| 27 | Fred Williams | 22 | Brother-in-law | Slate Picker | Pennsylvania |
| 28 | Peter Bobrowski | 38 | Head | Laborer | Pennsylvania |
| 29 | Bertha Bobrowski | 34 | Wife | — | Pennsylvania |
| 30 | Mary H. Bobrowski | 16 | Daughter | Library Assistant | Pennsylvania |
| 31 | Bertha Bobrowski | 15 | Daughter | — | Pennsylvania |
| 32 | Joseph A. Bobrowski | 13 | Son | — | Pennsylvania |
| 33 | Peter Jr. Bobrowski | 11 | Son | — | Pennsylvania |
| 34 | Helen Bobrowski | 9 | Daughter | — | Pennsylvania |
| 35 | Florence Bobrowski | 7 | Daughter | — | Pennsylvania |
| 36 | Michael Petro | 27 | Lodger | Patcher | Massachusetts |
| 37 | John Brennan THIS PERSON | 26 | Head | Masseur | Pennsylvania |
| 38 | Mae Brennan | 23 | Wife | — | Pennsylvania |
| 39 | Shirley Brennan | 5 | Daughter | — | Pennsylvania |
| 40 | William Brennan | 2 | Son | — | Pennsylvania |
Pedigree Summary
John
Gen 1 · 1 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)