TM
Thomas Mccarthy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lackawanna-County, Pennsylvania
Our Model Tree links this Thomas Mccarthy across the 1920, 1930 and 1940 US Censuses in Lackawanna-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Lawrence & Thomas — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lackawanna-County, Pennsylvania |
| Surname | McCarthy |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Scranton |
| 1935 Residence (County) | Lackawanna |
| Additional Details | |
| Occupation | Roofer |
| Industry | Repair Shop |
| Class of Worker | OA |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Roofer |
| Township / Ward | Scranton |
| Est. Birth Year | ~1917 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Mccarthy | Son | — | 23 | ~1917 |
| John Mccarthy | Son | — | 22 | ~1918 |
| Mary Mccarthy | Spouse | — | 58 | ~1882 |
| Robert Mccarthy | Son | — | 16 | ~1924 |
| Thomas Mccarthy | Head | — | 59 | ~1881 |
Census Appearances
1920
Lackawanna, Pennsylvania
Son, age 2
Lackawanna, Pennsylvania · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lackawanna, Pennsylvania
Son, age 12
Lackawanna, Pennsylvania · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lackawanna-County, Pennsylvania
Son, age 23
Lackawanna-County, Pennsylvania · implied b. ~1917 — 5 household members
| Surname | McCarthy |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Scranton |
| 1935 Residence (County) | Lackawanna |
| Occupation | Roofer |
| Industry | Repair Shop |
| Class of Worker | OA |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 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 Mccarthy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lawrence Mccarthy (~0.92 confidence) and father Thomas Mccarthy (~0.92 confidence) and mother Mary Mccarthy (~0.92 confidence) and father Lawrence Mccarthy (~0.92 confidence) and mother Bridget Mccarthy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lawrence Mccarthy
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Thomas Mccarthy
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Mary Mccarthy
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Lawrence Mccarthy
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Bridget Mccarthy
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Mccarthy
Son · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
Robert Mccarthy
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mccarthy
Sibling · 1940 · age 22
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
1940 US Federal Census — Lackawanna-County, Pennsylvania
Open full size
1940 US Federal Census — Lackawanna-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03682-00198)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Quinn | 48 | Boarder | Laborer | Pennsylvania |
| 2 | Thomas J. Mccarthy | 59 | Head | Laborer | Pennsylvania |
| 3 | Mary E. Mccarthy | 58 | Wife | — | Pennsylvania |
| 4 | Thomas J. Mccarthy THIS PERSON | 23 | Son | Roofer | Pennsylvania |
| 5 | John E. Mccarthy | 22 | Son | Laborer | Pennsylvania |
| 6 | Robert E. Mccarthy | 16 | Son | — | Pennsylvania |
| 7 | John K. Rodgers | 43 | Head | Laborer | Pennsylvania |
| 8 | Doris M. Rodgers | 36 | Wife | — | Pennsylvania |
| 9 | John K. Rodgers | 19 | Son | Laborer | Pennsylvania |
| 10 | Doris M. Rodgers | 18 | Daughter | — | Pennsylvania |
| 11 | William L. Rodgers | 15 | Son | — | Pennsylvania |
| 12 | Joseph F. Rodgers | 12 | Son | — | Pennsylvania |
| 13 | Claire Rodgers | 10 | Daughter | — | Pennsylvania |
| 14 | Mary E. Mclaughlin | 63 | Head | — | Pennsylvania |
| 15 | Mary P. Devaney | 33 | Daughter | Bookkeeper | Pennsylvania |
| 16 | Margaret Mclaughlin | 21 | Daughter | Waitress | Pennsylvania |
| 17 | Joseph J. Barrett | 35 | Son-in-law | Weaver | Pennsylvania |
| 18 | Arlene Barrett | 31 | Wife | — | Pennsylvania |
| 19 | Joseph J. Barrett | 11 | Son | — | Pennsylvania |
| 20 | Mary Barrett | 8 | Daughter | — | Pennsylvania |
| 21 | Anthony L. Henghen | 40 | Head | Laborer | Pennsylvania |
| 22 | Mary E. Henghen | 38 | Sister | Nurse | Pennsylvania |
| 23 | Bridget Mangan | 72 | Aunt | — | Irish Free State |
| 24 | John C. Leonard | 43 | Head | Proprietor | Pennsylvania |
| 25 | Carrie E. Leonard | 31 | Wife | — | Pennsylvania |
| 26 | Roger J. Leonard | 13 | Son | — | Pennsylvania |
| 27 | Dora H. Franz | 49 | Boarder | Lace Worker | Pennsylvania |
| 28 | Mary E. Lynch | 59 | Boarder | Lace Finisher | Pennsylvania |
| 29 | Charles Rozunkis | 33 | Head | Miner | Pennsylvania |
| 30 | Julia Rozunkis | 21 | Wife | — | Pennsylvania |
| 31 | Patricia A. Rozunkis | 0 | Daughter | — | Pennsylvania |
| 32 | Walter Kelley | 23 | Head | Laborer | Pennsylvania |
| 33 | Robert L. Brewster | 29 | Head | Laborer | Pennsylvania |
| 34 | Loretta Brewster | 31 | Wife | — | Pennsylvania |
| 35 | Joseph Pinkus | 25 | Head | Laborer | Pennsylvania |
| 36 | Bernice Pinkus | 21 | Wife | — | Pennsylvania |
| 37 | Bernice Pinkus | 1 | Daughter | — | Pennsylvania |
| 38 | Infant Pinkus | 0 | Daughter | — | Pennsylvania |
| 39 | Joseph J. Regan | 34 | Head | Laborer | Pennsylvania |
| 40 | Anna R. Regan | 31 | Wife | — | Pennsylvania |
Pedigree Summary
Thomas + 2 siblings
Gen 1 · 5 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)