WM
William Mcdermott — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lackawanna-County, Pennsylvania
Our Model Tree links this William Mcdermott across the 1920, 1930 and 1940 US Censuses in Lackawanna-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Thomas & William — first a head (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lackawanna-County, Pennsylvania |
| Surname | McDermott |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Jermyn Boro |
| 1935 Residence (County) | Lackawanna |
| Additional Details | |
| Occupation | Proprietor |
| Industry | Beer Garden |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Proprietor |
| Township / Ward | Jermyn Boro |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcdermott | Daughter | — | 1 | ~1939 |
| Antoinette Mcdermott | Spouse | — | 24 | ~1916 |
| William Mcdermott | Head | — | 32 | ~1908 |
Census Appearances
1920
Lackawanna, Pennsylvania
Son, age 11
Lackawanna, Pennsylvania · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | William |
| 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
Lackawanna, Pennsylvania
Son, age 22
Lackawanna, Pennsylvania · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Local Breaker |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lackawanna-County, Pennsylvania
Head, age 32
Lackawanna-County, Pennsylvania · implied b. ~1908 — 3 household members
| Surname | McDermott |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Jermyn Boro |
| 1935 Residence (County) | Lackawanna |
| Occupation | Proprietor |
| Industry | Beer Garden |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 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 William Mcdermott across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Mcdermott (~0.92 confidence) and father William Mcdermott (~0.92 confidence) and mother Mary Mcdermott (~0.92 confidence) and mother Rose Mcdermott (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Mcdermott
b. ~1893
Source father
● Household
· direct · ~0.92
Father
William Mcdermott
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Mary Mcdermott
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Rose Mcdermott
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Mcdermott
Head · 1940 · age 32 · b. ~1908 · 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 — 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-t0627-03525-00310)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Stella Vizzard | 61 | Head | — | Pennsylvania |
| 2 | Elizabeth Vizzard | 22 | Daughter | New Worker | Pennsylvania |
| 3 | Walter Vizzard | 20 | Son | New Worker | Pennsylvania |
| 4 | John Powers | 67 | Lodger | Laborer | Illinois |
| 5 | Joseph Frankosky | 67 | Head | Laborer | Poland |
| 6 | Mary Frankosky | 55 | Wife | — | Poland |
| 7 | Stephen Frankosky | 20 | Son | Laborer | Pennsylvania |
| 8 | Stanley Frankosky | 25 | Son | Laborer | Poland |
| 9 | Joseph Frankosky | 11 | Grandson | — | Pennsylvania |
| 10 | John Frankosky | 37 | Head | Laborer | Poland |
| 11 | Frances Frankosky | 35 | Wife | — | Pennsylvania |
| 12 | Frances Frankosky | 10 | Daughter | — | Pennsylvania |
| 13 | John Frankosky | 6 | Son | — | Pennsylvania |
| 14 | William J. Mcdermott THIS PERSON | 32 | Head | Proprietor | Pennsylvania |
| 15 | Antoinette Mcdermott | 24 | Wife | — | Pennsylvania |
| 16 | Mary C. Mcdermott | 1 | Daughter | — | Pennsylvania |
| 17 | Bridget Kalinowski | 43 | Head | — | Poland |
| 18 | John Yoblonski | 23 | Son | Manager | Pennsylvania |
| 19 | Jennie Yoblonski | 22 | Daughter | Housekeeper | Pennsylvania |
| 20 | Edward Perkowski | 17 | Son | Delivery Boy | Pennsylvania |
| 21 | Walter Schultz | 71 | Head | Laborer | Lithuania |
| 22 | Charlotte Schultz | 62 | Wife | — | Poland |
| 23 | Walter Sakinsky | 15 | Grandson | — | Pennsylvania |
| 24 | Eugene Sakinsky | 13 | Grandson | — | Pennsylvania |
| 25 | Michael Lovitt | 52 | Head | Fireman | Italy |
| 26 | Margaret Lovitt | 23 | Daughter | — | Pennsylvania |
| 27 | Elizabeth Lovitt | 19 | Daughter | Dressmaker | Pennsylvania |
| 28 | Eugene Lovitt | 17 | Son | New Worker | Pennsylvania |
| 29 | Mary Lovitt | 14 | Daughter | — | Pennsylvania |
| 30 | Catherine Lovitt | 12 | Daughter | — | Pennsylvania |
| 31 | Walter Lovitt | 9 | Son | — | Pennsylvania |
| 32 | Joseph Osborne | 35 | Head | Laborer | Pennsylvania |
| 33 | Julia Osborne | 29 | Wife | — | Pennsylvania |
| 34 | Michael Osborne | 10 | Son | — | Pennsylvania |
| 35 | Johanna Osborne | 6 | Daughter | — | Pennsylvania |
| 36 | Leopold Golaszewski | 44 | Head | Miner | Poland |
| 37 | Josephine Golaszewski | 34 | Wife | — | Pennsylvania |
| 38 | Henry Golaszewski | 13 | Son | — | Pennsylvania |
| 39 | Stanley Golaszewski | 12 | Son | — | Pennsylvania |
| 40 | Helen Golaszewski | 10 | Daughter | — | Pennsylvania |
Pedigree Summary
William
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 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)