WM
William Mcdermott — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this William Mcdermott across the 1920, 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 6-person household.
Age 54
b. ~1886
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | McDermott |
| Given Name | William W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Occupation | Pressmaker |
| Industry | Automobile parts factory |
| Class of Worker | PW |
| Hours Worked | 1 |
| Income (1939) | 1759 |
| Highest Grade | 6 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Pressmaker |
| Township / Ward | Toledo |
| Est. Birth Year | ~1886 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Mcdermott | Head | — | 54 | ~1886 |
| Rose Mcdermott | Daughter | — | 17 | ~1923 |
| Elizabeth Mcdermott | Spouse | — | 51 | ~1889 |
| Bernard Mcdermott | Son | — | 23 | ~1917 |
| Patricia Mcdermott | Daughter | — | 13 | ~1927 |
| William Mcdermott | Son | — | 19 | ~1921 |
Census Appearances
1920
Lucas, Ohio
Head, age 33
Lucas, Ohio · implied b. ~1887 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | William H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Dye Maker |
| Industry | Automobile Parts |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Lucas, Ohio
Head, age 44
Lucas, Ohio · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | William H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Indiana |
| Occupation | diemaker |
| Industry | automobile factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Radio Set | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Lucas-County, Ohio
Head, age 54
Lucas-County, Ohio · implied b. ~1886 — 6 household members
| Surname | McDermott |
| Given Name | William W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Occupation | Pressmaker |
| Industry | Automobile parts factory |
| Class of Worker | PW |
| Hours Worked | 1 |
| Income (1939) | 1759 |
| Highest Grade | 6 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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.
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This person
Anchor record
William Mcdermott
Head · 1940 · age 54 · b. ~1886 · Ohio
★ 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 — Lucas-County, Ohio
Open full size
1940 US Federal Census — Lucas-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03264-00584)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Halleck | 35 | Son-in-law | Machinist | Ohio |
| 2 | Margaret Halleck | 34 | Daughter | — | Ohio |
| 3 | James Halleck | 10 | Grandson | — | Ohio |
| 4 | Jack Halleck | 6 | Grandson | — | Ohio |
| 5 | Margaret M Halleck | 2 | Daughter | — | Ohio |
| 6 | Vincent W Diler | 42 | Head | Stock Fellow | Ohio |
| 7 | Sarah Diler | 40 | Wife | — | Ohio |
| 8 | Paul Wollenschlager | 51 | Head | Car Repairman | Germany |
| 9 | Minnie Wollenschlager | 52 | Wife | — | Germany |
| 10 | Vera Wollenschlager | 23 | Daughter | Assembler | Ohio |
| 11 | Ruth Wollenschlager | 21 | Daughter | Helper | Ohio |
| 12 | Donald Wollenschlager | 16 | Son | Butcher | Ohio |
| 13 | Nell Adams | 55 | Head | — | Ohio |
| 14 | Paul Adams | 22 | Son | Production Clerk | Ohio |
| 15 | Arnold Bauman | 40 | Head | Waiter | Ohio |
| 16 | Lucile Bauman | 35 | Wife | — | Texas |
| 17 | John J Bauman | 16 | Son | Bill Peddler | Ohio |
| 18 | — | None | — | — | — |
| 19 | William W Mcdermott THIS PERSON | 54 | Head | Pressmaker | Indiana |
| 20 | Elizabeth Mcdermott | 51 | Wife | — | Ohio |
| 21 | Bernard Mcdermott | 23 | Son | Accountant | Ohio |
| 22 | William W Mcdermott | 19 | Son | New Worker | Ohio |
| 23 | Rose Mary Mcdermott | 17 | Daughter | — | Ohio |
| 24 | Patricia Ann Mcdermott | 13 | Daughter | — | Ohio |
| 25 | Frank S Imhof | 51 | Head | Clerk | Ohio |
| 26 | Julia Imhof | 49 | Wife | — | Ohio |
| 27 | Joseph A Imhof | 25 | Son | Presser | Ohio |
| 28 | Patricia M Imhof | 23 | Daughter | Secretary | Ohio |
| 29 | Edgar H Lalendorf | 33 | Head | Body Repairman | Ohio |
| 30 | Ruth Lalendorf | 30 | Wife | — | Michigan |
| 31 | Donald Lalendorf | 4 | Son | — | Ohio |
| 32 | Thomas Mccormick | 56 | Boarder | Moving Picture Operator | Massachusetts |
| 33 | Peter H Bush | 60 | Head | Pattern Maker | New Hampshire |
| 34 | Anna N Bush | 58 | Wife | — | Ohio |
| 35 | James Mary B Bush | 26 | Daughter | — | Ohio |
| 36 | Mary Rita Bush | 1 | Daughter | — | Ohio |
| 37 | Joseph E O'Leary | 56 | Head | Conductor | Eire |
| 38 | Celia E O'Leary | 55 | Wife | — | Michigan |
| 39 | Anne O'Leary | 23 | Daughter | Assembler | Ohio |
| 40 | Marie Smith | 23 | Daughter | House Maid | Ohio |
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)