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James Mcdermott — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this James Mcdermott across the 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 3-person household.
Age 61
b. ~1879
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | McDermott |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland city |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Occupation | Draftsman |
| Industry | Building Ventilating Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2100 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Draftsman |
| Township / Ward | Cleveland City |
| Est. Birth Year | ~1879 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Florence Mcdermott | Daughter | — | 33 | ~1907 |
| James Mcdermott | Head | — | 61 | ~1879 |
| Nellie Mcdermott | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Cuyahoga, Ohio
Head, age 40
Cuyahoga, Ohio · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDerment |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | draftsman |
| Industry | factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cuyahoga, Ohio
Head, age 50
Cuyahoga, Ohio · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDerment |
| Given Name | James H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 25 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Engineer |
| Industry | Sheet metal |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 50 |
| Radio Set | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Head, age 61
Cuyahoga-County, Ohio · implied b. ~1879 — 3 household members
| Surname | McDermott |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland city |
| 1935 Residence (County) | Cuyahoga |
| Occupation | Draftsman |
| Industry | Building Ventilating Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2100 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 James 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
James Mcdermott
Head · 1940 · age 61 · b. ~1879 · Ohio
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03229-00490)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nancy Jane Burus | 3 | Neice | — | Ohio |
| 42 | Violet, Barbra E. Burus | 25 | Sister-in-law | Stenographer | Kentucky |
| 43 | Tony Consiglio | 53 | Head | Storekeeper | Italy |
| 44 | Nora Consiglio | 39 | Wife | — | Italy |
| 45 | Rose Consiglio | 17 | Daughter | — | Pennsylvania |
| 46 | Angelo Consiglio | 15 | Son | — | Ohio |
| 47 | Florence Consiglio | 11 | Daughter | — | Ohio |
| 48 | Emile Goulot | 43 | Head | Tool Maker | New Hampshire |
| 49 | Yvonne Goulot | 34 | Wife | — | Canada-French |
| 50 | Jeannette Goulot | 12 | Daughter | — | Massachusetts |
| 51 | Walter Bloom | 42 | Head | Grocer | Poland |
| 52 | Beatrice Bloom | 36 | Wife | Grocer | Pennsylvania |
| 53 | Walter Bloom | 14 | Son | — | Ohio |
| 54 | Raymond Bloom | 9 | Son | — | Ohio |
| 55 | Carol Jean Bloom | 3 | Daughter | — | Ohio |
| 56 | Herman Meyer | 57 | Head | Air Brake Dept. | Indiana |
| 57 | Olive Meyer | 52 | Wife | — | Michigan |
| 58 | Betty Meyer | 20 | Daughter | — | Indiana |
| 59 | Ted Meyer | 17 | Son | — | Ohio |
| 60 | Bernard Rein | 50 | Head | Machinist | Illinois |
| 61 | Margaret Rein | 44 | Wife | — | Ohio |
| 62 | Bernice Rein | 24 | Daughter | Assistant Cook | Ohio |
| 63 | Josephine Rein | 21 | Daughter | House Work | Ohio |
| 64 | Elizabeth Rein | 12 | Daughter | — | Ohio |
| 65 | James Mcdermott THIS PERSON | 61 | Head | Draftsman | Ohio |
| 66 | Nellie Mcdermott | 56 | Wife | — | Ohio |
| 67 | Florence Mcdermott | 33 | Daughter | House Work | Ohio |
| 68 | Jerome Fredrick | 34 | Head | Salesman | Pennsylvania |
| 69 | Eunice Fredrick | 34 | Wife | — | Pennsylvania |
| 70 | Martha Fredrick | 13 | Daughter | — | Pennsylvania |
| 71 | Nancy Fredrick | 9 | Daughter | — | Pennsylvania |
| 72 | Jerome Jr. Fredrick | 7 | Son | — | Ohio |
| 73 | Fred W. Petzel | 65 | Head | Machinist | Germany |
| 74 | Meta Petzel | 52 | Wife | — | Germany |
| 75 | Romer Schultz | 57 | Brother | Machinist | Germany |
| 76 | Elver Porter | 44 | Head | Blacksmith | Ohio |
| 77 | Florence Porter | 36 | Wife | — | Pennsylvania |
| 78 | Edna Porter | 16 | Daughter | — | Ohio |
| 79 | Henry Porter | 13 | Son | — | Ohio |
| 80 | Patricia Porter | 1 | Daughter | — | 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)