TM
Thomas Mcdermott — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delta-County, Michigan
Our Model Tree links this Thomas Mcdermott across the 1930 and 1940 US Censuses in Delta-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delta-County, Michigan |
| Surname | McDermott |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Escanaba |
| 1935 Residence (County) | Delta |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Escanaba |
| Est. Birth Year | ~1930 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mabel Mcdermott | Spouse | — | 33 | ~1907 |
| George Mcdermott | Head | — | 40 | ~1900 |
| William Mcdermott | Son | — | 21 | ~1919 |
| Rosemary Mcdermott | Daughter | — | 16 | ~1924 |
| Thomas Mcdermott | Son | — | 10 | ~1930 |
| John Mcdermott | Son | — | 12 | ~1928 |
| Kathleen Mcdermott | Daughter | — | 14 | ~1926 |
| Edward Mcdermott | Son | — | 19 | ~1921 |
| Joan Mcdermott | Daughter | — | 20 | ~1920 |
| Helen Mcdermott | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Delta, Michigan
Son, age
Delta, Michigan · implied b. ~1930 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | Thomas P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Delta-County, Michigan
Son, age 10
Delta-County, Michigan · implied b. ~1930 — 10 household members
| Surname | McDermott |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Escanaba |
| 1935 Residence (County) | Delta |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Mcdermott across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Mcdermott
Son · 1940 · age 10 · b. ~1930 · Michigan
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Sibling
John Mcdermott
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mcdermott
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mcdermott
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mcdermott
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Mcdermott
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Mcdermott
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Mcdermott
Sibling · 1940 · age 16
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 — Delta-County, Michigan
Open full size
1940 US Federal Census — Delta-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01745-00346)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Merrill Desmond | 22 | Head | Truck Driver | Michigan |
| 2 | Janet Desmond | 21 | Wife | — | Michigan |
| 3 | Baby W. Long | 61 | Head | Appraiser | Canada-English |
| 4 | Emily Long | 61 | Wife | — | Wales |
| 5 | Bert M. Howe | 42 | Head | Traveling Agent | South Dakota |
| 6 | Mary Howe | 33 | Wife | — | Michigan |
| 7 | William Howe | 16 | Son | — | Wyoming |
| 8 | Marjorie Howe | 14 | Daughter | — | Wyoming |
| 9 | Richard Howe | 11 | Son | — | Michigan |
| 10 | Joanne Blomstrom | 7 | Daughter | — | Michigan |
| 11 | Luke French | 81 | Head | — | Canada-English |
| 12 | Dora French | 78 | Wife | — | Canada-English |
| 13 | Earl G. French | 54 | Son | Proprietor | Canada-English |
| 14 | Doris French | 22 | Daughter-in-law | — | Michigan |
| 15 | George Mcdermott | 40 | Head | Conductor | Michigan |
| 16 | Mabel Mcdermott | 33 | Wife | — | Michigan |
| 17 | William Mcdermott | 21 | Son | Chauffeur | Wisconsin |
| 18 | Joan Mcdermott | 20 | Daughter | Stenographer | Michigan |
| 19 | Edward Mcdermott | 19 | Son | Office Clerk | Michigan |
| 20 | Helen Mcdermott | 17 | Daughter | — | Michigan |
| 21 | Rosemary Mcdermott | 16 | Daughter | — | Michigan |
| 22 | Kathleen Mcdermott | 14 | Daughter | — | Michigan |
| 23 | John Mcdermott | 12 | Son | — | Michigan |
| 24 | Thomas Mcdermott THIS PERSON | 10 | Son | — | Michigan |
| 25 | Thomas M. Judson | 73 | Head | Proprietor | Michigan |
| 26 | Lillabelle Judson | 75 | Wife | — | Indiana |
| 27 | William Warmington | 55 | Head | Cashier | Michigan |
| 28 | Edith Warmington | 55 | Wife | — | Michigan |
| 29 | Harlan Yelland | 34 | Head | Attorney | Michigan |
| 30 | Edith Yelland | 40 | Wife | — | New York |
| 31 | Judd Yelland | 5 | Son | — | Michigan |
| 32 | Harlan Jr. Yelland | 4 | Son | — | Michigan |
| 33 | Robert Yelland | 1 | Son | — | Michigan |
| 34 | Agnes Anderson | 22 | Maid | Maid | Michigan |
| 35 | Margaret Ranspach | 65 | Head | — | Canada-English |
| 36 | George Jr. Ranspach | 19 | Grandson | Filing Clerk | Michigan |
| 37 | Ann Webb | 62 | Lodge | — | Ohio |
| 38 | Howard Newman | 49 | Head | Proprietor | Michigan |
| 39 | Edna Newman | 48 | Wife | — | North Dakota |
| 40 | Corrine Pellie | 63 | Head | Maid | Canada-French |
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)