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James Mcdermott — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Douglas-County, Nebraska
Our Model Tree links this James Mcdermott across the 1920, 1930 and 1940 US Censuses in Douglas-County, Nebraska (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 5-person household.
Age 74
b. ~1866
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Douglas-County, Nebraska |
| Surname | McDermott |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Omaha City |
| 1935 Residence (County) | Douglas |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Omaha City |
| Est. Birth Year | ~1866 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Mcdermott | Head | — | 74 | ~1866 |
| Leo Mcdermott | Son | — | 49 | ~1891 |
| Joseph Mcdermott | Son | — | 46 | ~1894 |
| Edward Mcdermott | Son | — | 38 | ~1902 |
| Ann Mcdermott | Spouse | — | 72 | ~1868 |
Census Appearances
1920
Douglas, Nebraska
Head, age 52
Douglas, Nebraska · implied b. ~1868 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kentucky |
| Occupation | Shipper |
| Industry | Dry Goods Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Year of Naturalization | R |
| Birthplace (normalized) | iowa |
1930
Douglas, Nebraska
Head, age 63
Douglas, Nebraska · implied b. ~1867 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | James M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 20 |
| Father's Birthplace | New York |
| Mother's Birthplace | Kentucky |
| Occupation | Salesman (Commercial) |
| Industry | Wholesale Dry Goods |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 8,000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Douglas-County, Nebraska
Head, age 74
Douglas-County, Nebraska · implied b. ~1866 — 5 household members
| Surname | McDermott |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Omaha City |
| 1935 Residence (County) | Douglas |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 74 · b. ~1866 · Nebraska
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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 — Douglas-County, Nebraska
Open full size
1940 US Federal Census — Douglas-County, Nebraska
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02273-00231)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martin C. Drennel | 51 | Head | Salesman | Illinois |
| 2 | Marie Drennel | 52 | Wife | — | Kansas |
| 3 | Jerry Drennel | 22 | Daughter | Clerk | Nebraska |
| 4 | James W. Trieke | 67 | Head | — | Germany |
| 5 | Mary Trieke | 67 | Wife | — | Germany |
| 6 | Ruby Trieke | 37 | Daughter | Telephone Operator | Nebraska |
| 7 | Rosa Knevelhorn | 65 | Head | Manager | Nebraska |
| 8 | Theodore Knevelhorn | 41 | Son | Carpenter | Nebraska |
| 9 | George Kinesid | 47 | Head | Carpenter | Kansas |
| 10 | Beatrice Kinesid | 37 | Wife | — | Nebraska |
| 11 | John Wendell | 46 | Head | Brake Man | Nebraska |
| 12 | Marie Wendell | 30 | Wife | — | Nebraska |
| 13 | Josephine Wendell | 24 | Daughter | Clerical | Nebraska |
| 14 | John Wendell | 22 | Son | Clerk | Nebraska |
| 15 | George Harris | 38 | Head | Traveling Salesman | Mississippi |
| 16 | Marie Harris | 35 | Wife | — | Missouri |
| 17 | June Harris | 5 | Daughter | — | Nebraska |
| 18 | Ruth Harris | 4 | Daughter | — | Nebraska |
| 19 | James Mcdermott THIS PERSON | 74 | Head | — | Iowa |
| 20 | Ann Mcdermott | 72 | Wife | — | Illinois |
| 21 | Leo Mcdermott | 49 | Son | Salesman | Minnesota |
| 22 | Joseph Mcdermott | 46 | Son | Manager | Nebraska |
| 23 | Edward Mcdermott | 38 | Son | Clerk | Nebraska |
| 24 | Clara Sheerer | 35 | Head | Private Secretary | Iowa |
| 25 | Darrell Sheerer | 10 | Son | — | Nebraska |
| 26 | Dolores Sheerer | 6 | Daughter | — | Nebraska |
| 27 | Mack Gloss | 66 | Boarder | — | Austria |
| 28 | John Shepherd | 38 | Head | Truck Driver | Iowa |
| 29 | Mildred Shepherd | 31 | Wife | — | Missouri |
| 30 | Walter P. Bowers | 54 | Head | Farmer | Nebraska |
| 31 | Alice Bowers | 51 | Wife | — | Texas |
| 32 | Jesse Salzman | 23 | Head | Cashier | Texas |
| 33 | Waunita Salzman | 16 | Wife | — | Nebraska |
| 34 | Maude Karff | 32 | Head | Beauty Operator | Iowa |
| 35 | Mary Karff | 14 | Wife | — | Iowa |
| 36 | Mark Matthews | 56 | Head | Manufacturer | Iowa |
| 37 | Gertrude Matthews | 53 | Wife | — | Iowa |
| 38 | Ralph C. Nelson | 37 | Head | Salesman | Nebraska |
| 39 | Marion Nelson | 33 | Wife | — | Nebraska |
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)