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John Douglas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Somerset-County, Maryland
Our Model Tree links this John Douglas across the 1930 and 1940 US Censuses in Somerset-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 14-person household.
Age 48
b. ~1892
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Somerset-County, Maryland |
| Surname | Douglas |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Dublin District |
| 1935 Residence (County) | Somerset |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 1 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farmer |
| Township / Ward | Dublin District |
| Est. Birth Year | ~1892 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Della Douglas | Daughter | — | 5 | ~1935 |
| Bernice Douglas | Daughter | — | 7 | ~1933 |
| Mollie Douglas | Daughter | — | 12 | ~1928 |
| Louise Douglas | Daughter | — | 2 | ~1938 |
| Patricia Douglas | Daughter | — | 3 | ~1937 |
| John Douglas | Head | — | 48 | ~1892 |
| Theodore Douglas | Son | — | 1 | ~1939 |
| Stewart Douglas | Son | — | 15 | ~1925 |
| Clarence Douglas | Son | — | 6 | ~1934 |
| James Douglas | Son | — | 13 | ~1927 |
| Freddie Douglas | Son | — | 11 | ~1929 |
| George Douglas | Son | — | 14 | ~1926 |
| Wallace Douglas | Son | — | 10 | ~1930 |
| Ardella Douglas | Spouse | — | 33 | ~1907 |
Census Appearances
1930
Somerset, Maryland
Head, age 41
Somerset, Maryland · implied b. ~1889 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | Joe |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 19 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | No |
| Home Owned/Rented | R |
| Home Value / Rent | 3 |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Somerset-County, Maryland
Head, age 48
Somerset-County, Maryland · implied b. ~1892 — 14 household members
| Surname | Douglas |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Dublin District |
| 1935 Residence (County) | Somerset |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 1 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 John Douglas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Douglas
Head · 1940 · age 48 · b. ~1892 · Maryland
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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 — Somerset-County, Maryland
Open full size
1940 US Federal Census — Somerset-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01560-00108)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Matthews | 26 | Hired Hand | Laborer | Delaware |
| 2 | Jesse P. Adams | 66 | Head | Farmer | Maryland |
| 3 | Ida B. Adams | 51 | Wife | — | Maryland |
| 4 | Russell Adams | 31 | Son | Laborer | Maryland |
| 5 | Marion Lee Adams | 23 | Son | Laborer | Maryland |
| 6 | Henry M. Handy | 49 | Head | Laborer | Maryland |
| 7 | Amelia Handy | 35 | Wife | — | Maryland |
| 8 | Annie L. Thompson | 54 | Head | Farmer | Maryland |
| 9 | Alfred S. Thompson | 56 | Husband | — | Maryland |
| 10 | Blanche Beckett | 36 | Servant | Laborer | Maryland |
| 11 | Laura Hargis | 46 | Servant | — | Virginia |
| 12 | Fred Mapps | 60 | Head | Laborer | Virginia |
| 13 | Fred Adams | 50 | Head | Farmer | Maryland |
| 14 | Mary K. Adams | 49 | Wife | — | Maryland |
| 15 | Eloise M. Adams | 22 | Daughter | — | Maryland |
| 16 | James F. Adams | 20 | Son | Laborer | Maryland |
| 17 | Lee Onley | 28 | Head | Laborer | Virginia |
| 18 | Nelson Parker | 69 | Lodger | Laborer | Maryland |
| 19 | Richard Truitt | 54 | Head | Farmer | Maryland |
| 20 | Elsie E. Truitt | 42 | Wife | — | Maryland |
| 21 | Richard J. Truitt | 9 | Son | — | Maryland |
| 22 | Janet M. Truitt | 3 | Daughter | — | Maryland |
| 23 | John Douglas THIS PERSON | 48 | Head | Farmer | Maryland |
| 24 | Ardella Douglas | 33 | Wife | — | Maryland |
| 25 | Stewart Douglas | 15 | Son | Laborer | Maryland |
| 26 | George Douglas | 14 | Son | Laborer | Maryland |
| 27 | James Douglas | 13 | Son | — | Maryland |
| 28 | Mollie Douglas | 12 | Daughter | — | Maryland |
| 29 | Freddie Douglas | 11 | Son | — | Maryland |
| 30 | Wallace Douglas | 10 | Son | — | Maryland |
| 31 | Bernice Douglas | 7 | Daughter | — | Maryland |
| 32 | Clarence Douglas | 6 | Son | — | Maryland |
| 33 | Della May Douglas | 5 | Daughter | — | Maryland |
| 34 | Patricia Douglas | 3 | Daughter | — | Maryland |
| 35 | Louise Douglas | 2 | Daughter | — | Maryland |
| 36 | Theodore Douglas | 1 | Son | — | Maryland |
| 37 | Roger D. Swift | 47 | Head | Farmer | Maryland |
| 38 | Myrtle Swift | 47 | Wife | — | Maryland |
| 39 | Emory J. Walker | 24 | Step-son | Laborer | Maryland |
| 40 | Amos L. Boston | 39 | Head | Laborer | Maryland |
Related Census Records
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)