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William Douglas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Davidson-County, Tennessee
Our Model Tree links this William Douglas across the 1920, 1930 and 1940 US Censuses in Davidson-County, Tennessee (XGBoost, ~Confirmed), with identified parents Emma — first a son (b.~1911), then head of a 2-person household.
Age 29
b. ~1911
Male
Son
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Davidson-County, Tennessee |
| Surname | Douglas |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Nashville |
| 1935 Residence (County) | Davidson |
| Additional Details | |
| Occupation | Carrier |
| Industry | U.S. Mail |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 222 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Carrier |
| Township / Ward | Nashville |
| Est. Birth Year | ~1911 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Emma Douglas | Head | — | 68 | ~1872 |
| William Douglas | Son | — | 29 | ~1911 |
Census Appearances
1920
Davidson, Tennessee
Son, age 9
Davidson, Tennessee · implied b. ~1911
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Douglas |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Davidson, Tennessee
Son, age 19
Davidson, Tennessee · implied b. ~1911 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglass |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Clerk |
| Industry | Western Union |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Davidson-County, Tennessee
Son, age 29
Davidson-County, Tennessee · implied b. ~1911 — 2 household members
| Surname | Douglas |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Nashville |
| 1935 Residence (County) | Davidson |
| Occupation | Carrier |
| Industry | U.S. Mail |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 222 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Douglas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Emma Douglass (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Emma Douglass
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Douglas
Son · 1940 · age 29 · b. ~1911 · Tennessee
★ 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 — Davidson-County, Tennessee
Open full size
1940 US Federal Census — Davidson-County, Tennessee
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-03975-00138)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alvin L. Jr. Fisher | 12 | Son | — | Tennessee |
| 2 | Lily B. Mullins | 47 | Head | Interrupt | Tennessee |
| 3 | Alma R. Mullins | 27 | Daughter | Operator | Tennessee |
| 4 | Virginia I. Mullins | 25 | Daughter | Teacher | Tennessee |
| 5 | Luster G. Pugh | 37 | Head | Blacksmith | Tennessee |
| 6 | Rose L. Pugh | 37 | Wife | — | Tennessee |
| 7 | Jewel J. Pugh | 15 | Daughter | — | Tennessee |
| 8 | Ella M. Smithson | 61 | Mother-in-law | — | Tennessee |
| 9 | Charles B. Glover | 44 | Head | Moulder | Tennessee |
| 10 | Charlotte E. Glover | 35 | Wife | — | Missouri |
| 11 | Nellie Lovell | 65 | Head | — | Tennessee |
| 12 | Margaret H. Lovell | 27 | Daughter | New Worker | Tennessee |
| 13 | Marvin H. Lovell | 20 | Son | Inspector | Tennessee |
| 14 | Felix H. Coleman | 71 | Head | — | Tennessee |
| 15 | Carrie A. Coleman | 72 | Wife | — | Tennessee |
| 17 | Horace H. Simmons | 61 | Head | — | Tennessee |
| 18 | Bee M. Simmons | 61 | Wife | — | Tennessee |
| 19 | Eddie Emanuel | 68 | Head | — | Tennessee |
| 20 | Ethel E. Ethridge | 36 | Head | Dressmaking | Tennessee |
| 21 | Louisa E. Ethridge | 18 | Daughter | — | Tennessee |
| 22 | Katherine Ethridge | 15 | Daughter | — | Tennessee |
| 23 | Laura Hooper | 71 | Mother | — | Tennessee |
| 27 | Emma W. Douglas | 68 | Head | — | Tennessee |
| 28 | William R. Douglas THIS PERSON | 29 | Son | Carrier | Tennessee |
| 29 | Robert L. Tidwell | 25 | Head | Laborer | Tennessee |
| 30 | Lera E. Tidwell | 22 | Wife | — | Tennessee |
| 31 | Woodrow W. Worthen | 22 | Head | Laborer | Tennessee |
| 32 | Frances G. Worthen | 20 | Wife | — | Tennessee |
| 33 | Robert W. Worthen | 0 | Son | — | Tennessee |
| 34 | Robert H. May | 49 | Head | Salesman | Tennessee |
| 35 | Virginia T. May | 45 | Wife | — | Tennessee |
| 36 | Elshore W. May | 20 | Son | Puncher | Tennessee |
| 37 | Phillip H. May | 18 | Son | Clerk | Tennessee |
| 38 | Christine May | 13 | Daughter | — | Tennessee |
| 39 | Billy J. May | 10 | Daughter | — | Tennessee |
| 40 | Bruce A. May | 5 | Son | — | Tennessee |
Pedigree Summary
William
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)