WD
William Douglas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this William Douglas across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents William & Ambrose — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Douglas |
| Given Name | William, Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Stock clerk |
| Industry | Mail order department store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 66 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Stock Clerk |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1919 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Douglas | Head | — | 61 | ~1879 |
| Lillian Cooper | Other | — | 68 | ~1872 |
| Terrance Donohue | Other | — | 67 | ~1873 |
| John Young | Other | — | 23 | ~1917 |
| William Douglas | Son | — | 21 | ~1919 |
| Marie Douglas | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Baltimore, Maryland
Son, age
Baltimore, Maryland · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | William H. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 10
Baltimore, Maryland · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 21
Baltimore-City-County, Maryland · implied b. ~1919 — 6 household members
| Surname | Douglas |
| Given Name | William, Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Stock clerk |
| Industry | Mail order department store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 66 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 William Douglas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Douglas (~0.92 confidence) and father Ambrose Douglas (~0.92 confidence) and mother Marie Douglas (~0.92 confidence) and mother Henrietta Douglas (~0.92 confidence) and mother Marie Douglas (~0.92 confidence) and father William Douglas (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Douglas
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Ambrose Douglas
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Marie Douglas
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Henrietta Douglas
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Marie Douglas
b. ~1895
Source mother
● Household
· direct · ~0.92
Father
William Douglas
b. ~1895
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Douglas
Son · 1940 · age 21 · b. ~1919 · Maryland
★ 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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01518-00539)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Hammerbacher | 63 | Head | Domestic | Maryland |
| 2 | Thomas S. Bamberger | 37 | Head | Supply And Commissary | Maryland |
| 3 | Gertrude W. Bamberger | 27 | Wife | Packer | Maryland |
| 4 | Hubert H. Gilliland | 36 | Head | Pain Heater | Ohio |
| 5 | Arthur E. Comfort | 37 | Lodger | Cab Driver | Maryland |
| 6 | John K. Mciver | 62 | Head | Builder | North Carolina |
| 7 | Carrie Joy | 46 | Lodger | Seamstress | Delaware |
| 8 | William Douglas | 61 | Head | Painter | Sweden |
| 9 | Marie L. Douglas | 57 | Wife | — | Connecticut |
| 10 | William, Jr. Douglas THIS PERSON | 21 | Son | Stock Clerk | Maryland |
| 11 | Lillian Cooper | 68 | Lodger | Housekeeper | West Virginia |
| 12 | John W. Young | 23 | Lodger | Helper | Maryland |
| 13 | Terrance A. Donohue | 67 | Lodger | Insurance Salesman | Maryland |
| 14 | Margaret L. Dorsey | 77 | Head | — | Maryland |
| 15 | H. Palmer Chase | 64 | Head | — | Maryland |
| 16 | Harold Kellinger-Stafford | 30 | Head | Medical Technician-First Aid | Michigan |
| 17 | David I. Dehny | 68 | Head | Salesman | South Carolina |
| 18 | Sidney Cross | 70 | Head | Bookkeeper | New York |
| 19 | Georgia C. Crook | 64 | Head | — | Maryland |
| 20 | Jesse L. Crook | 26 | Son | Engineer (Stationary) | Maryland |
| 21 | James A. Chalk | 77 | Head | Book-Keeper | Maryland |
| 22 | Margaret T. Chalk | 75 | Wife | — | Maryland |
| 23 | Cora Mason | 57 | Lodger | Seamstress | Virginia |
| 24 | Perrin | None | Lodger | — | — |
| 25 | — | None | Lodger | — | — |
| 26 | Julien Jones | 27 | Lodger | Dancer | Illinois |
| 27 | James Wiley | 24 | Lodger | Dancer | Maryland |
| 28 | William J. Dailey | 33 | Lodger | Decorator | Alabama |
| 29 | Milton Muth | 60 | Lodger | Electrician | Maryland |
| 30 | Bertram Lafferty | 30 | Lodger | Engineer | Maryland |
| 31 | Mollie Hedlick | 77 | Lodger | — | Maryland |
| 32 | Chester E. Appler | 22 | Lodger | Maintenance | Ohio |
| 33 | Thelma Appler | 25 | Lodger | Waitress | Ohio |
| 34 | Anna A. Della | 66 | Head | Tailor | Maryland |
| 35 | Katherine Mantell | 78 | Head | — | Maryland |
| 36 | Clara E. Sherby | 51 | Head | Landlady | Virginia |
| 37 | Darrell (Abs) Sherby | 30 | Son | Model And Salesman | New Jersey |
| 38 | Fred Hill | 35 | Lodger | Salesman | Maryland |
| 39 | Muriel Blumberg | 35 | Lodger | — | — |
| 40 | Joseph S. Blumberg | 43 | Head | Horseman | New York |
Related Census Records
Pedigree Summary
William
Gen 1 · 6 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)