DB
Doris Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Doris Brown across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Jane & James — first a head (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Female
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Brown |
| Given Name | Doris |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1918 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Doris | Age | Birth yr |
|---|---|---|---|---|
| Doris Brown | Head | — | 22 | ~1918 |
| William Brown | Son | — | 2 | ~1938 |
| William Brown | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 2
Baltimore, Maryland · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Doris |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
Daughter, age 12
Baltimore, Maryland · implied b. ~1918 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Dora |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| 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
Head, age 22
Baltimore-City-County, Maryland · implied b. ~1918 — 3 household members
| Surname | Brown |
| Given Name | Doris |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Doris Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Jane Demby (~0.92 confidence) and father James Johnson (~0.92 confidence) and mother Oris Brown (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Jane Demby
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
James Johnson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Oris Brown
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Doris Brown
Head · 1940 · age 22 · b. ~1918 · 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-t0627-01531-00137)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Artaville Thompson | 35 | Head | Labor | Maryland |
| 2 | Eva Thompson | 37 | Wife | Press | Virginia |
| 3 | Ruth Thompson | 8 | Daughter | — | Maryland |
| 4 | Laura Butcher | 59 | Mother-in-law | Housework | Virginia |
| 5 | Lucy Chambers | 30 | Sister-in-law | — | Virginia |
| 6 | Alice Jones | 34 | Head | Housework | Virginia |
| 7 | Mary Green | 32 | Partner | Housework | Virginia |
| 8 | Asa Green | 39 | Husband | Gardener | North Carolina |
| 9 | William Lee | 34 | Head | Contractor | Maryland |
| 10 | Evelyn Briscoe | 30 | Lodger | Housework | Maryland |
| 11 | Simpson Byrum | 24 | Head | — | North Carolina |
| 12 | Idessa Byrum | 21 | Wife | — | Maryland |
| 13 | Simpson Byrum | 5 | Son | — | Maryland |
| 14 | Carolyn Byrum | 3 | Daughter | — | Maryland |
| 15 | Nellon Byrum | 3 | Daughter | — | Maryland |
| 16 | Jasper Davis | 43 | Head | Labor | North Carolina |
| 17 | Martha Davis | 38 | Wife | — | South Carolina |
| 18 | Henry Butler | 30 | Head | Labor | South Carolina |
| 19 | Mary Butler | 29 | Wife | Housework | South Carolina |
| 20 | William Butler | 11 | Son | — | South Carolina |
| 21 | Linny Myrick | 30 | Head | Labor | Georgia |
| 22 | Ruth Myrick | 28 | Wife | — | Georgia |
| 23 | Eva Jones | 45 | Head | — | Maryland |
| 24 | Isaiah Jones | 48 | Husband | — | Maryland |
| 25 | Leroy Jones | 19 | Son | Utility Room | Maryland |
| 26 | Eugenia Jones | 15 | Son | — | Maryland |
| 27 | Delores Jones | 10 | Daughter | — | Maryland |
| 28 | Lorenzo Warren | 53 | Head | Merchant Marine | England |
| 29 | Joseph S. Brooks | 50 | Head | Porter | Maryland |
| 30 | Virginia Brooks | 44 | Wife | — | Maryland |
| 31 | Joseph D. Brooks | 17 | Son | New Worker | Maryland |
| 32 | Walter P. Brooks | 14 | Son | — | Maryland |
| 33 | Paul O. Brooks | 10 | Son | — | Maryland |
| 34 | Grover C. Drummond | 44 | Head | Furnaceman | South Carolina |
| 35 | Mamie Drummond | 43 | Wife | Housework | South Carolina |
| 36 | Clemins Dorsey | 70 | Head | — | Maryland |
| 37 | Rebecca Dorsey | 67 | Wife | — | Maryland |
| 38 | Doris Brown THIS PERSON | 22 | Head | — | Maryland |
| 39 | William Brown | 31 | Husband | Labor | Virginia |
| 40 | William Jr. Brown | 2 | Son | — | Maryland |
Related Census Records
Pedigree Summary
Doris
Gen 1 · 3 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)