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Marie Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Marie Brown across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 6-person household.
Age 18
b. ~1922
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Brown |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Maid |
| Industry | Pvt Family |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 350 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Maid |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1922 |
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 Marie | Age | Birth yr |
|---|---|---|---|---|
| Marie Brown | Daughter | — | 18 | ~1922 |
| Whitley Brown | Daughter | — | 8 | ~1932 |
| Naomia Brown | Daughter | — | 12 | ~1928 |
| Lottie Brown | Head | — | 39 | ~1901 |
| James Brown | Son | — | 10 | ~1930 |
| Henry Brown | Son | — | 14 | ~1926 |
Census Appearances
1930
Baltimore, Maryland
Other, age 7
Baltimore, Maryland · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Marie |
| Relationship to Head | cousin |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 18
Baltimore-City-County, Maryland · implied b. ~1922 — 6 household members
| Surname | Brown |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Occupation | Maid |
| Industry | Pvt Family |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 350 |
| Highest Grade | 8 |
| 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 Marie Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Brown
Daughter · 1940 · age 18 · b. ~1922 · Maryland
★ You are viewing this record
Sibling
Naomia Brown
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Brown
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Brown
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Whitley Brown
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01526-00644)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nathan H Moulden | 33 | Head | Laborer | Maryland |
| 2 | Lillian K Moulden | 30 | Wife | — | Maryland |
| 3 | Bernard Moulden | 9 | Son | — | Maryland |
| 4 | Nathan J Jr Moulden | 8 | Son | — | Maryland |
| 5 | James Moulden | 5 | Son | — | Maryland |
| 6 | Lillian K Moulden | 2 | Daughter | — | Maryland |
| 7 | Herman Colbert | 63 | Head | — | Maryland |
| 8 | Julia Colbert | 56 | Wife | Maid Cook | Virginia |
| 9 | Mamie Colbert | 43 | Sister | Maid | Maryland |
| 10 | Ollie Fitting | 44 | Head | Gen Houseworker | Maryland |
| 11 | Calvin Fitting | 28 | Son | Porter | Maryland |
| 12 | Alfred Fitting | 18 | Son | — | Maryland |
| 13 | Catharine Fitting | 16 | Daughter | — | Maryland |
| 14 | Rachel Fitting | 14 | Daughter | — | Maryland |
| 15 | Edward Fitting | 10 | Son | — | Maryland |
| 16 | Mamie Reed | 56 | Head | Seamstress | Maryland |
| 17 | Joseph Reed | 57 | Husband | — | Maryland |
| 18 | Joseph Day | 49 | Head | Longshoreman | Virginia |
| 19 | Alice Day | 46 | Wife | — | Virginia |
| 20 | Samuel Day | 13 | Son | — | Maryland |
| 21 | Ruby Day | 8 | Daughter | — | Maryland |
| 22 | Delores Day | 4 | Daughter | — | Maryland |
| 23 | Henry J Cousin | 30 | Head | Laborer | Maryland |
| 24 | Carrie Cousin | 39 | Wife | Maid | Georgia |
| 25 | Walter M Smith | 18 | Step-son | — | Maryland |
| 26 | Mary L Cousin | 9 | Daughter | — | Maryland |
| 27 | Vivian Cousin | 7 | Daughter | — | Maryland |
| 28 | Donald Smith | 4 | Son | — | Maryland |
| 29 | Estelle Smith | 3 | Daughter | — | Maryland |
| 30 | Lottie Brown | 39 | Head | Gen Houseworker | Maryland |
| 31 | Marie Brown THIS PERSON | 18 | Daughter | Maid | Maryland |
| 32 | Henry Brown | 14 | Son | — | Maryland |
| 33 | Naomia Brown | 12 | Daughter | — | Maryland |
| 34 | James Brown | 10 | Son | — | Maryland |
| 35 | Whitley Brown | 8 | Daughter | — | Maryland |
| 36 | Dottie Battle | 47 | Head | Gen Houseworker | Maryland |
| 37 | Marie Battle | 17 | Daughter | Maid | Maryland |
| 38 | Naomia Battle | 12 | Daughter | — | Maryland |
| 39 | Henry Battle | 10 | Son | — | Maryland |
| 40 | James Battle | 8 | Son | — | 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)