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Mildred Hall — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Mildred Hall across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 10-person household.
Age 20
b. ~1920
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Hall |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Industry | New Worker |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1920 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Charles Hall | Son | — | 14 | ~1926 |
| Marguerite Hall | Daughter | — | 15 | ~1925 |
| John Hall | Son | — | 19 | ~1921 |
| Howard Hall | Son | — | 8 | ~1932 |
| James Hall | Son | — | 16 | ~1924 |
| Walter Hall | Son | — | 13 | ~1927 |
| Catherine Hall | Spouse | — | 50 | ~1890 |
| Mildred Hall | Daughter | — | 20 | ~1920 |
| James Hall | Head | — | 55 | ~1885 |
| William Hall | Son | — | 10 | ~1930 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 10
Baltimore, Maryland · implied b. ~1920 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 20
Baltimore-City-County, Maryland · implied b. ~1920 — 10 household members
| Surname | Hall |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Industry | New Worker |
| Highest Grade | Hs 2 |
| 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 Mildred Hall across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mildred Hall
Daughter · 1940 · age 20 · b. ~1920 · Maryland
★ You are viewing this record
Sibling
James Hall
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hall
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marguerite Hall
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hall
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Hall
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Hall
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Hall
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-t0627-01525-00668)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vernon C Slager | 45 | Head | Route Man | Maryland |
| 2 | Hilda M Slager | 43 | Wife | — | Maryland |
| 3 | Thelma Slager | 21 | Daughter | — | Maryland |
| 4 | Helen Skinner | 34 | Lodger | Secretary | Maryland |
| 5 | Mary Hatton | 43 | Head | Seamstress | Virginia |
| 6 | James R Clements | 46 | Head | — | Maryland |
| 7 | Edna B Clements | 46 | Wife | — | Maryland |
| 8 | Constance Clements | 16 | Daughter | — | Maryland |
| 9 | Ruth Clements | 15 | Daughter | — | Maryland |
| 10 | George T Pilchard | 52 | Head | Clerical | Maryland |
| 11 | Lillian Pilchard | 51 | Wife | Caretaker | Maryland |
| 12 | Arthur Callahan | 26 | Head | — | Virginia |
| 13 | Marian Callahan | 24 | Wife | Truck Driver | Pennsylvania |
| 14 | Chester K Kilmer | 41 | Head | — | Maryland |
| 15 | Mary E Kilmer | 39 | Wife | Freight Conductor | Maryland |
| 16 | Angela Kilmer | 12 | Daughter | — | Maryland |
| 17 | Sylvester Mattingly | 26 | Brother-in-law | — | Maryland |
| 18 | Dora A Mattingly | 61 | Mother-in-law | Salesman | Maryland |
| 19 | Llewellyn Arnold | 34 | Head | — | Rhode Is |
| 20 | Hildegarde Arnold | 41 | Wife | Accountant | Texas |
| 21 | Llewellyn Jr Arnold | 12 | Son | — | Maryland |
| 22 | James P Morgan | 26 | Head | — | Maryland |
| 23 | Mary V Morgan | 25 | Wife | Stationary Eng. Engineer | Maryland |
| 24 | Patricia M Morgan | 2 | Daughter | — | Maryland |
| 25 | James P Jr Morgan | 0 | Son | — | Maryland |
| 26 | James F Hall | 55 | Head | — | Maryland |
| 27 | Catherine M Hall | 50 | Wife | — | Maryland |
| 28 | Mildred Hall THIS PERSON | 20 | Daughter | — | Maryland |
| 29 | John Hall | 19 | Son | Usher | Maryland |
| 30 | James Jr Hall | 16 | Son | Usher | Maryland |
| 31 | Marguerite Hall | 15 | Daughter | — | Maryland |
| 32 | Charles Hall | 14 | Son | — | Maryland |
| 33 | Walter Hall | 13 | Son | — | Maryland |
| 34 | William Hall | 10 | Son | — | Maryland |
| 35 | Howard Hall | 8 | Son | — | Maryland |
| 36 | Harry Ryan | 55 | Head | Barber | Maryland |
| 37 | Anna K Ryan | 45 | Wife | — | Maryland |
| 38 | Eleanor Ryan | 15 | Daughter | — | Maryland |
| 39 | Harry M Jr Ryan | 7 | Son | — | Maryland |
| 40 | Quong Wing | 42 | Head | Laundryman | China |
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)