MH
Martha Hill — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Martha Hill across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Hill |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore city |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1925 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Martha Hill | Daughter | — | 10 | ~1930 |
| Ida Hill | Daughter | — | 17 | ~1923 |
| Shirley Hill | Daughter | — | 5 | ~1935 |
| Goldie Hill | Daughter | — | 3 | ~1937 |
| Genevia Hill | Daughter | — | 18 | ~1922 |
| Martha Hill | Daughter | — | 15 | ~1925 |
| Charles Hill | Head | — | 41 | ~1899 |
| William Hill | Son | — | 3 | ~1937 |
| Thomas Hill | Son | — | 8 | ~1932 |
| Charles Hill | Son | — | 11 | ~1929 |
| Ida Hill | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 5
Baltimore, Maryland · implied b. ~1925 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 5 |
| 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
Daughter, age 15
Baltimore-City-County, Maryland · implied b. ~1925 — 11 household members
| Surname | Hill |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore city |
| 1935 Residence (County) | Baltimore City |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 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 Martha Hill across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Hill
Daughter · 1940 · age 15 · b. ~1925 · Maryland
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Sibling
Martha Hill
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Goldie Hill
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hill
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevia Hill
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Hill
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Hill
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Hill
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Hill
Sibling · 1940 · age 17
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-t0627-01535-00170)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ida Jones | 26 | Wife | — | Maryland |
| 42 | Bernice Jones | 4 | Daughter | — | Maryland |
| 43 | Pearl Jones | 3 | Daughter | — | Maryland |
| 44 | Joseph Jones | 1 | Son | — | Maryland |
| 45 | Hattie Roach | 37 | Head | Serving Maid | Maryland |
| 46 | Raymond Roach | 20 | Son | New Worker | Maryland |
| 47 | Charles Hill | 41 | Head | Laborer | Maryland |
| 48 | Ida Hill | 36 | Wife | — | Maryland |
| 49 | Genevia Hill | 18 | Daughter | — | Maryland |
| 50 | Ida Hill | 17 | Daughter | — | Maryland |
| 51 | Martha Hill THIS PERSON | 15 | Daughter | — | Maryland |
| 52 | Charles Hill | 11 | Son | — | Maryland |
| 53 | Martha Hill | 10 | Daughter | — | Maryland |
| 54 | Thomas Hill | 8 | Son | — | Maryland |
| 55 | Shirley Hill | 5 | Daughter | — | Maryland |
| 56 | William Hill | 3 | Son | — | Maryland |
| 57 | Goldie Hill | 3 | Daughter | — | Maryland |
| 58 | Osborne Brown | 48 | Head | Laborer | Maryland |
| 59 | Ethel Brown | 34 | Wife | — | Maryland |
| 60 | James Jackson | 60 | Head | Laborer | Maryland |
| 61 | Ann Jackson | 50 | Wife | — | Maryland |
| 62 | Rosie Jackson | 28 | Daughter | Maid | Maryland |
| 63 | Ruby Jackson | 23 | Daughter | Maid | Maryland |
| 64 | Bernice Jackson | 22 | Daughter | New Worker | Maryland |
| 65 | Leon Jackson | 18 | Son | New Worker | Maryland |
| 66 | Maxine Jackson | 17 | Daughter | — | Maryland |
| 67 | Vernon Jackson | 16 | Daughter | — | Maryland |
| 68 | Donia Jackson | 4 | Son | — | Maryland |
| 69 | William Gorman | 64 | Head | Laborer | Maryland |
| 70 | Mary Gorman | 55 | Wife | — | Maryland |
| 71 | James Gorman | 30 | Son | Laborer | Maryland |
| 72 | Eva Taylor | 35 | Daughter | Laundress | Maryland |
| 73 | Elmer Gorman | 28 | Son | Presser | Maryland |
| 74 | Frances Gorman | 29 | Daughter | — | Virginia |
| 75 | Ellsworth Gorman | 15 | Son | — | Maryland |
| 76 | Bernard Gorman | 14 | Son | — | Maryland |
| 77 | Pauline Gross | 35 | Head | Cook | Maryland |
| 78 | Luarine Gross | 55 | Mother | Maid | Maryland |
| 79 | Margaret Gross | 18 | Sister | New Worker | Maryland |
| 80 | Charlie Moore | 38 | Lodger | Laborer | 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)