MH
Martha Hall — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Martha Hall across the 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 13-person household.
Age 18
b. ~1922
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Hall |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Charwoman |
| Industry | Office Bldg |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 60 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Charwoman |
| Township / Ward | Birmingham |
| 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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Savannah Hall | Daughter | — | 4 | ~1936 |
| Rena Hall | Daughter | — | 3 | ~1937 |
| Martha Hall | Daughter | — | 18 | ~1922 |
| Josephine Hall | Daughter | — | 9 | ~1931 |
| David Hall | Head | — | 36 | ~1904 |
| James Hall | Son | — | 11 | ~1929 |
| Joseph Hall | Son | — | 9 | ~1931 |
| George Hall | Son | — | 16 | ~1924 |
| Willie Hall | Son | — | 15 | ~1925 |
| Ed Hall | Son | — | 13 | ~1927 |
| Willie Hall | Son | — | 5 | ~1935 |
| Ocie Hall | Son | — | 12 | ~1928 |
| Clara Hall | Spouse | — | 32 | ~1908 |
Census Appearances
1930
Jefferson, Alabama
Daughter, age 8
Jefferson, Alabama · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Daughter, age 18
Jefferson-County, Alabama · implied b. ~1922 — 13 household members
| Surname | Hall |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Occupation | Charwoman |
| Industry | Office Bldg |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 60 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Hall across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Hall
Daughter · 1940 · age 18 · b. ~1922 · Alabama
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Sibling
Josephine Hall
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hall
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rena Hall
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ocie Hall
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Hall
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Hall
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Hall
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Savannah Hall
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ed Hall
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Hall
Sibling · 1940 · age 16
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 — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00097-00603)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joyce Dufrene | 10 | Daughter | — | Alabama |
| 42 | Lloyd Womble | 36 | Lodger | Oiler | Alabama |
| 43 | Hazen S. Alexander | 38 | Head | Conductor | Alabama |
| 44 | Bessie Alexander | 29 | Wife | — | Alabama |
| 45 | Juanita Alexander | 12 | Daughter | — | Alabama |
| 46 | Ena Ruth Alexander | 11 | Daughter | — | Alabama |
| 47 | Betty Jean Alexander | 10 | Daughter | — | Alabama |
| 48 | Mildred Alexander | 7 | Daughter | — | Alabama |
| 49 | Billy Ervin Alexander | 4 | Son | — | Alabama |
| 50 | George Alvin Alexander | 3 | Son | — | Alabama |
| 51 | James Lee Alexander | 1 | Son | — | Alabama |
| 52 | Trixie (X) Hunt | 40 | Head | — | Alabama |
| 53 | Henry Hunt | 18 | Son | Paper Hanger | Alabama |
| 54 | Mae Hunt | 17 | Daughter | Assistant | Alabama |
| 55 | Troy Hunt | 14 | Son | — | Alabama |
| 57 | Herman Richardson | 32 | Head | Coal Loader | Alabama |
| 58 | Tilliebelle Richardson | 28 | Wife | — | Alabama |
| 59 | Catherine Murray | 60 | Head | — | Alabama |
| 60 | Katie Murray | 35 | Daughter | Laundress | Alabama |
| 61 | Adam Murray | 27 | Son | Miner | Alabama |
| 62 | Minnie Murray | 24 | Daughter | Cook | Alabama |
| 63 | Margaret Murray | 14 | Daughter | — | Alabama |
| 64 | Joe Osborn | 44 | Head | Miner | Alabama |
| 65 | Florine Osborn | 39 | Wife | — | Alabama |
| 66 | Moses Watkins | 38 | Lodger | Laborer | Alabama |
| 67 | Rinder Hart | 38 | Lodger | Miner | Alabama |
| 68 | David Hall | 36 | Head | Laborer | Alabama |
| 69 | Clara Hall | 32 | Wife | — | Alabama |
| 70 | Martha Hall THIS PERSON | 18 | Daughter | Charwoman | Alabama |
| 71 | George Hall | 16 | Son | — | Alabama |
| 72 | Willie Hall | 15 | Son | — | Alabama |
| 73 | Ed Hall | 13 | Son | — | Alabama |
| 74 | Ocie Hall | 12 | Son | — | Alabama |
| 75 | James Hall | 11 | Son | — | Alabama |
| 76 | Josephine Hall | 9 | Daughter | — | Alabama |
| 77 | Joseph Hall | 9 | Son | — | Alabama |
| 78 | Willie Hall | 5 | Son | — | Alabama |
| 79 | Savannah Hall | 4 | Daughter | — | Alabama |
| 80 | Rena Hall | 3 | Daughter | — | Alabama |
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)