MC
Martha Carter — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Martha Carter across the 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 6-person household.
Age 14
b. ~1926
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Carter |
| Given Name | Martha Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Birmingham City |
| Est. Birth Year | ~1926 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Nellie Carter | Son | — | 15 | ~1925 |
| Letha Carter | Spouse | — | 40 | ~1900 |
| Patricia Carter | Daughter | — | 9 | ~1931 |
| Lois Carter | Daughter | — | 13 | ~1927 |
| Martha Carter | Daughter | — | 14 | ~1926 |
| James Carter | Head | — | 42 | ~1898 |
Census Appearances
1930
Jefferson, Alabama
Daughter, age 4
Jefferson, Alabama · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carter |
| Given Name | Martha M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Alabama |
| Can Read/Write | No |
| Veteran | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Daughter, age 14
Jefferson-County, Alabama · implied b. ~1926 — 6 household members
| Surname | Carter |
| Given Name | Martha Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Highest Grade | No 7 |
| 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 Carter across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Carter
Daughter · 1940 · age 14 · b. ~1926 · Alabama
★ You are viewing this record
Sibling
Nellie Carter
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Carter
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Carter
Sibling · 1940 · age 9
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
40 people indexed on this census page (nara:1940:m-t0627-00094-00702)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Earl Carter | 42 | Head | Locomotive Craneman | Tennessee |
| 42 | Letha (X) Carter | 40 | Wife | — | Alabama |
| 43 | Nellie Carter | 15 | Son | — | Alabama |
| 44 | Martha Mae Carter THIS PERSON | 14 | Daughter | — | Alabama |
| 45 | Lois Carter | 13 | Daughter | — | Alabama |
| 46 | Patricia Carter | 9 | Daughter | — | Alabama |
| 47 | Charlie Sharrett | 38 | Head | Motorman | Alabama |
| 48 | Lillie (X) Sharrett | 33 | Wife | — | Alabama |
| 49 | Geneva Sharrett | 17 | Daughter | — | Alabama |
| 50 | Jeanette Sharrett | 15 | Daughter | — | Alabama |
| 51 | Charles Sharrett | 13 | Son | — | Alabama |
| 52 | Billie Sharrett | 10 | Son | — | Alabama |
| 53 | Lois Sharrett | 7 | Daughter | — | Alabama |
| 54 | Myra Jean Sharrett | 3 | Daughter | — | Alabama |
| 55 | James L. Echols | 32 | Head | Boiler Maker | Alabama |
| 56 | Mary Lee Echols | 22 | Wife | — | Alabama |
| 57 | Martha Louise Echols | 2 | Daughter | — | Alabama |
| 58 | Adra (X) Young | 65 | Mother-in-law | — | Alabama |
| 59 | Charlie House | 70 | Head | Coal Loader | Alabama |
| 60 | Dolly (X) House | 42 | Wife | — | Alabama |
| 61 | Van A. (Ab) House | 19 | Son | Dispenser | Alabama |
| 62 | Hal L. House | 13 | Daughter | — | Mississippi |
| 63 | M. C. House | 5 | Son | — | Alabama |
| 64 | James C. Alleman | 45 | Head | Millwright | Alabama |
| 65 | Vera (X) Alleman | 44 | Wife | — | Alabama |
| 66 | Charles Alleman | 15 | Son | — | Alabama |
| 67 | Louise Alleman | 13 | Daughter | — | Alabama |
| 68 | Gerald Alleman | 11 | Son | — | Alabama |
| 69 | Doris Alleman | 7 | Daughter | — | Alabama |
| 70 | Fay Alleman | 5 | Daughter | — | Alabama |
| 71 | Ray Alleman | 5 | Son | — | Alabama |
| 72 | William F. (X) Perry | 28 | Head | Finisher | Illinois |
| 73 | Margaret Harris Perry | 18 | Wife | — | Alabama |
| 74 | Armie B. Lupton | 64 | Mother-in-law | — | Alabama |
| 75 | Clyde W. Smart | 32 | Head | Truck Driver | Alabama |
| 76 | Vizella (X) Smart | 21 | Wife | — | Alabama |
| 77 | Elnora Smart | 3 | Daughter | — | Alabama |
| 78 | Daisy Pearl (X) Smith | 59 | Head | — | Alabama |
| 79 | Jessie Mae Smallwood | 36 | Daughter | W.P.A. Molding Dept. | Alabama |
| 80 | Adra (X) Jolly | 66 | Head | — | Alabama |
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)