MC
Martha Carter — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Eddy-County, New Mexico
Our Model Tree links this Martha Carter across the 1920, 1930 and 1940 US Censuses in Eddy-County, New Mexico (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 4-person household.
Age 70
b. ~1870
Female
Head
Born: Tennessee
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Eddy-County, New Mexico |
| Surname | Carter |
| Given Name | Martha A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Tennessee |
| 1935 Residence (City) | Carlsbad |
| 1935 Residence (County) | Eddy |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Carlsbad |
| Est. Birth Year | ~1870 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| James Carter | Daughter | — | 43 | ~1897 |
| Lillian Kelly | Other | — | 35 | ~1905 |
| Martha Carter | Head | — | 70 | ~1870 |
| John Kelly | Other | — | 27 | ~1913 |
Census Appearances
1920
Eddy, New …
Spouse, age 50
Eddy, New Mexico · implied b. ~1870 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carter |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Eddy, New …
Other, age 60
Eddy, New Mexico · implied b. ~1870 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carter |
| Given Name | Martha S. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 16 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Eddy-County, New …
Head, age 70
Eddy-County, New Mexico · implied b. ~1870 — 4 household members
| Surname | Carter |
| Given Name | Martha A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Tennessee |
| 1935 Residence (City) | Carlsbad |
| 1935 Residence (County) | Eddy |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Martha Carter
Head · 1940 · age 70 · b. ~1870 · New Mexico
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Eddy-County, New Mexico
Open full size
1940 US Federal Census — Eddy-County, New Mexico
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02444-00118)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | W. M. Moore | 77 | Head | Jailer | Florida |
| 2 | Howell J. Gage | 58 | Sheriff | Sheriff | New Mexico |
| 3 | Walter Mcdonald | 59 | Head | Under Sheriff | Texas |
| 4 | Pearl Mcdonald | 53 | Wife | — | New Mexico |
| 5 | Essie Mcdonald | 23 | Daughter | Assistant Cashier | New Mexico |
| 6 | Anna Ruth Mcdonald | 15 | Daughter | — | New Mexico |
| 8 | Robert Cunningham | 43 | Head | Civil Engineer | Missouri |
| 9 | Gladys M. Cunningham | 41 | Wife | — | Missouri |
| 10 | Robert C. Cunningham | 10 | Son | — | Missouri |
| 11 | Martha A. Carter THIS PERSON | 70 | Head | — | Tennessee |
| 12 | James M. Carter | 43 | Daughter | — | New Mexico |
| 13 | John Kelly | 27 | Servant | Man Servant | Texas |
| 14 | Lillian Kelly | 35 | Servant | Maid | Texas |
| 15 | L. O. Wright | 36 | Head | Druggist | Missouri |
| 16 | Fay Wright | 39 | Wife | — | Oklahoma |
| 17 | Olin D. Wright | 12 | Son | — | Colorado |
| 18 | Billy Don Wright | 7 | Son | — | Colorado |
| 19 | Morris Dillingham | 71 | Father in law | — | Iowa |
| 20 | Olin W. Spruell | 29 | Head | Welder | Texas |
| 21 | Cora M. Spruell | 27 | Wife | — | Oklahoma |
| 22 | Odell R. Spruell | 5 | Son | — | Texas |
| 23 | William D. Johnson | 29 | Brother in law | Concrete Worker | Oklahoma |
| 24 | Harvey W. Newton | 29 | Head | Operator | Texas |
| 25 | Leona Newton | 27 | Wife | — | Texas |
| 26 | Billy Newton | 2 | Daughter | — | Texas |
| 27 | John E. Galloway | 22 | Lodger | Mechanic | Texas |
| 28 | Dorothy A. Galloway | 19 | Lodger | — | Texas |
| 29 | Barney J. Burns | 38 | Head | Lawyer | Mexico |
| 30 | Janet Ann Burns | 35 | Wife | — | Canada |
| 31 | Morris Dorenberg | 32 | Head | Manager | New Mexico |
| 32 | Joseph M. Nehm | 38 | Partner | Manager | New Mexico |
| 33 | Samuel R. Carter | 55 | Head | Conductor | Texas |
| 34 | Louise B. Carter | 54 | Wife | — | Kentucky |
| 35 | Agnes Mae Carter | 26 | Daughter | Secretary | Texas |
| 36 | Adrian F. Carter | 19 | Son | — | New Mexico |
| 37 | Samuel R. Jr. Carter | 14 | Son | — | New Mexico |
| 38 | Gladys Ann Carter | 12 | Daughter | — | New Mexico |
| 39 | Charles Ammann | 55 | Head | Roomers | Iowa |
| 40 | Orval J. Ammann | 33 | Son | Labor Foreman | Iowa |
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)