MJ
Mary James — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Roosevelt-County, New Mexico
Our Model Tree links this Mary James across the 1930 and 1940 US Censuses in Roosevelt-County, New Mexico (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Female
Daughter
Born: New Mexico
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Roosevelt-County, New Mexico |
| Surname | James |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Mexico |
| 1935 Residence (City) | Roosevelt |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
| Township / Ward | Precinct 30 |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ida James | Daughter | — | 19 | ~1921 |
| Betty James | Daughter | — | 7 | ~1933 |
| Mary James | Daughter | — | 14 | ~1926 |
| Elna James | Daughter | — | 9 | ~1931 |
| Lilla James | Daughter | — | 16 | ~1924 |
| George James | Son | — | 5 | ~1935 |
| Robert James | Son | — | 14 | ~1926 |
| E James | Son | — | 14 | ~1926 |
| William James | Son | — | 2 | ~1938 |
| Ethel James | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Roosevelt, New …
Daughter, age 3
Roosevelt, New Mexico · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | James |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Mexico |
| Father's Birthplace | Texas |
| Mother's Birthplace | Oklahoma |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
1940
Roosevelt-County, New …
Daughter, age 14
Roosevelt-County, New Mexico · implied b. ~1926 — 10 household members
| Surname | James |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Mexico |
| 1935 Residence (City) | Roosevelt |
| Industry | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
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 Mary James across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary James
Daughter · 1940 · age 14 · b. ~1926 · New Mexico
★ You are viewing this record
Sibling
Robert James
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elna James
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
E James
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty James
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William James
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida James
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George James
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lilla James
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 — Roosevelt-County, New Mexico
Open full size
1940 US Federal Census — Roosevelt-County, New Mexico
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02449-01240)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ethel James | 41 | Wife | — | Oklahoma |
| 42 | Ida M James | 19 | Daughter | House Keeper | Texas |
| 43 | Lilla L James | 16 | Daughter | — | Texas |
| 44 | E C James | 14 | Son | — | New Mexico |
| 45 | Mary James THIS PERSON | 14 | Daughter | — | New Mexico |
| 46 | Robert T James | 14 | Son | — | New Mexico |
| 47 | Elna J James | 9 | Daughter | — | New Mexico |
| 48 | Betty E James | 7 | Daughter | — | New Mexico |
| 49 | George H James | 5 | Son | — | New Mexico |
| 50 | William H James | 2 | Son | — | New Mexico |
| 51 | E T Brown | 24 | Head | Farmer | Texas |
| 52 | Opal Brown | 20 | Wife | — | Texas |
| 53 | Emery J Pickens | 30 | Head | Farmer | Texas |
| 54 | Mary Pickens | 23 | Wife | — | Texas |
| 55 | Emery J Jr Pickens | 6 | Son | — | Texas |
| 56 | William B Pickens | 5 | Son | — | Texas |
| 57 | Henry Reaves | 38 | Head | Farmer | Texas |
| 58 | Lela Reaves | 37 | Wife | — | Oklahoma |
| 59 | Calvin Reaves | 21 | Son | Farmer | Oklahoma |
| 60 | Willie M Reaves | 18 | Daughter | — | Oklahoma |
| 61 | H J Reaves | 16 | Son | — | Texas |
| 62 | Charlie Reaves | 10 | Son | — | Texas |
| 63 | Frances Reaves | 9 | Daughter | — | Texas |
| 64 | Evelyn Reaves | 7 | Daughter | — | Texas |
| 65 | Geraldine Reaves | 6 | Son | — | Texas |
| 66 | Joyce Reaves | 4 | Daughter | — | Texas |
| 67 | Roy Gilman | 29 | Head | Farmer | New Mexico |
| 68 | Etta Gilman | 24 | Wife | — | Oklahoma |
| 69 | Walter C Locke | 58 | Head | Farmer | Illinois |
| 70 | Martha E Locke | 43 | Daughter | — | Oklahoma |
| 71 | Zola Locke | 38 | Daughter | — | Illinois |
| 72 | Mary Locke | 35 | Daughter | — | Illinois |
| 73 | Frank Locke | 28 | Son | Farm Laborer | New Mexico |
| 74 | Flora Locke | 18 | Daughter | — | New Mexico |
| 75 | James D Hays | 27 | Head | Farmer | Texas |
| 76 | Myrtle Hays | 25 | Wife | — | Oklahoma |
| 77 | William D Hays | 7 | Son | — | Oklahoma |
| 78 | Robbie L Hays | 5 | Son | — | Oklahoma |
| 79 | Troyer J Hays | 2 | Son | — | New Mexico |
| 80 | Z D | 16 | Farm Hand | Farm Laborer | Texas |
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)