MJ
Mary James — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Washington, Mississippi
Our Model Tree links this Mary James across the 1930 and 1940 US Censuses in Washington, Mississippi (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 7-person household.
Age 8
b. ~1922
Female
Daughter
Born: Mississippi
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Washington, Mississippi |
| Surname | James |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Additional Details | |
| Can Read/Write | No |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Part Of Beat 4 |
| 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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mattie James | Daughter | — | 5 | ~1925 |
| Emma James | Daughter | — | 11 | ~1919 |
| Mary James | Daughter | — | 8 | ~1922 |
| Roy James | Head | — | 53 | ~1877 |
| Roy James | Son | — | 3 | ~1927 |
| Roy James | Son | — | 13 | ~1917 |
| Effie James | Spouse | — | 33 | ~1897 |
Census Appearances
1930
Washington, Mississippi
Daughter, age 8
Washington, Mississippi · implied b. ~1922 — 7 household members
| Surname | James |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | No |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Washington-County, Mississippi
Daughter, age 19
Washington-County, Mississippi · implied b. ~1921 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Mary Lou |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (County) | Washington |
| Occupation | Farm |
| Industry | NP |
| Highest Grade | No 5 |
| 1935 Residence | 40 |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 · 1930 · age 8 · b. ~1922 · Mississippi
★ You are viewing this record
Sibling
Roy James
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy James
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma James
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mattie James
Sibling · 1930 · age 5
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
1930 US Federal Census — Washington, Mississippi
Open full size
1930 US Federal Census — Washington, Mississippi
Page Contents
31 people indexed on this census page (ia:1930:15thcensus1170unit:0767)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roy James | 53 | Head | Farmer | Mississippi |
| 2 | Effie James | 33 | Wife | — | Mississippi |
| 3 | Roy James | 13 | Son | — | Mississippi |
| 4 | Emma James | 11 | Daughter | — | Mississippi |
| 5 | Mary Lou James THIS PERSON | 8 | Daughter | — | Mississippi |
| 6 | Mattie James | 5 | Daughter | — | Mississippi |
| 7 | Roy Jr. James | 3 | Son | — | Mississippi |
| 8 | Bill Caston | 55 | Head | Farmer | Mississippi |
| 9 | Lucy Caston | 52 | Wife | — | Mississippi |
| 10 | Charlie B. Caston | 12 | Son | — | Mississippi |
| 11 | E. C. Caston | 8 | Son | — | Mississippi |
| 12 | E. C. Thompson | 21 | Head | Farmer | Mississippi |
| 13 | Lorraine Thompson | 18 | Wife | — | Mississippi |
| 14 | Charlie Thompson | 26 | Head | Farmer | Mississippi |
| 15 | Lula Thompson | 20 | Wife | — | Mississippi |
| 16 | Henderson Moore | 64 | Head | Farmer | Mississippi |
| 17 | Lilly Moore | 41 | Wife | — | Mississippi |
| 18 | John Moore | 7 | Son | — | Mississippi |
| 19 | Charlie Calwell | 20 | Step son | Laborer | Mississippi |
| 20 | Alfred Calwell | 19 | Step son | Laborer | Mississippi |
| 21 | Lonsume Calwell | 15 | Step son | Laborer | Mississippi |
| 22 | Will Ruford | 51 | Head | Farmer | Mississippi |
| 23 | Bob Stid | 65 | Head | Farmer | Mississippi |
| 24 | Frances Stid | 53 | Wife | — | Mississippi |
| 25 | Isabell Morton | 34 | Daughter | — | Mississippi |
| 26 | Mary Caston | 4 | Grand daughter | — | Mississippi |
| 27 | Walter Young | 44 | Head | Farmer | Mississippi |
| 28 | Aaron West | 43 | Head | Laborer | Mississippi |
| 29 | Cornelius West | 35 | Wife | — | Mississippi |
| 30 | Tom James | 39 | Head | Farmer | Mississippi |
| 31 | Martha James | 30 | Wife | — | Mississippi |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)