MJ
Marion Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Illinois
Our Model Tree links this Marion Jones across the 1930 and 1940 US Censuses in St.-Clair-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Illinois |
| Surname | Jones |
| Given Name | Marion |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | E. St. Louis City |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | E St Louis City |
| Est. Birth Year | ~1928 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marion | Age | Birth yr |
|---|---|---|---|---|
| Sarah Jones | Daughter | — | 8 | ~1932 |
| Marion Jones | Daughter | — | 12 | ~1928 |
| Grizella Jones | Daughter | — | 16 | ~1924 |
| Grizella Jones | Head | — | 37 | ~1903 |
| Frank Jones | Son | — | 11 | ~1929 |
| E Jones | Son | — | 18 | ~1922 |
| Thomas Jones | Son | — | 15 | ~1925 |
| John Jones | Son | — | 20 | ~1920 |
Census Appearances
1930
St Clair, …
Daughter, age 1
St Clair, Illinois · implied b. ~1929 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Marion |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
St.-Clair-County, Illinois
Daughter, age 12
St.-Clair-County, Illinois · implied b. ~1928 — 8 household members
| Surname | Jones |
| Given Name | Marion |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | E. St. Louis City |
| 1935 Residence (County) | St. Clair |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Marion Jones across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marion Jones
Daughter · 1940 · age 12 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Frank Jones
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Jones
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
E Jones
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Jones
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grizella Jones
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Jones
Sibling · 1940 · age 15
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 — St.-Clair-County, Illinois
Open full size
1940 US Federal Census — St.-Clair-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00881-00301)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Della Hall | 29 | Head | Laundress | Mississippi |
| 42 | Calvin Brown | 43 | Head | Laborer | Mississippi |
| 43 | Carrie Brown | 37 | Wife | — | Mississippi |
| 44 | Lucille Brown | 16 | Daughter | — | Tennessee |
| 45 | Rosie Jones | 40 | Mother | Housework | Mississippi |
| 46 | Henry William | 30 | Head | Laborer | Kentucky |
| 47 | Evelyna William | 32 | Wife | — | Mississippi |
| 48 | Shirley D. William | 2 | Daughter | — | Illinois |
| 50 | Velma Paraham | 32 | Head | House Work | Mississippi |
| 51 | Charles Walker | 13 | Son | — | Tennessee |
| 52 | Dorothy Paraham | 10 | Daughter | — | Tennessee |
| 53 | Velma Paraham | 7 | Daughter | — | Illinois |
| 54 | Mildred Paraham | 4 | Daughter | — | Illinois |
| 55 | Nolcie Gray | 71 | Father | Carpenter | Georgia |
| 56 | Beatrice Lawrence | 32 | Head | Seamstress | Illinois |
| 57 | Charlie Evan | 53 | Father | — | Kentucky |
| 58 | Iverson Thomas | 55 | Lodger | — | Arkansas |
| 59 | Elijah Kennedy | 49 | Head | Peddler | Mississippi |
| 60 | Gertrude Banker | 40 | Head | Housekeeper | Arkansas |
| 61 | Willie Lloyd | 29 | Son-in-law | Laborer | Arkansas |
| 62 | Rosie Lloyd | 24 | Daughter | — | Arkansas |
| 63 | Addie Banker | 23 | Daughter | — | Arkansas |
| 64 | Grizella Jones | 37 | Head | Laundress | Arkansas |
| 65 | John H. Jones | 20 | Son | Laborer | Arkansas |
| 66 | E. L. Jones | 18 | Son | — | Arkansas |
| 67 | Grizella Jones | 16 | Daughter | — | Illinois |
| 68 | Thomas Jones | 15 | Son | — | Illinois |
| 69 | Marion Jones THIS PERSON | 12 | Daughter | — | Illinois |
| 70 | Frank Jones | 11 | Son | — | Illinois |
| 71 | Sarah Jones | 8 | Daughter | — | Illinois |
| 72 | Frank Gooch | 60 | Head | Handy Man | Louisiana |
| 73 | Archie Ross | 30 | Head | Tractor Driver | Kentucky |
| 74 | Dorothy Ross | 21 | Wife | — | Illinois |
| 75 | Mary Etta Ross | 1 | Daughter | — | Illinois |
| 76 | Ozie Rambo | 40 | Head | — | Mississippi |
| 77 | Willie Rambo | 19 | Son | Laborer | Mississippi |
| 78 | E. L. Rambo | 11 | Son | — | Arkansas |
| 79 | Dee Etchison | 37 | Head | — | Tennessee |
| 80 | Henry Etchison | 21 | Son | Janitor | Tennessee |
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)