FJ
Florence Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Illinois
Our Model Tree links this Florence Jackson across the 1930 and 1940 US Censuses in St.-Clair-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 10-person household.
Age 16
b. ~1924
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Illinois |
| Surname | Jackson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No H-1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1924 |
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 Florence | Age | Birth yr |
|---|---|---|---|---|
| George Jackson | Head | — | 55 | ~1885 |
| Charles Jackson | Son | — | 14 | ~1926 |
| Arthur Jackson | Son | — | 19 | ~1921 |
| Delores Jackson | Son | — | 8 | ~1932 |
| George Jackson | Son | — | 23 | ~1917 |
| Laverne Jackson | Daughter | — | 7 | ~1933 |
| Julius Jackson | Son | — | 10 | ~1930 |
| Florence Jackson | Daughter | — | 16 | ~1924 |
| Calvine Jackson | Daughter | — | 20 | ~1920 |
| Beulah Jackson | Spouse | — | 48 | ~1892 |
Census Appearances
1930
St Clair, …
Daughter, age 6
St Clair, Illinois · implied b. ~1924 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
St.-Clair-County, Illinois
Daughter, age 16
St.-Clair-County, Illinois · implied b. ~1924 — 10 household members
| Surname | Jackson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Clair |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No H-1 |
| 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 Florence Jackson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Florence Jackson
Daughter · 1940 · age 16 · b. ~1924 · Illinois
★ You are viewing this record
Sibling
George Jackson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calvine Jackson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Jackson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delores Jackson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laverne Jackson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Jackson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julius Jackson
Sibling · 1940 · age 10
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
40 people indexed on this census page (nara:1940:m-t0627-00881-00317)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rodgers Echols | 40 | Son | Laborer | Mississippi |
| 42 | Green Hill | 42 | Head | Laborer | Mississippi |
| 43 | Albert Hughes | 63 | Head | — | Mississippi |
| 44 | Ruth Hughes | 46 | Wife | — | Illinois |
| 45 | Mary Wilkins | 64 | Mother-in-law | — | Illinois |
| 46 | Mamie Hill | 23 | Lodger | Seamstress | Mississippi |
| 47 | Aaron Hill | 29 | Lodger | — | Mississippi |
| 48 | James Evans | 47 | Head | Log Grinder | Mississippi |
| 49 | Bessie Evans | 37 | Wife | — | Mississippi |
| 50 | Andrew Jones | 50 | Head | Laborer | Mississippi |
| 51 | Helen Jones | 38 | Wife | — | Arkansas |
| 52 | James Jones | 16 | Son | — | Illinois |
| 53 | Elizabeth Jones | 8 | Daughter | — | Illinois |
| 54 | Betty Mae Jones | 5 | Daughter | — | Illinois |
| 55 | Helen Jones | 3 | Daughter | — | Illinois |
| 56 | Andrew Jr Jones | 2 | Son | — | Illinois |
| 57 | Wynna L. Jones | 0 | Daughter | — | Illinois |
| 58 | Leonard Dukes | 27 | Head | Laborer | Illinois |
| 59 | Myrtle Dukes | 19 | Wife | — | Illinois |
| 60 | Arstella Dukes | 1 | Daughter | — | Illinois |
| 61 | George Jackson | 55 | Head | Laborer | Florida |
| 62 | Beulah Jackson | 48 | Wife | — | Illinois |
| 63 | George Jr Jackson | 23 | Son | Laborer | Illinois |
| 64 | Calvine Jackson | 20 | Daughter | Seamstress | Illinois |
| 65 | Arthur Jackson | 19 | Son | — | Illinois |
| 66 | Florence Jackson THIS PERSON | 16 | Daughter | — | Illinois |
| 67 | Charles Jackson | 14 | Son | — | Illinois |
| 68 | Julius Jackson | 10 | Son | — | Illinois |
| 69 | Delores Jackson | 8 | Son | — | Illinois |
| 70 | Laverne Jackson | 7 | Daughter | — | Illinois |
| 71 | Phillip Mcdaniel | 45 | Head | Janitor | Mississippi |
| 72 | Sarah Mcdaniel | 47 | Wife | — | Mississippi |
| 73 | Exodus Pettis | 51 | Head | Laborer | Mississippi |
| 74 | Alberta Pettis | 47 | Wife | — | Mississippi |
| 75 | Leon Pettis | 17 | Son | — | Mississippi |
| 76 | James Pettis | 15 | Son | — | Illinois |
| 77 | Charles Pettis | 7 | Son | — | Illinois |
| 78 | Alice Little | 69 | Head | — | Mississippi |
| 79 | Aaron Nixon | 60 | Head | Laborer | Arkansas |
| 80 | Minnie Nixon | 49 | Wife | — | S. Carolina |
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)