FJ
Florence Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charles-County, Maryland
Our Model Tree links this Florence Jackson across the 1930 and 1940 US Censuses in Charles-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 12-person household.
Age 20
b. ~1920
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-County, Maryland |
| Surname | Jackson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dist. 7 |
| 1935 Residence (County) | Charles |
| Additional Details | |
| Occupation | House Wife |
| Industry | in Home |
| Class of Worker | NP |
| Hours Worked | 54 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | House Wife |
| Township / Ward | Election Dist 7 |
| Est. Birth Year | ~1920 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Florence | Age | Birth yr |
|---|---|---|---|---|
| Joseph Jackson | Son | — | 14 | ~1926 |
| Edward Jackson | Son | — | 4 | ~1936 |
| Annie Jackson | Daughter | — | 7 | ~1933 |
| Viola Jackson | Daughter | — | 12 | ~1928 |
| Florence Jackson | Daughter | — | 20 | ~1920 |
| Benny Jackson | Head | — | 40 | ~1900 |
| James Jackson | Son | — | 11 | ~1929 |
| Marie Jackson | Daughter | — | ~1940 | |
| Maggie Jackson | Spouse | — | 40 | ~1900 |
| James Greene | Other | — | 23 | ~1917 |
| Carroll Jackson | Son | — | 18 | ~1922 |
| Bernice Greene | Other | — | 18 | ~1922 |
Census Appearances
1930
Charles, Maryland
Daughter, age 9
Charles, Maryland · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Florence E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Charles-County, Maryland
Daughter, age 20
Charles-County, Maryland · implied b. ~1920 — 12 household members
| Surname | Jackson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dist. 7 |
| 1935 Residence (County) | Charles |
| Occupation | House Wife |
| Industry | in Home |
| Class of Worker | NP |
| Hours Worked | 54 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 20 · b. ~1920 · Maryland
★ You are viewing this record
Sibling
James Jackson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Jackson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Jackson
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Jackson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carroll Jackson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Jackson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Jackson
Sibling · 1940 · age 7
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 — Charles-County, Maryland
Open full size
1940 US Federal Census — Charles-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01546-00323)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ester Arnold | 14 | Daughter | — | Maryland |
| 2 | Margaret Arnold | 12 | Daughter | — | Maryland |
| 3 | Mary L. Arnold | 10 | Daughter | — | Maryland |
| 4 | Marion T. Arnold | 8 | Daughter | — | Maryland |
| 5 | Samuel D. Thorne | 71 | Head | — | Maryland |
| 6 | George Thorne | 45 | Son | Laborer | Maryland |
| 7 | George Thorne | 14 | Grandson | — | Maryland |
| 8 | Randall Thorne | 36 | Son | Laborer | Maryland |
| 9 | Benson Mcpherson | 54 | Head | Laborer | Maryland |
| 10 | Lottie Mcpherson | 55 | Wife | Maid | Maryland |
| 11 | Simie D. Carroll | 69 | Head | House Wife | Maryland |
| 12 | Annie Carroll | 37 | Daughter | Maid | Maryland |
| 13 | Margaret William | 14 | Daughter | — | Maryland |
| 14 | Melvin William | 7 | Grandson | — | Maryland |
| 15 | Charles E. Chesley | 62 | Head | Farmer | Maryland |
| 16 | Emma Chesley | 56 | Wife | House Wife | Maryland |
| 17 | Louise Sewall | 5 | Lodger | — | Maryland |
| 18 | Joseph Sewall | 3 | Lodger | — | Maryland |
| 19 | Mary E. Sewall | 2 | Lodger | — | Maryland |
| 20 | Benny Jackson | 40 | Head | Janitor | Maryland |
| 21 | Maggie D. Jackson | 40 | Wife | House Wife | Maryland |
| 22 | Florence Jackson THIS PERSON | 20 | Daughter | House Wife | Maryland |
| 23 | Carroll Jackson | 18 | Son | Laborer | Maryland |
| 24 | Joseph Jackson | 14 | Son | — | Maryland |
| 25 | Viola Jackson | 12 | Daughter | — | Maryland |
| 26 | James Jackson | 11 | Son | — | Maryland |
| 27 | Annie Jackson | 7 | Daughter | — | Maryland |
| 28 | Edward Jackson | 4 | Son | — | Maryland |
| 29 | Marie Jackson | 0 | Daughter | — | Maryland |
| 30 | James Greene | 23 | Boarder | Laborer | Maryland |
| 31 | Bernice Greene | 18 | Boarder | — | Maryland |
| 32 | Josephine Darrell | 50 | Head | — | Maryland |
| 33 | William Darrell | 19 | Son | Laborer | Maryland |
| 34 | Ollie Darrell | 17 | Son | Laborer | Maryland |
| 35 | James Darrell | 14 | Son | — | Maryland |
| 36 | Charles S. Key | 55 | Head | Retired | Maryland |
| 37 | Addie Key | 50 | Wife | House Wife | Maryland |
| 38 | Gertrude E. Key | 32 | Daughter | — | Maryland |
| 39 | Clifton A. Key | 22 | Son | Truck Driver | Maryland |
| 40 | Lucile Key | 20 | Daughter | Nursing | Maryland |
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)