BJ
Bertha Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Prince-George'S-County, Maryland
Our Model Tree links this Bertha Jackson across the 1930 and 1940 US Censuses in Prince-George'S-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 11-person household.
Age 16
b. ~1924
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Prince-George'S-County, Maryland |
| Surname | Jackson |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Lakeland |
| 1935 Residence (County) | Prince George's |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Lakeland |
| 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Lawrence Jackson | Son | — | 2 | ~1938 |
| Bertha Jackson | Daughter | — | 16 | ~1924 |
| Sarah Jackson | Spouse | — | 37 | ~1903 |
| Charlotte Jackson | Daughter | — | 17 | ~1923 |
| Mary Jackson | Daughter | — | 7 | ~1933 |
| James Jackson | Son | — | 18 | ~1922 |
| Elva Elvey | Other | — | 4 | ~1936 |
| Joan Lewis | Other | — | ~1940 | |
| Dorothy Jackson | Daughter | — | 15 | ~1925 |
| George Jackson | Head | — | 40 | ~1900 |
| Ernestine Jackson | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Anne Arundel, …
Other, age 5
Anne Arundel, Maryland · implied b. ~1925 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Bernice |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Prince-George'S-County, Maryland
Daughter, age 16
Prince-George'S-County, Maryland · implied b. ~1924 — 11 household members
| Surname | Jackson |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Lakeland |
| 1935 Residence (County) | Prince George's |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 7 |
| 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 Bertha Jackson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Jackson
Daughter · 1940 · age 16 · b. ~1924 · Maryland
★ You are viewing this record
Sibling
James Jackson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Jackson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernestine Jackson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Jackson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Jackson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary 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 — Prince-George'S-County, Maryland
Open full size
1940 US Federal Census — Prince-George'S-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01558-00847)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carl Johnson | 39 | Son | — | Maryland |
| 2 | Raymond Steward | 20 | Son | Laborer | Maryland |
| 3 | Vivin Marshall | 3 | Grand daughter | — | Washington D.C. |
| 4 | Jefferson Marshall | 25 | Lodger | Truck Driver | Maryland |
| 5 | Granville Owens | 23 | Lodger | Cook | Kentucky |
| 6 | Georgiana Steward | 83 | Head | — | Maryland |
| 7 | William Brooks | 24 | Grand son | Barber | Maryland |
| 8 | Edward Potts | 24 | Grand son | Laborer | N. Carolina |
| 9 | Guy Potts | 21 | Grand son | — | Maryland |
| 10 | Shirley Potts | 3 | Grand daughter | 0 | Washington D.C. |
| 11 | Edward Jr. Potts | 2 | Grand son | 0 | Maryland |
| 12 | Patricia Potts | 1 | Grand daughter | 0 | Maryland |
| 13 | Beverly Potts | 0 | Grand daughter | 0 | Washington D.C. |
| 14 | Charles Johnson | 25 | Head | Laborer | Maryland |
| 15 | Evelyn Johnson | 26 | Wife | Maid | Maryland |
| 16 | James Spriggs | 5 | Son | — | Maryland |
| 17 | Bertha Johnson | 37 | Head | — | Maryland |
| 18 | Ruth Thompson | 26 | Daughter | — | Maryland |
| 19 | Willour Johnson | 21 | Son | — | Maryland |
| 20 | Corrie Johnson | 10 | Daughter | — | Maryland |
| 21 | Mary Hawkins | 65 | Head | — | Maryland |
| 22 | Oscar Hawkins | 39 | Son | — | Maryland |
| 23 | Charles Hawkins | 32 | Son | — | Maryland |
| 24 | Viola Hawkins | 24 | Daughter | — | Maryland |
| 25 | Frank Thomas | 37 | Grand son | Maid | Maryland |
| 26 | Gene Hawkins | 6 | Grand son | — | Washington D.C. |
| 27 | George Jackson | 40 | Head | Janitor | Washington D.C. |
| 28 | Sarah Jackson | 37 | Wife | Maid | Maryland |
| 29 | James Jackson | 18 | Son | Kitchen Helper | Maryland |
| 30 | Charlotte Jackson | 17 | Daughter | — | Maryland |
| 31 | Bertha Jackson THIS PERSON | 16 | Daughter | — | Maryland |
| 32 | Dorothy Jackson | 15 | Daughter | — | Maryland |
| 33 | Ernestine Jackson | 12 | Daughter | — | Maryland |
| 34 | Mary Jackson | 7 | Daughter | — | Maryland |
| 35 | Lawrence Jackson | 2 | Son | — | Maryland |
| 36 | Elva J. Elvey | 4 | Grand daughter | 0 | Washington D.C. |
| 37 | Joan M. Lewis | 0 | Grand daughter | 0 | Washington D.C. |
| 38 | Sophia Johnson | 50 | Head | — | Virginia |
| 39 | Mack Mumford | 29 | Lodger | Well Digger | Virginia |
| 40 | Marie Thomas | 18 | Lodger | Cook | 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)