BJ
Bertha Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this Bertha Jackson across the 1920, 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Leroy & Percy — first a daughter (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Plymouth-County, Massachusetts |
| Surname | Jackson |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Kingston (town) |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Occupation | Secretary |
| Industry | Poultry company |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 560 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Secretary |
| Township / Ward | Kingston Town |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Evelyn Jackson | Daughter | — | 16 | ~1924 |
| Bertha Jackson | Daughter | — | 22 | ~1918 |
| Jane Jackson | Daughter | — | 13 | ~1927 |
| Grace Jackson | Spouse | — | 46 | ~1894 |
| Percy Jackson | Son | — | 8 | ~1932 |
| Percy Jackson | Head | — | 57 | ~1883 |
Census Appearances
1920
Plymouth, Massachusetts
Daughter, age 1
Plymouth, Massachusetts · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Bertha |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Plymouth, Massachusetts
Daughter, age 12
Plymouth, Massachusetts · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Bertha A |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Plymouth-County, Massachusetts
Daughter, age 22
Plymouth-County, Massachusetts · implied b. ~1918 — 6 household members
| Surname | Jackson |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Kingston (town) |
| 1935 Residence (County) | Plymouth |
| Occupation | Secretary |
| Industry | Poultry company |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 560 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Leroy Jackson (~0.92 confidence) and father Percy Jackson (~0.92 confidence) and mother Ebe Jackson (~0.92 confidence) and mother Grace Jackson (~0.92 confidence) and mother Lizzie Jackson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Leroy Jackson
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Percy Jackson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Ebe Jackson
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Grace Jackson
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Lizzie Jackson
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Bertha Jackson
Daughter · 1940 · age 22 · b. ~1918 · Massachusetts
★ You are viewing this record
Sibling
Percy Jackson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Jackson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Jackson
Sibling · 1940 · age 13
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 — Plymouth-County, Massachusetts
Open full size
1940 US Federal Census — Plymouth-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01638-00498)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Doris Murphy | 7 | Daughter | — | Massachusetts |
| 42 | Louis Glass | 33 | Head | Foreman Weaver | Massachusetts |
| 43 | Verna Glass | 27 | Wife | — | Massachusetts |
| 44 | Judith Glass | 5 | Daughter | — | Massachusetts |
| 45 | David Glass | 2 | Son | — | Massachusetts |
| 46 | Louis Mullany | 65 | Uncle | — | English Canada |
| 47 | Alphonso Vazzani | 58 | Head | — | Italy |
| 48 | Oscar Dace | 30 | Head | Truck Driver | Massachusetts |
| 49 | Arlene Dace | 24 | Wife | Saleswoman | Massachusetts |
| 50 | Adelard Lambert | 44 | Head | Rivet Maker | Massachusetts |
| 51 | Albina Lambert | 44 | Wife | — | Massachusetts |
| 52 | Henry Lambert | 16 | Son | — | Massachusetts |
| 53 | Arthur Lambert | 13 | Son | — | Massachusetts |
| 54 | Arthur Devine | 64 | Lodger | — | Massachusetts |
| 55 | Chester C. Rogerson | 51 | Head | Plumber | Massachusetts |
| 56 | Eleanor C. Rogerson | 47 | Wife | — | Massachusetts |
| 57 | Eleanor Rogerson | 25 | Daughter | Bookkeeper | Massachusetts |
| 58 | John Cash | 42 | Head | Dresser | Rhode Island |
| 59 | Elva Cash | 38 | Wife | — | Massachusetts |
| 60 | Robert Cash | 13 | Son | — | Massachusetts |
| 61 | Daughter Cash | 10 | Daughter | — | Massachusetts |
| 62 | Nora Laughlin | 67 | Daughter | — | Ireland |
| 63 | William J. O'Brien | 71 | Head | — | Massachusetts |
| 64 | Annie O'Brien | 53 | Wife | — | Massachusetts |
| 65 | Edward F. O'Brien | 26 | Son | Mill Worker | Massachusetts |
| 66 | John J. O'Brien | 15 | Son | — | Massachusetts |
| 67 | Mary C. Vilk | 52 | Lodger | Bealer | Massachusetts |
| 68 | Percy F. Jackson | 57 | Head | Carpenter | Vermont |
| 69 | Grace Jackson | 46 | Wife | — | Massachusetts |
| 70 | Bertha Jackson THIS PERSON | 22 | Daughter | Secretary | Massachusetts |
| 71 | Evelyn Jackson | 16 | Daughter | — | Massachusetts |
| 72 | Jane Jackson | 13 | Daughter | — | Massachusetts |
| 73 | Percy F. Jr. Jackson | 8 | Son | — | Massachusetts |
| 74 | Peno Ganiboni | 25 | Head | Laborer | Massachusetts |
| 75 | Eleanor Ganiboni | 24 | Wife | — | Massachusetts |
| 76 | Robert L. Ganiboni | 3 | Son | — | Massachusetts |
| 77 | Carol A. Ganiboni | 1 | Daughter | — | Massachusetts |
| 78 | Edmond Dube | 69 | Head | Carpenter | French Canada |
| 79 | Lea Dube | 59 | Wife | — | French Canada |
| 80 | Gordon Mccarty | 30 | Head | Typesetter | Massachusetts |
Pedigree Summary
Bertha + 3 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)