JJ
John Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Jackson across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents James & Julia — first a son (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Jackson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | yarn inspector |
| Industry | Woolen Mill |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 650 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Yarn Inspector |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1916 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Julia Jackson | Head | — | 55 | ~1885 |
| John Sherryne | Other | — | 62 | ~1878 |
| Rita Jackson | Other | — | 21 | ~1919 |
| John Jackson | Son | — | 24 | ~1916 |
Census Appearances
1920
Essex, Massachusetts
Son, age 4
Essex, Massachusetts · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 14
Essex, Massachusetts · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 24
Essex-County, Massachusetts · implied b. ~1916 — 4 household members
| Surname | Jackson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Occupation | yarn inspector |
| Industry | Woolen Mill |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 650 |
| 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 John Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Jackson (~0.92 confidence) and mother Julia Jackson (~0.92 confidence) and mother Julia Jackson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Jackson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Julia Jackson
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Julia Jackson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Jackson
Son · 1940 · age 24 · b. ~1916 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01583-00427)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Lyons | 40 | Head | Piper | Massachusetts |
| 42 | Loretta Lyons | 40 | Wife | — | Massachusetts |
| 43 | John Lyons | 9 | Son | — | Massachusetts |
| 44 | Maurene Lyons | 7 | Daughter | — | Massachusetts |
| 45 | Joanne Lyons | 5 | Daughter | — | Massachusetts |
| 46 | Robert Lyons | 4 | Son | — | Massachusetts |
| 47 | William Keefe | 64 | Father-in-law | Laborer | Massachusetts |
| 48 | Julia Jackson | 55 | Head | Baker-Yarn | Massachusetts |
| 49 | John Jackson THIS PERSON | 24 | Son | Yarn Inspector | Massachusetts |
| 50 | Rita Jackson | 21 | Daughter-in-law | Winder | Massachusetts |
| 51 | John Sherryne | 62 | Brother | Cloth-Roller | Massachusetts |
| 52 | Matilda Campbell | 75 | Head | — | England |
| 53 | Mary Mcatee | 51 | Daughter | Drawer-Yarn | Massachusetts |
| 54 | Ruth Mcatee | 31 | Granddaughter | Clerk-Collector | Massachusetts |
| 55 | Winifred Barry | 42 | Head | 60 | Massachusetts |
| 56 | John Jr. Barry | 9 | Son | — | Massachusetts |
| 57 | Damon Morgene | 31 | Head | Web-Finish | Massachusetts |
| 58 | Mary Morgene | 27 | Wife | Winder | Massachusetts |
| 59 | Robert Moore | 69 | Head | Laborer | Canada-English |
| 60 | Mary E Moore | 67 | Wife | — | Canada-English |
| 61 | Victor Boitnik | 37 | Head | Back-Gang | Poland |
| 62 | Domenica Boitnik | 42 | Wife | Dyeing | Poland |
| 63 | Anastasia Boitnik | 22 | Daughter | Dryer-Tender | Massachusetts |
| 64 | Michile Boitnik | 12 | Son | — | Massachusetts |
| 65 | Valdas Kasauskas | 50 | Head | Baker | Lithuania |
| 66 | Veronica Kasauskas | 47 | Wife | — | Lithuania |
| 67 | Roland Divonke | 25 | Stepson | Salesman | Massachusetts |
| 68 | Mary Loda | 40 | Head | Weaver | Poland |
| 69 | Walter Loda | 17 | Son | — | Massachusetts |
| 70 | Stanley Killian | 59 | Head | Weaver | Poland |
| 71 | Julia Killian | 52 | Wife | — | Poland |
| 72 | John Killian | 29 | Son | Clerk | Massachusetts |
| 73 | Joseph Killian | 28 | Son | Drawer-English | Massachusetts |
| 74 | Carl Prudenskon | 46 | Head | Driver | Massachusetts |
| 75 | Nellie Prudenskon | 42 | Wife | — | Massachusetts |
| 76 | Nellie Prudenskon | 21 | Daughter | Twister | Massachusetts |
| 77 | Edith Prudenskon | 18 | Daughter | New Worker | Massachusetts |
| 78 | Carl Jr Prudenskon | 13 | Son | — | Massachusetts |
| 79 | Barbara Prudenskon | 8 | Daughter | — | Massachusetts |
Pedigree Summary
John
Gen 1 · 3 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)