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John Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Jackson across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Nathan & Mary — first a head (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Jackson |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1914 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Lillian Jackson | Daughter | — | 2 | ~1938 |
| John Jackson | Head | — | 26 | ~1914 |
| Alma Jackson | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 5
Suffolk, Massachusetts · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 15
Suffolk, Massachusetts · implied b. ~1915 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 26
Suffolk-County, Massachusetts · implied b. ~1914 — 3 household members
| Surname | Jackson |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Highest Grade | H-1 |
| 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 Nathan Jackson (~0.92 confidence) and mother Mary Jackson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nathan Jackson
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Mary Jackson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Jackson
Head · 1940 · age 26 · b. ~1914 · 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01667-00707)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marion X Schilling | 38 | head | Sorter | Massachusetts |
| 42 | Arthur Schilling | 18 | son | Clerk | Massachusetts |
| 43 | Rita Schilling | 16 | daughter | — | Massachusetts |
| 44 | Joseph Malloch | 41 | Head | Chauffeur | Canada English |
| 45 | Helen X Malloch | 39 | wife | — | Massachusetts |
| 46 | Pearl Malloch | 18 | son | — | Massachusetts |
| 47 | Joseph Malloch | 16 | son | New Worker | Massachusetts |
| 48 | James Malloch | 15 | son | — | Massachusetts |
| 49 | Barbara Malloch | 13 | daughter | — | Massachusetts |
| 50 | Hazel Malloch | 6 | daughter | — | Massachusetts |
| 51 | John Malloch | 4 | son | — | Massachusetts |
| 52 | Misto Aristide | 36 | head | Salesman | Albania |
| 53 | Constance X Aristide | 26 | wife | — | Albania |
| 54 | George Aristide | 6 | son | — | Massachusetts |
| 55 | Peter Aristide | 3 | son | — | Massachusetts |
| 56 | John Passon | 43 | head | Peddler | Massachusetts |
| 57 | Mary X Passon | 41 | wife | — | Massachusetts |
| 58 | Edward Rodd | 65 | head | — | Canada English |
| 59 | Anne X Rodd | 62 | wife | — | Canada English |
| 60 | Warren Rodd | 21 | son | Clerk | Massachusetts |
| 61 | Mary X Kearney | 65 | head | — | Northern Ireland |
| 62 | Daniel Kearney | 49 | son | — | Massachusetts |
| 63 | Rita Kearney | 17 | daughter | — | Massachusetts |
| 64 | Daniel Kearney | 15 | son | — | Massachusetts |
| 65 | Katherine Kearney | 14 | daughter | — | Massachusetts |
| 66 | Edward Kearney | 14 | son | — | Massachusetts |
| 67 | Martha X Willett | 51 | head | — | Massachusetts |
| 68 | Josephine Willett | 17 | daughter | — | Massachusetts |
| 69 | Evelyn X Crosby | 41 | head | — | Massachusetts |
| 70 | Joseph Crosby | 44 | brother | Chauffeur | Massachusetts |
| 71 | Harold Crosby | 45 | brother | Salesman | Massachusetts |
| 72 | Joseph Crosby | 13 | grandchild | — | Massachusetts |
| 73 | Harold Crosby | 11 | grandchild | — | Massachusetts |
| 74 | William Crosby | 2 | grandchild | — | Massachusetts |
| 75 | John Jackson THIS PERSON | 26 | head | — | Massachusetts |
| 76 | Alma X Jackson | 24 | wife | — | Massachusetts |
| 77 | Lillian Jackson | 2 | daughter | — | Massachusetts |
| 78 | Mary X Marting | 51 | head | — | Poland |
| 79 | Francis Marting | 22 | son | Laborer | Massachusetts |
| 80 | Leo Marting | 15 | son | New Worker | Massachusetts |
Pedigree Summary
John
Gen 1 · 2 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)