JG
John Gleason — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Gleason across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Margaret & Mary — first a son (b.~1902), then head of a 3-person household.
Age 38
b. ~1902
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Gleason |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Chelsea city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Yard-man |
| Industry | Standard Oil Co. help at plant. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Yard-Man |
| Township / Ward | Chelsea City |
| Est. Birth Year | ~1902 |
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 |
|---|---|---|---|---|
| John Gleason | Son | — | 38 | ~1902 |
| Francis Gleason | Son | — | 35 | ~1905 |
| Margaret Gleason | Head | — | 69 | ~1871 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 16
Suffolk, Massachusetts · implied b. ~1904 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gleason |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Clerk |
| Industry | Store |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 26
Suffolk, Massachusetts · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gleason |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 25 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Helper |
| Industry | Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 38
Suffolk-County, Massachusetts · implied b. ~1902 — 3 household members
| Surname | Gleason |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Chelsea city |
| 1935 Residence (County) | Suffolk |
| Occupation | Yard-man |
| Industry | Standard Oil Co. help at plant. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| 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 Gleason across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Gleason (~0.92 confidence) and mother Mary Gleason (~0.92 confidence) and mother Mary Gleason (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Gleason
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Mary Gleason
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Mary Gleason
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Gleason
Son · 1940 · age 38 · b. ~1902 · Massachusetts
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Sibling
Francis Gleason
Sibling · 1940 · age 35
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 — 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-t0627-01641-00563)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry R. Fera | 16 | Son | Peddler | Massachusetts |
| 2 | John H. Fitzgerald | 53 | Head | Inspector | Massachusetts |
| 3 | Catherine P. Fitzgerald | 53 | Wife | House Keeper | Eire |
| 4 | Ethel Fitzgerald | 24 | daughter | Teacher | Massachusetts |
| 5 | Leona Fitzgerald | 25 | daughter | Stenographer | Massachusetts |
| 6 | Rita Fitzgerald | 23 | daughter | Substitute Teacher | Massachusetts |
| 7 | John Fitzgerald | 19 | son | New Worker | Massachusetts |
| 8 | Edward Mathews | 29 | Head | Service Man | Massachusetts |
| 9 | Edwige Mathews | 28 | wife | House Keeper | Massachusetts |
| 10 | Edward Mathews | 5 | son | — | Massachusetts |
| 11 | Robert Mathews | 1 | son | — | Massachusetts |
| 12 | Melas Manzerale | 68 | Head | Running Bus | Canada French |
| 13 | Judith M. Manzerale | 76 | wife | House Keeper | Canada French |
| 14 | Mary Mc Lellan | 47 | Head | House Keeper | Massachusetts |
| 15 | Helen Mc Lellan | 17 | daughter | New Worker | Massachusetts |
| 16 | John Moriarity | 30 | son-in-law | Clerical Work. | Massachusetts |
| 17 | Mary Moriarity | 26 | daughter | Waitress | Massachusetts |
| 18 | Gertrude Moriarity | 1 | granddaughter | — | Massachusetts |
| 19 | John Clark | 50 | Head | Electrician | Massachusetts |
| 20 | Mary E. Clark | 50 | Wife | House Keeper | Massachusetts |
| 21 | Marie Clark | 20 | daughter | New Worker | Massachusetts |
| 22 | Daniel Hanlon | 87 | father-in-law | Laborer | Eire |
| 23 | James J. Buckley | 44 | Head | Roller Maker | Massachusetts |
| 24 | Agnes Buckley | 43 | wife | House Keeper | Massachusetts |
| 25 | James Buckley | 15 | son | New Worker | Massachusetts |
| 26 | Margaret Gleason | 69 | Head | House Keeper | Eire |
| 27 | Francis Gleason | 35 | son | Wool Finisher | Massachusetts |
| 28 | John Gleason THIS PERSON | 38 | son | Yard-Man | Massachusetts |
| 29 | Joseph A. Welsh | 52 | Head | Assistant Undertaker | Massachusetts |
| 30 | Mary C. Welsh | 49 | wife | House Keeper | Massachusetts |
| 31 | William H. Welsh | 24 | son | Truck Driver | Massachusetts |
| 32 | Margaret Welsh | 22 | daughter | New Worker | Massachusetts |
| 33 | Lucy A. A'Hearn | 43 | Head | Clerk | Massachusetts |
| 34 | — | None | — | — | — |
| 35 | Mary E. Adonian | 52 | Head | Stitcher | Canada English |
| 36 | Howard Kenneth Adonian | 15 | grandson | New Worker | Massachusetts |
| 37 | John A. Adonian | 62 | brother | Inspector | Canada English |
| 38 | Joseph J. Connelly | 62 | Head | Supervising Clerk | Massachusetts |
| 39 | Elizabeth Connelly | 61 | wife | House Keeper | Massachusetts |
| 40 | Joseph Mc Donough | 41 | son-in-law | Longshoreman | Massachusetts |
Pedigree Summary
John + 1 sibling
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)