JG
John Gill — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Gill across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 9-person household.
Age 27
b. ~1913
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Gill |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Pressman |
| Industry | Mica Supply Co |
| Class of Worker | PW |
| Hours Worked | 43 |
| Income (1939) | 1037 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Pressman |
| Township / Ward | Boston |
| Est. Birth Year | ~1913 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Richard Gill | Son | — | 17 | ~1923 |
| John Gill | Son | — | 27 | ~1913 |
| Dorothy Gill | Daughter | — | 25 | ~1915 |
| William Gill | Son | — | 11 | ~1929 |
| Elizabeth Gill | Daughter | — | 21 | ~1919 |
| John Gill | Head | — | 49 | ~1891 |
| Marguerite Gill | Daughter | — | 19 | ~1921 |
| Harry Gill | Other | — | 64 | ~1876 |
| Jennie Gill | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 16
Middlesex, Massachusetts · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gill |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Clerk |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 27
Suffolk-County, Massachusetts · implied b. ~1913 — 9 household members
| Surname | Gill |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Pressman |
| Industry | Mica Supply Co |
| Class of Worker | PW |
| Hours Worked | 43 |
| Income (1939) | 1037 |
| 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 Gill across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Gill
Son · 1940 · age 27 · b. ~1913 · Massachusetts
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Sibling
Richard Gill
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Gill
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marguerite Gill
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Gill
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Gill
Sibling · 1940 · age 21
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-t0627-01664-00533)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John E Noonan | 38 | Head | Investigator | Massachusetts |
| 42 | George Noonan | 36 | Son | Bookkeeper | Massachusetts |
| 43 | Louise Noonan | 34 | Daughter | Bookkeeper | Massachusetts |
| 44 | John Gill | 49 | Head | Foreman | Massachusetts |
| 45 | Jennie Gill | 46 | Wife | — | Massachusetts |
| 46 | John Gill THIS PERSON | 27 | Son | Pressman | Massachusetts |
| 47 | Dorothy Gill | 25 | Daughter | Box Maker | Massachusetts |
| 48 | Elizabeth Gill | 21 | Daughter | Waitress | Massachusetts |
| 49 | Marguerite Gill | 19 | Daughter | Card Work | Massachusetts |
| 50 | Richard Gill | 17 | Son | — | Massachusetts |
| 51 | William Gill | 11 | Son | — | Massachusetts |
| 52 | Harry Gill | 64 | Brother | — | Massachusetts |
| 53 | Timothy Hoban | 67 | Head | Salesman | New York |
| 54 | Mary E Hoban | 66 | Wife | — | Massachusetts |
| 55 | Roger J Hoban | 33 | Son | Bodman | New York |
| 56 | Nora Walsh | 69 | Sister-in-law | — | Massachusetts |
| 57 | Fannie M Martin | 65 | Lodger | Laundress | Massachusetts |
| 58 | John H Dunn | 70 | Head | — | Massachusetts |
| 59 | Lucy J Dunn | 67 | Wife | — | Massachusetts |
| 60 | Lorinda R Matthews | 49 | Sister-in-law | — | Massachusetts |
| 61 | Joseph K Matthews | 32 | Nephew | Senior Engineer Aide | Maine |
| 62 | Harold Matthews | 31 | Nephew | Chemist | Maine |
| 63 | Mary A Mccarthy | 73 | Head | — | Massachusetts |
| 64 | William S Mccarthy | 32 | Son | Electrical Engineer | Massachusetts |
| 65 | James F Hopkins | 77 | Brother | — | Massachusetts |
| 66 | Joseph Hopkins | 60 | Brother | Real Estate Operator | Massachusetts |
| 67 | Mary Kinsella | 65 | Lodger | Cleaner | Massachusetts |
| 68 | Mary Carey | 63 | Lodger | Typesetting | Massachusetts |
| 69 | Catherine Kelly | 64 | Lodger | — | Massachusetts |
| 70 | John A Bittman | 55 | Lodger | Checker | Massachusetts |
| 71 | William Kenney | 44 | Head | Packer | Massachusetts |
| 72 | Adelaide L Kenney | 41 | Wife | — | Massachusetts |
| 73 | Mary Zelinsky | 52 | Head | — | Latvia |
| 74 | Helen Zelinsky | 30 | Daughter | Seamstress | Massachusetts |
| 75 | Mary Zelinsky | 25 | Daughter | — | Massachusetts |
| 76 | Barbara Zelinsky | 6 | Granddaughter | — | Massachusetts |
| 77 | Ronald Zelinsky | 4 | Grandson | — | Massachusetts |
| 78 | Thomas B Mclaughlin | 45 | Head | Policeman | Massachusetts |
| 79 | Elizabeth G Mclaughlin | 34 | Wife | — | Massachusetts |
| 80 | Thomas F Mclaughlin | 14 | Son | — | Massachusetts |
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)