JG
James Gill — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this James Gill across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Gill |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | P.O. Clerk |
| Industry | U.S. Mail |
| Class of Worker | GW |
| Hours Worked | 4 |
| Income (1939) | 500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | P.O. Clerk |
| Township / Ward | Boston City |
| Est. Birth Year | ~1919 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Gill | Daughter | — | 26 | ~1914 |
| Catherine Gill | Spouse | — | 50 | ~1890 |
| Thomas Gill | Head | — | 53 | ~1887 |
| William Gill | Son | — | 25 | ~1915 |
| James Gill | Son | — | 21 | ~1919 |
| John Gill | Son | — | 24 | ~1916 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 10
Suffolk, Massachusetts · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gillis |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada Eng |
| Mother's Birthplace | Canada Eng |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 21
Suffolk-County, Massachusetts · implied b. ~1919 — 6 household members
| Surname | Gill |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | P.O. Clerk |
| Industry | U.S. Mail |
| Class of Worker | GW |
| Hours Worked | 4 |
| Income (1939) | 500 |
| Highest Grade | Hs 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 James Gill across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Gill
Son · 1940 · age 21 · b. ~1919 · Massachusetts
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Sibling
Gertrude Gill
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Gill
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Gill
Sibling · 1940 · age 25
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-t0627-01665-00672)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Daniel V. Murphy | 54 | Head | Fireman | Massachusetts |
| 2 | Mary E. Murphy | 49 | Wife | — | Massachusetts |
| 3 | James A. Murphy | 26 | Son | Auto Mechanic | Massachusetts |
| 4 | Irene G. Murphy | 21 | Daughter | Waitress | Massachusetts |
| 5 | Vincent F. Murphy | 20 | Son | Auto Mechanic | Massachusetts |
| 6 | Mary Murphy | 8 | Daughter | — | Massachusetts |
| 7 | Nathan Hutchins | 57 | Head | Laborer | Massachusetts |
| 8 | Agnes C. Hutchins | 48 | Wife | — | Massachusetts |
| 9 | Phyllis Hutchins | 21 | Daughter | Waitress | Massachusetts |
| 10 | Lawrence Hutchins | 15 | Son | — | Massachusetts |
| 11 | Ralph Hutchins | 13 | Son | — | Massachusetts |
| 12 | Barbara Hutchins | 7 | Daughter | — | Massachusetts |
| 13 | Frederick B. Wall | 58 | Son-in-law | Waiter | Massachusetts |
| 14 | Gladys Wall | 27 | Wife | Teacher | Massachusetts |
| 15 | Frederick B. Jr. Wall | 3 | Nephew | — | Massachusetts |
| 16 | James Moynihan | 67 | Head | Lawyer | Massachusetts |
| 17 | Marion E. Moynihan | 45 | Wife | — | Massachusetts |
| 18 | Marion Moynihan | 12 | Daughter | — | Massachusetts |
| 19 | James Moynihan | 9 | Son | — | Massachusetts |
| 20 | Andrew Kihallen | 52 | Head | Electrician | Austria |
| 21 | Annie Doherty | 65 | Head | — | Ireland |
| 22 | Agnes Doherty | 32 | Daughter | Milliner | Massachusetts |
| 23 | Gertrude Doherty | 27 | Daughter | Milliner | Massachusetts |
| 24 | Edward Doherty | 25 | Son | Salesman | Massachusetts |
| 25 | Alice Doherty | 39 | Daughter | Stenographer | Massachusetts |
| 26 | Robert Campbell | 7 | Grandson | — | Massachusetts |
| 27 | James G. Wilkie | 62 | Head | Laborer | Nova Scotia |
| 28 | Annie V. Wilkie | 62 | Wife | Housekeeper | Eire |
| 29 | Elizabeth Burke | 74 | Head | — | Massachusetts |
| 30 | Elizabeth G. Burke | 39 | Daughter | Stenographer | Massachusetts |
| 31 | Helen Burke | 35 | Daughter | Tel. Operator | Massachusetts |
| 32 | Annie Kilday | 59 | Head | — | Eire |
| 33 | Elizabeth Bagley | 44 | Head | Office Clerk | Pennsylvania |
| 34 | Robert Smith | 50 | Cousin | Salesman | Massachusetts |
| 35 | Thomas J. Gill | 53 | Head | Pipe-Cutter | Massachusetts |
| 36 | Catherine Gill | 50 | Wife | — | Massachusetts |
| 37 | William Gill | 25 | Son | P.O. Clerk | Massachusetts |
| 38 | Gertrude Gill | 26 | Daughter | Inspector | Massachusetts |
| 39 | John Gill | 24 | Son | Coachman | Massachusetts |
| 40 | James Gill THIS PERSON | 21 | Son | P.O. Clerk | Massachusetts |
Related Census Records
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)