JF
John Fletcher — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Fletcher across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 5-person household.
Age 66
b. ~1874
Male
Head
Born: New Hampshire
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Fletcher |
| Given Name | John E. (Ab) |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Insurance Broker |
| Industry | Insurance Company |
| Class of Worker | PW |
| Hours Worked | 15 |
| Income (1939) | 200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Insurance Broker |
| Township / Ward | Boston City |
| Est. Birth Year | ~1874 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Grace Finley | Daughter | — | 33 | ~1907 |
| John Fletcher | Head | — | 66 | ~1874 |
| Barbara Finley | Other | — | 3 | ~1937 |
| George Finley | Other | — | 38 | ~1902 |
| Mary Fletcher | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Suffolk, Massachusetts
Head, age 44
Suffolk, Massachusetts · implied b. ~1876 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fletcher |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Agent |
| Industry | Real Estate |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Middlesex, Massachusetts
Head, age 56
Middlesex, Massachusetts · implied b. ~1874 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fletcher |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 45 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Credit Manager |
| Industry | Wholesale Grocery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 45 |
| Radio Set | R |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Suffolk-County, Massachusetts
Head, age 66
Suffolk-County, Massachusetts · implied b. ~1874 — 5 household members
| Surname | Fletcher |
| Given Name | John E. (Ab) |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Insurance Broker |
| Industry | Insurance Company |
| Class of Worker | PW |
| Hours Worked | 15 |
| Income (1939) | 200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Fletcher across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
John Fletcher
Head · 1940 · age 66 · b. ~1874 · Massachusetts
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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-t0627-01679-00424)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph F. Walsh | 40 | Head | Vice President | Massachusetts |
| 42 | Bernice Walsh | 39 | Wife | — | Massachusetts |
| 43 | Claire Walsh | 15 | Daughter | — | Massachusetts |
| 44 | Joseph Jr. Walsh | 13 | Son | — | Massachusetts |
| 45 | Judith A. Walsh | 5 | Daughter | — | Massachusetts |
| 46 | Martha A. Walsh | 5 | Daughter | — | Massachusetts |
| 47 | William J. Keuk | 45 | Head | Proprietor | Massachusetts |
| 48 | Mary M. Keuk | 35 | Wife | — | Massachusetts |
| 49 | William H. Keuk | 3 | Son | — | Massachusetts |
| 50 | Ursula A. Keuk | 1 | Daughter | — | Massachusetts |
| 51 | Annie Mcnulty | 65 | Mother-in-law | — | Ireland |
| 52 | John J. Mcnulty | 30 | Brother-in-law | Chauffeur | Massachusetts |
| 53 | Nils B. Hylander | 50 | Head | Sheet Metal Worker | Sweden |
| 54 | Ester Hylander | 40 | Wife | — | Connecticut |
| 55 | Ruth Hylander | 17 | Daughter | — | Massachusetts |
| 56 | Edmund Hylander | 15 | Son | — | Massachusetts |
| 57 | Walter J. Killoren | 50 | Head | Asst. Purchasing Agent | Massachusetts |
| 58 | Mildred M. Killoren | 46 | Wife | — | Massachusetts |
| 59 | Robert W. Killoren | 18 | Son | — | Massachusetts |
| 60 | Mildred P. Killoren | 17 | Daughter | — | Massachusetts |
| 61 | Thomas P. Clark | 47 | Head | Proprietor + Owner | Massachusetts |
| 62 | Mary H. Clark | 47 | Wife | — | New York |
| 63 | John P. Clark | 21 | Son | Counsellor | Massachusetts |
| 64 | Thomas Jr. Clark | 13 | Son | — | Massachusetts |
| 65 | Gerald A. Clark | 8 | Son | — | Massachusetts |
| 66 | Winthrop L. Wallace | 72 | Head | Bookkeeper | Massachusetts |
| 67 | Phresh C. Wallace | 69 | Sister | — | Massachusetts |
| 68 | John D. Campbell | 74 | Servant | General Man | Canada-Eng |
| 69 | Oscar H. Swanson | 36 | Head | Draftsman | Massachusetts |
| 70 | Kristine E. Swanson | 34 | Wife | — | Massachusetts |
| 71 | Gail A. Swanson | 5 | Daughter | — | Massachusetts |
| 72 | John E. (Ab) Fletcher THIS PERSON | 66 | Head | Insurance Broker | New Hampshire |
| 73 | Mary T. (Ab) Fletcher | 64 | Wife | — | Canada-Eng |
| 74 | Grace B. Finley | 33 | Daughter | — | Massachusetts |
| 75 | George L. Finley | 38 | Son-in-law | Salesman | Massachusetts |
| 76 | Barbara Lee Finley | 3 | Granddaughter | — | Massachusetts |
| 77 | Gerhard Dietrichson | 56 | Head | Professor | Wisconsin |
| 78 | Mary W. Dietrichson | 56 | Wife | Librarian | Wisconsin |
| 79 | Lines Extra | None | OVERESTIMATED | — | — |
| 80 | — | None | — | — | — |
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)