JF
John French — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John French across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Newfoundland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | French |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Newfoundland |
| 1935 Residence (City) | REVERE CITY |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Machine Operator |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth Country | Canada |
| Birthplace (normalized) | newfoundland |
| Occupation | Machine Operator |
| Township / Ward | Revere 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mabel French | Daughter | — | 18 | ~1922 |
| Edward French | Head | — | 49 | ~1891 |
| John French | Son | — | 21 | ~1919 |
| Edward French | Son | — | 15 | ~1925 |
| Elmer French | Son | — | 14 | ~1926 |
| Donald French | Son | — | 9 | ~1931 |
| Blanche French | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 11
Suffolk, Massachusetts · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | French |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Newfoundland |
| Naturalization Status | Alien |
| Year of Immigration | 1923 |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | Newfoundland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | newfoundland |
1940
Suffolk-County, Massachusetts
Son, age 21
Suffolk-County, Massachusetts · implied b. ~1919 — 7 household members
| Surname | French |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Newfoundland |
| 1935 Residence (City) | REVERE CITY |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Occupation | Machine Operator |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth Country | Canada |
| Birthplace (normalized) | newfoundland |
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 French across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John French
Son · 1940 · age 21 · b. ~1919 · Massachusetts
★ You are viewing this record
Sibling
Elmer French
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward French
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel French
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald French
Sibling · 1940 · age 9
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-t0627-01643-00206)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis Berfield | 63 | Head | Presser | Russia |
| 2 | Sadie Berfield | 59 | Wife | — | Russia |
| 3 | Rose Berfield | 38 | Daughter | Bookkeeper | Russia |
| 4 | Max Berfield | 34 | Son | Chauffer | Russia |
| 5 | Morris Berfield | 25 | Son | Newsboy | Massachusetts |
| 6 | Betty Berfield | 20 | Daughter | — | Massachusetts |
| 7 | Bernard Kotzen | 32 | Head | Dept. Head | Massachusetts |
| 8 | Regina Kotzen | 24 | Wife | — | Massachusetts |
| 9 | William Kotzen | 4 | Son | — | Massachusetts |
| 10 | Morris Goldman | 38 | Head | Clerk | Massachusetts |
| 11 | Anna Goldman | 38 | Wife | — | Russia |
| 12 | Leonard Goldman | 13 | Son | — | Massachusetts |
| 13 | Arnold Goldman | 10 | Son | — | Massachusetts |
| 14 | Celia Bluhm | 26 | Sister in law | Salesgirl | Massachusetts |
| 15 | Gertrude Bluhm | 22 | Sister in law | Salesgirl | Massachusetts |
| 16 | Flora Mazer | 49 | Head | Stitcher | New York |
| 17 | Sylvia Mazer | 22 | Daughter | Salesgirl | Massachusetts |
| 18 | Fanny Gold | 60 | Head | — | Russia |
| 19 | Deborah Gold | 37 | Daughter | History Teacher | Rhode Island |
| 20 | Eva Gold | 28 | Daughter | Clerk | Massachusetts |
| 21 | Harriet Gold | 26 | Daughter | Office Clerk | Massachusetts |
| 22 | Edward French | 49 | Head | Carpenter | Newfoundland |
| 23 | Blanche French | 48 | Wife | — | Newfoundland |
| 24 | John L. French THIS PERSON | 21 | Son | Machine Operator | Newfoundland |
| 25 | Mabel E. French | 18 | Daughter | — | Newfoundland |
| 26 | Edward G. French | 15 | Son | — | Massachusetts |
| 27 | Elmer S. French | 14 | Son | — | Massachusetts |
| 28 | Donald J. French | 9 | Son | — | Massachusetts |
| 29 | Max Sugerman | 56 | Head | — | Russia |
| 30 | Fenna Sugerman | 31 | Wife | — | Russia |
| 31 | Barney Sugerman | 31 | Son | General Work | Massachusetts |
| 32 | James Sugerman | 17 | Son | New Worker | Massachusetts |
| 33 | Joseph Sugerman | 12 | Son | — | Massachusetts |
| 34 | Pinkus Blaustin | 52 | Head | House-Painter | Austria |
| 35 | Celia Blaustin | 55 | Wife | — | Russia |
| 36 | Margaret Blaustin | 25 | Daughter | Cashier | Massachusetts |
| 37 | Isabell Blaustin | 20 | Daughter | — | Massachusetts |
| 38 | Jennie Blaustin | 18 | Daughter | Secretary | Massachusetts |
| 39 | Esther Blaustin | 13 | Daughter | — | Massachusetts |
| 40 | Ethel Calichman | 52 | Head | — | Russia |
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)