JS
John Scanlon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Scanlon across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1900), then head of a 10-person household.
Age 40
b. ~1900
Male
Head
Born: Newfoundland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Scanlon |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Newfoundland |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Laborer |
| Industry | Contractor |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 38 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Canada |
| Birthplace (normalized) | newfoundland |
| Occupation | Laborer |
| Township / Ward | Boston City |
| Est. Birth Year | ~1900 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Scanlon | Spouse | — | 38 | ~1902 |
| Mary Scanlon | Daughter | — | 17 | ~1923 |
| John Scanlon | Son | — | 2 | ~1938 |
| Jacqueline Scanlon | Daughter | — | 3 | ~1937 |
| John Scanlon | Head | — | 40 | ~1900 |
| Joan Scanlon | Daughter | — | 15 | ~1925 |
| William Scanlon | Son | — | 8 | ~1932 |
| Daniel Scanlon | Son | — | 7 | ~1933 |
| Kathleen Scanlon | Daughter | — | 13 | ~1927 |
| Bernice Scanlon | Daughter | — | 4 | ~1936 |
Census Appearances
1930
Middlesex, Massachusetts
Head, age 31
Middlesex, Massachusetts · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Scanlan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Newfoundland |
| Naturalization Status | Alien |
| Year of Immigration | 1907 |
| Age at First Marriage | 24 |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | Newfoundland |
| Occupation | Laborer |
| Industry | Soap Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 25.00 |
| Birth Country | Canada |
| Birthplace (normalized) | newfoundland |
1940
Suffolk-County, Massachusetts
Head, age 40
Suffolk-County, Massachusetts · implied b. ~1900 — 10 household members
| Surname | Scanlon |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Newfoundland |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Occupation | Laborer |
| Industry | Contractor |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 38 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| 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 Scanlon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Scanlon
Head · 1940 · age 40 · b. ~1900 · Massachusetts
★ You are viewing this record
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-t0627-01670-00362)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marge Hatch | 40 | Head | Religious Education | Mass |
| 42 | Vivian A. Jackson | 40 | Head | District Nurse | Vermont |
| 43 | Elda B. Jackson | 62 | Mother | — | Vermont |
| 44 | Bernard Fitzgerald | 35 | Head | Auto Mechanic | Canada Eng |
| 45 | Gwendolyn Fitzgerald | 33 | Wife | — | Canada Eng |
| 46 | Bernard Fitzgerald | 14 | Son | — | Mass |
| 47 | Ronald Fitzgerald | 12 | Son | — | Mass |
| 48 | Robert B. Fitzgerald | 10 | Son | — | Mass |
| 49 | Ray Fitzgerald | 9 | Son | — | Mass |
| 50 | Walter Fitzgerald | 7 | Son | — | Mass |
| 51 | Donald Fitzgerald | 4 | Son | — | Mass |
| 52 | John J. Scanlon THIS PERSON | 40 | Head | Laborer | Newfoundland |
| 53 | Mary E. Scanlon | 38 | Wife | — | Mass |
| 54 | Mary Scanlon | 17 | Daughter | — | Mass |
| 55 | Joan Scanlon | 15 | Daughter | — | Mass |
| 56 | Kathleen Scanlon | 13 | Daughter | — | Mass |
| 57 | William Scanlon | 8 | Son | — | Mass |
| 58 | Daniel Scanlon | 7 | Son | — | Mass |
| 59 | Bernice Scanlon | 4 | Daughter | — | Mass |
| 60 | Jacqueline Scanlon | 3 | Daughter | — | Mass |
| 61 | John J. Jr. Scanlon | 2 | Son | — | Mass |
| 62 | Walter Johnson | 45 | Head | Laborer | Mass |
| 63 | Lulu Johnson | 36 | Wife | — | New York |
| 64 | Henry Poirier | 38 | Head | Longshoreman | Canada French |
| 65 | Lillian Poirier | 48 | Wife | — | Mass |
| 66 | Ronald Poirier | 9 | Son | — | Mass |
| 67 | Albert Newall | 42 | Head | Carpenter | Canada Eng |
| 68 | Lola Newall | 36 | Wife | — | Canada Eng |
| 69 | Raymond Newall | 11 | Son | — | Mass |
| 70 | Eleanor Newall | 6 | Daughter | — | Mass |
| 71 | Ruth Newall | 1 | Daughter | — | Mass |
| 72 | Raymond Nickerson | 61 | Head | Fisherman | Canada Eng |
| 73 | Minnie Nickerson | 61 | Wife | — | Canada Eng |
| 74 | Mary Mcbarron | 47 | Head | — | Mass |
| 75 | John F. Foster | 75 | Head | Superintendent | Mass |
| 76 | Miriam Foster | 73 | Wife | — | Mass |
| 77 | Susie Baker | 40 | Head | Chauffeur Butler | Jamaica |
| 78 | Marie Baker | 38 | Wife | — | Jamaica |
| 79 | Sydney Baker | 19 | Son | New Worker | Jamaica |
| 80 | Gladys Bentcliff | 60 | Head | Practical Nurse | Mass |
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)