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John Reardon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Reardon across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 7-person household.
Age 10
b. ~1930
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Reardon |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Newton |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1930 |
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 |
|---|---|---|---|---|
| John Reardon | Son | — | 10 | ~1930 |
| Edward Reardon | Son | — | 7 | ~1933 |
| Charles Reardon | Son | — | 5 | ~1935 |
| Mary Reardon | Spouse | — | 36 | ~1904 |
| John Reardon | Head | — | 41 | ~1899 |
| Louise Reardon | Daughter | — | 6 | ~1934 |
| Francis Reardon | Son | — | 12 | ~1928 |
Census Appearances
1930
Norfolk, Massachusetts
Son, age
Norfolk, Massachusetts · implied b. ~1930 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reardon |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 10
Suffolk-County, Massachusetts · implied b. ~1930 — 7 household members
| Surname | Reardon |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Newton |
| Highest Grade | 3 |
| 1935 Residence | Massachusetts |
| 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 Reardon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Reardon
Son · 1940 · age 10 · b. ~1930 · Massachusetts
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Sibling
Edward Reardon
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Reardon
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Reardon
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Reardon
Sibling · 1940 · age 5
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-t0627-01679-00005)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Boutiette | 2 | Son | — | Massachusetts |
| 42 | William Boutiette | 1 | Son | — | Massachusetts |
| 43 | Gerald R. Wolfe | 28 | Head | Janitor | Canada-English |
| 44 | Virginia M. Wolfe | 24 | Wife | — | Maine |
| 45 | Nella Wolfe | 1 | Daughter | — | Massachusetts |
| 46 | Anthony Raposa | 32 | Head | Electric Welder | Massachusetts |
| 47 | Leopoldina Raposa | 28 | Wife | — | Massachusetts |
| 48 | Pauline Raposa | 3 | Daughter | — | Massachusetts |
| 49 | Anthony Jr. Raposa | 1 | Daughter | — | Massachusetts |
| 50 | John F. Duffy | 35 | Head | Truck Driver | Massachusetts |
| 51 | Frances Duffy | 31 | Wife | — | Massachusetts |
| 52 | Patricia Duffy | 13 | Daughter | — | Massachusetts |
| 53 | Thomas J. Duffy | 11 | Son | — | Massachusetts |
| 54 | John F. Duffy | 9 | Son | — | Massachusetts |
| 55 | Joseph C. Mckenna | 32 | Head | Service Man | Massachusetts |
| 56 | Florence E. Mckenna | 29 | Wife | — | Massachusetts |
| 57 | John Mckenna | 2 | Son | — | Massachusetts |
| 58 | John J. Reardon | 41 | Head | Street Railway Porter | Irish Free State |
| 59 | Mary B. Reardon | 36 | Wife | — | Irish Free State |
| 60 | Francis Reardon | 12 | Son | — | Massachusetts |
| 61 | John L. Reardon THIS PERSON | 10 | Son | — | Massachusetts |
| 62 | Edward M. Reardon | 7 | Son | — | Massachusetts |
| 63 | Louise A. Reardon | 6 | Daughter | — | Massachusetts |
| 64 | Charles R. Reardon | 5 | Son | — | Massachusetts |
| 65 | Richard L. Fusber | 36 | Head | Truck Driver | Massachusetts |
| 66 | Esther R. Fusber | 35 | Wife | — | Massachusetts |
| 67 | Carol Fusber | 5 | Daughter | — | Massachusetts |
| 68 | David J. Kenney | 51 | Head | Mechanical Adjuster | Massachusetts |
| 69 | Lillian M. Kenney | 31 | Wife | — | Canada-English |
| 70 | Roger J. Kelly | 7 | Son | — | Massachusetts |
| 71 | Ernest W. Blinn | 42 | Head | Wood Caulker | Massachusetts |
| 72 | Dora Blinn | 29 | Wife | — | Massachusetts |
| 73 | Louise E. Blinn | 15 | Daughter | — | Massachusetts |
| 74 | Shirley E. Blinn | 13 | Daughter | — | Massachusetts |
| 75 | Ruth E. Blinn | 12 | Daughter | — | Massachusetts |
| 76 | Charles E. Hughes | 47 | Head | Bill Poster | Massachusetts |
| 77 | Altina F. Hughes | 54 | Wife | — | Massachusetts |
| 78 | Kenneth L. Mckenzie | 33 | Head | Radio Technician | Massachusetts |
| 79 | Violet M. Mckenzie | 36 | Wife | Dress Stitcher | Poland |
| 80 | Russell Stockman | 55 | Lodger | — | 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)