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John Reardon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this John Reardon across the 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Reardon |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Grovesdale |
| 1935 Residence (County) | Windham |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Connecticut |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Blackstone |
| Est. Birth Year | ~1924 |
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 |
|---|---|---|---|---|
| William Reardon | Son | — | 12 | ~1928 |
| Barbara Reardon | Daughter | — | 8 | ~1932 |
| John Reardon | Head | — | 44 | ~1896 |
| Michael Carney | Other | — | 81 | ~1859 |
| John Reardon | Son | — | 16 | ~1924 |
| Richard Reardon | Son | — | 13 | ~1927 |
| Margaret Reardon | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 6
Middlesex, Massachusetts · implied b. ~1924 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reardon |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Worcester-County, Massachusetts
Son, age 16
Worcester-County, Massachusetts · implied b. ~1924 — 7 household members
| Surname | Reardon |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Grovesdale |
| 1935 Residence (County) | Windham |
| Highest Grade | Hs 3 |
| 1935 Residence | Connecticut |
| 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 16 · b. ~1924 · Massachusetts
★ You are viewing this record
Sibling
Richard Reardon
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Reardon
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Reardon
Sibling · 1940 · age 12
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 — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01645-00826)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wilfred Chaplin | 70 | Head | Watchman | Massachusetts |
| 42 | Agnes Chaplin | 53 | Wife | Cloth Inspector | England |
| 43 | Charles R. Chaplin | 12 | Grandson | — | Massachusetts |
| 44 | John A. Chaplin | 4 | Grandson | — | Massachusetts |
| 45 | Shirley M. Chaplin | 1 | Granddaughter | — | Massachusetts |
| 46 | Donat Bousquet | 61 | Head | Laborer | Canada |
| 47 | Elaine Bousquet | 31 | Daughter | — | Rhode Island |
| 48 | Arthur Gubbins | 35 | Son-in-law | Meat Cutter | Massachusetts |
| 49 | Anita Nault | 32 | Cousin | Twisting | Rhode Island |
| 50 | John Mellor | 41 | Head | Plush Weaver | Massachusetts |
| 51 | Lettie Mellor | 40 | Wife | — | Pennsylvania |
| 52 | John Mellor | 18 | Son | Electrician Helper | Rhode Island |
| 53 | Robert Mellor | 12 | Son | — | Massachusetts |
| 54 | Shirley Mellor | 12 | Daughter | — | Massachusetts |
| 55 | Donat Boisvert | 33 | Head | Painter | Massachusetts |
| 56 | Helen Boisvert | 28 | Wife | — | Massachusetts |
| 57 | Edward Boisvert | 5 | Son | — | Massachusetts |
| 58 | Claire Boisvert | 2 | Daughter | — | Massachusetts |
| 59 | John Francis Reardon | 44 | Head | Superintendent | New Jersey |
| 60 | Margaret Reardon | 41 | Wife | — | Massachusetts |
| 61 | John Reardon THIS PERSON | 16 | Son | — | Massachusetts |
| 62 | Richard Reardon | 13 | Son | — | Connecticut |
| 63 | William Reardon | 12 | Son | — | Connecticut |
| 64 | Barbara Reardon | 8 | Daughter | — | Connecticut |
| 65 | Michael Carney | 81 | Father-in-law | — | Ireland |
| 66 | Joseph Dannefrier|Dannefriez | 34 | Head | Overseer Weaving | Poland |
| 67 | Stephanie Dannefrier|Dannefriez | 55 | Wife | — | Poland |
| 68 | Leon F. Kenney | 33 | Head | Mender | Rhode Island |
| 69 | Ruth M. Kenney | 36 | Wife | — | Iowa |
| 70 | Linnea Kenney | 6 | Daughter | — | Rhode Island |
| 71 | Edward Warfield | 65 | Head | Farmer | Massachusetts |
| 72 | Susie Pond | 54 | Housekeeper | — | Massachusetts |
| 73 | Helen Pond | 22 | Sister | Typing Clerk | Massachusetts |
| 74 | Arvid Johnson | 32 | Farm Hand | Farm Hand | Sweden |
| 75 | George Ballou | 56 | Farm Hand | Farm Hand | Massachusetts |
| 76 | George Jaworski | 44 | Head | Weaver | Massachusetts |
| 77 | Angelina Jaworski | 43 | Wife | — | Massachusetts |
| 78 | Ann Jaworski | 16 | Daughter | — | Massachusetts |
| 79 | Mary Jaworski | 14 | Daughter | — | Massachusetts |
| 80 | Dante Jaworski | 11 | Son | — | Massachusetts |
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)