JG
Joseph Griffin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Joseph Griffin across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Griffin |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Peabody City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Peabody 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Patricia Griffin | Daughter | — | 9 | ~1931 |
| Marguerite Griffin | Daughter | — | 8 | ~1932 |
| Ruth Griffin | Daughter | — | 12 | ~1928 |
| Joseph Griffin | Son | — | 10 | ~1930 |
| George Griffin | Head | — | 46 | ~1894 |
| Marie Griffin | Spouse | — | 46 | ~1894 |
| Florence Griffin | Daughter | — | 17 | ~1923 |
| Richard Griffin | Son | — | 7 | ~1933 |
Census Appearances
1930
Essex, Massachusetts
Son, age
Essex, Massachusetts · implied b. ~1930 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Joseph E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 10
Essex-County, Massachusetts · implied b. ~1930 — 8 household members
| Surname | Griffin |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Peabody City |
| 1935 Residence (County) | Essex |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| 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 Joseph Griffin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Griffin
Son · 1940 · age 10 · b. ~1930 · Massachusetts
★ You are viewing this record
Sibling
Marguerite Griffin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Griffin
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Griffin
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Griffin
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Griffin
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01588-00087)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leonard Mahoney | 16 | son | — | Massachusetts |
| 2 | George D. Griffin | 46 | head | Shaver | Massachusetts |
| 3 | Marie A. Griffin | 46 | wife | — | Massachusetts |
| 4 | Florence L. Griffin | 17 | daughter | — | Massachusetts |
| 5 | Ruth Griffin | 12 | daughter | — | Massachusetts |
| 6 | Joseph Griffin THIS PERSON | 10 | son | — | Massachusetts |
| 7 | Patricia Griffin | 9 | daughter | — | Massachusetts |
| 8 | Marguerite Griffin | 8 | daughter | — | Massachusetts |
| 9 | Richard Griffin | 7 | son | — | Massachusetts |
| 10 | Charles Bonfanti | 26 | head | Foreman | Massachusetts |
| 11 | Josephine Bonfanti | 21 | wife | — | Massachusetts |
| 12 | Angela M. Bonfanti | 1 | daughter | — | Massachusetts |
| 13 | Angelo Moschetto | 16 | lodger | Laborer | Massachusetts |
| 14 | George Pisano | 57 | head | Laborer | Italy |
| 15 | Carmela Pisano | 50 | wife | — | Italy |
| 16 | Grace Pisano | 14 | daughter | — | Massachusetts |
| 17 | Irina Pisano | 13 | daughter | — | Massachusetts |
| 18 | Joseph Castronovo | 58 | head | Laborer | Italy |
| 19 | Mary Castronovo | 48 | wife | — | Italy |
| 20 | James Castronovo | 29 | son | Laborer | Massachusetts |
| 21 | Tina Castronovo | 27 | daughter | Trimmer | Massachusetts |
| 22 | Sam Castronovo | 24 | son | Laborer | Massachusetts |
| 23 | Annie Castronovo | 20 | daughter | — | Massachusetts |
| 24 | Martin Bovis | 53 | head | Laborer | Italy |
| 25 | Margaret Bovis | 51 | wife | — | Italy |
| 26 | Peter Bovis | 23 | son | Laborer | Massachusetts |
| 27 | Americo Bovis | 20 | son | Sprayer | Massachusetts |
| 28 | Lena Bovis | 18 | daughter | Topper | Massachusetts |
| 29 | Mary Bovis | 14 | daughter | — | Massachusetts |
| 30 | Maurice Hammond | 70 | head | Laborer | Massachusetts |
| 31 | Fred Hammond | 46 | brother | Chauffeur | Massachusetts |
| 32 | Irene Hammond | 44 | daughter | Stitcher | Massachusetts |
| 33 | Nellie Dunney | 54 | head | Stitcher | Massachusetts |
| 34 | Elizabeth Dunney | 54 | sister | Stitcher | Massachusetts |
| 35 | Catherine Kelley | 67 | sister | — | Massachusetts |
| 36 | William J. Murphy | 41 | head | Chauffeur | Massachusetts |
| 37 | Catherine J. Murphy | 33 | wife | — | Massachusetts |
| 38 | Timothy J. Murphy | 5 | son | — | Massachusetts |
| 39 | Patrick H. Murphy | 75 | head | — | Massachusetts |
| 40 | Joseph A. Murphy | 36 | son | Rodman | 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)