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John Saunders — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Saunders across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 12-person household.
Age 24
b. ~1916
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Saunders |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Gloucester City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Laborer |
| Industry | Shipyard |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Gloucester City |
| Est. Birth Year | ~1916 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Joseph Secunda | Son | — | 17 | ~1923 |
| Helen Chadwick | Other | — | 1 | ~1939 |
| Joseph Secunda | Head | — | 45 | ~1895 |
| Everett Secunda | Son | — | 12 | ~1928 |
| Robert Secunda | Son | — | 18 | ~1922 |
| George Chadwick | Other | — | 3 | ~1937 |
| Manuel Secunda | Son | — | 12 | ~1928 |
| John Saunders | Son | — | 24 | ~1916 |
| Beatrice Secunda | Daughter | — | 15 | ~1925 |
| Beatrice Secunda | Spouse | — | 44 | ~1896 |
| Frank Secunda | Son | — | 10 | ~1930 |
| Thelma Chadwick | Daughter | — | 25 | ~1915 |
Census Appearances
1930
Essex, Massachusetts
Son, age 14
Essex, Massachusetts · implied b. ~1916 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Saunders |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Azores Islands |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 24
Essex-County, Massachusetts · implied b. ~1916 — 12 household members
| Surname | Saunders |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Gloucester City |
| 1935 Residence (County) | Essex |
| Occupation | Laborer |
| Industry | Shipyard |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | No 7 |
| 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 John Saunders across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Saunders
Son · 1940 · age 24 · b. ~1916 · Massachusetts
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Sibling
Everett Secunda
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Secunda
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Manuel Secunda
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Secunda
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Secunda
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Secunda
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Chadwick
Sibling · 1940 · age 25
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-t0627-01579-00388)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rose, Mother T Rose | 13 | daughter | — | Massachusetts |
| 2 | Manuel J. Neville | 36 | Head | Fisherman | Massachusetts |
| 3 | Elsie A. Neville | 31 | wife | — | Massachusetts |
| 4 | Barbara Neville | 7 | daughter | — | Massachusetts |
| 5 | Claire Neville | 6 | daughter | — | Massachusetts |
| 6 | Roderick Neville | 4 | son | — | Massachusetts |
| 7 | Joyce A. Neville | 1 | daughter | — | Massachusetts |
| 8 | Manuel Andrade | 65 | Head | — | Portugal |
| 9 | Isabelle Andrade | 67 | wife | — | Portugal |
| 10 | Manuel P. Jr. Andrade | 41 | son | Fisherman | Massachusetts |
| 11 | Frank J. Andrade | 36 | son | Plumber | Massachusetts |
| 12 | Evelyn P. Andrade | 25 | daughter | Sales Clerk | Massachusetts |
| 13 | Albert C. Mello | 38 | Head | Laborer | Massachusetts |
| 14 | Constance Mello | 32 | wife | — | Portugal |
| 15 | John Mello | 7 | son | — | Massachusetts |
| 16 | Annie Lopes | 63 | mother-in-law | — | Portugal |
| 17 | Frank J. Rose | 31 | Head | Laborer | Massachusetts |
| 18 | Ruth M. Rose | 23 | wife | — | Massachusetts |
| 19 | Frank Iii Rose | 6 | son | — | Massachusetts |
| 20 | Robert D. Rose | 3 | son | — | Massachusetts |
| 21 | John Ribeiro | 31 | Head | Fisherman | Portugal |
| 22 | Irene Ribeiro | 29 | wife | — | Portugal |
| 23 | Joseph J. Secunda | 45 | Head | — | Massachusetts |
| 24 | Beatrice Secunda | 44 | wife | Laborer | Portugal |
| 25 | Robert Secunda | 18 | son | Laborer | Massachusetts |
| 26 | Joseph Secunda | 17 | son | Laborer | Massachusetts |
| 27 | Beatrice Secunda | 15 | daughter | — | Massachusetts |
| 28 | Everett Secunda | 12 | son | — | Massachusetts |
| 29 | Manuel Secunda | 12 | son | — | Massachusetts |
| 30 | Frank Secunda | 10 | son | — | Massachusetts |
| 31 | Thelma Chadwick | 25 | daughter | — | Massachusetts |
| 32 | John Saunders THIS PERSON | 24 | son | Laborer | Massachusetts |
| 33 | George Chadwick | 3 | grandson | — | Massachusetts |
| 34 | Helen M. Chadwick | 1 | granddaughter | — | Massachusetts |
| 35 | Marie L. Previch | 74 | Head | — | Sweden |
| 36 | Lillian Johnson | 40 | daughter | — | Massachusetts |
| 37 | Lorraine Johnson | 6 | granddaughter | — | Massachusetts |
| 38 | Phyllis Johnson | 3 | granddaughter | — | Massachusetts |
| 39 | John O. Cronin | 37 | son-in-law | Fisherman | Sweden |
| 40 | Manuel Dias | 30 | Head | Fisherman | Portugal |
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)