JW
John Whalen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Whalen across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 10-person household.
Age 17
b. ~1923
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Whalen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | new worker |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | G 5 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | New Worker |
| Township / Ward | Lawrence |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Phyllis Whalen | Daughter | — | 6 | ~1934 |
| Donald Whalen | Son | — | 9 | ~1931 |
| Francis Whalen | Son | — | 15 | ~1925 |
| Patricia Whalen | Daughter | — | 11 | ~1929 |
| John Whalen | Son | — | 17 | ~1923 |
| John Whalen | Head | — | 39 | ~1901 |
| Ruth Whalen | Daughter | — | 13 | ~1927 |
| Clifford Whalen | Son | — | 2 | ~1938 |
| Frederick Whalen | Son | — | 19 | ~1921 |
| Beatrice Whalen | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Essex, Massachusetts
Son, age 7
Essex, Massachusetts · implied b. ~1923 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Whalen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | New Hampshire |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 17
Essex-County, Massachusetts · implied b. ~1923 — 10 household members
| Surname | Whalen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence |
| 1935 Residence (County) | Essex |
| Occupation | new worker |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | G 5 |
| 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 Whalen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Whalen
Son · 1940 · age 17 · b. ~1923 · Massachusetts
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Sibling
Patricia Whalen
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Whalen
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Whalen
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Whalen
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Whalen
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Whalen
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Whalen
Sibling · 1940 · age 2
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-t0627-01584-00082)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence A Blais | 32 | Wife | Winder | Massachusetts |
| 2 | Rena J Blais | 13 | Son | — | Massachusetts |
| 3 | Clare Blais | 11 | Daughter | — | Massachusetts |
| 4 | Albert Pomaleau | 52 | Head | Cook | Canada French |
| 5 | Mary A Pomaleau | 42 | Wife | — | Canada French |
| 6 | Ronaldo Pomaleau | 22 | Son | Counterman | Canada French |
| 7 | Edward Pomaleau | 20 | Son | Counterman | Canada French |
| 8 | Herve Pomaleau | 15 | Son | Counterman | Massachusetts |
| 9 | Jane Pomaleau | 16 | Daughter | — | Massachusetts |
| 10 | Rita Pomaleau | 13 | Daughter | — | Massachusetts |
| 11 | Lorraine Pomaleau | 12 | Daughter | — | Massachusetts |
| 12 | Doris Pomaleau | 6 | Daughter | — | Massachusetts |
| 13 | John Ross | 43 | Head | Turner | Massachusetts |
| 14 | Mary E Ross | 62 | Wife | — | Portugal |
| 15 | Lenora Mendoza | 24 | Stepdaughter | Laborer | Massachusetts |
| 16 | John Whalen | 39 | Head | Bus Operator | Rhode Island |
| 17 | Beatrice Whalen | 35 | Wife | — | New Hampshire |
| 18 | Frederick Whalen | 19 | Son | New Worker | Massachusetts |
| 19 | John Whalen THIS PERSON | 17 | Son | New Worker | Massachusetts |
| 20 | Francis Whalen | 15 | Son | — | Massachusetts |
| 21 | Ruth Whalen | 13 | Daughter | — | Massachusetts |
| 22 | Patricia Whalen | 11 | Daughter | — | Massachusetts |
| 23 | Donald Whalen | 9 | Son | — | Massachusetts |
| 24 | Phyllis Whalen | 6 | Daughter | — | Massachusetts |
| 25 | Clifford Whalen | 2 | Son | — | Massachusetts |
| 26 | Lottie E Ward | 31 | Head | Mender | Canada French |
| 27 | Aime Cayer | 53 | Head | Bus Operator | Canada French |
| 28 | Sylvia E Cayer | 53 | Wife | — | Canada French |
| 29 | John J. Connors | 37 | Head | Pinsetter | Massachusetts |
| 30 | William Connors | 35 | Brother | Shipper | Massachusetts |
| 31 | Maurice Connors | 26 | Brother | Wool Shop | Massachusetts |
| 32 | Florence Connors | 25 | Sister | N.Y.A. New Worker | Massachusetts |
| 33 | Jeremiah F. Flynn | 79 | Head | — | Massachusetts |
| 34 | Mary C Flynn | 65 | Wife | — | Massachusetts |
| 35 | Mary Flynn | 35 | Daughter | — | Massachusetts |
| 36 | Celia Flynn | 32 | Daughter | School Teacher | Massachusetts |
| 37 | Geraldine Flynn | 28 | Daughter | Typist | Massachusetts |
| 38 | Edward J. Devlin | 49 | Head | W.P.A. | Massachusetts |
| 39 | Mary E Devlin | 43 | Wife | Drawer | Massachusetts |
| 40 | Cecelia Devlin | 20 | Daughter | New Worker | 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)