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William Whalen — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this William Whalen across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 24-person household.
Age 7
b. ~1923
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Whalen |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada English |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Arlington Town Part |
| 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.
24 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Alice Whalen | Daughter | — | 17 | ~1913 |
| Robert Whalen | Son | — | 9 | ~1921 |
| Richard Whalen | Son | — | 3 | ~1927 |
| Paul Whalen | Son | — | 1 | ~1929 |
| Catherine Whalen | Other | — | 40 | ~1890 |
| Mary Whalen | Other | — | 75 | ~1855 |
| Paul Whalen | Other | — | 19 | ~1911 |
| Richard Whalen | Other | — | 21 | ~1909 |
| Thomas Whalen | Other | — | 29 | ~1901 |
| John Whalen | Other | — | 38 | ~1892 |
| Annie Whalen | Spouse | — | 45 | ~1885 |
| James Whalen | Son | — | 5 | ~1925 |
| Catherine Whalen | Daughter | — | ~1930 | |
| Thomas Whalen | Head | — | 45 | ~1885 |
| Alice Whalen | Other | — | 31 | ~1899 |
| William Whalen | Other | — | 27 | ~1903 |
| James Whalen | Other | — | 25 | ~1905 |
| Mary Whalen | Daughter | — | 11 | ~1919 |
| Thomas Whalen | Son | — | 15 | ~1915 |
| Robert Whalen | Other | — | 23 | ~1907 |
| Annie Whalen | Other | — | 35 | ~1895 |
| Margaret Whalen | Other | — | 33 | ~1897 |
| William Whalen | Son | — | 7 | ~1923 |
| John Whalen | Son | — | 13 | ~1917 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 7
Middlesex, Massachusetts · implied b. ~1923 — 24 household members
| Surname | Whalen |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada English |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 17
Middlesex-County, Massachusetts · implied b. ~1923 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallen |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Marlboro City |
| 1935 Residence (County) | Middlesex |
| Highest Grade | Hs 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 William Whalen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Whalen
Son · 1930 · age 7 · b. ~1923 · Massachusetts
★ You are viewing this record
Sibling
James Whalen
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Whalen
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Whalen
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Whalen
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Whalen
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Whalen
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Whalen
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Whalen
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Whalen
Sibling · 1930 · 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
1930 US Federal Census — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
38 people indexed on this census page (ia:1930:massachusettscensus00reel914:0132)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 13 | Thomas J. Whalen | 45 | Head | Manager | Massachusetts |
| 14 | Annie Whalen | 45 | Wife | — | Canada English |
| 15 | Alice Whalen | 17 | Daughter | — | Massachusetts |
| 16 | Thomas Whalen | 15 | Son | — | Massachusetts |
| 17 | John Whalen | 13 | Son | — | Massachusetts |
| 18 | Mary Whalen | 11 | Daughter | — | Massachusetts |
| 19 | Robert Whalen | 9 | Son | — | Massachusetts |
| 20 | William Whalen THIS PERSON | 7 | Son | — | Massachusetts |
| 21 | James Whalen | 5 | Son | — | Massachusetts |
| 22 | Richard Whalen | 3 | Son | — | Massachusetts |
| 23 | Paul Whalen | 1 | Son | — | Massachusetts |
| 24 | Catherine Whalen | 0 | Daughter | — | Massachusetts |
| 25 | Mary Whalen | 75 | Mother | — | Canada English |
| 26 | Catherine Whalen | 40 | Sister | — | Canada English |
| 27 | John Whalen | 38 | Brother | Carpenter | Canada English |
| 28 | Annie Whalen | 35 | Sister | — | Canada English |
| 29 | Margaret Whalen | 33 | Sister | — | Canada English |
| 30 | Alice Whalen | 31 | Sister | — | Canada English |
| 31 | Thomas Whalen | 29 | Brother | — | Canada English |
| 32 | William Whalen | 27 | Brother | — | Canada English |
| 33 | James Whalen | 25 | Brother | — | Canada English |
| 34 | Robert Whalen | 23 | Brother | — | Canada English |
| 35 | Richard Whalen | 21 | Brother | — | Canada English |
| 36 | Paul Whalen | 19 | Brother | — | Canada English |
| 37 | Edwin Cook | 35 | Head | Fireman | Canada English |
| 38 | Mary Cook | 33 | Wife | — | Massachusetts |
| 39 | Edwin Cook | 9 | Son | — | Massachusetts |
| 40 | Mary Cook | 7 | Daughter | — | Massachusetts |
| 41 | John Cook | 5 | Son | — | Massachusetts |
| 42 | Catherine Cook | 3 | Daughter | — | Massachusetts |
| 43 | James Cook | 1 | Son | — | Massachusetts |
| 44 | Alice Cook | 0 | Daughter | — | Massachusetts |
| 45 | Margaret Cook | 70 | Mother | — | Canada English |
| 46 | Catherine Cook | 40 | Sister | — | Canada English |
| 47 | Annie Cook | 38 | Sister | — | Canada English |
| 48 | Margaret Cook | 36 | Sister | — | Canada English |
| 49 | Alice Cook | 34 | Sister | — | Canada English |
| 50 | Thomas Cook | 32 | Brother | — | Canada English |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)