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William Clarke — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this William Clarke across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Clarke |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Revere |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Revere |
| Est. Birth Year | ~1927 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Marie Clarke | Spouse | — | 35 | ~1905 |
| William Clarke | Son | — | 13 | ~1927 |
| Paul Clarke | Son | — | 5 | ~1935 |
| William Clarke | Head | — | 44 | ~1896 |
| Edward Clarke | Son | — | 8 | ~1932 |
| Jack Clarke | Son | — | 12 | ~1928 |
| Diane Clarke | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 3
Suffolk, Massachusetts · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 13
Suffolk-County, Massachusetts · implied b. ~1927 — 7 household members
| Surname | Clarke |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Revere |
| 1935 Residence (County) | Suffolk |
| Highest Grade | H 1 |
| 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 Clarke across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Clarke
Son · 1940 · age 13 · b. ~1927 · Massachusetts
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Sibling
Jack Clarke
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Clarke
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Clarke
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Diane Clarke
Sibling · 1940 · age 7
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01644-00276)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas J. Hannan | 67 | Head | Inspector | Massachusetts |
| 42 | Julia F. Hannan | 67 | Mother | — | Massachusetts |
| 43 | Edith Hannan | 42 | Sister | Waitress | Massachusetts |
| 44 | Frank A. Mutile | 52 | Head | Foreman | Italy |
| 45 | Arthur Mutile | 22 | Son | Helper | Massachusetts |
| 46 | Samuel Pray | 32 | Head | Machinist | Massachusetts |
| 47 | Marjorie D. Pray | 28 | Wife | — | Massachusetts |
| 48 | Bonnie Jean Pray | 0 | Daughter | — | New York |
| 49 | Sumner Hazlewood | 61 | Head | Engineer | Maine |
| 50 | Virginia Hazlewood | 65 | Wife | — | Massachusetts |
| 51 | Hamitt A. Pruitt | 53 | Head | — | Massachusetts |
| 52 | Walter Pruitt | 35 | Son | Salesman | Massachusetts |
| 53 | Ruth Pruitt | 33 | Daughter | Teacher | Massachusetts |
| 54 | John J. R. Pruitt | 23 | Son | Contractor | Massachusetts |
| 55 | Frank Pruitt | 22 | Son | Mechanic | Massachusetts |
| 56 | Robert L. Pruitt | 20 | Son | Shipper | Massachusetts |
| 57 | Carl S. R. Helrich | 44 | Head | Civil Engineer | Massachusetts |
| 58 | Anna Helrich | 29 | Wife | — | Sweden |
| 59 | Linnea Helrich | 4 | Daughter | — | Massachusetts |
| 60 | Timothy J. Mahoney | 59 | Head | Laborer | Ireland |
| 61 | Elizabeth Mahoney | 57 | Wife | — | Massachusetts |
| 62 | James Mahoney | 23 | Son | Inspector | Massachusetts |
| 63 | Frank W. Bunner | 30 | Head | Manager | Massachusetts |
| 64 | Evelyn Bunner | 23 | Wife | — | Canada |
| 65 | Jacqueline Bunner | 3 | Daughter | — | New York |
| 66 | William Clarke | 44 | Head | Manager | England |
| 67 | Marie Clarke | 35 | Wife | — | Italy |
| 68 | William Jr. Clarke THIS PERSON | 13 | Son | — | Massachusetts |
| 69 | Jack Clarke | 12 | Son | — | Massachusetts |
| 70 | Edward C. Clarke | 8 | Son | — | Massachusetts |
| 71 | Diane E. Clarke | 7 | Daughter | — | Massachusetts |
| 72 | Paul Clarke | 5 | Son | — | Massachusetts |
| 73 | Martin H. Coughlin | 64 | Head | Engineer | Massachusetts |
| 74 | Mary J. A. Coughlin | 61 | Wife | — | Massachusetts |
| 75 | Nellie E. Morrison | 59 | Cousin | Clerk | Ireland |
| 76 | John A. Dirusso | 49 | Head | Attorney | Massachusetts |
| 77 | Anna G. A. Dirusso | 42 | Wife | — | Massachusetts |
| 78 | Gloria F. Dirusso | 17 | Daughter | — | Massachusetts |
| 79 | John A. Dirusso | 14 | Son | — | Massachusetts |
| 80 | John H. Schroeder | 51 | Head | Patrolman | 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)