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James Clarke — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this James Clarke across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1908), then head of a 7-person household.
Age 32
b. ~1908
Male
Son
Born: Canada English
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Clarke |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Canada English |
| 1935 Residence (City) | Everett |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Alien |
| Additional Details | |
| Occupation | Helper |
| Industry | Coal Industry |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 264 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Canada |
| Birthplace (normalized) | canada english |
| Occupation | Helper |
| Township / Ward | Everett |
| Est. Birth Year | ~1908 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Mary Clarke | Daughter | — | 26 | ~1914 |
| Alice Clarke | Head | — | 49 | ~1891 |
| William Clarke | Son | — | 15 | ~1925 |
| James Clarke | Son | — | 32 | ~1908 |
| Roy Clarke | Son | — | 17 | ~1923 |
| Florence Clarke | Daughter | — | 23 | ~1917 |
| Harold Clarke | Son | — | 31 | ~1909 |
Census Appearances
1930
Suffolk, Massachusetts
Other, age 20
Suffolk, Massachusetts · implied b. ~1910 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clarke |
| Given Name | James |
| Relationship to Head | lodger |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Canada English |
| Naturalization Status | Alien |
| Year of Immigration | 1929 |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Occupation | blacksmith |
| Industry | factory machine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | canada english |
1940
Middlesex-County, Massachusetts
Son, age 32
Middlesex-County, Massachusetts · implied b. ~1908 — 7 household members
| Surname | Clarke |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Canada English |
| 1935 Residence (City) | Everett |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Alien |
| Occupation | Helper |
| Industry | Coal Industry |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 264 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Canada |
| Birthplace (normalized) | canada english |
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 James Clarke across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Clarke
Son · 1940 · age 32 · b. ~1908 · Massachusetts
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Sibling
Harold Clarke
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Clarke
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Clarke
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Clarke
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Clarke
Sibling · 1940 · age 26
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01604-00209)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elaine D. Thompson | 8 | daughter | — | Massachusetts |
| 42 | Everett W. Mckennon | 42 | Head | Watchman | Massachusetts |
| 43 | Gertrude C. Mckennon | 32 | Wife | — | Massachusetts |
| 44 | Anita Mckennon | 20 | daughter | Waitress | Massachusetts |
| 45 | Kenneth Mckennon | 16 | son | Newsboy | Massachusetts |
| 46 | Mary Mckennon | 11 | daughter | — | Massachusetts |
| 47 | Helen Mckennon | 10 | daughter | — | Massachusetts |
| 48 | Arthur L. No Wood | 44 | Head | Welfare Investigator | Massachusetts |
| 49 | Elizabeth G. No Wood | 36 | Wife | — | Massachusetts |
| 50 | Arthur L. Jr. No Wood | 13 | son | — | Massachusetts |
| 51 | Richard No Wood | 9 | son | — | Massachusetts |
| 52 | Peter No Wood | 6 | son | — | Massachusetts |
| 53 | Victor W. Cornoni | 37 | Head | Power Department | Massachusetts |
| 54 | Hilda M. Cornoni | 27 | Wife | — | Massachusetts |
| 55 | Marilyn R. Cornoni | 1 | daughter | — | Massachusetts |
| 56 | Alice Clarke | 49 | Head | — | Canada English |
| 57 | James Clarke THIS PERSON | 32 | son | Helper | Canada English |
| 58 | Harold E. Clarke | 31 | son | Machinist | Canada English |
| 59 | Mary B. Clarke | 26 | daughter | Bookkeeper | Canada English |
| 60 | Florence E. Clarke | 23 | daughter | Typist | Canada English |
| 61 | Roy Clarke | 17 | son | — | Canada English |
| 62 | William Clarke | 15 | son | — | Canada English |
| 63 | Peter Nigro | 30 | Head | Barber | Massachusetts |
| 64 | Angelina Nigro | 27 | Wife | Stitcher | Massachusetts |
| 65 | Frederick E. Haskell | 54 | Head | Car Packer | Massachusetts |
| 66 | Maude S. Haskell | 50 | Wife | — | Massachusetts |
| 67 | Barbara A. Haskell | 15 | daughter | — | Massachusetts |
| 68 | Bettina Haskell | 12 | daughter | — | Massachusetts |
| 69 | John Patrick Kelly | 34 | Head | Shipper | Canada English |
| 70 | Irene M. Kelly | 26 | Wife | — | Scotland |
| 71 | John Jr. Kelly | 3 | son | — | Massachusetts |
| 72 | Jane M. Kelly | 2 | son | — | Massachusetts |
| 73 | Helen C. Anthony | 38 | Head | Clerk | Canada English |
| 74 | Annie M. Anthony | 26 | Wife | — | Canada English |
| 75 | Virginia P. Anthony | 5 | daughter | — | Massachusetts |
| 76 | Barbara J. Anthony | 3 | daughter | — | Massachusetts |
| 77 | Joseph R. Caimi | 37 | Head | Partnership | Sicily |
| 78 | Nancy S. Caimi | 27 | Wife | — | Sicily |
| 79 | Josephine G. Caimi | 1 | daughter | — | Massachusetts |
| 80 | Joseph R. Have | 38 | Head | Cleaner | Canada English |
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)