JM
James Mclean — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Norfolk-County, Massachusetts
Our Model Tree links this James Mclean across the 1930 and 1940 US Censuses in Norfolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Norfolk-County, Massachusetts |
| Surname | McLean |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Stoughton Town |
| 1935 Residence (County) | Norfolk |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Stoughton Town |
| Est. Birth Year | ~1921 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Virginia Mclean | Daughter | — | 24 | ~1916 |
| Betty Mclean | Daughter | — | 13 | ~1927 |
| Peggy Mclean | Daughter | — | 7 | ~1933 |
| Arthur Mclean | Head | — | 44 | ~1896 |
| Billy Mclean | Son | — | 11 | ~1929 |
| John Mclean | Son | — | 5 | ~1935 |
| Louis Mclean | Son | — | 18 | ~1922 |
| James Mclean | Son | — | 19 | ~1921 |
| Arthur Mclean | Son | — | 21 | ~1919 |
| Catherine Mclean | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 8
Suffolk, Massachusetts · implied b. ~1922 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLean |
| Given Name | James J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Norfolk-County, Massachusetts
Son, age 19
Norfolk-County, Massachusetts · implied b. ~1921 — 10 household members
| Surname | McLean |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Stoughton Town |
| 1935 Residence (County) | Norfolk |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 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 James Mclean across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mclean
Son · 1940 · age 19 · b. ~1921 · Massachusetts
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Sibling
Arthur Mclean
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Mclean
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Mclean
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Mclean
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Mclean
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peggy Mclean
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mclean
Sibling · 1940 · age 5
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 — Norfolk-County, Massachusetts
Open full size
1940 US Federal Census — Norfolk-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01633-00192)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Melvin Ward | 29 | Head | Operator | Nova Scotia |
| 2 | Gladys Ward | 28 | Wife | — | Mass. |
| 3 | Charles Ward | 6 | Son | — | Mass. |
| 4 | Alice Ward | 0 | Daughter | — | Mass. |
| 5 | Louis E. Dykeman | 56 | Head | Painter | Mass. |
| 6 | Eva F. Dykeman | 56 | Wife | — | Mass. |
| 7 | Arthur Mclean | 44 | Head | Electrical Contractor | Massachusetts |
| 8 | Catherine Mclean | 44 | Wife | — | Massachusetts |
| 9 | Virginia Mclean | 24 | Daughter | Secretary | Massachusetts |
| 10 | Arthur Jr. Mclean | 21 | Son | Electrician | Massachusetts |
| 11 | James Mclean THIS PERSON | 19 | Son | — | Massachusetts |
| 12 | Louis Mclean | 18 | Son | — | Massachusetts |
| 13 | Betty Elizabeth Mclean | 13 | Daughter | — | Massachusetts |
| 14 | Billy Mclean | 11 | Son | — | Massachusetts |
| 15 | Peggy Ann Mclean | 7 | Daughter | — | Massachusetts |
| 16 | John Mclean | 5 | Son | — | Massachusetts |
| 17 | Philip Green | 38 | Head | Coat Cutter | Mass. |
| 18 | Adeline Green | 33 | Wife | — | Poland |
| 19 | Barbara Green | 13 | Daughter | — | Mass. |
| 20 | Louis Jr. Green | 12 | Son | — | Mass. |
| 22 | Peter Davey | 62 | Head | Emergency Work | Ireland |
| 23 | Catherine Davey | 60 | Wife | — | Ireland |
| 24 | Otis Estey | 35 | Head | Truck Driver | Massachusetts |
| 25 | Hazel Estey | 29 | Wife | — | Massachusetts |
| 26 | Melvin Estey | 10 | Son | — | Massachusetts |
| 27 | Otis Jr. Estey | 9 | Son | — | Massachusetts |
| 28 | Richard Estey | 7 | Son | — | Massachusetts |
| 29 | Elizabeth Estey | 5 | Daughter | — | Massachusetts |
| 30 | David Estey | 2 | Son | — | Massachusetts |
| 31 | Bernard Davis | 27 | Brother in law | Jack Hammering | Massachusetts |
| 32 | Sadie Frabish | 51 | Head | Housework | Nova Scotia |
| 33 | Eleanor Frabish | 21 | Daughter | Housework | Massachusetts |
| 34 | Edna Frabish | 19 | Daughter | — | Massachusetts |
| 35 | Malcolm Frabish | 16 | Son | — | Massachusetts |
| 36 | Lois Frabish | 14 | Daughter | — | Massachusetts |
| 37 | Robert Frabish | 12 | Son | — | Massachusetts |
| 38 | Herbert Frabish | 10 | Son | — | Massachusetts |
| 39 | Daniel C. Crowd | 51 | Head | — | Massachusetts |
| 40 | Ruth E. Crowd | 47 | Wife | — | 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)