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William Mclean — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this William Mclean across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 9-person household.
Age 21
b. ~1919
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McLean |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Construction Co. |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 450 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Truck Driver |
| Township / Ward | Boston |
| Est. Birth Year | ~1919 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Olive Mclean | Daughter | — | 15 | ~1925 |
| Virginia Mclean | Daughter | — | 15 | ~1925 |
| Geraldine Mclean | Daughter | — | 12 | ~1928 |
| Pauline Mclean | Daughter | — | 13 | ~1927 |
| Muriel Mclean | Daughter | — | 23 | ~1917 |
| William Mclean | Head | — | 45 | ~1895 |
| William Mclean | Son | — | 21 | ~1919 |
| Robert Mclean | Son | — | 17 | ~1923 |
| Jane Mclean | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 11
Suffolk, Massachusetts · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLean |
| Given Name | William H Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 21
Suffolk-County, Massachusetts · implied b. ~1919 — 9 household members
| Surname | McLean |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Truck driver |
| Industry | Construction Co. |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 450 |
| Highest Grade | No 8 |
| 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 Mclean across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mclean
Son · 1940 · age 21 · b. ~1919 · Massachusetts
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Sibling
Geraldine Mclean
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Mclean
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mclean
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Mclean
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Olive Mclean
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Muriel Mclean
Sibling · 1940 · age 23
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-t0627-01668-00406)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John H. Mcinnis | 39 | Head | Painter | P. E. Island |
| 2 | Catherine F. Mcinnis | 47 | Wife | — | Massachusetts |
| 3 | Paul H. Mcinnis | 13 | Son | — | Massachusetts |
| 4 | Mary R. Mcinnis | 11 | Daughter | — | Massachusetts |
| 5 | Charles F. Mcinnis | 10 | Son | — | Massachusetts |
| 6 | Russell J. Mcinnis | 8 | Son | — | Massachusetts |
| 7 | Daniel Mcelhinney | 74 | Father-in-law | — | Eire |
| 8 | Sarah Mcelhinney | 41 | Sister-in-law | — | Eire |
| 9 | William Mclean | 45 | Head | Salesman | Massachusetts |
| 10 | Jane Mclean | 41 | Wife | Housekeeper | England |
| 11 | Muriel Mclean | 23 | Daughter | New Worker | Massachusetts |
| 12 | William Mclean THIS PERSON | 21 | Son | Truck Driver | Massachusetts |
| 13 | Robert Mclean | 17 | Son | — | Massachusetts |
| 14 | Virginia Mclean | 15 | Daughter | New Worker | Massachusetts |
| 15 | Olive Mclean | 15 | Daughter | — | Massachusetts |
| 16 | Pauline Mclean | 13 | Daughter | — | Massachusetts |
| 17 | Geraldine Mclean | 12 | Daughter | — | Massachusetts |
| 18 | Patrick Derrane | 55 | Head | Gardener | Eire |
| 19 | Nellie Derrane | 55 | Wife | — | Eire |
| 20 | Joseph Derrane | 15 | Son | — | Massachusetts |
| 21 | George Derrane | 15 | Son | — | Massachusetts |
| 22 | Paul Derrane | 15 | Son | — | Massachusetts |
| 23 | Emily Donnelly | 47 | Head | Attendant | Ireland |
| 24 | Julia Mccarthy | 25 | Roomer | — | Massachusetts |
| 25 | Christine Mclean | 65 | Roomer | — | French Canada |
| 26 | Josephine Harrington | 50 | Roomer | Food Handler | Massachusetts |
| 27 | Thomas Dahill | 74 | Roomer | — | Eire |
| 28 | Angelo Cavalieri | 39 | Roomer | Electric Welder | Italy |
| 29 | John Du Pont | 26 | Roomer | Shipper | Massachusetts |
| 30 | Catherine Murphy | 70 | Head | — | Massachusetts |
| 31 | Constantine Murphy | 40 | Son | Salesman | Massachusetts |
| 32 | Joseph B. Murphy | 39 | Head | Service Dept. | Massachusetts |
| 33 | Elizabeth Murphy | 38 | Wife | Bookkeeper | Massachusetts |
| 34 | Francis Callahan | 33 | Head | Salesman | Massachusetts |
| 35 | Margaret Callahan | 30 | Wife | — | Massachusetts |
| 36 | Catherine Callahan | 11 | Daughter | — | Massachusetts |
| 37 | Josephine Callahan | 10 | Daughter | — | Massachusetts |
| 38 | Matthew Callahan | 8 | Son | — | Massachusetts |
| 39 | Donald Callahan | 7 | Son | — | Massachusetts |
| 40 | Margaret Callahan | 5 | Daughter | — | 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)