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Margaret Mclean — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Norfolk-County, Massachusetts
Our Model Tree links this Margaret Mclean across the 1930 and 1940 US Censuses in Norfolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 9-person household.
Age 19
b. ~1921
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Norfolk-County, Massachusetts |
| Surname | McLean |
| Given Name | Margaret E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Quincy |
| 1935 Residence (County) | Norfolk |
| Additional Details | |
| Occupation | Librarian |
| Industry | Public Library |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Librarian |
| Township / Ward | Quincy |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mclean | Daughter | — | 19 | ~1921 |
| Arthur Mclean | Head | — | 40 | ~1900 |
| Thomas Henwood | Other | — | 38 | ~1902 |
| John Mclean | Son | — | 12 | ~1928 |
| Elizabeth Fyfe | Other | — | 73 | ~1867 |
| Thomas Mclean | Son | — | 15 | ~1925 |
| Florence Mclean | Spouse | — | 36 | ~1904 |
| Mary Henwood | Other | — | 69 | ~1871 |
| Robert Mclean | Son | — | 10 | ~1930 |
Census Appearances
1930
Norfolk, Massachusetts
Daughter, age 9
Norfolk, Massachusetts · implied b. ~1921 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLean |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Norfolk-County, Massachusetts
Daughter, age 19
Norfolk-County, Massachusetts · implied b. ~1921 — 9 household members
| Surname | McLean |
| Given Name | Margaret E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Quincy |
| 1935 Residence (County) | Norfolk |
| Occupation | Librarian |
| Industry | Public Library |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Margaret Mclean across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Mclean
Daughter · 1940 · age 19 · b. ~1921 · Massachusetts
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Sibling
John Mclean
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mclean
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mclean
Sibling · 1940 · age 15
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
40 people indexed on this census page (nara:1940:m-t0627-01632-00144)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur F Mclean | 40 | Head | Manager | New York |
| 2 | Florence H Mclean | 36 | Wife | Housekeeper | New York |
| 3 | Margaret E Mclean THIS PERSON | 19 | Daughter | Librarian | New York |
| 4 | Thomas A Mclean | 15 | Son | Student | New York |
| 5 | John H Mclean | 12 | Son | Student | New York |
| 6 | Robert A Mclean | 10 | Son | — | New York |
| 7 | Mary A Henwood | 69 | Mother | Housekeeper | New York |
| 8 | Thomas F Henwood | 38 | Brother-in-law | Welder | New York |
| 9 | Elizabeth Fyfe | 73 | Aunt by marriage | Unable To Work | Maine |
| 10 | Oscar Hill | 72 | Head | Unable To Work | Finland |
| 11 | Mary Hill | 69 | Wife | Housekeeper | England |
| 12 | Harriett Williams | 78 | Lodger | Unable To Work | Vermont |
| 13 | Mary Woodbury | 85 | Lodger | Unable To Work | England |
| 14 | Ellen H Blake | 70 | Head | Housekeeper | Mass |
| 15 | Robert D Blake | 31 | Son | Clerk | Illinois |
| 16 | Caroline E Heerman | 68 | Sister | Retired Secretary | Mass |
| 17 | Herbert M Thomas | 52 | Head | Mail Clerk | Mass |
| 18 | Jessie B Thomas | 49 | Wife | Housekeeper | Wash. D.C. |
| 19 | William H Thomas | 22 | Son | Student | Mass |
| 20 | George W Thomas | 21 | Son | Mechanic | Mass |
| 21 | Amanda Thomas | 77 | Mother | Housekeeper | Mass |
| 22 | David E Beckman | 56 | Head | Painter | Sweden |
| 23 | Josephine S Beckman | 58 | Wife | Housekeeper | Sweden |
| 24 | Walter L Beckman | 31 | Son | Shipper | Mass |
| 25 | Ephraim H Cox | 70 | Head | Retired Town Official | New Jersey |
| 26 | Michael Nathaniel | 53 | Head | Owner | Mass |
| 27 | Frances Nathaniel | 46 | Wife | Housekeeper | Mass |
| 28 | Muriel Nathaniel | 23 | Daughter | Clerk | Mass |
| 29 | Charles Nathaniel | 21 | Son | Clerk | Mass |
| 30 | Raymond Duval | 34 | Head | Clerk | Mass |
| 31 | Marie F Duval | 34 | Wife | Housekeeper | Mass |
| 32 | Raymond E Duval | 10 | Son | — | Mass |
| 33 | Paul Duval | 7 | Son | — | Mass |
| 34 | Warren Geddes | 35 | Head | Clerk | Mass |
| 35 | Alice Geddes | 35 | Wife | Stenographer | Mass |
| 36 | James Mcgovern | 75 | Head | Salesman | Mass |
| 37 | Louisa Mcgovern | 44 | Daughter | Housekeeper | Mass |
| 38 | Lila S Pierce | 54 | Head | Forelady | Mass |
| 39 | Earl Bowley | 48 | Head | Postal Clerk | Mass |
| 40 | Annie Bowley | 46 | Wife | Salesgirl | Mass |
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)