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Mary Whitehead — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary Whitehead across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 11-person household.
Age 20
b. ~1920
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Whitehead |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1920 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Whitehead | Daughter | — | 21 | ~1919 |
| George Whitehead | Head | — | 49 | ~1891 |
| Evelyn Whitehead | Daughter | — | 16 | ~1924 |
| Helen Whitehead | Daughter | — | 19 | ~1921 |
| Francis Whitehead | Son | — | 14 | ~1926 |
| Robert Whitehead | Son | — | 15 | ~1925 |
| Mary Whitehead | Spouse | — | 48 | ~1892 |
| John Lightburn | Other | — | 16 | ~1924 |
| George Whitehead | Son | — | 23 | ~1917 |
| Thomas Lightburn | Other | — | 18 | ~1922 |
| Mary Whitehead | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 10
Middlesex, Massachusetts · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Whitehouse |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| 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
Middlesex-County, Massachusetts
Daughter, age 20
Middlesex-County, Massachusetts · implied b. ~1920 — 11 household members
| Surname | Whitehead |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H-2 |
| 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 Mary Whitehead across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Whitehead
Daughter · 1940 · age 20 · b. ~1920 · Massachusetts
★ You are viewing this record
Sibling
Margaret Whitehead
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Whitehead
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Whitehead
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Whitehead
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Whitehead
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Whitehead
Sibling · 1940 · age 19
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-t0627-01702-00519)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Spury | 16 | Daughter | — | Massachusetts |
| 2 | Louis Spury | 14 | Son | — | Massachusetts |
| 3 | Antonio Masci | 44 | Head | Woodworker | Italy |
| 4 | Lydia Masci | 38 | Wife | Wrapper | Italy |
| 5 | Carmela Cinquerchelli | 58 | Mother-in-law | — | Italy |
| 6 | Jennie Senesi | 54 | Head | — | Italy |
| 7 | Joseph Senesi | 22 | Son | Chauffeur | Massachusetts |
| 8 | Vincent Sica | 38 | Head | Tailor | Italy |
| 9 | Lena Sica | 32 | Wife | Seamstress | Italy |
| 10 | Marian Sica | 11 | Daughter | — | Massachusetts |
| 11 | Joseph Sica | 8 | Son | — | Massachusetts |
| 12 | Albert Maiella | 32 | Head | Manager | Italy |
| 13 | Clara Maiella | 29 | Wife | — | Italy |
| 14 | Joseph Maiella | 6 | Son | — | Massachusetts |
| 15 | Rosemarie Maiella | 1 | Daughter | — | Massachusetts |
| 16 | — | None | — | — | — |
| 17 | E. Antonio Maero | 52 | Head | Machine Operator | Italy |
| 18 | Giovannina Maero | 47 | Wife | — | Italy |
| 19 | Nicola Mitrano | 24 | Son in law | Scraper | Italy |
| 20 | M. Rose Mitrano | 22 | Daughter | — | Massachusetts |
| 21 | Elizabeth Di Lucci | 70 | Head | — | Italy |
| 22 | Ralph Di Lucci | 45 | Son | Manager | Italy |
| 23 | Mary Di Lucci | 32 | Daughter | — | Italy |
| 24 | Kyriakos Alexandris | 40 | Head | Chauffeur | Turkey |
| 25 | Eisay Alexandris | 32 | Wife | — | Turkey |
| 26 | John Alexandris | 11 | Son | — | Massachusetts |
| 27 | Mary Alexandris | 5 | Daughter | — | Massachusetts |
| 28 | George T. Whitehead | 49 | Head | Foreman | Massachusetts |
| 29 | Mary E. Whitehead | 48 | Wife | Operator | Massachusetts |
| 30 | George Th. Whitehead | 23 | Son | Clerk | Massachusetts |
| 31 | Mary Whitehead THIS PERSON | 20 | Daughter | — | Massachusetts |
| 32 | Margaret Whitehead | 21 | Daughter | — | Massachusetts |
| 33 | Helen Whitehead | 19 | Daughter | — | Massachusetts |
| 34 | Evelyn Whitehead | 16 | Daughter | — | Massachusetts |
| 35 | Robert Whitehead | 15 | Son | — | Massachusetts |
| 36 | Francis Whitehead | 14 | Son | — | Massachusetts |
| 37 | Thomas Lightburn | 18 | Step-son | — | Massachusetts |
| 38 | John Lightburn | 16 | Step-son | — | Massachusetts |
| 39 | Salvatore Cavicchio | 34 | Head | Trimmer | Massachusetts |
| 40 | Lucy Cavicchio | 32 | Wife | Packer | 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)