MH
Mary Holden — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary Holden across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Holden |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Shirley |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Shirley |
| Est. Birth Year | ~1927 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Holden | Daughter | — | 13 | ~1927 |
| Robert Holden | Head | — | 46 | ~1894 |
| Eleanor Holden | Spouse | — | 43 | ~1897 |
| Robert Holden | Son | — | 16 | ~1924 |
| Harley Holden | Son | — | 2 | ~1938 |
| David Holden | Son | — | 9 | ~1931 |
| Alicia Brackett | Other | — | 21 | ~1919 |
Census Appearances
1930
Worcester, Massachusetts
Daughter, age 3
Worcester, Massachusetts · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holden |
| Given Name | Margaret G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 13
Middlesex-County, Massachusetts · implied b. ~1927 — 7 household members
| Surname | Holden |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Shirley |
| 1935 Residence (County) | Middlesex |
| Income (1939) | 0 |
| 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 Mary Holden across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Holden
Daughter · 1940 · age 13 · b. ~1927 · Massachusetts
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Sibling
David Holden
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harley Holden
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Holden
Sibling · 1940 · age 16
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-t0627-01617-00391)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary A Park | 77 | Head | — | Massachusetts |
| 42 | Nellie Holbrook | 82 | Sister | — | Massachusetts |
| 43 | Annie Holbrook | 55 | Niece | — | Massachusetts |
| 44 | Nina Holbrook | 52 | Niece | Inspector | Massachusetts |
| 45 | James Smith | 39 | Head | Proprietor | Massachusetts |
| 46 | Marion Smith | 41 | Wife | — | Massachusetts |
| 47 | Robert Smith | 13 | Son | — | Massachusetts |
| 48 | Frederick Reid | 55 | Head | — | Massachusetts |
| 49 | Everett Reid | 32 | Son | Papermaker | Massachusetts |
| 50 | Ruth Reid | 50 | Daughter-in-law | — | Massachusetts |
| 51 | Gloria Reid | 9 | Granddaughter | — | Massachusetts |
| 52 | William Boicourt | 63 | Head | Clergyman | Kansas |
| 53 | Sarah Boicourt | 62 | Wife | — | New Hampshire |
| 54 | Lewis Bradford | 45 | Head | Insurance Agent | Canada-English |
| 55 | Margaret A Bradford | 42 | Wife | — | Massachusetts |
| 56 | Donald Bradford | 19 | Son | Apprentice House Painter | Massachusetts |
| 57 | Dorothy Bradford | 18 | Daughter | — | Massachusetts |
| 58 | Allan Bradford | 16 | Son | — | Massachusetts |
| 59 | Peter Norgard | 61 | Head | Overseer | Denmark |
| 60 | Jennie Norgard | 58 | Wife | — | Denmark |
| 61 | Roland Gale | 43 | Head | Factory Superintendent | Massachusetts |
| 62 | Doris Gale | 38 | Wife | — | Massachusetts |
| 63 | Shirley Gale | 10 | Daughter | — | Massachusetts |
| 64 | Kenneth Chase | 41 | Lodger | Sales Manager | Massachusetts |
| 65 | Fred Brown | 69 | Head | Millwright | Massachusetts |
| 66 | Rose Brown | 67 | Wife | — | Massachusetts |
| 67 | Orville Cutler | 64 | Head | — | Massachusetts |
| 68 | Harold Cutler | 36 | Son | Mill Hand | Massachusetts |
| 69 | Robert H Holden | 46 | Head | Lawyer | Massachusetts |
| 70 | Eleanor H Holden | 43 | Wife | — | Massachusetts |
| 71 | Robert H Holden | 16 | Son | — | Massachusetts |
| 72 | Mary E Holden THIS PERSON | 13 | Daughter | — | Massachusetts |
| 73 | David J Holden | 9 | Son | — | Massachusetts |
| 74 | Harley P Holden | 2 | Son | — | Massachusetts |
| 75 | Alicia Brackett | 21 | Servant | — | Massachusetts |
| 76 | Carl Boutilier | 32 | Head | Learner | Massachusetts |
| 77 | Anne Boutilier | 32 | Wife | — | New Hampshire |
| 78 | Carl Jr Boutilier | 2 | Son | — | Massachusetts |
| 79 | Shirley Boutilier | 1 | Daughter | — | Massachusetts |
| 80 | Jean Jacobs | 9 | Step-daughter | — | New Hampshire |
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)