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Mary Dolan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary Dolan across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Dolan |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Malden City |
| Est. Birth Year | ~1928 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Barbara Dolan | Daughter | — | 5 | ~1935 |
| Frank Dolan | Head | — | 35 | ~1905 |
| Tretta Dolan | Daughter | — | 3 | ~1937 |
| Adele Dolan | Daughter | — | 1 | ~1939 |
| Pauline Dolan | Daughter | — | 14 | ~1926 |
| Mary Dolan | Spouse | — | 39 | ~1901 |
| Mary Dolan | Daughter | — | 12 | ~1928 |
| Paul Dolan | Son | — | 10 | ~1930 |
| John Dolan | Son | — | 16 | ~1924 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 2
Suffolk, Massachusetts · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dolan |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland Free State |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 12
Middlesex-County, Massachusetts · implied b. ~1928 — 9 household members
| Surname | Dolan |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Highest Grade | No 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 Mary Dolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dolan
Daughter · 1940 · age 12 · b. ~1928 · Massachusetts
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Sibling
John Dolan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Dolan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adele Dolan
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Dolan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Dolan
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tretta Dolan
Sibling · 1940 · age 3
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-t0627-01609-00773)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lena Robinovitz | 45 | Head | — | Russia |
| 2 | Minnie R Robinovitz | 22 | Daughter | Packer | Massachusetts |
| 3 | Frances Robinovitz | 20 | Daughter | Sales Clerk | Massachusetts |
| 4 | Tavis Tabasky | 72 | Father | — | Russia |
| 5 | Annie Schwartz | 53 | Head | — | Russia |
| 6 | Nathan H. Schwartz | 28 | Son | Sales Promoter | Massachusetts |
| 7 | Murray Schwartz | 13 | Son | — | Massachusetts |
| 8 | Myer Schwartz | 24 | Son | Assistant Buyer | Massachusetts |
| 9 | Ada Schwartz | 25 | Daughter | Saleslady | New York |
| 10 | Raquel B Schwartz | 6 | Grand-daughter | — | Massachusetts |
| 11 | Rose Patrick | 55 | Head | — | Russia |
| 12 | Beatrice Patrick | 22 | Daughter | Stenographer | Massachusetts |
| 13 | Lillian Patrick | 26 | Daughter | Bookkeeper | Massachusetts |
| 14 | Barney Myers | 39 | Head | Taxi Driver | England |
| 15 | Jennie Myers | 36 | Wife | — | Massachusetts |
| 16 | Ruth Myers | 15 | Daughter | — | Massachusetts |
| 17 | Louis W. Myers | 12 | Son | — | Massachusetts |
| 18 | David L. Myers | 8 | Son | — | Massachusetts |
| 19 | Frank J. Dolan | 35 | Head | Laborer | Massachusetts |
| 20 | Mary C. Dolan | 39 | Wife | — | Nova Scotia |
| 21 | John A Dolan | 16 | Son | New Worker | Massachusetts |
| 22 | Pauline T Dolan | 14 | Daughter | — | Massachusetts |
| 23 | Mary J Dolan THIS PERSON | 12 | Daughter | — | Massachusetts |
| 24 | Paul B Dolan | 10 | Son | — | Massachusetts |
| 25 | Barbara C Dolan | 5 | Daughter | — | Massachusetts |
| 26 | Tretta L Dolan | 3 | Daughter | — | Massachusetts |
| 27 | Adele B Dolan | 1 | Daughter | — | Massachusetts |
| 28 | Harry Glass | 49 | Head | Sheet Metal Worker | Russia |
| 29 | Rebecca Glass | 47 | Wife | — | Russia |
| 30 | Evelyn Glass | 10 | Daughter | — | Massachusetts |
| 31 | Lillian Glass | 9 | Daughter | — | Massachusetts |
| 32 | Samuel Levine | 19 | Boarder | Delivery Boy | Massachusetts |
| 33 | Bernard Klickstein | 78 | Head | — | Russia |
| 34 | Bessie Klickstein | 71 | Wife | — | Russia |
| 35 | David Klickstein | 25 | Son | — | Massachusetts |
| 36 | Irving Katz | 40 | Head | Foreman | Russia |
| 37 | Minnie Katz | 38 | Wife | — | Russia |
| 38 | Marilyn D. Katz | 10 | Daughter | — | Massachusetts |
| 39 | Martin S. Katz | 8 | Son | — | Massachusetts |
| 40 | Robert C Katz | 5 | Son | — | 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)