ME
Mary Egan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary Egan across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 2-person household.
Age 57
b. ~1883
Female
Head
Born: Massachusetts
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Egan |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford city |
| 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 | Medford City |
| Est. Birth Year | ~1883 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Egan | Head | — | 57 | ~1883 |
| Ethel Egan | Daughter | — | 31 | ~1909 |
Census Appearances
1920
Middlesex, Massachusetts
Other, age 35
Middlesex, Massachusetts · implied b. ~1885 — 24 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Egan |
| Given Name | Maud |
| Relationship to Head | Assistant |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Instructor |
| Industry | Parochial school |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Other, age 46
Middlesex, Massachusetts · implied b. ~1884 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Egan |
| Given Name | Mary E. |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 57
Middlesex-County, Massachusetts · implied b. ~1883 — 2 household members
| Surname | Egan |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford city |
| 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 Egan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Egan
Head · 1940 · age 57 · b. ~1883 · Massachusetts
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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
28 people indexed on this census page (nara:1940:m-t0627-01611-00510)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Augusta M Rich | 57 | Head | — | Pennsylvania |
| 3 | Salerson | Salerson Rich | 29 | Son | Projection Operator | Massachusetts |
| 4 | Joseph G Blevins | 49 | Head | Driller | Massachusetts |
| 5 | Myra F Blevins | 47 | Wife | — | Massachusetts |
| 6 | Harry L Aaron | 63 | Head | Manager | Massachusetts |
| 7 | Eva M Aaron | 51 | Wife | — | Maine |
| 9 | Mary Egan THIS PERSON | 57 | Head | — | Massachusetts |
| 10 | Ethel Egan | 31 | Daughter | Telephone Oper | Massachusetts |
| 11 | Thomas F Mccormack | 30 | Head | Accountant | Massachusetts |
| 12 | Vivian M Mccormack | 30 | Wife | Bookkeeper | Massachusetts |
| 13 | Celia Mccormack | 53 | Mother | Salesgirl | Massachusetts |
| 14 | Myrtle Smet | 45 | Lodger | Bookkeeper | Massachusetts |
| 16 | Michael F Rourke | 41 | Head | Salesman | Massachusetts |
| 17 | Margaret P Rourke | 39 | Wife | — | Massachusetts |
| 19 | Robert C Anderson | 45 | Head | Foreman | Rhode Island |
| 20 | Jeanne Anderson | 43 | Wife | — | Scotland |
| 21 | Doreen Anderson | 12 | Daughter | — | Massachusetts |
| 23 | Thomas Donahue | 52 | Head | — | Massachusetts |
| 24 | Sarah Donahue | 49 | Wife | — | Massachusetts |
| 26 | Thomas P Joyce | 47 | Head | Contractor | Massachusetts |
| 27 | Mary J Joyce | 40 | Wife | — | Massachusetts |
| 28 | Thas M | Chas M Yeomans | 57 | Head | — | New York |
| 29 | Karl L Yeomans | 17 | Son | — | Massachusetts |
| 30 | Fred L Yeomans | 15 | Son | — | Massachusetts |
| 31 | Willard A Stokowski | Stokowski | 30 | Employee | Marine Oiler | — |
| 32 | James A Crowley | 53 | Head | Safety Agent | Massachusetts |
| 33 | Sarah V Crowley | 51 | Wife | — | Massachusetts |
| 34 | Jos M Marchetti | 49 | Son | Dish Washer | Iceland |
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)