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Mary Walsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Walsh across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Female
Daughter
Born: Maine
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Walsh |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Switchboard Oper. |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 750 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Switchboard Oper. |
| Township / Ward | Boston |
| Est. Birth Year | ~1918 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Kathleen Walsh | Daughter | — | 16 | ~1924 |
| Mary Walsh | Daughter | — | 22 | ~1918 |
| Coleman Walsh | Head | — | 50 | ~1890 |
| John Walsh | Son | — | 14 | ~1926 |
| Martin Walsh | Son | — | 19 | ~1921 |
| Thomas Walsh | Son | — | 24 | ~1916 |
| Frederick Walsh | Son | — | 20 | ~1920 |
| Sarah Walsh | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 12
Suffolk, Massachusetts · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maine |
| Age at First Marriage | 12 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Suffolk-County, Massachusetts
Daughter, age 22
Suffolk-County, Massachusetts · implied b. ~1918 — 8 household members
| Surname | Walsh |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Switchboard Oper. |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 750 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Walsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Walsh
Daughter · 1940 · age 22 · b. ~1918 · Massachusetts
★ You are viewing this record
Sibling
Kathleen Walsh
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Walsh
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Walsh
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Walsh
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Walsh
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01664-00557)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Agnes Dowling | 54 | Wife | Housewife | Nova Scotia |
| 42 | George Dowling | 26 | Son | Clerk | Mass |
| 43 | Robert W Dowling | 23 | Son | Laborer | Mass |
| 44 | Dorothy A Dowling | 15 | Daughter | — | Mass |
| 45 | Marion E Dowling | 11 | Daughter | — | Mass |
| 46 | Coleman G Walsh | 50 | Head | Laborer | Eire |
| 47 | Sarah T Walsh | 50 | Wife | Housewife | Eire |
| 48 | Thomas B Walsh | 24 | Son | Shipper | Maine |
| 49 | Mary E Walsh THIS PERSON | 22 | Daughter | Switchboard Oper. | Maine |
| 50 | Frederick Walsh | 20 | Son | — | Maine |
| 51 | Martin E Walsh | 19 | Son | Laborer | Maine |
| 52 | Kathleen C Walsh | 16 | Daughter | — | Maine |
| 53 | John J Walsh | 14 | Son | — | Maine |
| 54 | Edward Fitzgerald | 62 | Head | Clerk | Eire |
| 55 | Nora G Fitzgerald | 53 | Wife | — | Eire |
| 56 | Michael Fitzgerald | 29 | Son | — | Mass |
| 57 | Robert Fitzgerald | 25 | Son | Bus Boy | Mass |
| 58 | Joseph Fitzgerald | 23 | Son | Packer | Mass |
| 59 | William Fitzgerald | 18 | Son | Attendant Nurse | Mass |
| 60 | Anna Fitzgerald | 15 | Daughter | — | Mass |
| 61 | George Dromey | 51 | Head | — | Mass |
| 62 | Mildred Dromey | 41 | Wife | — | Mass |
| 63 | Margaret Dromey | 19 | Daughter | Nursery Attendant | Mass |
| 64 | George G Jr Dromey | 18 | Son | — | Mass |
| 65 | Mildred Dromey | 16 | Daughter | — | Mass |
| 66 | Charlotte Dromey | 14 | Daughter | — | Mass |
| 67 | Robert Dromey | 12 | Son | — | Mass |
| 68 | Clara Dromey | 8 | Daughter | — | Mass |
| 69 | Edna Dromey | 6 | Daughter | — | Mass |
| 70 | Michael Healy | 51 | Head | Stationary Engineer | Eire |
| 71 | Margaret F Healy | 41 | Wife | Housewife | Eire |
| 72 | Margaret Healy | 15 | Daughter | — | Mass |
| 73 | Michael Healy | 12 | Son | — | Mass |
| 74 | Jeremiah Healy | 11 | Son | — | Mass |
| 75 | John Healy | 9 | Son | — | Mass |
| 76 | Margaret Bennett | 40 | Head | Housework | Eire |
| 77 | David Bennett | 21 | Son | Surveyor | Eire |
| 78 | Edmund D Grout | 37 | Head | Case Maker | Mass |
| 79 | Eloise Grout | 36 | Wife | Housewife | Mass |
| 80 | Edmund F Grout | 10 | Son | — | 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)