MC
Mary Coughlin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Coughlin across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 8-person household.
Age 50
b. ~1890
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Coughlin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1890 |
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 |
|---|---|---|---|---|
| Edward Coughlin | Son | — | 21 | ~1919 |
| George Coughlin | Son | — | 15 | ~1925 |
| Frank Coughlin | Head | — | 52 | ~1888 |
| Carol Coughlin | Daughter | — | 4 | ~1936 |
| Elizabeth Coughlin | Daughter | — | 8 | ~1932 |
| Joseph Coughlin | Son | — | 26 | ~1914 |
| Veronica Coughlin | Daughter | — | 16 | ~1924 |
| Mary Coughlin | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Suffolk, Massachusetts
Spouse, age 40
Suffolk, Massachusetts · implied b. ~1890 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coughlin |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 19 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Spouse, age 50
Suffolk-County, Massachusetts · implied b. ~1890 — 8 household members
| Surname | Coughlin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Industry | 0 |
| 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 Coughlin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Coughlin
Spouse · 1940 · age 50 · b. ~1890 · 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01666-00299)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Coyle | 42 | Son | Ironworker | Massachusetts |
| 42 | Ethel Coyle | 38 | Daughter | Machine Operator | Massachusetts |
| 43 | James J Mccarthy | 34 | Head | Proprietor | Rhode Island |
| 44 | Josephine Mccarthy | 34 | Wife | — | Massachusetts |
| 45 | Charlotte Mccarthy | 13 | Daughter | — | Massachusetts |
| 46 | Mary Mccarthy | 6 | Daughter | — | Massachusetts |
| 47 | Francis Coughlin | 29 | Head | Blue Printer | Massachusetts |
| 48 | Gilda Coughlin | 25 | Wife | — | Massachusetts |
| 49 | Francis J Coughlin | 4 | Son | — | Massachusetts |
| 50 | Philip Coughlin | 2 | Son | — | Massachusetts |
| 51 | Mildred Coughlin | 1 | Daughter | — | Massachusetts |
| 52 | Frank Coughlin | 52 | Head | Chauffeur | Massachusetts |
| 53 | Mary Coughlin THIS PERSON | 50 | Wife | — | Massachusetts |
| 54 | Joseph Coughlin | 26 | Son | Errand Boy | Massachusetts |
| 55 | Edward Coughlin | 21 | Son | Messenger | Massachusetts |
| 56 | Veronica Coughlin | 16 | Daughter | — | Massachusetts |
| 57 | George Coughlin | 15 | Son | — | Massachusetts |
| 58 | Elizabeth Coughlin | 8 | Daughter | — | Massachusetts |
| 59 | Carol Coughlin | 4 | Daughter | — | Massachusetts |
| 60 | Henry G Cunningham | 38 | Head | Automobile Mechanic | Massachusetts |
| 61 | Vera Cunningham | 36 | Wife | — | Massachusetts |
| 62 | Margaret Cunningham | 14 | Daughter | Bookkeeper | Massachusetts |
| 63 | Henry Cunningham | 13 | Son | — | Massachusetts |
| 64 | Celia R Boltz | 74 | Head | — | Massachusetts |
| 65 | Frank Boltz | 72 | Brother | — | Massachusetts |
| 66 | Francis Reiser | 58 | Head | — | Massachusetts |
| 67 | Charles Reiser | 27 | Son | Automobile Mechanic | Massachusetts |
| 68 | Joseph Reiser | 19 | Son | Chauffeur | Massachusetts |
| 69 | Edward Reiser | 17 | Son | Helper | Massachusetts |
| 70 | Rose Reiser | 15 | Daughter | — | Massachusetts |
| 71 | George Reiser | 13 | Son | — | Massachusetts |
| 72 | James Reiser | 11 | Son | — | Massachusetts |
| 74 | George Priolo | 35 | Head | Truck Driver | Alabama |
| 75 | Anna Priolo | 27 | Wife | — | Massachusetts |
| 76 | George Jr Priolo | 6 | Son | — | Massachusetts |
| 77 | Frank Priolo | 4 | Son | — | Massachusetts |
| 78 | Robert H Brown | 46 | Head | Chauffeur | Massachusetts |
| 79 | Mary Brown | 32 | Wife | — | Canada-English |
| 80 | Robert E Brown | 2 | 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)