MC
Mary Cronin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Mary Cronin across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1876), then head of a 5-person household.
Age 64
b. ~1876
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Cronin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Lynn City |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Industry | No |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Lynn City |
| Est. Birth Year | ~1876 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Cronin | Head | — | 65 | ~1875 |
| Marguerite Cronin | Daughter | — | 39 | ~1901 |
| Catherine Cronin | Daughter | — | 24 | ~1916 |
| Mary Cronin | Spouse | — | 64 | ~1876 |
| Annie Cronin | Daughter | — | 30 | ~1910 |
Census Appearances
1920
Essex, Massachusetts
Other, age 45
Essex, Massachusetts · implied b. ~1875 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cronin |
| Given Name | Margaret |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1876 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Millworker |
| Industry | Cotton Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Year of Naturalization | 1900 |
| Birthplace (normalized) | ireland |
1930
Essex, Massachusetts
Other, age 56
Essex, Massachusetts · implied b. ~1874 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cronin |
| Given Name | Margaret |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1880 |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Winder |
| Industry | Cotton Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Essex-County, Massachusetts
Spouse, age 64
Essex-County, Massachusetts · implied b. ~1876 — 5 household members
| Surname | Cronin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Lynn City |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Industry | No |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Cronin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cronin
Spouse · 1940 · age 64 · b. ~1876 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01697-00369)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norton Mary Burke | 36 | Daughter | Bulb Worker | Massachusetts |
| 42 | Howard Burke | 12 | Son-in-law | — | Massachusetts |
| 43 | Daniel Hamill | 63 | Head | — | Ireland |
| 44 | Annie Hamill | 53 | Wife | — | Ireland |
| 45 | Donald Hamill | 17 | Son | — | Massachusetts |
| 46 | John Cronin | 65 | Head | Laborer | Ireland |
| 47 | Mary Cronin THIS PERSON | 64 | Wife | — | Ireland |
| 48 | Marguerite Cronin | 39 | Daughter | Office | Massachusetts |
| 49 | Annie Cronin | 30 | Daughter | Office | Massachusetts |
| 50 | Catherine Cronin | 24 | Daughter | Office | Massachusetts |
| 51 | Wladislaw Strzemilowski | 48 | Head | Bartender | Poland |
| 52 | Antonia Strzemilowski | 30 | Wife | Hairdresser | Poland |
| 53 | Robert Strzemilowski | 9 | Son | — | Massachusetts |
| 54 | Henry Strzemilowski | 7 | Son | — | Massachusetts |
| 55 | Edward Mcmanus | 44 | Head | Furniture Mover | Massachusetts |
| 56 | Mary Mcmanus | 44 | Wife | Presser | Massachusetts |
| 57 | John Mcmanus | 19 | Son | Embosser | Massachusetts |
| 58 | Edward Mcmanus | 18 | Son | — | Massachusetts |
| 59 | Dorothy Mcmanus | 16 | Daughter | — | Massachusetts |
| 60 | Philip Mcmanus | 15 | Son | — | Massachusetts |
| 61 | Joseph Mcmanus | 13 | Son | — | Massachusetts |
| 62 | Eileen Mcmanus | 11 | Daughter | — | Massachusetts |
| 63 | William Shattuck | 55 | Head | Proprietor | New Hampshire |
| 64 | Henry Geberhuser | 50 | Lodger | — | — |
| 65 | Elma Donovan | 36 | Lodger | Draftsman | Maine |
| 66 | Patrick Heslin | 46 | Lodger | Bus Operator | Northern Ireland |
| 67 | George Pithie | 60 | Lodger | Machine Operator | Scotland |
| 68 | Henry Richer | 35 | Lodger | Registered Pharmacist | New Hampshire |
| 69 | John Mcintyre | 58 | Lodger | Screw Machine Operator | Massachusetts |
| 70 | Joseph Koohakshi | 27 | Lodger | Sorter | Massachusetts |
| 71 | James Getchell | 39 | Lodger | Electrical Worker | New Hampshire |
| 72 | Joseph Sullivan | 41 | Lodger | Laborer | Massachusetts |
| 73 | Donald Millette | 34 | Lodger | Shipper | Rowley |
| 74 | Crayord Woodbury | 21 | Lodger | Machinist | Maine |
| 75 | Joseph Robinson | 50 | Lodger | — | — |
| 76 | James Dempsey | 62 | Head | — | — |
| 77 | Arthur B. Scott | 22 | Head | Supervisor | — |
| 78 | Virginia Scott | 22 | Wife | — | — |
| 79 | Alexander Sheremuta | 25 | Lodger | Laborer | — |
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)