MC
Mary Cronin — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Cronin across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1868), then head of a 8-person household.
Age 52
b. ~1868
Female
Spouse
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Cronin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1887 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Medford City |
| Est. Birth Year | ~1868 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Charles Cronin | Son | — | 18 | ~1902 |
| Mary Cronin | Spouse | — | 52 | ~1868 |
| Mary Cronin | Daughter | — | 26 | ~1894 |
| Patrick Cronin | Son | — | 17 | ~1903 |
| Katherine Cronin | Daughter | — | 24 | ~1896 |
| John Cronin | Son | — | 20 | ~1900 |
| Michael Cronin | Son | — | 21 | ~1899 |
| Patrick Cronin | Head | — | 55 | ~1865 |
Census Appearances
1900
Middlesex, Massachusetts
Spouse, age 34
Middlesex, Massachusetts · implied b. ~1866 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cronin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Apr |
| Birth Year | 1866 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Middlesex, Massachusetts
Spouse, age 43
Middlesex, Massachusetts · implied b. ~1867 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cronin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 18 |
| Children Living | 3 |
| Year of Immigration | 1885 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Middlesex, Massachusetts
Spouse, age 52
Middlesex, Massachusetts · implied b. ~1868 — 8 household members
| Surname | Cronin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1887 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| 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 (1900, 1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Mary Cronin
Spouse · 1920 · age 52 · b. ~1868 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu714unit:0574)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John H. Sculley | 17 | Cousin | — | Massachusetts |
| 52 | Daniel C. O'Neil | 30 | Roomer | Bookkeeper | Massachusetts |
| 53 | Frank A. Smith | 52 | Head | Dyer | Massachusetts |
| 54 | Frances L. Smith | 48 | Wife | — | Rhode Island |
| 55 | George H. Dean | 48 | Head | Carpenter | Vermont |
| 56 | Lillian G. Dean | 47 | Wife | — | Massachusetts |
| 57 | George Waldo Dean | 24 | Son | Worker | Massachusetts |
| 58 | Albert Diebebach | 38 | Head | Engraver | Germany |
| 59 | Mary S. Diebebach | 41 | Wife | — | Massachusetts |
| 60 | Frederick Diebebach | 21 | Son | Machinist | Massachusetts |
| 61 | Barbara Thurmann | 1 | Niece | — | Rhode Island |
| 62 | John J. Haney | 49 | Head | Station Agt. | Massachusetts |
| 63 | Annie J. Haney | 47 | Wife | — | Massachusetts |
| 64 | Mary A. Haney | 20 | Daughter | Stenographer | Massachusetts |
| 65 | Ralph S. Haney | 6 | Son | — | Massachusetts |
| 66 | Michael Murphy | 71 | Head | Agent | Newfoundland |
| 67 | Agnes Hunt | 34 | Daughter | — | Newfoundland |
| 68 | Albert E. Hunt | 34 | Son in law | Conductor | New Hampshire |
| 69 | Agnes J. Hunt | 1 | Granddaughter | — | Massachusetts |
| 70 | Margaret Hunt | 0 | Granddaughter | — | Massachusetts |
| 71 | John J. O'Hearn | 63 | Head | Worker | Massachusetts |
| 72 | Margaret O'Hearn | 56 | Wife | — | Massachusetts |
| 73 | James O'Hearn | 33 | Son | Fireman | Massachusetts |
| 74 | John J. O'Hearn | 26 | Son | Salesman | Massachusetts |
| 75 | William O'Hearn | 23 | Son | Salesman | Massachusetts |
| 76 | Margaret H. O'Hearn | 24 | Daughter | Stenographer | Massachusetts |
| 77 | Patrick Cronin | 55 | Head | Laborer | Ireland |
| 78 | Mary Cronin THIS PERSON | 52 | Wife | — | Ireland |
| 79 | Mary Cronin | 26 | Daughter | Bookkeeper | Massachusetts |
| 80 | Katherine Cronin | 24 | Daughter | Operator | Massachusetts |
| 81 | Michael J. Cronin | 21 | Son | Boot Maker | Massachusetts |
| 82 | John Cronin | 20 | Son | Boot Maker | Massachusetts |
| 83 | Charles Cronin | 18 | Son | Box Maker | Massachusetts |
| 84 | Patrick H. Cronin | 17 | Son | — | Massachusetts |
| 85 | Frank Macfarland | 41 | Head | Steam Fitter | Massachusetts |
| 86 | Mary H. Macfarland | 32 | Wife | Keeper | Maine |
| 87 | Rosamond Macfarland | 18 | Daughter | Sales | Massachusetts |
| 88 | Frank W. Jr. Macfarland | 15 | Son | Worker | Massachusetts |
| 89 | Annie M. Hallihan | 60 | Mother in law | — | Maine |
| 90 | Frank Brennan | 30 | Head | Yardmaster | Rhode Island |
| 91 | Florence M. Brennan | 30 | Wife | — | Massachusetts |
| 92 | Edith Brennan | 3 | Daughter | — | Massachusetts |
| 93 | Theresa Devonshire | 58 | Mother in law | Mender | Massachusetts |
| 94 | Mary J. Cody | 55 | Head | — | Ireland |
| 95 | Sadie Cody | 27 | Daughter | Supervisor | Massachusetts |
| 96 | Gertrude Cody | 25 | Daughter | Operator | Massachusetts |
| 97 | Gladys Jarvis | 12 | Granddaughter | — | Massachusetts |
| 98 | Thomas J. Dean | 29 | Head | Mechanic | Massachusetts |
| 99 | Hazel L. Dean | 28 | Wife | — | Maine |
| 100 | Thomas J. Jr. Dean | 4 | Son | — | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)