MC
Mary Corcoran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mahoning-County, Ohio
Our Model Tree links this Mary Corcoran across the 1930 and 1940 US Censuses in Mahoning-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 9-person household.
Age 44
b. ~1896
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mahoning-County, Ohio |
| Surname | Corcoran |
| Given Name | Mary Ellen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Youngstown |
| 1935 Residence (County) | Mahoning |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Youngstown |
| Est. Birth Year | ~1896 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Patrick Kidney | Other | — | 41 | ~1899 |
| Thomas Corcoran | Head | — | 45 | ~1895 |
| Anthony Corcoran | Son | — | 6 | ~1934 |
| Thomas Corcoran | Son | — | 10 | ~1930 |
| William Corcoran | Son | — | 8 | ~1932 |
| Christina Hagerty | Other | — | 48 | ~1892 |
| Anthony Corcoran | Other | — | 56 | ~1884 |
| Mary Corcoran | Spouse | — | 44 | ~1896 |
| Nora Corcoran | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Mahoning, Ohio
Other, age 33
Mahoning, Ohio · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Corcoran |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 23 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Mahoning-County, Ohio
Spouse, age 44
Mahoning-County, Ohio · implied b. ~1896 — 9 household members
| Surname | Corcoran |
| Given Name | Mary Ellen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Youngstown |
| 1935 Residence (County) | Mahoning |
| Naturalization Status | Naturalized |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| 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 Corcoran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Corcoran
Spouse · 1940 · age 44 · b. ~1896 · Ohio
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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 — Mahoning-County, Ohio
Open full size
1940 US Federal Census — Mahoning-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03268-00396)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Catherine Fuscillo | 1 | Daughter | — | Ohio |
| 2 | Mary Fuscillo | 0 | Daughter | — | Ohio |
| 3 | Vincent Frazzini | 29 | Head | Press Operator | Italy |
| 4 | Anna Frazzini | 30 | Wife | — | Ohio |
| 5 | Theresa Frazzini | 12 | Daughter | — | Ohio |
| 6 | Rose Frazzini | 6 | Daughter | — | Ohio |
| 7 | Anna Frazzini | 2 | Daughter | — | Ohio |
| 8 | Almira Colasante | 42 | Head | — | Italy |
| 9 | Violet Colasante | 22 | Daughter | Bookbinder | Ohio |
| 10 | Lynda Colasante | 20 | Daughter | Typist | Ohio |
| 11 | Amelia Colasante | 18 | Daughter | — | Ohio |
| 12 | Cleto Colasante | 16 | Son | — | Ohio |
| 13 | Margaret Colasante | 13 | Daughter | — | Ohio |
| 14 | Dahlia Colasante | 11 | Daughter | — | Ohio |
| 15 | Felix Colasante | 7 | Son | — | Ohio |
| 16 | Thomas Corcoran | 45 | Head | Fireman | Ireland |
| 17 | Mary Ellen Corcoran THIS PERSON | 44 | Wife | — | Ireland |
| 18 | Nora Corcoran | 12 | Daughter | — | Ohio |
| 19 | Thomas Corcoran | 10 | Son | — | Ohio |
| 20 | William Corcoran | 8 | Son | — | Ohio |
| 21 | Anthony Corcoran | 6 | Son | — | Ohio |
| 22 | Christina Hagerty | 48 | Sister-in-law | — | Ireland |
| 23 | Anthony Corcoran | 56 | Brother | Assembler | Ireland |
| 24 | Patrick Kidney | 41 | Lodger | Press Operator | Ireland |
| 25 | Dominic Strollo | 59 | Head | Spot Weld | Italy |
| 26 | Mary Strollo | 36 | Wife | — | New Jersey |
| 27 | Jennie Strollo | 17 | Daughter | Paper Trader | Penn. |
| 28 | Almina Strollo | 16 | Daughter | — | Ohio |
| 29 | Wilma Strollo | 15 | Daughter | — | Ohio |
| 30 | Dante Strollo | 13 | Son | — | Ohio |
| 31 | Edina Strollo | 10 | Daughter | — | Ohio |
| 32 | Henney Strollo | 9 | Son | — | Ohio |
| 33 | Clyde Anderson | 36 | Head | Laborer | Penn. |
| 34 | Cecelia Anderson | 35 | Wife | — | Penn. |
| 35 | Normalee Anderson | 13 | Daughter | — | Ohio |
| 36 | Clyde Jr. Anderson | 12 | Son | — | Ohio |
| 37 | Harold E. Anderson | 10 | Son | — | Ohio |
| 38 | Nicholas Dischiano | 43 | Head | Shipper | Italy |
| 39 | Mary Dischiano | 40 | Wife | — | Italy |
| 40 | Veda Dischiano | 20 | Son | — | Ohio |
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)