MC
Mary Corcoran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Monroe-County, New York
Our Model Tree links this Mary Corcoran across the 1930 and 1940 US Censuses in Monroe-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 7-person household.
Age 43
b. ~1897
Female
Spouse
Born: Connecticut
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, New York |
| Surname | Corcoran |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Monroe |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Township / Ward | Rochester |
| Est. Birth Year | ~1897 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Francis Corcoran | Head | — | 45 | ~1895 |
| Andrew Corcoran | Son | — | 13 | ~1927 |
| Mary Corcoran | Daughter | — | 16 | ~1924 |
| Carol Corcoran | Daughter | — | 2 | ~1938 |
| Mary Corcoran | Spouse | — | 43 | ~1897 |
| Eileen Corcoran | Daughter | — | 9 | ~1931 |
| William Corcoran | Son | — | 10 | ~1930 |
Census Appearances
1930
Monroe, New …
Spouse, age 30
Monroe, New York · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Corcoran |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Age at First Marriage | 20 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Monroe-County, New …
Spouse, age 43
Monroe-County, New York · implied b. ~1897 — 7 household members
| Surname | Corcoran |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Monroe |
| Industry | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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.
Show:
This person
Anchor record
Mary Corcoran
Spouse · 1940 · age 43 · b. ~1897 · New York
★ 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 — Monroe-County, New York
Open full size
1940 US Federal Census — Monroe-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02844-00248)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mildred A Mannenwetsch | 32 | Wife | — | Texas |
| 42 | Edward H Mannenwetsch | 12 | Son | — | Texas |
| 43 | Jack L Mannenwetsch | 8 | Son | — | Texas |
| 44 | Theodore V Mannenwetsch | 5 | Son | — | Texas |
| 45 | Joseph Zagata | 46 | Head | Machinist | New York |
| 46 | Emily Zagata | 41 | Wife | Tailoress | Pennsylvania |
| 47 | John L Zagata | 22 | Son | — | New York |
| 48 | Joseph R Zagata | 20 | Son | — | New York |
| 49 | George C Roda | 63 | Head | Roll Grinder | New York |
| 50 | Marion Roda | 57 | Wife | — | New York |
| 51 | Marion E. E. Roda | 27 | Daughter | Dancing Teacher | New York |
| 52 | Arthur D Roda | 18 | Son | — | New York |
| 53 | Francis J Corcoran | 45 | Head | Tool & Die Maker | Connecticut |
| 54 | Mary E Corcoran THIS PERSON | 43 | Wife | — | Connecticut |
| 55 | Mary J Corcoran | 16 | Daughter | — | New York |
| 56 | Andrew J Corcoran | 13 | Son | — | New York |
| 57 | William F Corcoran | 10 | Son | — | New York |
| 58 | Eileen Corcoran | 9 | Daughter | — | New York |
| 59 | Carol A Corcoran | 2 | Daughter | — | New York |
| 60 | William S Mcdill | 52 | Head | Auto Mechanic | New York |
| 61 | Gertrude A Mcdill | 45 | Wife | — | New York |
| 62 | Donald J Mcdill | 15 | Son | — | New York |
| 63 | Everett J Mcdill | 12 | Son | — | New York |
| 64 | Audrey E Mcdill | 8 | Daughter | — | New York |
| 65 | Frank E Martin | 62 | Head | Foreman | England |
| 66 | Catherine Martin | 62 | Wife | — | New York |
| 67 | Edward J Martin | 24 | Son | — | New York |
| 68 | Frances J Martin | 23 | Daughter | — | New York |
| 69 | Thomas Martin | 19 | Son | New Worker | New York |
| 70 | John Culhane | 44 | Head | Molder | New York |
| 71 | Henrietta Culhane | 38 | Wife | — | New York |
| 72 | Emmett P Culhane | 17 | Son | — | New York |
| 73 | Janice M Culhane | 9 | Daughter | — | New York |
| 74 | Bernard J Culhane | 4 | Son | — | New York |
| 75 | Frank Prendergast | 61 | Head | Coater | New York |
| 76 | Mary H Prendergast | 59 | Wife | Secretary | New York |
| 77 | Madeline Prendergast | 27 | Daughter | Secretary | New York |
| 78 | Jean Prendergast | 17 | Daughter | — | New York |
| 79 | Harold F Corey | 44 | Head | Stationary Engineer | Vermont |
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)