MC
Mary Connolly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-Haven-County, Connecticut
Our Model Tree links this Mary Connolly across the 1930 and 1940 US Censuses in New-Haven-County, Connecticut (XGBoost, ~Confirmed) — first a spouse (b.~1875), then head of a 9-person household.
Age 65
b. ~1875
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Haven-County, Connecticut |
| Surname | Connolly |
| Given Name | Mary G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Milford |
| 1935 Residence (County) | New Haven |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Milford |
| Est. Birth Year | ~1875 |
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 |
|---|---|---|---|---|
| Maurice Connolly | Son | — | 45 | ~1895 |
| Joseph Connolly | Son | — | 37 | ~1903 |
| Michael Connolly | Head | — | 74 | ~1866 |
| John Connolly | Son | — | 51 | ~1889 |
| Stella Connolly | Daughter | — | 39 | ~1901 |
| James Connolly | Son | — | 43 | ~1897 |
| Vincent Connolly | Son | — | 41 | ~1899 |
| Michael Connolly | Son | — | 47 | ~1893 |
| Mary Connolly | Spouse | — | 65 | ~1875 |
Census Appearances
Spouse, age 57
New Haven, Connecticut · implied b. ~1873 — 20 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connelly |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Ireland |
| Age at First Marriage | 17 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
New-Haven-County, Connecticut
Spouse, age 65
New-Haven-County, Connecticut · implied b. ~1875 — 9 household members
| Surname | Connolly |
| Given Name | Mary G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Milford |
| 1935 Residence (County) | New Haven |
| Naturalization Status | Naturalized |
| Highest Grade | Hs 4 |
| 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 Connolly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Connolly
Spouse · 1940 · age 65 · b. ~1875 · Connecticut
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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 — New-Haven-County, Connecticut
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1940 US Federal Census — New-Haven-County, Connecticut
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00517-00676)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norma H. Bover | 9 | Daughter | — | Connecticut |
| 42 | Frank H. Babson | 71 | Head | — | England |
| 43 | Amy G. Babson | 69 | Wife | — | England |
| 44 | Walter J. Corbiere | 21 | Lodger | Messenger | Connecticut |
| 45 | Albert W. Benoit | 24 | Head | Foreman | Connecticut |
| 46 | Madeline G. Benoit | 21 | Wife | — | Maine |
| 47 | Albert W. Benoit | 2 | Son | — | Connecticut |
| 48 | Maine F. Shaw | 12 | Niece | — | Connecticut |
| 49 | Theodore G. Johnston | 46 | Head | — | Connecticut |
| 50 | Chester Hayden | 21 | Son | Salesman | Connecticut |
| 51 | Dominick Santavica | 30 | Head | Farmer | Connecticut |
| 52 | Mary Santavica | 23 | Wife | — | Connecticut |
| 53 | Michael Santavica | 2 | Son | — | Connecticut |
| 54 | Grace B. Santavica | 1 | Daughter | — | Connecticut |
| 55 | Jerry Cassillo | 17 | Hired Hand | Farmer | Connecticut |
| 56 | Joseph H. Clouthier | 46 | Head | Salesman | Massachusetts |
| 57 | Mary H. Clouthier | 46 | Wife | — | Maine |
| 58 | Joseph S. Gal | 24 | Lodger | Waterproofer | Connecticut |
| 59 | Hazel H. Gal | 22 | Lodger | Waitress | Vermont |
| 60 | Joseph M. Viola | 50 | Head | — | Italy |
| 61 | Rosa M. Viola | 47 | Wife | Arclady | Italy |
| 62 | John B. Viola | 23 | Son | Mechanic | Connecticut |
| 63 | Arthur Viola | 21 | Son | Gardner | Connecticut |
| 64 | Dorothy Viola | 20 | Daughter | — | Connecticut |
| 65 | Geo. A. Best | 50 | Head | Gardner | Connecticut |
| 66 | Bessie V. Best | 45 | Wife | — | Connecticut |
| 67 | Robert Payon | 4 | Nephew | — | Connecticut |
| 68 | Carlotta Payon | 3 | Niece | — | Connecticut |
| 69 | H. Alice | 26 | Niece | Secretary | Connecticut |
| 70 | Fred C. Andrew | 52 | Hired Hand | Painter | New York |
| 71 | Kass Boddey | 44 | Head | Farmer | Russia |
| 72 | Michael M. Connolly | 74 | Head | Farmer | Ireland |
| 73 | Mary G. Connolly THIS PERSON | 65 | Wife | — | Ireland |
| 74 | John L. Connolly | 51 | Son | Farmer | New York |
| 75 | Michael J. Connolly | 47 | Son | Plumber | Connecticut |
| 76 | Maurice Connolly | 45 | Son | Laborer | Connecticut |
| 77 | James J. Connolly | 43 | Son | Laborer | Connecticut |
| 78 | Vincent R. Connolly | 41 | Son | Laborer | Connecticut |
| 79 | Stella Connolly | 39 | Daughter | — | Connecticut |
| 80 | Joseph M. Connolly | 37 | Son | Laborer | Connecticut |
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)