MC
Mary Connell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Connell across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 11-person household.
Age 16
b. ~1924
Female
Daughter
Born: Mass
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Connell |
| Given Name | Mary P. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Mass |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
| Township / Ward | Boston |
| Est. Birth Year | ~1924 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Bernard Connell | Son | — | 20 | ~1920 |
| Daniel Connell | Son | — | 18 | ~1922 |
| Philip Connell | Son | — | 26 | ~1914 |
| Rosemary Connell | Daughter | — | 12 | ~1928 |
| Paul Connell | Son | — | 14 | ~1926 |
| Anastasia Connell | Daughter | — | 22 | ~1918 |
| Anastasia Connell | Head | — | 52 | ~1888 |
| David Connell | Son | — | 11 | ~1929 |
| Mary Connell | Daughter | — | 16 | ~1924 |
| James Connell | Son | — | 24 | ~1916 |
| Frederick Connell | Son | — | 27 | ~1913 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 5
Suffolk, Massachusetts · implied b. ~1925 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connell |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Mass |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
1940
Suffolk-County, Massachusetts
Daughter, age 16
Suffolk-County, Massachusetts · implied b. ~1924 — 11 household members
| Surname | Connell |
| Given Name | Mary P. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Mass |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
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 Connell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Connell
Daughter · 1940 · age 16 · b. ~1924 · Massachusetts
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Sibling
Paul Connell
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anastasia Connell
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Connell
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philip Connell
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Connell
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Connell
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Connell
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Connell
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Connell
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01678-00189)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Pray | 51 | Head | Operator | Mass |
| 2 | Mary Pray | 52 | Wife | House Wife | Mass |
| 3 | John J. Pray | 20 | Son | Worker | Mass |
| 4 | Bess Pray | 19 | Wife | — | Mass |
| 5 | Thomas J. Pray | 19 | Son | Salesman | Mass |
| 6 | Anthony Edgar | 60 | Lodger | Master | Italy |
| 7 | Arthur Anderson | 54 | Head | Machinist | Mass |
| 8 | Catherine Anderson | 55 | Wife | — | Mass |
| 9 | Mary Anderson | 30 | Daughter | Teaching | Mass |
| 10 | Dorothy Anderson | 23 | Daughter | Teaching | Mass |
| 11 | Anastasia Connell | 52 | Head | — | Mass |
| 12 | Frederick Connell | 27 | Son | — | Mass |
| 13 | Philip Connell | 26 | Son | Meat Cutter | Mass |
| 14 | James Connell | 24 | Son | — | Mass |
| 15 | Anastasia Connell | 22 | Daughter | Typist | Mass |
| 16 | Bernard J. Connell | 20 | Son | Meat Cutter | Mass |
| 17 | Daniel J. Connell | 18 | Son | — | Mass |
| 18 | Mary P. Connell THIS PERSON | 16 | Daughter | — | Mass |
| 19 | Paul J. Connell | 14 | Son | — | Mass |
| 20 | Rosemary Connell | 12 | Daughter | — | Mass |
| 21 | David Jos. Connell | 11 | Son | — | Mass |
| 22 | Joseph J. Cumming | 31 | Head | Carpenter | Mass |
| 23 | Eleanor Cumming | 31 | Wife | — | Mass |
| 24 | Mary Cumming | 5 | Daughter | — | Mass |
| 25 | Nancy Cumming | 1 | Daughter | — | Mass |
| 26 | Peter Campote | 66 | Head | — | Italy |
| 27 | Annie Campote | 65 | Wife | — | Italy |
| 28 | Francis Campote | 25 | Daughter | Typist | Mass |
| 29 | Joseph De Felice | 55 | Head | Shoe | Italy |
| 30 | Mary De Felice | 55 | Wife | Housewife | Italy |
| 31 | Philomena De Felice | 25 | Daughter | Seamstress | Italy |
| 32 | Joseph Jr. De Felice | 15 | Son | — | Mass |
| 33 | Anthony De Felice | 15 | Son | — | Mass |
| 34 | Mark W. Monard | 46 | Head | Clerk | Mass |
| 35 | Lillian G. Monard | 50 | Wife | — | Mass |
| 36 | John Russo | 43 | Head | — | Mass |
| 37 | Bonnie Russo | 40 | Wife | — | Mass |
| 38 | Charles Mcglaughlin | 42 | Head | Machinist | Mass |
| 39 | Helen Mcglaughlin | 44 | Wife | — | New York |
| 40 | Joseph Mcglaughlin | 11 | Son | — | Mass |
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)