JC
John Connolly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Norfolk-County, Massachusetts
Our Model Tree links this John Connolly across the 1920, 1930 and 1940 US Censuses in Norfolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 7-person household.
Age 72
b. ~1868
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Norfolk-County, Massachusetts |
| Surname | Connolly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Norwood |
| 1935 Residence (County) | Norfolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Norwood |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Connolly | Spouse | — | 70 | ~1870 |
| John Connolly | Head | — | 72 | ~1868 |
| Hannah Coody | Daughter | — | 35 | ~1905 |
| Alice Connolly | Daughter | — | 31 | ~1909 |
| Mary Bauldry | Other | — | 21 | ~1919 |
| Agnes Connolly | Daughter | — | 34 | ~1906 |
| Roger Connolly | Son | — | 46 | ~1894 |
Census Appearances
1920
Norfolk, Massachusetts
Head, age 53
Norfolk, Massachusetts · implied b. ~1867 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connolly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | foreman |
| Industry | car shops |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1892 |
| Birthplace (normalized) | ireland |
1930
Norfolk, Massachusetts
Head, age 62
Norfolk, Massachusetts · implied b. ~1868 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connolly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1885 |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Foreman |
| Industry | Car shops |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 7500 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Norfolk-County, Massachusetts
Head, age 72
Norfolk-County, Massachusetts · implied b. ~1868 — 7 household members
| Surname | Connolly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Norwood |
| 1935 Residence (County) | Norfolk |
| Naturalization Status | Naturalized |
| Highest Grade | H 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 John Connolly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Connolly
Head · 1940 · age 72 · b. ~1868 · Massachusetts
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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 — Norfolk-County, Massachusetts
Open full size
1940 US Federal Census — Norfolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01629-00135)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Matthew Barrett | 4 | Son | — | Massachusetts |
| 2 | Mary Barrett | 2 | Daughter | — | Massachusetts |
| 3 | Coleman Flaherty | 64 | Head | Laborer | Ireland |
| 4 | Mary Flaherty | 60 | Wife | — | Ireland |
| 5 | Mark Flaherty | 63 | Brother | Laborer | Ireland |
| 6 | Robert Griffin | 13 | Boarder | — | Massachusetts |
| 7 | Edward Williams | 10 | Boarder | — | Massachusetts |
| 8 | Nora Mogan | 50 | Head | — | Ireland |
| 9 | John Mogan | 17 | Son | — | Massachusetts |
| 10 | William Mogan | 16 | Son | — | Massachusetts |
| 11 | Francis Mogan | 14 | Son | — | Massachusetts |
| 12 | Harold Boutilier | 46 | Head | Pressman Helper | Canada Eng |
| 13 | Anne Boutilier | 27 | Wife | — | Massachusetts |
| 14 | Catherine Condon | 11 | Daughter | — | Massachusetts |
| 15 | Phyllis Condon | 9 | Daughter | — | Massachusetts |
| 16 | Ursula Eastman | 70 | Boarder | — | Germany |
| 17 | Timothy Smeddy | 65 | Boarder | Bindery | Massachusetts |
| 18 | John Connolly THIS PERSON | 72 | Head | — | Ireland |
| 19 | Mary Connolly | 70 | Wife | — | Ireland |
| 20 | Roger Connolly | 46 | Son | Bar Room | Massachusetts |
| 21 | Hannah Coody | 35 | Daughter | — | Massachusetts |
| 22 | Agnes Connolly | 34 | Daughter | New Eng Tel & Tel | Massachusetts |
| 23 | Alice Connolly | 31 | Daughter | Town | Massachusetts |
| 24 | Mary Bauldry | 21 | Granddaughter | Manufacturing | Massachusetts |
| 25 | John Flaherty | 49 | Head | Town | Massachusetts |
| 26 | Mary Flaherty | 54 | Wife | — | Ireland |
| 27 | John J. Flaherty | 19 | Son | Shoe Factory | Massachusetts |
| 28 | Mary Flaherty | 21 | Daughter | Bake Shop | Massachusetts |
| 29 | Michael Flaherty | 17 | Son | — | Massachusetts |
| 30 | Margaret Flaherty | 12 | Daughter | — | Massachusetts |
| 31 | Bailey Curran | 74 | Head | — | Ireland |
| 32 | Sarah Curran | 73 | Wife | — | Ireland |
| 33 | Sarah Curran | 42 | Daughter | Press | Massachusetts |
| 34 | Margaret Curran | 39 | Daughter | Press | Massachusetts |
| 35 | Edward Costello | 55 | Head | Laborer | Ireland |
| 36 | Margaret Costello | 48 | Daughter | — | Ireland |
| 37 | Patrick Costello | 27 | Son | Tanning Factory | Massachusetts |
| 38 | Thomas Costello | 25 | Son | Paper Mill | Massachusetts |
| 39 | Catherine Costello | 22 | Daughter | Insurance Co. | Massachusetts |
| 40 | Edward Costello | 21 | Son | Paper Factory | Massachusetts |
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)