MC
Mary Connelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Mary Connelly across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 3-person household.
Age 42
b. ~1898
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Connelly |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Bayonne City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Bayonne City |
| Est. Birth Year | ~1898 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Connelly | Spouse | — | 42 | ~1898 |
| James Connelly | Son | — | 10 | ~1930 |
| James Connelly | Head | — | 40 | ~1900 |
Census Appearances
1920
Hudson, New …
Spouse, age 21
Hudson, New Jersey · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connolly |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Spouse, age 31
Hudson, New Jersey · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connelly |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 27 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Spouse, age 42
Hudson-County, New Jersey · implied b. ~1898 — 3 household members
| Surname | Connelly |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Bayonne City |
| 1935 Residence (County) | Hudson |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Connelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Connelly
Spouse · 1940 · age 42 · b. ~1898 · New Jersey
★ 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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02344-00344)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vincent Ward | 21 | Son | Inspector Helper | New Jersey |
| 2 | Margaret Ward | 16 | Daughter | — | New Jersey |
| 3 | Helen Ward | 15 | Daughter | — | New Jersey |
| 4 | Henry Rich | 43 | Head | Manager | New Jersey |
| 5 | James Rich | 39 | Brother | Chauffeur | New Jersey |
| 6 | Francis Boyle | 50 | Head | Rigger | Eire |
| 7 | Catherine Boyle | 48 | Wife | — | Eire |
| 8 | Alexander Boyle | 19 | Son | Stamper Clerk | New Jersey |
| 9 | Catherine Boyle | 15 | Daughter | — | New Jersey |
| 10 | James Connelly | 40 | Head | Inspector | New Jersey |
| 11 | Mary Connelly THIS PERSON | 42 | Wife | — | New Jersey |
| 12 | James Connelly | 10 | Son | — | New Jersey |
| 13 | Margaret Thompson | 66 | Head | — | New Jersey |
| 14 | William Thompson | 48 | Son | — | New Jersey |
| 15 | Frank Thompson | 38 | Son | — | New Jersey |
| 16 | Olive Thompson | 36 | Daughter | Stenographer | New Jersey |
| 17 | Helen Thompson | 34 | Daughter | Stenographer | New Jersey |
| 18 | George Thompson | 46 | Son | Foreman | New Jersey |
| 19 | Betty Thompson | 22 | Granddaughter | Stenographer | New Jersey |
| 20 | Olive Thompson | 21 | Granddaughter | — | New Jersey |
| 21 | Delores Thompson | 18 | Granddaughter | — | New Jersey |
| 22 | John Malak | 34 | Head | Smoke Man | New Jersey |
| 23 | Julia Malak | 35 | Wife | — | New Jersey |
| 24 | Francis Malak | 13 | Son | — | New Jersey |
| 25 | John Malak | 11 | Son | — | New Jersey |
| 26 | Germaine Malak | 1 | Daughter | — | New Jersey |
| 27 | Francis Pasluszny | 62 | Head | — | Poland |
| 28 | Stanley Pasluszny | 32 | Son | Pumper Helper | New Jersey |
| 29 | Mary Malak | 30 | Daughter | — | New Jersey |
| 30 | Andrew Malak | 30 | Son-in-law | Welder | Poland |
| 31 | Lawrence Malak | 9 | Grandson | — | New Jersey |
| 32 | Joan Malak | 2 | Granddaughter | — | New Jersey |
| 33 | Aaron Fior | 61 | Head | Painter | Russia |
| 34 | Sarah Fior | 61 | Wife | — | Russia |
| 35 | Carl Fior | 33 | Son | Radio Engineer | Russia |
| 36 | Doris Fior | 29 | Daughter | Secretary | Russia |
| 37 | Rose Fior | 27 | Daughter | Stenographer | Russia |
| 38 | Ida Fior | 21 | Daughter | Stenographer | Russia |
| 39 | Gertrude Fior | 15 | Daughter | Clerk | New Jersey |
| 40 | Richard Dick | 44 | Head | Pipe Fitter Helper | Scotland |
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)