MC
Mary Conroy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Somerset-County, New Jersey
Our Model Tree links this Mary Conroy across the 1930 and 1940 US Censuses in Somerset-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Somerset-County, New Jersey |
| Surname | Conroy |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | City of Bound Brook |
| 1935 Residence (County) | Somerset |
| Additional Details | |
| Occupation | Machine Operator |
| Industry | Cleaning House |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Machine Operator |
| Township / Ward | City Of Bound Brook |
| Est. Birth Year | ~1918 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Conroy | Daughter | — | 22 | ~1918 |
| Daniel Conroy | Son | — | 25 | ~1915 |
| Helen Conroy | Daughter | — | 32 | ~1908 |
| Joan Conroy | Daughter | — | 15 | ~1925 |
| James Conroy | Son | — | 19 | ~1921 |
| Joseph Conroy | Son | — | 18 | ~1922 |
| Mary Conroy | Head | — | 60 | ~1880 |
| Bartholomew Conroy | Son | — | 23 | ~1917 |
Census Appearances
1930
Somerset, New …
Daughter, age 12
Somerset, New Jersey · implied b. ~1918 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conroy |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Somerset-County, New …
Daughter, age 22
Somerset-County, New Jersey · implied b. ~1918 — 8 household members
| Surname | Conroy |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | City of Bound Brook |
| 1935 Residence (County) | Somerset |
| Occupation | Machine Operator |
| Industry | Cleaning House |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 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 Conroy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Conroy
Daughter · 1940 · age 22 · b. ~1918 · New Jersey
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Sibling
Bartholomew Conroy
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Conroy
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Conroy
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Conroy
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Conroy
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Conroy
Sibling · 1940 · age 32
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 — Somerset-County, New Jersey
Open full size
1940 US Federal Census — Somerset-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02382-00408)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Ricchiello | 15 | Son | — | New Jersey |
| 42 | Michael Ricchiello | 13 | Son | — | New Jersey |
| 43 | Catherine Ricchiello | 12 | Daughter | — | New York |
| 44 | Rose Longardo | 50 | Head | — | New York |
| 45 | Dominic Longardo | 20 | Son | Mail-Clerk | New Jersey |
| 46 | Olympia Longardo | 18 | Daughter | — | New Jersey |
| 47 | Mary Conroy | 60 | Head | — | New Jersey |
| 48 | Helen Conroy | 32 | Daughter | Nurse | New Jersey |
| 49 | Daniel Conroy | 25 | Son | Mortician | New Jersey |
| 50 | Bartholomew Conroy | 23 | Son | Clerk-Bookkeeper | New Jersey |
| 51 | Mary Conroy THIS PERSON | 22 | Daughter | Machine Operator | New Jersey |
| 52 | James Conroy | 19 | Son | Helper | New Jersey |
| 53 | Joseph Conroy | 18 | Son | — | New Jersey |
| 54 | Joan Conroy | 15 | Daughter | — | New Jersey |
| 55 | Marie Maneka | 52 | Head | — | Vermont |
| 56 | Marie Maneka | 22 | Daughter | Comptometer | Vermont |
| 57 | Dorothy Maneka | 20 | Daughter | — | Vermont |
| 58 | Charles Maneka | 50 | Husband | Electrician | Wisconsin |
| 59 | Angelo Decastro | 35 | Head | Proprietor | New Jersey |
| 60 | Carmella Decastro | 25 | Wife | — | New Jersey |
| 61 | Robert Decastro | 9 | Son | — | New Jersey |
| 62 | Louise Decastro | 6 | Daughter | — | New Jersey |
| 63 | Angela Decastro | 0 | Daughter | — | New Jersey |
| 64 | William Maltera | 29 | Lodger | Seafood Vendor | New York |
| 65 | Angela Maltera | 27 | Lodger | Telephone Operator | New Jersey |
| 66 | Agnes Stashak | 47 | Head | — | Maryland |
| 67 | Martha Stashak | 45 | Daughter | — | New Jersey |
| 68 | Rose Stashak | 40 | Daughter | Stenographer | New Jersey |
| 69 | Fred Stashak | 25 | Son | Auto Mechanic | New Jersey |
| 70 | Anthony Deangelo | 36 | Head | Pharmacist-Prop | Italy |
| 71 | Mary Deangelo | 39 | Wife | — | New York |
| 72 | Teresa Deangelo | 7 | Daughter | — | New Jersey |
| 73 | Regina Deangelo | 5 | Daughter | — | New Jersey |
| 74 | Thomas Deangelo | 32 | Head | Chemist | New Jersey |
| 75 | Pasquale Marelli | 53 | Head | Proprietor | Italy |
| 76 | Eugene Marelli | 15 | Son | Attendant | New Jersey |
| 77 | Emanuel Ascirei | 36 | Head | Truck Driver | New York |
| 78 | Emma Ascirei | 34 | Wife | — | New Jersey |
| 79 | Claudina Ascirei | 7 | Daughter | — | New Jersey |
| 80 | Joyce Ascirei | 5 | Daughter | — | New Jersey |
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)