MC
Mary Conrad — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hudson, New Jersey
Our Model Tree links this Mary Conrad across the 1930 and 1940 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 2
b. ~1928
Female
Daughter
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hudson, New Jersey |
| Surname | Conrad |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Jersey City City |
| Est. Birth Year | ~1928 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Conrad | Daughter | — | 2 | ~1928 |
| Edward Conrad | Son | — | 8 | ~1922 |
| Edward Conrad | Head | — | 36 | ~1894 |
| Catherine Conrad | Daughter | — | 6 | ~1924 |
| Thomas Conrad | Daughter | — | 13 | ~1917 |
| Michael Conrad | Son | — | ~1930 | |
| Alice Conrad | Spouse | — | 42 | ~1888 |
| Alice Conrad | Daughter | — | 4 | ~1926 |
| John Conrad | Son | — | 5 | ~1925 |
Census Appearances
1930
Hudson, New …
Daughter, age 2
Hudson, New Jersey · implied b. ~1928 — 9 household members
| Surname | Conrad |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Daughter, age 11
Hudson-County, New Jersey · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conrado |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | North Bergen Twp. |
| 1935 Residence (County) | Hudson County |
| Highest Grade | No 6 |
| 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 Conrad across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Conrad
Daughter · 1930 · age 2 · b. ~1928 · New Jersey
★ You are viewing this record
Sibling
Alice Conrad
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Conrad
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Conrad
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Conrad
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Conrad
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Conrad
Sibling · 1930 · age 13
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
1930 US Federal Census — Hudson, New Jersey
Open full size
1930 US Federal Census — Hudson, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1355:1041)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael Cervella | 6 | Son | — | New Jersey |
| 2 | Ludwick Roman | 50 | Head | Laborer | Poland |
| 3 | Pauline Roman | 48 | Wife | — | Poland |
| 4 | Adam Roman | 20 | Son | — | New Jersey |
| 5 | Mary Roman | 17 | Daughter | Clerk | New Jersey |
| 6 | Victoria Roman | 15 | Daughter | — | New Jersey |
| 7 | Frank Roman | 13 | Son | — | New Jersey |
| 8 | Elizabeth Jones | 50 | Head | — | New Jersey |
| 9 | Elizabeth Jones | 21 | Daughter | Operator | New Jersey |
| 10 | Helen Jones | 20 | Daughter | Worker | New Jersey |
| 11 | Frank Cravato | 40 | Head | Longshoreman | Italy |
| 12 | Teresa Cravato | 39 | Wife | — | Italy |
| 13 | Anthony Cravato | 17 | Son | Laborer | New Jersey |
| 14 | Patrick Cravato | 14 | Son | — | New Jersey |
| 15 | Frank Cravato | 12 | Son | — | New Jersey |
| 16 | Theresa Cravato | 7 | Daughter | — | New Jersey |
| 17 | Catherine Cravato | 5 | Daughter | — | New Jersey |
| 18 | Albert Cravato | 2 | Son | — | New Jersey |
| 19 | Thomas Montacore | 31 | Head | Laborer | New York |
| 20 | Mildred Montacore | 29 | Wife | — | New Jersey |
| 21 | Thomas Montacore | 3 | Son | — | New York |
| 22 | Marion Montacore | 2 | Daughter | — | New Jersey |
| 23 | Dominick Lorisavilla | 39 | Head | Laborer | Italy |
| 24 | Victoria Lorisavilla | 31 | Wife | — | Italy |
| 25 | Frank Lorisavilla | 14 | Son | — | New York |
| 26 | Andrew Lorisavilla | 13 | Son | — | New York |
| 27 | Margaret Lorisavilla | 11 | Daughter | — | New York |
| 28 | Margaret Riley | 43 | Head | — | New Jersey |
| 29 | Catherine Riley | 20 | Daughter | Clerk | New Jersey |
| 30 | Anna Riley | 18 | Daughter | Clerk | New Jersey |
| 31 | Ralph Riley | 12 | Son | — | New Jersey |
| 32 | Elizabeth Riley | 9 | Daughter | — | New Jersey |
| 33 | Elizabeth Finney | 6 | Niece | — | New Jersey |
| 34 | Edward Conrad | 36 | Head | Cooper | Irish Free State |
| 35 | Alice Conrad | 42 | Wife | — | New Jersey |
| 36 | Thomas Conrad | 13 | Daughter | — | New Jersey |
| 37 | Edward Conrad | 8 | Son | — | New Jersey |
| 38 | Catherine Conrad | 6 | Daughter | — | New Jersey |
| 39 | John Conrad | 5 | Son | — | New Jersey |
| 40 | Alice Conrad | 4 | Daughter | — | New Jersey |
| 41 | Mary Conrad THIS PERSON | 2 | Daughter | — | New Jersey |
| 42 | Michael Conrad | 0 | Son | — | New Jersey |
| 43 | Daniel Ross | 58 | Head | Carpenter | Italy |
| 44 | Bridget Ross | 56 | Wife | — | Italy |
| 45 | Michael Ross | 26 | Son | Laborer | New Jersey |
| 46 | Frank Ross | 23 | Son | Laborer | New Jersey |
| 47 | Mildred Ross | 20 | Daughter | Worker | New Jersey |
| 48 | Rose Ross | 16 | Daughter | Worker | New Jersey |
| 49 | Frances Ross | 13 | Daughter | — | New Jersey |
| 50 | William Ackley | 54 | Head | Mechanic | New York |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)