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Mary Lynch — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hudson, New Jersey
Our Model Tree links this Mary Lynch across the 1920, 1930 and 1940 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed), with identified parents Patrick & Joseph — first a daughter (b.~1920), then head of a 13-person household.
Age 10
b. ~1920
Female
Daughter
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hudson, New Jersey |
| Surname | Lynch |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1920 |
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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Lynch | Daughter | — | 6 | ~1924 |
| Theresa Lynch | Daughter | — | ~1930 | |
| Mary Lynch | Daughter | — | 10 | ~1920 |
| Catherine Lynch | Daughter | — | 8 | ~1922 |
| Patrick Lynch | Head | — | 48 | ~1882 |
| John Lynch | Son | — | 16 | ~1914 |
| James Lynch | Son | — | 12 | ~1918 |
| Francis Lynch | Son | — | 2 | ~1928 |
| William Lynch | Son | — | ~1930 | |
| Edward Lynch | Son | — | 14 | ~1916 |
| Joseph Lynch | Son | — | 4 | ~1926 |
| Patrick Lynch | Son | — | 18 | ~1912 |
| Mary Lynch | Spouse | — | 46 | ~1884 |
Census Appearances
1920
Hudson, New …
Daughter, age
Hudson, New Jersey · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Daughter, age 10
Hudson, New Jersey · implied b. ~1920 — 13 household members
| Surname | Lynch |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 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 …
Other, age 21
Hudson-County, New Jersey · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Marie |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Hours Worked | 0 |
| Income (1939) | 0 |
| 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 Lynch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Lynch (~0.92 confidence) and father Joseph Lynch (~0.92 confidence) and mother Mary Lynch (~0.92 confidence) and mother Margaret Lynch (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Lynch
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Joseph Lynch
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Mary Lynch
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Margaret Lynch
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Lynch
Daughter · 1930 · age 10 · b. ~1920 · New Jersey
★ You are viewing this record
Sibling
James Lynch
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Lynch
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Lynch
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Lynch
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Lynch
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Lynch
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Lynch
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Lynch
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Lynch
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Lynch
Sibling · 1930 · age 6
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:newjerseycensus00reel1356:0935)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Boyle | 45 | Head | Laborer | New Jersey |
| 2 | Elizabeth Boyle | 43 | Wife | — | New Jersey |
| 3 | John Boyle | 17 | Son | — | New Jersey |
| 4 | Edward Boyle | 15 | Son | — | New Jersey |
| 5 | Catherine Boyle | 13 | Daughter | — | New Jersey |
| 6 | James Boyle | 11 | Son | — | New Jersey |
| 7 | Francis Boyle | 9 | Son | — | New Jersey |
| 8 | Margaret Boyle | 7 | Daughter | — | New Jersey |
| 9 | Joseph Boyle | 5 | Son | — | New Jersey |
| 10 | Theresa Boyle | 3 | Daughter | — | New Jersey |
| 11 | Arthur Black | 42 | Head | Clerk | New Jersey |
| 12 | Mary Black | 40 | Wife | — | New Jersey |
| 13 | Arthur Black | 15 | Son | — | New Jersey |
| 14 | Wayne Black | 13 | Son | — | New Jersey |
| 15 | Mary Black | 11 | Daughter | — | New Jersey |
| 16 | Helen Black | 9 | Daughter | — | New Jersey |
| 17 | Robert Black | 7 | Son | — | New Jersey |
| 18 | John Black | 5 | Son | — | New Jersey |
| 19 | Elizabeth Black | 3 | Daughter | — | New Jersey |
| 20 | William Black | 1 | Son | — | New Jersey |
| 21 | James Duffy | 50 | Head | Laborer | New Jersey |
| 22 | Mary Duffy | 48 | Wife | — | New Jersey |
| 23 | James Duffy | 22 | Son | Clerk | New Jersey |
| 24 | John Duffy | 20 | Son | Laborer | New Jersey |
| 25 | Catherine Duffy | 18 | Daughter | Stenographer | New Jersey |
| 26 | Margaret Duffy | 16 | Daughter | — | New Jersey |
| 27 | Joseph Reilly | 45 | Head | Laborer | New Jersey |
| 28 | Josephine Reilly | 43 | Wife | — | New Jersey |
| 29 | Edward Reilly | 17 | Son | — | New Jersey |
| 30 | Joseph Reilly | 15 | Son | — | New Jersey |
| 31 | Mary Reilly | 13 | Daughter | — | New Jersey |
| 32 | Catherine Reilly | 11 | Daughter | — | New Jersey |
| 33 | Francis Reilly | 9 | Son | — | New Jersey |
| 34 | John Reilly | 7 | Son | — | New Jersey |
| 35 | Margaret Reilly | 5 | Daughter | — | New Jersey |
| 36 | Theresa Reilly | 3 | Daughter | — | New Jersey |
| 37 | William Reilly | 1 | Son | — | New Jersey |
| 38 | Patrick Lynch | 48 | Head | Laborer | New Jersey |
| 39 | Mary Lynch | 46 | Wife | — | New Jersey |
| 40 | Patrick Lynch | 18 | Son | — | New Jersey |
| 41 | John Lynch | 16 | Son | — | New Jersey |
| 42 | Edward Lynch | 14 | Son | — | New Jersey |
| 43 | James Lynch | 12 | Son | — | New Jersey |
| 44 | Mary Lynch THIS PERSON | 10 | Daughter | — | New Jersey |
| 45 | Catherine Lynch | 8 | Daughter | — | New Jersey |
| 46 | Margaret Lynch | 6 | Daughter | — | New Jersey |
| 47 | Joseph Lynch | 4 | Son | — | New Jersey |
| 48 | Francis Lynch | 2 | Son | — | New Jersey |
| 49 | Theresa Lynch | 0 | Daughter | — | New Jersey |
| 50 | William Lynch | 0 | Son | — | New Jersey |
Pedigree Summary
Mary + 10 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)