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Mary Byrne — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Essex, New Jersey
Our Model Tree links this Mary Byrne across the 1920 and 1930 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 10-person household.
Age 12
b. ~1918
Female
Daughter
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, New Jersey |
| Surname | Byrne |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Newark City |
| 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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Esther Byrne | Daughter | — | 1 | ~1929 |
| Frances Byrne | Daughter | — | 14 | ~1916 |
| Mary Byrne | Daughter | — | 12 | ~1918 |
| Anna Byrne | Daughter | — | 3 | ~1927 |
| William Byrne | Head | — | 44 | ~1886 |
| Anna Byrne | Other | — | 36 | ~1894 |
| Charles Byrne | Son | — | 6 | ~1924 |
| William Byrne | Son | — | 4 | ~1926 |
| Martin Byrne | Son | — | 10 | ~1920 |
| Vincent Byrne | Son | — | 15 | ~1915 |
Census Appearances
1920
Essex, New …
Daughter, age 2
Essex, New Jersey · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Byrne |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Daughter, age 12
Essex, New Jersey · implied b. ~1918 — 10 household members
| Surname | Byrne |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Byrne across 2 US Census years (1920 and 1930) in Essex, New Jersey, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Byrne
Daughter · 1930 · age 12 · b. ~1918 · New Jersey
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Sibling
Vincent Byrne
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Byrne
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Byrne
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Byrne
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Byrne
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esther Byrne
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Byrne
Sibling · 1930 · age 3
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 — Essex, New Jersey
Open full size
1930 US Federal Census — Essex, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1339:0480)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Anthony Schueler | 47 | Head | Fireman | Germany |
| 52 | Mary Schueler | 46 | Wife-H | — | New York |
| 53 | Martha Schueler | 17 | Daughter | — | New York |
| 54 | Theodore Jadwaczak | 38 | Head | Laborer | Poland |
| 55 | Paulina Jadwaczak | 45 | Wife-H | — | Poland |
| 56 | Mary Jadwaczak | 13 | Daughter | — | New Jersey |
| 57 | Anna Jadwaczak | 10 | Daughter | — | New Jersey |
| 58 | Anthony Jadwaczak | 9 | Son | — | New Jersey |
| 59 | Helen Jadwaczak | 6 | Daughter | — | New Jersey |
| 60 | Olga Jadwaczak | 2 | Daughter | — | New Jersey |
| 61 | John Mundroski | 57 | Head | — | Poland |
| 62 | Walter Mundroski | 26 | Son | Assistant Baker | New Jersey |
| 63 | John Krypel | 44 | Head | Laborer | Poland |
| 64 | Sophie Krypel | 42 | Wife-H | — | Poland |
| 65 | Mary Krypel | 14 | Daughter | Wrapper | New Jersey |
| 66 | Anna Krypel | 18 | Daughter | Clerk | New Jersey |
| 67 | Michael Krypel | 17 | Son | Helper | New Jersey |
| 68 | Joseph Krypel | 6 | Son | — | New Jersey |
| 69 | Stanley Czyge | 55 | Head | Laborer | Poland |
| 70 | John Czyge | 27 | Son | Laborer | Poland |
| 71 | Joseph Spulerych | 32 | Head | Laborer | Poland |
| 72 | Catherine Spulerych | 40 | Wife-H | — | Poland |
| 73 | Gertrude Spulerych | 12 | Daughter | — | New Jersey |
| 74 | John Spulerych | 10 | Son | — | New Jersey |
| 75 | Edward Spulerych | 8 | Son | — | New Jersey |
| 76 | Casimir Spulerych | 5 | Son | — | New Jersey |
| 77 | Frank Golda | 55 | Head | Color Maker | Poland |
| 78 | Paulina Golda | 27 | Wife-H | — | Poland |
| 79 | Edward Golda | 1 | Son | — | New Jersey |
| 80 | John Smelaschma | 24 | Head | Laborer | Poland |
| 81 | Kathryn Smelaschma | 24 | Wife-H | — | Poland |
| 82 | John Jr. Smelaschma | 1 | Son | — | New Jersey |
| 83 | John Zimnoski | 29 | Lodger | Laborer | Poland |
| 84 | John Ozak | 25 | Lodger | Laborer | Poland |
| 85 | Sarah Glenn | 73 | Head-H | — | Irish Free State |
| 86 | Hugh Glenn | 35 | Son | Laborer | New Jersey |
| 87 | Patrick Glenn | 33 | Son | Laborer | New Jersey |
| 88 | Robert Hoffman | 31 | Head | Sprayer | New Jersey |
| 89 | Jennie Hoffman | 24 | Wife-H | — | New Jersey |
| 90 | William Byrne | 44 | Head | Court Attendant | New Jersey |
| 91 | Anna Byrne | 36 | Wife-H | — | New Jersey |
| 92 | Vincent Byrne | 15 | Son | — | New Jersey |
| 93 | Frances Byrne | 14 | Daughter | — | New Jersey |
| 94 | Mary Byrne THIS PERSON | 12 | Daughter | — | New Jersey |
| 95 | Martin Byrne | 10 | Son | — | New Jersey |
| 96 | Charles Byrne | 6 | Son | — | New Jersey |
| 97 | William Byrne | 4 | Son | — | New Jersey |
| 98 | Anna Byrne | 3 | Daughter | — | New Jersey |
| 99 | Esther Byrne | 1 | Daughter | — | New Jersey |
| 100 | Frank Byrne | 45 | Head | Laborer | New Jersey |
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)