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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.~1913), then head of a 10-person household.
Age 17
b. ~1913
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 | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Saleslady |
| Industry | Dept. Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Saleslady |
| Township / Ward | Orange City |
| Est. Birth Year | ~1913 |
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 |
|---|---|---|---|---|
| Anna Byrne | Daughter | — | 13 | ~1917 |
| Mary Byrne | Daughter | — | 17 | ~1913 |
| Josephine Byrne | Daughter | — | 3 | ~1927 |
| Catherine Byrne | Daughter | — | 7 | ~1923 |
| Frances Byrne | Daughter | — | 1 | ~1929 |
| Helen Byrne | Daughter | — | 18 | ~1912 |
| John Byrne | Head | — | 43 | ~1887 |
| Thomas Byrne | Son | — | 12 | ~1918 |
| John Byrne | Son | — | 15 | ~1915 |
| Delia Byrne | Spouse | — | 47 | ~1883 |
Census Appearances
1920
Essex, New …
Daughter, age 7
Essex, New Jersey · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Byrne |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Scholar |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Daughter, age 17
Essex, New Jersey · implied b. ~1913 — 10 household members
| Surname | Byrne |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Saleslady |
| Industry | Dept. Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 17 · b. ~1913 · New Jersey
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Sibling
Thomas Byrne
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Byrne
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Byrne
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Byrne
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Byrne
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Byrne
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Byrne
Sibling · 1930 · age 18
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:newjerseycensus00reel1343:0502)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Gladys Titterton | 5 | Daughter | None | New Jersey |
| 52 | Thelma Titterton | 4 | Daughter | None | New Jersey |
| 53 | John Ritter | 23 | Head | Pressman | New Jersey |
| 54 | Catherine Ritter | 19 | Wife | None | New Jersey |
| 55 | Clarence B. Cleveland | 43 | Head | Cutter | New Jersey |
| 56 | Mary Cleveland | 36 | Wife | None | New Jersey |
| 57 | Marion Cleveland | 19 | Daughter | Typist | New Jersey |
| 58 | William Rochefield | 58 | Head | Painter | New Jersey |
| 59 | Mary Rochefield | 56 | Wife | None | Ireland |
| 60 | Elizabeth Rochefield | 23 | Daughter | Stenographer | New Jersey |
| 61 | William Rochefield | 20 | Son | Bookkeeper | New Jersey |
| 62 | Florence Rochefield | 17 | Daughter | None | New Jersey |
| 63 | James Hanley | 51 | Head | Clerk | New Jersey |
| 64 | Catherine Hanley | 45 | Wife | Splicer | New Jersey |
| 65 | Ethel Hanley | 19 | Daughter | None | New Jersey |
| 66 | James Jr. Hanley | 18 | Son | Weaver | New Jersey |
| 67 | William Hanley | 16 | Son | None | New Jersey |
| 68 | Marie Hanley | 14 | Daughter | None | New Jersey |
| 69 | Frank Baumer | 34 | Head | Blacksmith | Germany |
| 70 | Anna Baumer | 36 | Wife | None | Germany |
| 71 | Anna Baumer | 10 | Daughter | None | Germany |
| 72 | Arthur Van Riper | 40 | Head | Bookkeeper | New Jersey |
| 73 | Adelia Van Riper | 42 | Wife | None | New Jersey |
| 74 | Arthur Jr. Van Riper | 9 | Son | Tool Maker | New Jersey |
| 75 | Richard Van Riper | 2 | Son | None | New Jersey |
| 76 | John J. Byrne | 43 | Head | Ice Man | Ireland |
| 77 | Delia Byrne | 47 | Wife | None | Ireland |
| 78 | Helen Byrne | 18 | Daughter | Clerk | New Jersey |
| 79 | Mary Byrne THIS PERSON | 17 | Daughter | Saleslady | New Jersey |
| 80 | John Byrne | 15 | Son | None | New Jersey |
| 81 | Anna Byrne | 13 | Daughter | None | New Jersey |
| 82 | Thomas Byrne | 12 | Son | None | New Jersey |
| 83 | Catherine Byrne | 7 | Daughter | None | New Jersey |
| 84 | Josephine Byrne | 3 | Daughter | None | New Jersey |
| 85 | Frances Byrne | 1 | Daughter | None | New Jersey |
| 86 | Chas Devora | 39 | Head | Machinist | New Jersey |
| 87 | Hilda Devora | 39 | Wife | None | New Jersey |
| 88 | Andrew Devora | 17 | Son | Assembler | New Jersey |
| 89 | Elizabeth Devora | 15 | Daughter | None | New Jersey |
| 90 | George Devora | 10 | Son | None | New Jersey |
| 91 | Edward Devora | 7 | Son | None | New Jersey |
| 92 | James E. Cook | 36 | Head | Shipping Clerk | North Carolina |
| 93 | Estella Cook | 43 | Wife | None | New York |
| 94 | Cora Pyropoulos | 40 | Head | None | Greece |
| 95 | Mary Pyropoulos | 10 | Daughter | None | New Jersey |
| 96 | Sophie Pyropoulos | 7 | Daughter | None | New Jersey |
| 97 | John Aulos | 49 | Brother | Chef | Greece |
| 98 | Thomas Goldtrap | 29 | Head | Driver | New Jersey |
| 99 | Mary Goldtrap | 26 | Wife | None | New Jersey |
| 100 | Lauretta Goldtrap | 7 | Daughter | None | New Jersey |
Related Census Records
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)