MC
Margaret Callahan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hudson, New Jersey
Our Model Tree links this Margaret Callahan across the 1920 and 1930 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 11-person household.
Age 22
b. ~1908
Female
Daughter
Born: New York
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hudson, New Jersey |
| Surname | Callahan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Additional Details | |
| Occupation | Operator |
| Industry | Law Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Operator |
| Township / Ward | Jersey City City |
| Est. Birth Year | ~1908 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Andrew Callahan | Head | — | 50 | ~1880 |
| Helen Callahan | Daughter | — | 24 | ~1906 |
| Andrew Callahan | Son | — | 7 | ~1923 |
| Margaret Callahan | Daughter | — | 22 | ~1908 |
| Rosemarie Callahan | Daughter | — | 4 | ~1926 |
| John Callahan | Son | — | 17 | ~1913 |
| Francis Callahan | Other | — | 44 | ~1886 |
| Jean Callahan | Daughter | — | 2 | ~1928 |
| Alice Callahan | Daughter | — | 9 | ~1921 |
| Andrew Callahan | Son | — | 19 | ~1911 |
| Sydney Callahan | Son | — | 12 | ~1918 |
Census Appearances
1920
Hudson, New …
Daughter, age 10
Hudson, New Jersey · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callahan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Hudson, New …
Daughter, age 22
Hudson, New Jersey · implied b. ~1908 — 11 household members
| Surname | Callahan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Occupation | Operator |
| Industry | Law Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Margaret Callahan across 2 US Census years (1920 and 1930) in Hudson, New Jersey, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Callahan
Daughter · 1930 · age 22 · b. ~1908 · New Jersey
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Sibling
Alice Callahan
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Callahan
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Callahan
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Callahan
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sydney Callahan
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemarie Callahan
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Callahan
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Callahan
Sibling · 1930 · age 7
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:newjerseycensus00reel1354:0028)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew Callahan | 50 | Head | — | New Jersey |
| 2 | Francis Callahan | 44 | Wife-H | Operator | New York |
| 3 | Helen Callahan | 24 | Daughter | — | New York |
| 4 | Margaret Callahan THIS PERSON | 22 | Daughter | Operator | New York |
| 5 | Andrew Callahan | 19 | Son | Operator | New York |
| 6 | John Callahan | 17 | Son | — | New Jersey |
| 7 | Sydney Callahan | 12 | Son | Counter | New Jersey |
| 8 | Alice Callahan | 9 | Daughter | — | New Jersey |
| 9 | Andrew Callahan | 7 | Son | — | New Jersey |
| 10 | Rosemarie Callahan | 4 | Daughter | — | New Jersey |
| 11 | Jean Callahan | 2 | Daughter | — | New Jersey |
| 12 | Pasquale Rinaldi | 52 | Head | Barber | Italy |
| 13 | Giacinta Rinaldi | 50 | Wife-H | — | Italy |
| 14 | Rose Rinaldi | 24 | Daughter | Stenographer | New Jersey |
| 15 | John Rinaldi | 21 | Son | Truck Driver | New Jersey |
| 16 | Jessie Rinaldi | 19 | Daughter | Stenographer | New Jersey |
| 17 | Mary Rinaldi | 14 | Daughter | — | New Jersey |
| 18 | Raymond Rinaldi | 8 | Son | — | New Jersey |
| 19 | Johanna Judge | 65 | Head | — | New York |
| 20 | Joseph Mark | 39 | Head | Fireman | New Jersey |
| 21 | Anna Mark | 37 | Wife-H | — | New Jersey |
| 22 | Francis Mark | 12 | Daughter | — | New Jersey |
| 23 | Anna Mark | 10 | Daughter | — | New Jersey |
| 24 | Anna Mark | 9 | Daughter | — | New Jersey |
| 25 | Evelyn Mark | 7 | Daughter | — | New Jersey |
| 26 | Barbara Mark | 5 | Daughter | — | New Jersey |
| 27 | William Mark | 3 | Son | — | New Jersey |
| 28 | Veronica Mark | 2 | Daughter | — | New Jersey |
| 29 | John Mark | 1 | Son | — | New Jersey |
| 30 | Rosalie Murphy | 60 | Head | — | New Jersey |
| 31 | Michael Kelly | 74 | Head | — | Ireland |
| 32 | Mary B. Kelly | 60 | Wife | — | Ireland |
| 33 | John Kelly | 28 | Son | Teller | New Jersey |
| 34 | Michael Jr. Kelly | 26 | Son | Laborer | New Jersey |
| 35 | James Kelly | 21 | Son | Laborer | New Jersey |
| 36 | Marie Kelly | 16 | Daughter | — | New Jersey |
| 37 | Jerome O'Connor | 45 | Head | Laborer | New Jersey |
| 38 | Katherine O'Connor | 34 | Wife-H | — | New Jersey |
| 39 | Bernadine O'Connor | 10 | Daughter | — | New Jersey |
| 40 | Katherine O'Connor | 9 | Daughter | — | New Jersey |
| 41 | Edward O'Connor | 6 | Son | — | New Jersey |
| 42 | William O'Connor | 4 | Son | — | New Jersey |
| 43 | Margaret O'Connor | 3 | Daughter | — | New Jersey |
| 44 | Julia O'Connor | 1 | Daughter | — | New Jersey |
| 45 | James J. Ward | 54 | Head | — | New Jersey |
| 46 | Katie Ward | 53 | Wife-H | Laborer | New Jersey |
| 47 | James J. Jr. Ward | 18 | Son | — | New Jersey |
| 48 | Nellie Donnelly | 60 | Head | — | Ireland |
| 49 | Frank Lawler | 29 | Head | — | New York |
| 50 | Mary Lawler | 29 | Wife-H | Mechanic | Ireland |
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)