MM
Mary Maher — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Hudson, New Jersey
Our Model Tree links this Mary Maher across the 1910 and 1920 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1907), then head of a 7-person household.
Age 13
b. ~1907
Female
Daughter
Born: New Jersey
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Hudson, New Jersey |
| Surname | Maher |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1907 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Maher | Daughter | — | 11 | ~1909 |
| Mary Maher | Daughter | — | 13 | ~1907 |
| Hannah Maher | Spouse | — | 37 | ~1883 |
| Stephen Maher | Head | — | 47 | ~1873 |
| Thomas Maher | Son | — | 4 | ~1916 |
| Helen Maher | Daughter | — | 9 | ~1911 |
| Anna Maher | Daughter | — | 7 | ~1913 |
Census Appearances
1910
Hudson, New …
Daughter, age 3
Hudson, New Jersey · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maher |
| Given Name | Mary F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Hudson, New …
Daughter, age 13
Hudson, New Jersey · implied b. ~1907 — 7 household members
| Surname | Maher |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Maher across 2 US Census years (1910 and 1920) in Hudson, New Jersey, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Maher
Daughter · 1920 · age 13 · b. ~1907 · New Jersey
★ You are viewing this record
Sibling
Anna Maher
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Maher
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Maher
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Maher
Sibling · 1920 · age 4
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
1920 US Federal Census — Hudson, New Jersey
Open full size
1920 US Federal Census — Hudson, New Jersey
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1052unit:0803)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peter Kozlowski | 31 | Head | Laborer | Poland |
| 2 | Mary Kozlowski | 34 | Wife | — | Poland |
| 3 | Stella Kozlowski | 9 | Daughter | — | New Jersey |
| 4 | Annie Kozlowski | 7 | Daughter | — | New Jersey |
| 5 | Virginia Kozlowski | 3 | Daughter | — | New Jersey |
| 6 | Walter Kozlowski | 1 | Son | — | New Jersey |
| 7 | John Kozlowski | 36 | Head | Laborer | Poland |
| 8 | Annie Kozlowski | 31 | Wife | — | Hungary |
| 9 | Anthony Kozlowski | 42 | Head | Laborer | Poland |
| 10 | Sophie Kozlowski | 40 | Wife | — | Poland |
| 11 | Antoinette Kozlowski | 11 | Daughter | — | New Jersey |
| 12 | Dominic Kozlowski | 9 | Son | — | New Jersey |
| 13 | Gaetano Cusmano | 50 | Head | Laborer | Italy |
| 14 | Josephine Cusmano | 45 | Wife | — | Italy |
| 15 | Gaetano Cusmano | 16 | Son | — | New Jersey |
| 16 | Walter Donnelly | 42 | Head | Clerk | Pennsylvania |
| 17 | Barbara Donnelly | 40 | Wife | Cleaner | Pennsylvania |
| 18 | Joseph Donnelly | 10 | Son | — | New Jersey |
| 19 | Mary Donnelly | 7 | Daughter | — | New Jersey |
| 20 | George Liddy | 55 | Head | — | Germany |
| 21 | Anna Liddy | 49 | Wife | — | California |
| 22 | George Liddy | 27 | Son | Helper | New Jersey |
| 23 | Annie Liddy | 20 | Daughter | Clerk | New Jersey |
| 24 | Rose Liddy | 16 | Daughter | — | New Jersey |
| 25 | Albert Liddy | 13 | Son | Ship Builder | New Jersey |
| 26 | Louise Liddy | 11 | Daughter | — | New Jersey |
| 27 | Peter Kozlowski | 50 | Head | Laborer | Poland |
| 28 | Mary Kozlowski | 56 | Wife | — | Poland |
| 29 | Emil Poule | 44 | Head | Dry Hammerer | New York |
| 30 | Grace Poule | 40 | Wife | — | New York |
| 31 | William Donald | 28 | Head | Machinist | New Jersey |
| 32 | Gertrude Donald | 24 | Wife | — | New Jersey |
| 33 | George Donald | 8 | Son | — | New Jersey |
| 34 | Mary Donald | 6 | Daughter | — | New Jersey |
| 35 | Stephen Maher | 47 | Head | Boilermaker | Ireland |
| 36 | Hannah Maher | 37 | Wife | — | Ireland |
| 37 | Mary Maher THIS PERSON | 13 | Daughter | — | New Jersey |
| 38 | Margaret Maher | 11 | Daughter | — | New Jersey |
| 39 | Helen Maher | 9 | Daughter | — | New Jersey |
| 40 | Anna Maher | 7 | Daughter | — | New Jersey |
| 41 | Thomas Maher | 4 | Son | — | New Jersey |
| 42 | Alfred Shepherd | 58 | Head | Helper | England |
| 43 | Sarah Shepherd | 58 | Wife | — | England |
| 44 | Anna Shepherd | 26 | Daughter | Rubber Worker | New Jersey |
| 45 | William Shepherd | 20 | Son | Rubber Worker | New Jersey |
| 46 | William Ruth | 56 | Head | Stable Boss | Pennsylvania |
| 47 | Gertrude Ruth | 45 | Wife | — | England |
| 48 | Milford Ruth | 6 | Son | — | New Jersey |
| 49 | Louis Bangerter | 42 | Head | Rubber Worker | Germany |
| 50 | Lottie Bangerter | 22 | Daughter | Rubber Worker | New Jersey |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)