MD
Mary Donnelly — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Essex, New Jersey
Our Model Tree links this Mary Donnelly across the 1900, 1910 and 1920 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1871), then head of a 7-person household.
Age 49
b. ~1871
Female
Spouse
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, New Jersey |
| Surname | Donnelly |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1895 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Year of Naturalization | 1895 |
| Birthplace (normalized) | ireland |
| Township / Ward | Newark |
| Est. Birth Year | ~1871 |
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 |
|---|---|---|---|---|
| Jennie Donnelly | Daughter | — | 21 | ~1899 |
| Mamie Donnelly | Daughter | — | 19 | ~1901 |
| John Donnelly | Head | — | 63 | ~1857 |
| Joseph Donnelly | Son | — | 10 | ~1910 |
| Charles Donnelly | Son | — | 16 | ~1904 |
| William Donnelly | Son | — | 12 | ~1908 |
| Mary Donnelly | Spouse | — | 49 | ~1871 |
Census Appearances
1900
Essex, New …
Spouse, age 25
Essex, New Jersey · implied b. ~1875 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Danelly |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Mar |
| Birth Year | 1875 |
| Year of Immigration | 1894 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Essex, New …
Spouse, age 38
Essex, New Jersey · implied b. ~1872 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 18 |
| Children Born | 7 |
| Children Living | 7 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Essex, New …
Spouse, age 49
Essex, New Jersey · implied b. ~1871 — 7 household members
| Surname | Donnelly |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1895 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Year of Naturalization | 1895 |
| Birthplace (normalized) | ireland |
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 Donnelly across 3 US Census years (1900, 1910 and 1920) in Essex, New Jersey, using XGBoost record linkage.
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This person
Anchor record
Mary Donnelly
Spouse · 1920 · age 49 · b. ~1871 · New Jersey
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Essex, New Jersey
Open full size
1920 US Federal Census — Essex, New Jersey
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1037unit:0884)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Morris Irving | 35 | Wife | — | Pennsylvania |
| 2 | Michael Liddy | 49 | Head | Repair Man | Ireland |
| 3 | Anna Liddy | 49 | Wife | — | Ireland |
| 4 | Peter Liddy | 16 | Son | Cutter | New Jersey |
| 5 | Thomas Liddy | 15 | Son | Mechanic | New Jersey |
| 6 | John Liddy | 13 | Son | — | New Jersey |
| 7 | Max Gators | 52 | Head | Machinist | New York |
| 8 | Susan Gators | 46 | Wife | — | New York |
| 9 | Mary Jr. Gators | 27 | Son | Machinist | New York |
| 10 | Agnes Barton | 36 | Boarder | Inspector | New Jersey |
| 11 | Sam Philips | 49 | Head | Laborer | Virginia |
| 12 | James Philips | 30 | Son | Laborer | Virginia |
| 13 | Eddie Philips | 30 | Daughter-in-law | — | Virginia |
| 14 | Roy Philips | 4 | Grandson | — | New Jersey |
| 15 | Eunice Philips | 3 | Granddaughter | — | New Jersey |
| 16 | Catherine Philips | 0 | Granddaughter | — | New Jersey |
| 17 | Mary King | 37 | Head | — | Missouri |
| 18 | David King | 19 | Son | Chauffeur | New Jersey |
| 19 | Viola King | 15 | Daughter | — | New Jersey |
| 20 | George King | 17 | Son | — | New Jersey |
| 21 | Elsa King | 10 | Daughter | — | New Jersey |
| 22 | Kermit King | 8 | Son | — | New Jersey |
| 23 | Chester King | 6 | Son | — | New Jersey |
| 24 | De Witt King | 4 | Son | — | New Jersey |
| 25 | Thelma Wadwell | 5 | Granddaughter | — | Massachusetts |
| 26 | William Mitchell | 28 | Cousin | Chauffeur | Missouri |
| 27 | Charles Wadwell | 27 | Son-in-law | Chauffeur | Missouri |
| 28 | Michael Napoliello | 50 | Head | Tailor | Italy |
| 29 | Mary Napoliello | 46 | Wife | — | Italy |
| 30 | Ray Napoliello | 19 | Son | Packer | New Jersey |
| 31 | Alessio Napoliello | 15 | Son | — | New Jersey |
| 32 | Frank Napoliello | 13 | Son | — | New Jersey |
| 33 | Eleanor Napoliello | 11 | Daughter | — | New Jersey |
| 34 | Harry Napoliello | 7 | Son | — | New Jersey |
| 35 | Elsie Napoliello | 4 | Daughter | — | New Jersey |
| 36 | Ida Napoliello | 2 | Daughter | — | New Jersey |
| 37 | Leonard Rizzolo | 28 | Head | Tailor | Italy |
| 38 | Mary Rizzolo | 22 | Wife | — | New Jersey |
| 39 | Sylvia Rizzolo | 1 | Son | — | New Jersey |
| 40 | Francis Walsh | 50 | Head | Sextant | Ireland |
| 41 | Mary Walsh | 50 | Wife | — | New Jersey |
| 42 | John Donnelly | 63 | Head | Painter | Massachusetts |
| 43 | Mary Donnelly THIS PERSON | 49 | Wife | — | Ireland |
| 44 | Jennie Donnelly | 21 | Daughter | Twister | New York |
| 45 | Mamie Donnelly | 19 | Daughter | Twister | New York |
| 46 | Charles Donnelly | 16 | Son | Leather Worker | New York |
| 47 | William Donnelly | 12 | Son | — | New York |
| 48 | Joseph Donnelly | 10 | Son | — | New Jersey |
| 49 | Thomas Furey | 27 | Head | Machinist | Ireland |
| 50 | Margaret Furey | 27 | Wife | — | Ireland |
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)