MD
Mary Donnelly — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Hudson, New Jersey
Our Model Tree links this Mary Donnelly across the 1910 and 1920 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1907), then head of a 10-person household.
Age 13
b. ~1907
Female
Daughter
Born: New Jersey
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Hudson, New Jersey |
| Surname | Donnelly |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | England |
| Mother's Birthplace | Germany |
| 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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Wallum | Daughter | — | 1 | ~1919 |
| Mary Donnelly | Daughter | — | 13 | ~1907 |
| Liney Donnelly | Daughter | — | 18 | ~1902 |
| Joseph Wallum | Head | — | 23 | ~1897 |
| Josephine Donnelly | Other | — | 49 | ~1871 |
| Paul Donnelly | Son | — | 28 | ~1892 |
| Thomas Donnelly | Son | — | 24 | ~1896 |
| Charles Donnelly | Son | — | 10 | ~1910 |
| John Donnelly | Son | — | 12 | ~1908 |
| Christina Wallum | Spouse | — | 23 | ~1897 |
Census Appearances
1910
Hudson, New …
Daughter, age 4
Hudson, New Jersey · implied b. ~1906 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | England |
| Mother's Birthplace | Germany |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Hudson, New …
Daughter, age 13
Hudson, New Jersey · implied b. ~1907 — 10 household members
| Surname | Donnelly |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | England |
| Mother's Birthplace | Germany |
| 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 Donnelly across 2 US Census years (1910 and 1920) in Hudson, New Jersey, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Donnelly
Daughter · 1920 · age 13 · b. ~1907 · New Jersey
★ You are viewing this record
Sibling
Liney Donnelly
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Donnelly
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Wallum
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Donnelly
Sibling · 1920 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Donnelly
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Donnelly
Sibling · 1920 · age 28
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:1920:14thcensusofpopu1048unit:0093)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Mcinerney | 8 | Son | — | New Jersey |
| 52 | Charles Mcinerney | 6 | Son | — | New Jersey |
| 53 | John Hutter | 50 | Head | Sculptor | Austria |
| 54 | Leopoldina Hutter | 38 | Wife | — | Austria |
| 55 | John Hutter | 26 | Son | Salesman | New York |
| 56 | Anna Hutter | 24 | Daughter | Stenographer | New York |
| 57 | Frank Hutter | 21 | Son | Sculptor | New York |
| 58 | Russell Hughes | 32 | Head | Accountant | New Jersey |
| 59 | Emma Hughes | 29 | Wife | — | New Jersey |
| 60 | Carl Widman | 26 | Head | Contractor | New York |
| 61 | Hattie Widman | 26 | Wife | — | New York |
| 62 | Adele Widman | 4 | Daughter | — | New Jersey |
| 63 | Dorothy Widman | 2 | Daughter | — | New Jersey |
| 64 | Carl Widman | 52 | Head | Cabinet Maker | Sweden |
| 65 | Hilda Widman | 50 | Wife | — | Sweden |
| 66 | Joel Widman | 23 | Son | Floorwalker | New Jersey |
| 67 | Hilda Widman | 25 | Daughter | Receptionist | New York |
| 68 | Selma Widman | 21 | Daughter | Dressmaker | New Jersey |
| 69 | Oscar Widman | 18 | Son | Salesman | New York |
| 70 | Harry Widman | 15 | Son | — | New Jersey |
| 71 | Arthur Widman | 7 | Son | — | New Jersey |
| 72 | Thomas Cluff | 84 | Head | — | Ireland |
| 73 | Margaret Cluff | 78 | Wife | — | Ireland |
| 74 | Annie Cluff | 40 | Daughter | Saleslady | New Jersey |
| 75 | William Flynn | 16 | Grandson | Errand Boy | New Jersey |
| 76 | Robert B. Thomas | 39 | Head | Traveling Salesman | Scotland |
| 77 | Florence Thomas | 39 | Wife | — | England |
| 78 | Robert B. Jr. Thomas | 13 | Son | — | New Jersey |
| 79 | Randolph Thomas | 11 | Son | — | New Jersey |
| 80 | Albert Poetz | 32 | Head | Coffee Roaster | New Jersey |
| 81 | Barbara Poetz | 30 | Wife | — | New Jersey |
| 82 | Frank Poetz | 7 | Son | — | New Jersey |
| 83 | Philip Block | 5 | Half-brother | — | New Jersey |
| 84 | Joseph Wallum | 23 | Head | Feeder | New York |
| 85 | Christina Wallum | 23 | Wife | — | New York |
| 86 | Helen Wallum | 1 | Daughter | — | New York |
| 87 | Josephine Donnelly | 49 | — | — | Germany |
| 88 | Paul Donnelly | 28 | Son | Cutter | New York |
| 89 | Thomas Donnelly | 24 | Son | Electrician | New Jersey |
| 90 | Liney Donnelly | 18 | Daughter | Typist | New Jersey |
| 91 | Mary Donnelly THIS PERSON | 13 | Daughter | — | New Jersey |
| 92 | John Donnelly | 12 | Son | — | New Jersey |
| 93 | Charles Donnelly | 10 | Son | — | New Jersey |
| 94 | John Mcintyre | 33 | Head | Brass Finisher | Scotland |
| 95 | Christina Mcintyre | 36 | Wife | — | Scotland |
| 96 | William Benjamin | 50 | Head | Carpenter | New Jersey |
| 97 | Emilie Benjamin | 45 | Wife | — | New Jersey |
| 98 | Clara Donald | 28 | Niece | Floorwalker | New Jersey |
| 99 | Melvin Benjamin | 11 | Son | — | New Jersey |
| 100 | James Lynch | 66 | Head | — | New Jersey |
Related Census Records
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)