MD
Mary Donnelly — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Worcester, Massachusetts
Our Model Tree links this Mary Donnelly across the 1910 and 1920 US Censuses in Worcester, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1900), then head of a 8-person household.
Age 10
b. ~1900
Female
Daughter
Born: Massachusetts
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Worcester, Massachusetts |
| Surname | Donnelly |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Worcester Part Of |
| Est. Birth Year | ~1900 |
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.
8 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Donnelly | Daughter | — | 5 | ~1905 |
| Catherine Donnelly | Daughter | — | 13 | ~1897 |
| Mary Donnelly | Daughter | — | 10 | ~1900 |
| Ruth Donnelly | Daughter | — | 1 | ~1909 |
| John Donnelly | Head | — | 44 | ~1866 |
| Walter Donnelly | Son | — | 12 | ~1898 |
| Raymond Donnelly | Son | — | 7 | ~1903 |
| Mary Donnelly | Spouse | — | 31 | ~1879 |
Census Appearances
1910
Worcester, Massachusetts
Daughter, age 10
Worcester, Massachusetts · implied b. ~1900 — 8 household members
| Surname | Donnelly |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Worcester, Massachusetts
Daughter, age 20
Worcester, Massachusetts · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | clerk |
| Industry | dept store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Worcester, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Donnelly
Daughter · 1910 · age 10 · b. ~1900 · Massachusetts
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Sibling
Ruth Donnelly
Sibling · 1910 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Donnelly
Sibling · 1910 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Donnelly
Sibling · 1910 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Donnelly
Sibling · 1910 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Donnelly
Sibling · 1910 · age 5
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
1910 US Federal Census — Worcester, Massachusetts
Open full size
1910 US Federal Census — Worcester, Massachusetts
Page Contents
46 people indexed on this census page (ia:1910:13thcensus1910po632unit:0917)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 55 | Benjamin S. Tatchwell | 22 | Head | Wood Carver | Massachusetts |
| 56 | Cora L. Tatchwell | 21 | Wife | — | Connecticut |
| 57 | Edward S. Tatchwell | 2 | Son | — | Massachusetts |
| 58 | Ruth Tatchwell | 0 | Daughter | — | Massachusetts |
| 59 | Robert Nott | 34 | Head | Machinist | England |
| 60 | Ellen F. Nott | 31 | Wife | — | Massachusetts |
| 61 | Richard J. Johnson | 37 | Head | Machinist | Sweden |
| 62 | Augusta M. Johnson | 47 | Wife | — | Sweden |
| 63 | Erick A. Johnson | 23 | Son | Bookkeeper | Sweden |
| 64 | Hugo F. Johnson | 17 | Son | — | Massachusetts |
| 65 | William A. Mcloughlin | 27 | Head | Electrician | Massachusetts |
| 66 | Anna J. Mcloughlin | 22 | Wife | — | Massachusetts |
| 67 | John J. Donnelly | 44 | Head | Machinist | Massachusetts |
| 68 | Mary Donnelly | 31 | Wife | — | Massachusetts |
| 69 | Catherine Donnelly | 13 | Daughter | — | Massachusetts |
| 70 | Walter Donnelly | 12 | Son | — | Massachusetts |
| 71 | Mary Donnelly THIS PERSON | 10 | Daughter | — | Massachusetts |
| 72 | Raymond Donnelly | 7 | Son | — | Massachusetts |
| 73 | Dorothy Donnelly | 5 | Daughter | — | Massachusetts |
| 74 | Ruth Donnelly | 1 | Daughter | — | Massachusetts |
| 75 | Emma C. Eks | 51 | Head | — | Sweden |
| 76 | Ray Eks | 21 | Son | Clerk | Massachusetts |
| 77 | William C. Eks | 12 | Son | — | Massachusetts |
| 78 | Charlotte Swanson | 53 | Head | — | Sweden |
| 79 | Olga Swanson | 23 | Daughter | Book Binder | Massachusetts |
| 80 | Emil G. Swanson | 21 | Son | Salesman | Massachusetts |
| 81 | Emma Swanson | 19 | Daughter | Machine Hand | Massachusetts |
| 82 | Arthur Swanson | 16 | Son | Machine Hand | Massachusetts |
| 83 | Mildred Swanson | 11 | Daughter | — | Massachusetts |
| 84 | George A. Carpenter | 61 | Head | — | Massachusetts |
| 85 | Susan Carpenter | 63 | Wife | — | England |
| 86 | Henry C. Hutchinson | 33 | Head | Conductor | Massachusetts |
| 87 | Susan Hutchinson | 27 | Wife | — | Massachusetts |
| 88 | Theodore Sandstat | 39 | Head | Machinist | Sweden |
| 89 | Adelmena Sandstat | 36 | Wife | — | Sweden |
| 90 | Rudolph Sandstat | 5 | Son | — | Massachusetts |
| 91 | Evelyn Sandstat | 2 | Daughter | — | Massachusetts |
| 92 | John A. Backman | 42 | Head | Machinist | Sweden |
| 93 | Anna Backman | 43 | Wife | — | Sweden |
| 94 | Edith Backman | 15 | Daughter | Case Maker | Massachusetts |
| 95 | Ethel Backman | 13 | Daughter | — | Massachusetts |
| 96 | John Backman | 11 | Son | — | Massachusetts |
| 97 | Harold Backman | 3 | Son | — | Massachusetts |
| 98 | John W. Lundstrom | 37 | Head | Machinist | Sweden |
| 99 | Amanda Lundstrom | 41 | Wife | — | Sweden |
| 100 | Lillian V. Lundstrom | 10 | Daughter | Case Maker | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)