MH
Mary Hennessey — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Mary Hennessey across the 1900 and 1910 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1892), then head of a 6-person household.
Age 18
b. ~1892
Female
Daughter
Born: Rhode Island
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Essex, Massachusetts |
| Surname | Hennessey |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Spooler |
| Industry | Woolen Mill |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Spooler |
| Township / Ward | Lawrence Massachusetts |
| Est. Birth Year | ~1892 |
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.
6 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Hennessey | Daughter | — | 18 | ~1892 |
| Esther Hennessey | Daughter | — | 14 | ~1896 |
| Gertrude Hennessey | Daughter | — | 11 | ~1899 |
| Michael Hennessey | Head | — | 42 | ~1868 |
| Katherine Hennessey | Daughter | — | 16 | ~1894 |
| Anna Hennessey | Spouse | — | 42 | ~1868 |
Census Appearances
1900
Essex, Massachusetts
Daughter, age 8
Essex, Massachusetts · implied b. ~1892 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hennesy |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Birth Month | Feb |
| Birth Year | 1892 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland |
| Occupation | At school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1910
Essex, Massachusetts
Daughter, age 18
Essex, Massachusetts · implied b. ~1892 — 6 household members
| Surname | Hennessey |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland |
| Occupation | Spooler |
| Industry | Woolen Mill |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Hennessey across 2 US Census years (1900 and 1910) in Essex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hennessey
Daughter · 1910 · age 18 · b. ~1892 · Massachusetts
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Sibling
Esther Hennessey
Sibling · 1910 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Hennessey
Sibling · 1910 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Hennessey
Sibling · 1910 · age 16
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 — Essex, Massachusetts
Open full size
1910 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po583unit:0424)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Hugh Mulvey | 40 | Head | Laundry | Ireland |
| 52 | Anna Mulvey | 44 | Wife | — | Ireland |
| 53 | Frank J Mulvey | 19 | Son | Collector | Massachusetts |
| 54 | Joseph Mulvey | 14 | Son | — | Massachusetts |
| 55 | Mary Mulvey | 11 | Daughter | — | Massachusetts |
| 56 | James E Mulvey | 8 | Son | — | Massachusetts |
| 57 | Marion Mulvey | 2 | Niece | — | Massachusetts |
| 58 | James D Baker | 52 | Head | Plaster | Canada |
| 59 | Anna Baker | 42 | Wife | — | Canada |
| 60 | Francis Baker | 22 | Daughter | Saleslady | Canada |
| 61 | Vera T Baker | 21 | Daughter | Saleslady | Canada |
| 62 | Edna R Baker | 16 | Daughter | — | Canada |
| 63 | Walter Baker | 10 | Son | — | Massachusetts |
| 64 | Everett W Baker | 6 | Son | — | Massachusetts |
| 65 | Michael F Hennessey | 42 | Head | Dresser Tender | Massachusetts |
| 66 | Anna Hennessey | 42 | Wife | — | Ireland |
| 67 | Mary A Hennessey THIS PERSON | 18 | Daughter | Spooler | Rhode Island |
| 68 | Katherine G Hennessey | 16 | Daughter | Handing In | Rhode Island |
| 69 | Esther V Hennessey | 14 | Daughter | — | Massachusetts |
| 70 | Gertrude Hennessey | 11 | Daughter | — | Massachusetts |
| 71 | John G Welch | 34 | Head | Laborer | England |
| 72 | Mary Welch | 33 | Wife | — | England |
| 73 | James Welch | 4 | Son | — | Massachusetts |
| 74 | Catherine Welch | 2 | Daughter | — | Massachusetts |
| 75 | Winifred Sexton | 67 | Head | — | Ireland |
| 76 | Charles Sexton | 38 | Son | Buckle Plater | Massachusetts |
| 77 | George C Becker | 38 | Head | Concrete | Vermont |
| 78 | Amelia Becker | 34 | Wife | — | New York |
| 79 | Mary A Becker | 14 | Daughter | Milliner | Massachusetts |
| 80 | Alice A Becker | 12 | Daughter | — | Massachusetts |
| 81 | Josephine Becker | 10 | Daughter | — | Massachusetts |
| 82 | George Becker | 7 | Son | — | Massachusetts |
| 83 | William Keaton | 37 | Head | Bricklayer | Massachusetts |
| 84 | Nellie Keaton | 36 | Wife | — | Ireland |
| 85 | William Keaton | 12 | Son | — | Massachusetts |
| 86 | Margaret Keaton | 10 | Daughter | — | Massachusetts |
| 87 | Florence Keaton | 8 | Daughter | — | Massachusetts |
| 88 | Robert Keaton | 5 | Son | — | Massachusetts |
| 89 | John Keaton | 3 | Son | — | Massachusetts |
| 90 | Walter B Keaton | 1 | Son | — | Massachusetts |
| 91 | Margaret Majork | 25 | Sister-in-law | Mender | England |
| 92 | John J Bunting | 35 | Head | Pressman | Massachusetts |
| 93 | Emma Bunting | 34 | Wife | — | Massachusetts |
| 94 | Frank T Bunting | 9 | Son | — | Massachusetts |
| 95 | Florence M Bunting | 8 | Daughter | — | Massachusetts |
| 96 | Fred J Grassmann | 74 | Head | Salesman | Massachusetts |
| 97 | Louisa M Grassmann | 80 | Wife | Dressmaker | Massachusetts |
| 98 | John J Callahan | 30 | Head | Engineer | Ireland |
| 99 | Margaret Callahan | 28 | Wife | — | Ireland |
| 100 | Edward P Callahan | 6 | Son | — | 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)