JH
John Healey — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Worcester, Massachusetts
Our Model Tree links this John Healey across the 1900, 1910 and 1920 US Censuses in Worcester, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1849), then head of a 7-person household.
Age 51
b. ~1849
Male
Head
Born: Ireland
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | Worcester, Massachusetts |
| Surname | Healey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Year | 1849 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Blackstone Town |
| Est. Birth Year | ~1849 |
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 1900 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Andrew Healey | Son | — | 29 | ~1871 |
| John Healey | Son | — | 26 | ~1874 |
| Agnes Healey | Daughter | — | 24 | ~1876 |
| Mary Healey | Spouse | — | 56 | ~1844 |
| Mary Healey | Daughter | — | 25 | ~1875 |
| John Healey | Head | — | 51 | ~1849 |
| Catherine Healey | Daughter | — | 27 | ~1873 |
Census Appearances
1900
Worcester, Massachusetts
Head, age 51
Worcester, Massachusetts · implied b. ~1849 — 7 household members
| Surname | Healey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Year | 1849 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Worcester, Massachusetts
Head, age 61
Worcester, Massachusetts · implied b. ~1849
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Healy |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 33 |
| Year of Immigration | 1866 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Worcester, Massachusetts
Other, age 72
Worcester, Massachusetts · implied b. ~1848 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Healey |
| Given Name | John |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| 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 John Healey across 3 US Census years (1900, 1910 and 1920) in Worcester, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
John Healey
Head · 1900 · age 51 · b. ~1849 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1900 US Federal Census — Worcester, Massachusetts
Open full size
1900 US Federal Census — Worcester, Massachusetts
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu690unit:0715)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John W. Smith | 28 | Head | Bakery Proprietor | Massachusetts |
| 52 | Etta Smith | 28 | Wife | — | Massachusetts |
| 53 | Mary M. Smith | 3 | Daughter | — | Massachusetts |
| 54 | Gedeon Thibodeau | 54 | Head | — | Canada (Fr) |
| 55 | Celeste Thibodeau | 54 | Wife | — | Canada (Fr) |
| 56 | Frederick Thibodeau | 19 | Son | Woolen Finisher | Vermont |
| 57 | Clara Thibodeau | 17 | Daughter | — | Vermont |
| 58 | Winifred Thibodeau | 16 | Daughter | Woolen Spooler | Massachusetts |
| 59 | Charles Thibodeau | 12 | Son | At School | Massachusetts |
| 60 | John Thibodeau | 11 | Son | At School | Rhode Island |
| 61 | John Healey THIS PERSON | 50 | Head | — | Ireland |
| 62 | Mary Healey | 55 | Wife | — | Ireland |
| 63 | Catherine Healey | 27 | Daughter | Woolen Weaver | Massachusetts |
| 64 | Mary A. Healey | 25 | Daughter | Woolen Weaver | Massachusetts |
| 65 | Andrew Healey | 28 | Son | Day Laborer | Massachusetts |
| 66 | John Healey | 26 | Son | Woolen Weaver | Rhode Island |
| 67 | Agnes Healey | 23 | Daughter | Woolen Spooler | Rhode Island |
| 68 | Michael Carlin | 60 | Head | Day Laborer | Ireland |
| 69 | Ann Carlin | 60 | Wife | — | Ireland |
| 70 | Bernard Carlin | 34 | Son | Woolen Weaver | Massachusetts |
| 71 | Michael Carlin | 32 | Son | Woolen Weaver | Rhode Island |
| 72 | Teresa Carlin | 24 | Daughter | Woolen Weaver | Massachusetts |
| 73 | Timothy Prior | 40 | Head | Woolen Weaver | Massachusetts |
| 74 | Alice Prior | 35 | Wife | — | Massachusetts |
| 75 | Annie Prior | 11 | Daughter | At School | Massachusetts |
| 76 | Mary Prior | 9 | Daughter | — | Massachusetts |
| 77 | Teresa Prior | 5 | Daughter | — | Massachusetts |
| 78 | Catherine Brady | 30 | Boarder | Woolen Weaver | Ireland |
| 79 | Patrick Clark | 36 | Head | Locomotive Fireman | Ireland |
| 80 | Mary A. Clark | 38 | Wife | — | Massachusetts |
| 81 | Mary Clark | 9 | Daughter | — | Massachusetts |
| 82 | James D. Clark | 7 | Son | — | Massachusetts |
| 83 | John H. Clark | 25 | Brother | Day Laborer | Ireland |
| 84 | William Mortimer | 36 | Head | — | England |
| 85 | Elizabeth Mortimer | 35 | Wife | — | England |
| 86 | Sarah A. Mortimer | 15 | Daughter | Woolen Spooler | Rhode Island |
| 87 | Georgiella Mortimer | 13 | Daughter | Woolen Mender | Rhode Island |
| 88 | Gertrude E. Mortimer | 11 | Daughter | — | Rhode Island |
| 89 | William Lord | 46 | Head | Woolen Dresser Tender | England |
| 90 | Evaline E. Lord | 49 | Wife | — | Maine |
| 91 | Sarah E. Lord | 24 | Daughter | Woolen Weaver | Maine |
| 92 | Ann Mcgann | 60 | Head | — | Ireland |
| 93 | William Mcgann | 28 | Son | Woolen Weaver | Massachusetts |
| 94 | Thomas Mcgann | 24 | Son | Woolen Weaver | Massachusetts |
| 95 | John Powers | 35 | Head | Painter | Rhode Island |
| 96 | Mary Powers | 34 | Wife | — | Massachusetts |
| 97 | Mary Powers | 13 | Daughter | Woolen Operative | Rhode Island |
| 98 | Margaret Powers | 12 | Daughter | At School | Massachusetts |
| 99 | Catherine Powers | 11 | Daughter | At School | Massachusetts |
| 100 | Bridget Powers | 8 | Daughter | — | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)