WC
William Cassidy — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this William Cassidy across the 1900 and 1910 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1869), then head of a 6-person household.
Age 41
b. ~1869
Male
Head
Born: Ireland
Married
1910 Census Record Details
| Census Year | 1910 |
| Location | Middlesex, Massachusetts |
| Surname | Cassidy |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 14 |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Tannery |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Laborer |
| Township / Ward | Woburn City |
| Est. Birth Year | ~1869 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Ellen Cassidy | Spouse | — | 45 | ~1865 |
| Catherine Cassidy | Daughter | — | 11 | ~1899 |
| Patrick Cassidy | Son | — | 13 | ~1897 |
| William Cassidy | Head | — | 41 | ~1869 |
| Ellen Cassidy | Daughter | — | 6 | ~1904 |
| Elizabeth Doherty | Other | — | 20 | ~1890 |
Census Appearances
1900
Suffolk, Massachusetts
Head, age 30
Suffolk, Massachusetts · implied b. ~1870 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cassidy |
| Given Name | Wm F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Mar |
| Birth Year | 1870 |
| Year of Immigration | 1879 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Policeman |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Middlesex, Massachusetts
Head, age 41
Middlesex, Massachusetts · implied b. ~1869 — 6 household members
| Surname | Cassidy |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 14 |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Tannery |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| 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 William Cassidy across 2 US Census years (1900 and 1910) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Cassidy
Head · 1910 · age 41 · b. ~1869 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1910 US Federal Census — Middlesex, Massachusetts
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1910 US Federal Census — Middlesex, Massachusetts
Page Contents
51 people indexed on this census page (ia:1910:13thcensus1910po607unit:0455)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Katherine Burns | 34 | Wife | — | Massachusetts |
| 52 | Mary Fisherty | 59 | Mother-in-law | — | Ireland |
| 53 | Mary E | 20 | Daughter-in-law | Saleslady | Massachusetts |
| 54 | Thomas | 23 | Brother-in-law | Laborer | Massachusetts |
| 55 | Patrick Foley | 33 | Head | Laborer | Ireland |
| 56 | Sarah Foley | 34 | Wife | — | Ireland |
| 57 | Thomas Foley | 26 | Brother | Laborer | Ireland |
| 58 | Timothy Foley | 6 | Son | — | Massachusetts |
| 59 | Joseph Foley | 4 | Son | — | Massachusetts |
| 60 | Bartholomew Foley | 29 | Head | Laborer | Ireland |
| 61 | Sarah Foley | 29 | Wife | — | Ireland |
| 62 | Sarah Foley | 7 | Daughter | — | Massachusetts |
| 63 | Mary J Foley | 5 | Daughter | — | Massachusetts |
| 64 | John Connolly | 21 | Lodger | Laborer | Ireland |
| 65 | Patrick Thompson | 47 | Head | Laborer | Canada |
| 66 | Annie Thompson | 41 | Wife | — | Massachusetts |
| 67 | Mary J Thompson | 21 | Son | Clerk | Massachusetts |
| 68 | Francis Thompson | 18 | Son | Laborer | Massachusetts |
| 69 | Leo Thompson | 14 | Son | — | Massachusetts |
| 70 | William Thompson | 12 | Son | — | Massachusetts |
| 71 | Cecil Thompson | 9 | Daughter | — | Massachusetts |
| 72 | Bernard Sherry | 47 | Head | Laborer | Ireland |
| 73 | John Sherry | 32 | Brother | Carpenter | Ireland |
| 74 | Mary Sherry | 18 | Daughter | — | Massachusetts |
| 75 | Michael Sherry | 15 | Son | Laborer | Massachusetts |
| 76 | Catherine Sherry | 11 | Daughter | — | Massachusetts |
| 77 | Bernard Sherry | 7 | Son | — | Massachusetts |
| 78 | Frederick Hammewell | 59 | Head | — | Massachusetts |
| 79 | Mary Hammewell | 60 | Wife | — | Ireland |
| 80 | Charles Hammewell | 25 | Son | Laborer | Massachusetts |
| 81 | Marietta Hammewell | 24 | Daughter | Typewriter | Massachusetts |
| 82 | Ellen Riley | 50 | Head | — | Ireland |
| 83 | Arthur Riley | 20 | Son | Laborer | Massachusetts |
| 84 | Josephine Riley | 16 | Daughter | Stitcher | Massachusetts |
| 85 | John J Riley | 15 | Son | Laborer | Massachusetts |
| 86 | Charles H Riley | 11 | Son | — | Massachusetts |
| 87 | Hanna S Johnson | 36 | Head | Salesman | Massachusetts |
| 88 | Alice Johnson | 27 | Wife | — | Massachusetts |
| 89 | Harold Johnson | 1 | Son | — | Massachusetts |
| 90 | Mary Burns | 66 | Mother-in-law | — | Massachusetts |
| 91 | Mary | 19 | Sister-in-law | — | Massachusetts |
| 92 | William Cassidy THIS PERSON | 41 | Head | Laborer | Ireland |
| 93 | Ellen Cassidy | 45 | Wife | — | Ireland |
| 94 | Patrick Cassidy | 13 | Son | — | Massachusetts |
| 95 | Catherine Cassidy | 11 | Daughter | — | Massachusetts |
| 96 | Ellen Cassidy | 6 | Daughter | — | Massachusetts |
| 97 | Elizabeth Doherty | 20 | Daughter-in-law | Stitcher | Massachusetts |
| 98 | Patrick Fleming | 32 | Head | Laborer | Ireland |
| 99 | Alice Fleming | 37 | Wife | — | Ireland |
| 100 | Peter J Fleming | 9 | Son | — | Massachusetts |
| 101 | Alice M Fleming | 6 | Daughter | — | 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)