JC
James Cassidy — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this James Cassidy across the 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1900), then head of a 13-person household.
Age 20
b. ~1900
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Cassidy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Painter |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Painter |
| Township / Ward | Lowell City |
| 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.
13 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcgrath | Other | — | 45 | ~1875 |
| Francis Cassidy | Son | — | 6 | ~1914 |
| Susan Cassidy | Daughter | — | 12 | ~1908 |
| Catherine Tedley | Other | — | 72 | ~1848 |
| Jeanie Cassidy | Daughter | — | 17 | ~1903 |
| John Cassidy | Son | — | 8 | ~1912 |
| Isabelle Cassidy | Daughter | — | 3 | ~1917 |
| James Cassidy | Son | — | 20 | ~1900 |
| Joseph Cassidy | Head | — | 48 | ~1872 |
| Josephine Cassidy | Daughter | — | 10 | ~1910 |
| Mary Cassidy | Daughter | — | 19 | ~1901 |
| Susan Cassidy | Spouse | — | 45 | ~1875 |
| William Mctaggert | Other | — | 35 | ~1885 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 11
Middlesex, Massachusetts · implied b. ~1899 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cassidy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 20
Middlesex, Massachusetts · implied b. ~1900 — 13 household members
| Surname | Cassidy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Painter |
| Industry | Machine Shop |
| 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 James Cassidy across 2 US Census years (1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
James Cassidy
Son · 1920 · age 20 · b. ~1900 · Massachusetts
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Sibling
Mary Cassidy
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Cassidy
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabelle Cassidy
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Susan Cassidy
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Cassidy
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanie Cassidy
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Cassidy
Sibling · 1920 · age 8
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 — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu712unit:0771)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William T Mccartin | 5 | Son | — | Massachusetts |
| 52 | James A Mccartin | 3 | Son | — | Massachusetts |
| 53 | Mary A Mccartin | 2 | Daughter | — | Massachusetts |
| 54 | Annie Mccartin | 1 | Daughter | — | Massachusetts |
| 55 | Joseph E Mccartin | 0 | Son | — | Massachusetts |
| 56 | Alonzo E Irish | 45 | Head | Electrician | Canada |
| 57 | Louisa Irish | 42 | Wife | — | Massachusetts |
| 58 | Paul F Irish | 16 | Son | Repairer'S Helper | New Hampshire |
| 59 | Patrick Kennedy | 60 | Head | Weaver | Ireland |
| 60 | Mary Kennedy | 60 | Wife | Weaver | Ireland |
| 61 | Elizabeth Kennedy | 20 | Daughter | Stenographer | Massachusetts |
| 62 | Clarence Weston | 33 | Head | Auto Truck Driver | Massachusetts |
| 63 | Agnes Weston | 31 | Wife | — | Massachusetts |
| 64 | Barbara Weston | 3 | Daughter | — | New Hampshire |
| 65 | Frank O'Keefe | 38 | Roomer | Tailoring Clerk | Massachusetts |
| 66 | George Sanderson | 47 | Head | Belt Maker | Connecticut |
| 67 | Alberda M Sanderson | 35 | Wife | — | Massachusetts |
| 68 | Eugene Lavigne | 52 | Roomer | Helper | Canada |
| 69 | Maria V Lennon | 74 | Head | — | Massachusetts |
| 70 | Benjamin Ashworth | 34 | Head | Line Foreman | Massachusetts |
| 71 | Alice G Ashworth | 29 | Wife | — | New Hampshire |
| 72 | James Ashworth | 68 | Father | — | England |
| 73 | Thomas P Hall | 79 | Head | Retired | Canada |
| 74 | Lizzie A Hall | 67 | Wife | — | Massachusetts |
| 75 | Alice Adams | 46 | Head | Weaver | Canada |
| 76 | Margaret Hartnett | 40 | Servant | Servant | Ireland |
| 77 | Robert Booth | 36 | Roomer | Beamer | England |
| 78 | Joseph Cassidy | 48 | Head | Street Railway | English |
| 79 | Susan Cassidy | 45 | Wife | — | English |
| 80 | James Cassidy THIS PERSON | 20 | Son | Painter | Massachusetts |
| 81 | Mary Cassidy | 19 | Daughter | Bookkeeper | Massachusetts |
| 82 | Jeanie Cassidy | 17 | Daughter | Cotton Mill | English |
| 83 | Susan Cassidy | 12 | Daughter | — | Massachusetts |
| 84 | Josephine Cassidy | 10 | Daughter | — | Massachusetts |
| 85 | John Cassidy | 8 | Son | — | Massachusetts |
| 86 | Francis Cassidy | 6 | Son | — | Massachusetts |
| 87 | Isabelle Cassidy | 3 | Daughter | — | Massachusetts |
| 88 | Catherine Tedley | 72 | Roomer | Cotton Mill | English |
| 89 | William Mctaggert | 35 | Brother-in-law | Shoe Shop | English |
| 90 | Mary Mcgrath | 45 | Roomer | Cotton Mill | English |
| 91 | Alice Saunders | 56 | Head | — | Massachusetts |
| 92 | Adam L Griffin | 61 | Roomer | Caretaker | Maine |
| 93 | Jeanette Christie | 67 | Head | — | Scotland |
| 94 | Alexander Christie | 41 | Son | Proprietor | Scotland |
| 95 | Stephen S Christie | 36 | Son | Carpenter | Scotland |
| 96 | Albina Sheehan | 30 | Head | Cashier | Michigan |
| 97 | Frances Sheehan | 12 | Daughter | — | Massachusetts |
| 98 | Gladys Sheehan | 4 | Daughter | — | Massachusetts |
| 99 | Margaret Fields | 28 | Roomer | Actress | New Jersey |
| 100 | Harold E Stanley | 41 | Head | Tool Maker | Maine |
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)