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James Cassidy — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this James Cassidy across the 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1904), then head of a 8-person household.
Age 16
b. ~1904
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Cassidy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Oakmont Borough |
| Est. Birth Year | ~1904 |
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 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Raymond Cassidy | Son | — | 6 | ~1914 |
| Agnes Cassidy | Daughter | — | 4 | ~1916 |
| Olive Cassidy | Spouse | — | 34 | ~1886 |
| Matthew Cassidy | Son | — | 14 | ~1906 |
| James Cassidy | Son | — | 16 | ~1904 |
| Matthew Cassidy | Head | — | 37 | ~1883 |
| Francis Cassidy | Daughter | — | 8 | ~1912 |
| James Cassidy | Other | — | 65 | ~1855 |
Census Appearances
1910
Allegheny, Pennsylvania
Son, age 5
Allegheny, Pennsylvania · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cassidy |
| Given Name | James H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 16
Allegheny, Pennsylvania · implied b. ~1904 — 8 household members
| Surname | Cassidy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Steel Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
James Cassidy
Son · 1920 · age 16 · b. ~1904 · Pennsylvania
★ You are viewing this record
Sibling
Raymond Cassidy
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Cassidy
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Cassidy
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Matthew Cassidy
Sibling · 1920 · age 14
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 — Allegheny, Pennsylvania
Open full size
1920 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1516unit:0322)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Simon Conklin | 70 | Head | Steel Worker | Pennsylvania |
| 52 | Martha Conklin | 59 | Wife | — | Pennsylvania |
| 53 | Leghorn Conklin | 26 | Daughter | — | Pennsylvania |
| 54 | Harry Conklin | 1 | Boarder | — | Pennsylvania |
| 55 | Matthew Cassidy | 37 | Head | Laborer | Pennsylvania |
| 56 | Olive Cassidy | 34 | Wife | — | Pennsylvania |
| 57 | James Cassidy THIS PERSON | 16 | Son | Laborer | Pennsylvania |
| 58 | Matthew Cassidy | 14 | Son | — | Pennsylvania |
| 59 | Francis Cassidy | 8 | Daughter | — | Pennsylvania |
| 60 | Raymond Cassidy | 6 | Son | — | Pennsylvania |
| 61 | Agnes Cassidy | 4 | Daughter | — | Pennsylvania |
| 62 | James Cassidy | 65 | Father | — | Ireland |
| 63 | James Chandler | 40 | Head | Electrician | Ohio |
| 64 | Gertrude Chandler | 29 | Wife | — | Virginia |
| 65 | James Chandler | 7 | Son | — | Virginia |
| 66 | Joe Chandler | 1 | Son | — | Pennsylvania |
| 67 | Emery Endrodi | 35 | Head | Steel Worker | Austria |
| 68 | Rose Endrodi | 26 | Wife | — | Austria |
| 69 | Emery Jr Endrodi | 11 | Son | — | Pennsylvania |
| 70 | Antonette Endrodi | 2 | Daughter | — | Pennsylvania |
| 71 | Stephen Almokus | 30 | Boarder | Servant | New York |
| 72 | John Crocker | 50 | Head | Foreman | Pennsylvania |
| 73 | Irene Crocker | 44 | Wife | — | Pennsylvania |
| 74 | Catherine Crocker | 22 | Daughter | Clerk | Pennsylvania |
| 75 | Clara Crocker | 20 | Daughter | Stenographer | Pennsylvania |
| 76 | William Crocker | 18 | Son | Machinist | Pennsylvania |
| 77 | Emma Crocker | 16 | Daughter | — | Pennsylvania |
| 78 | Henry Crocker | 14 | Son | — | Pennsylvania |
| 79 | Leonard Crocker | 13 | Son | — | Pennsylvania |
| 80 | Francis Crocker | 9 | Daughter | — | Pennsylvania |
| 81 | Jesse Crocker | 7 | Son | — | Pennsylvania |
| 82 | Theodore Crocker | 7 | Daughter | — | Pennsylvania |
| 83 | Margaret Waring | 49 | Head | Rooming House | Pennsylvania |
| 84 | Ruth E Waring | 17 | Daughter | Clerk | Pennsylvania |
| 85 | John Fountain | 56 | Head 2 | Roadman | New York |
| 86 | Anna Fountain | 46 | Wife | — | Indiana |
| 87 | George Davis | 38 | Head 3 | Carpenter | Pennsylvania |
| 88 | Susie Davis | 21 | Wife | — | Pennsylvania |
| 89 | Joe Markovich | 27 | Head 4 | Waiter | Greece |
| 90 | Mary Markovich | 24 | Wife | — | Greece |
| 91 | Harry Bob | 23 | Head 5 | Bricklayer | Pennsylvania |
| 92 | Anna Ellen Bob | 19 | Wife | — | Pennsylvania |
| 93 | August Becker | 36 | Lodger | Foreman | Pennsylvania |
| 94 | Jacob Young | 56 | Lodger | Laborer | Pennsylvania |
| 95 | Guy Sopko | 46 | Head | Blacksmith | Ohio |
| 96 | Elizabeth Sopko | 42 | Wife | — | Pennsylvania |
| 97 | Kenneth Sopko | 22 | Son | Clerk | Pennsylvania |
| 98 | Juanita Sopko | 18 | Daughter | — | Pennsylvania |
| 99 | Guy Jr Sopko | 15 | Son | — | Pennsylvania |
| 100 | James Sane | 74 | Boarder | — | Pennsylvania |
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)