WC
William Cassidy — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Sangamon, Illinois
Our Model Tree links this William Cassidy across the 1920 and 1930 US Censuses in Sangamon, Illinois (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 6-person household.
Age 33
b. ~1887
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Sangamon, Illinois |
| Surname | Cassidy |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Miner |
| Industry | Coal mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Miner |
| Township / Ward | Pawnee Village |
| Est. Birth Year | ~1887 |
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 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Margaret Cassidy | Daughter | — | 6 | ~1914 |
| William Cassidy | Head | — | 33 | ~1887 |
| Martin Cassidy | Son | — | 5 | ~1915 |
| Roger Cassidy | Son | — | ~1920 | |
| Jennie Cassidy | Spouse | — | 37 | ~1883 |
| Helen Cassidy | Daughter | — | 2 | ~1918 |
Census Appearances
1920
Sangamon, Illinois
Head, age 33
Sangamon, Illinois · implied b. ~1887 — 6 household members
| Surname | Cassidy |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Miner |
| Industry | Coal mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Sangamon, Illinois
Head, age 45
Sangamon, Illinois · implied b. ~1885 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cassidy |
| Given Name | Wm. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1886 |
| Age at First Marriage | 27 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Miner |
| Industry | Coal |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 5 |
| Veteran | No |
| 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 (1920 and 1930) in Sangamon, Illinois, using XGBoost record linkage.
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This person
Anchor record
William Cassidy
Head · 1920 · age 33 · b. ~1887 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Sangamon, Illinois
Open full size
1920 US Federal Census — Sangamon, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu406unit:0311)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Cassidy THIS PERSON | 33 | Head | Miner | Ireland |
| 2 | Jennie Cassidy | 37 | Wife | — | Illinois |
| 3 | Margaret Cassidy | 6 | Daughter | — | Illinois |
| 4 | Martin Cassidy | 5 | Son | — | Illinois |
| 5 | Helen Cassidy | 2 | Daughter | — | Illinois |
| 6 | Roger Cassidy | 0 | Son | — | Illinois |
| 7 | Thos Donnelly | 35 | Head | Miner | Ireland |
| 8 | Mary Donnelly | 45 | Wife | — | Illinois |
| 9 | Henry Springer | 42 | Head | Miner | Germany |
| 10 | Wilhelmina Springer | 44 | Wife | — | Germany |
| 11 | Henry Springer | 23 | Son | Chauffeur | Germany |
| 12 | Herman Springer | 22 | Son | Book Keeper | Germany |
| 13 | Isaac Gibson | 65 | Head | Top Foreman | Illinois |
| 14 | Flora Gibson | 54 | Wife | — | Missouri |
| 15 | Louis Tenoglia | 45 | Head | Miner | Italy |
| 16 | Mary Tenoglia | 45 | Wife | — | Italy |
| 17 | John Tenoglia | 6 | Son | — | Italy |
| 18 | Peter Tenoglia | 2 | Son | — | Illinois |
| 19 | Bernard Golden | 23 | Head | Miner | Illinois |
| 20 | Ada Golden | 21 | Wife | — | Illinois |
| 21 | Bernard Golden | 2 | Son | — | Illinois |
| 22 | William Earvin | 48 | Head | Miner | Illinois |
| 23 | Stella Earvin | 45 | Wife | — | Illinois |
| 24 | Raymond Earvin | 19 | Son | Miner | Illinois |
| 25 | Charles Larson | 52 | Head | Miner | Sweden |
| 26 | Nellie Larson | 43 | Wife | — | Illinois |
| 27 | Charles Hickson | 30 | Boarder | Miner | Russia |
| 28 | Louis Castrale | 30 | Head | Miner | Italy |
| 29 | Josephine Castrale | 24 | Wife | — | Italy |
| 30 | Louis Castrale | 40 | Brother | — | Italy |
| 31 | John Castrale | 42 | Brother | — | Italy |
| 32 | Dominic Castrale | 35 | Head | Miner | Italy |
| 33 | Maggie Castrale | 26 | Wife | — | Italy |
| 34 | Loretta Castrale | 6 | Daughter | — | Illinois |
| 35 | Margaret Castrale | 4 | Daughter | — | Illinois |
| 36 | Edward Barronman | 49 | Head | Miner | Illinois |
| 37 | Edward Barronman | 15 | Son | — | Illinois |
| 38 | Thomas Barronman | 12 | Son | — | Illinois |
| 39 | Andy Concetto | 28 | Head | Miner | Italy |
| 40 | Annie Concetto | 24 | Wife | — | Italy |
| 41 | Joseph Concetto | 6 | Son | — | Illinois |
| 42 | John Concetto | 4 | Son | — | Illinois |
| 43 | Boggis Massino | 43 | Head | Miner | Italy |
| 44 | Annie Massino | 43 | Wife | — | Italy |
| 45 | Anna Kessler | 60 | Head | — | Illinois |
| 46 | Elmer Kessler | 10 | Son | — | Illinois |
| 47 | Viola Kessler | 11 | Daughter | — | Illinois |
| 48 | Thomas Hill | 29 | Head | Miner | Illinois |
| 49 | Leona Hill | 21 | Wife | — | Illinois |
| 50 | Thomas Hill | 3 | Son | — | Illinois |
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)