WC
William Cassidy — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Idaho, Idaho
Our Model Tree links this William Cassidy across the 1900 and 1910 US Censuses in Idaho, Idaho (XGBoost, ~Confirmed) — first a head (b.~1859), then head of a 7-person household.
Age 51
b. ~1859
Male
Head
Born: Iowa
Married
1910 Census Record Details
| Census Year | 1910 |
| Location | Idaho, Idaho |
| Surname | Cassidy |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Iowa |
| Years Married | 9 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Lawyer |
| Industry | oa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Lawyer |
| Township / Ward | Grangeville City |
| Est. Birth Year | ~1859 |
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 1910 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Ernest Crawford | Other | — | 21 | ~1889 |
| Helen Palmer | Other | — | 26 | ~1884 |
| Beulah Cassidy | Daughter | — | 5 | ~1905 |
| William Cassidy | Head | — | 51 | ~1859 |
| Flora Cassidy | Spouse | — | 41 | ~1869 |
| William Cassidy | Son | — | 1 | ~1909 |
| Wilma Cassidy | Daughter | — | 3 | ~1907 |
Census Appearances
1900
Idaho, Idaho
Head, age 42
Idaho, Idaho · implied b. ~1858
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Cassady |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| Birth Month | Apr |
| Birth Year | 1858 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Attorney |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Idaho, Idaho
Head, age 51
Idaho, Idaho · implied b. ~1859 — 7 household members
| Surname | Cassidy |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Iowa |
| Years Married | 9 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Lawyer |
| Industry | oa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Idaho, Idaho, using XGBoost record linkage.
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This person
Anchor record
William Cassidy
Head · 1910 · age 51 · b. ~1859 · Idaho
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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 — Idaho, Idaho
Open full size
1910 US Federal Census — Idaho, Idaho
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po224unit:0513)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Laura B Morgan | 22 | wife | — | Oregon |
| 2 | Reva Morgan | 2 | daughter | None | Oregon |
| 3 | M M Mcclannahan | 30 | Head | Real Estate | Missouri |
| 4 | Lizzie Mcclannahan | 29 | wife | None | Illinois |
| 5 | Marguerite Mcclannahan | 6 | daughter | None | Washington |
| 6 | Edward Mcclannahan | 8 | son | None | Idaho |
| 7 | C T Mcdonald | 43 | Head | Lawyer | Illinois |
| 8 | Annie Mcdonald | 39 | wife | None | Texas |
| 9 | Clarice Mcdonald | 17 | daughter | None | Texas |
| 10 | Vivian Mcdonald | 15 | daughter | None | Texas |
| 11 | Homer Mcdonald | 12 | son | None | Washington |
| 12 | C Mcdonald | 9 | son | None | Washington |
| 13 | Ester Mcdonald | 4 | daughter | None | Idaho |
| 14 | June Mcdonald | 1 | daughter | None | Idaho |
| 15 | James De Haven | 55 | Head | Surveyor | California |
| 16 | Ernest De Haven | 17 | son | None | Idaho |
| 17 | Mary De Haven | 15 | daughter | None | Idaho |
| 18 | Louise De Haven | 10 | daughter | None | Idaho |
| 19 | Frank C Bradbury | 51 | Head | Abstractor | Maine |
| 20 | Nona Bradbury | 31 | wife | None | Idaho |
| 21 | Harry Bradbury | 3 | son | None | Idaho |
| 22 | Earl Bradbury | 2 | son | None | Idaho |
| 23 | Fred L Leonard | 41 | Head | Banker | Wisconsin |
| 24 | Maud Leonard | 40 | wife | None | Wisconsin |
| 25 | Mcmurtray Leonard | 12 | son | None | Minnesota |
| 26 | Marion Leonard | 11 | daughter | None | Minnesota |
| 27 | Theodore Leonard | 6 | son | None | Minnesota |
| 28 | Verna Leonard | 3 | daughter | None | Idaho |
| 29 | F M Eames | 57 | Head | Officer | Ohio |
| 30 | Eliza A Eames | 56 | wife | None | Minnesota |
| 31 | William Cassidy THIS PERSON | 51 | Head | Lawyer | Iowa |
| 32 | Flora H Cassidy | 41 | wife | None | Denmark |
| 33 | Beulah Cassidy | 5 | daughter | None | Idaho |
| 34 | Wilma Cassidy | 3 | daughter | None | Idaho |
| 35 | William Jr Cassidy | 1 | son | None | Idaho |
| 36 | Ernest A Crawford | 21 | step son | None | Utah |
| 37 | Helen F Palmer | 26 | boarder | Telephone Operator | Kansas |
| 38 | Fred Meader | 37 | Head | Real Estate | Maine |
| 39 | Alice Meader | 25 | wife | None | Minnesota |
| 40 | Stanley Meader | 14 | son | None | Oregon |
| 41 | Harold Meader | 13 | son | None | Oregon |
| 42 | Edna Brumfield | 20 | sister in law | Stenographer | Washington |
| 43 | Thomas H Dobner | 27 | Head | Tailor | Hungary |
| 44 | Marie B Dobner | 24 | wife | None | Idaho |
| 45 | M Raymond Dobner | 1 | son | None | Idaho |
| 46 | Freda C Berg | 22 | sister in law | Bookkeeper | Idaho |
| 47 | James Hillen | 57 | Head | Grain | Norway |
| 48 | Tilla Hillen | 53 | wife | None | Norway |
| 49 | C Hillen | 25 | son | Asst Cashier | Minnesota |
| 50 | Esther Ayers | 5 | grand daughter | None | Idaho |
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)