WM
William Mcgrath — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Butler, Ohio
Our Model Tree links this William Mcgrath across the 1920 and 1930 US Censuses in Butler, Ohio (XGBoost, ~Confirmed) — first a son (b.~1906), then head of a 9-person household.
Age 24
b. ~1906
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Butler, Ohio |
| Surname | McGrath |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Occupation | Salesman |
| Industry | General Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Salesman |
| Township / Ward | Hamilton City |
| Est. Birth Year | ~1906 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Michael Mcgrath | Head | — | 48 | ~1882 |
| William Mcgrath | Son | — | 24 | ~1906 |
| Wilhelmine Mcgrath | Other | — | 48 | ~1882 |
| Francis Mcgrath | Son | — | 18 | ~1912 |
| Eugene Mcgrath | Son | — | 14 | ~1916 |
| Mary Mcgrath | Daughter | — | 10 | ~1920 |
| Dorothy Mcgrath | Daughter | — | 8 | ~1922 |
| Lucille Mcgrath | Daughter | — | 21 | ~1909 |
| Paul Mcgrath | Son | — | 12 | ~1918 |
Census Appearances
1920
Butler, Ohio
Son, age 14
Butler, Ohio · implied b. ~1906 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Butler, Ohio
Son, age 24
Butler, Ohio · implied b. ~1906 — 9 household members
| Surname | McGrath |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Salesman |
| Industry | General Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Mcgrath across 2 US Census years (1920 and 1930) in Butler, Ohio, using XGBoost record linkage.
Show:
This person
Anchor record
William Mcgrath
Son · 1930 · age 24 · b. ~1906 · Ohio
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Sibling
Eugene Mcgrath
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Mcgrath
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcgrath
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Mcgrath
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Mcgrath
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mcgrath
Sibling · 1930 · age 18
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
1930 US Federal Census — Butler, Ohio
Open full size
1930 US Federal Census — Butler, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1753:0835)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joseph B. Crawford | 37 | Head | Mail Carrier | Ohio |
| 52 | Vera M. Crawford | 31 | Wife-H | — | Ohio |
| 53 | Sherwood H. Crawford | 8 | Son | — | Ohio |
| 54 | Marc C. Crawford | 5 | Son | — | Ohio |
| 55 | John R. Wimmer | 31 | Head | Machinist | Ohio |
| 56 | Louise Wimmer | 24 | Wife-H | Nurse | Ohio |
| 57 | Anna Marsh | 55 | Mother | Nurse | Ohio |
| 58 | Thomas Cartwright | 29 | Head | — | Ohio |
| 59 | Valora Cartwright | 27 | Wife-H | Nurse | Ohio |
| 60 | William Heiserman | 71 | Head | — | Maryland |
| 61 | Sarah A. Heiserman | 64 | Wife-H | — | Ohio |
| 62 | George V. Polster | 41 | Head | Salesman | Ohio |
| 63 | Mary Polster | 41 | Wife-H | — | Ohio |
| 64 | Millie E. Roll | 24 | Head | Supervisor | Ohio |
| 65 | Helen P. Roll | 24 | Wife-H | — | Ohio |
| 66 | James Burgess | 24 | Head | Coater | West Virginia |
| 67 | Sadie M. Burgess | 22 | Wife-H | — | West Virginia |
| 68 | Billy Cox | 19 | Boarder | Counting Paper | Ohio |
| 69 | Michael J. Mcgrath | 48 | Head | Merchant | Kentucky |
| 70 | Wilhelmine Mcgrath | 48 | Wife-H | — | Kentucky |
| 71 | William J. Mcgrath THIS PERSON | 24 | Son | Salesman | Ohio |
| 72 | Lucille Mcgrath | 21 | Daughter | Stenographer | Ohio |
| 73 | Francis Mcgrath | 18 | Son | Salesman | Ohio |
| 74 | Eugene Mcgrath | 14 | Son | — | Ohio |
| 75 | Paul Mcgrath | 12 | Son | — | Ohio |
| 76 | Mary L. Mcgrath | 10 | Daughter | — | Ohio |
| 77 | Dorothy E. Mcgrath | 8 | Daughter | — | Ohio |
| 78 | Charles Livack | 39 | Head | Proprietor | Russia |
| 79 | Anna Livack | 37 | Wife-H | — | Russia |
| 80 | Janet Livack | 15 | Daughter | — | Ohio |
| 81 | Edith Livack | 13 | Daughter | — | Georgia |
| 82 | Rose Livack | 9 | Daughter | — | Georgia |
| 83 | Martin Livack | 8 | Son | — | Ohio |
| 84 | Mary Livack | 60 | Mother | — | Russia |
| 85 | John De La Croix | 50 | Head | Foreman | Indiana |
| 86 | Grace De La Croix | 43 | Wife-H | — | Ohio |
| 87 | Enos C. De La Croix | 24 | Son | — | Ohio |
| 88 | Richard J. De La Croix | 21 | Son | Painter | Ohio |
| 89 | Fred W. Wagner | 55 | Head | Proprietor | Ohio |
| 90 | Myrtle V. Wagner | 42 | Wife-H | — | Ohio |
| 91 | Thelma M. Wagner | 21 | Daughter | — | Ohio |
| 92 | Helen Petree | 23 | Head | — | Ohio |
| 93 | Florence Petree | 61 | Aunt-H | — | Ohio |
| 94 | Harry A. Bohunmyer | 57 | Head | Machinist | Ohio |
| 95 | Louise D. Bohunmyer | 56 | Wife-H | — | Ohio |
| 96 | Domenick Cassetta | 49 | Head | Clergyman | New York |
| 97 | Dolores Cassetta | 41 | Wife-H | — | Italy |
| 98 | Eleanore Cassetta | 17 | Daughter | — | New York |
| 99 | Virginia Cassetta | 13 | Daughter | — | New York |
| 100 | Gloria J. Cassetta | 13 | Daughter | — | New York |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)