WM
William Mcgrath — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Calumet, Wisconsin
Our Model Tree links this William Mcgrath across the 1920 and 1930 US Censuses in Calumet, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1908), then head of a 11-person household.
Age 22
b. ~1908
Male
Son
Born: Wisconsin
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Calumet, Wisconsin |
| Surname | McGrath |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Additional Details | |
| Occupation | Farming |
| Industry | Home |
| Class of Worker | VIVV W |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Farming |
| Township / Ward | Chilton City |
| Est. Birth Year | ~1908 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Lewis Mcgrath | Head | — | 58 | ~1872 |
| Jennie Mcgrath | Spouse | — | 54 | ~1876 |
| W Tessman | Other | — | 41 | ~1889 |
| Ruth Mcgrath | Daughter | — | 27 | ~1903 |
| Nellie Mcgrath | Daughter | — | 17 | ~1913 |
| Elizabeth Mcgrath | Daughter | — | 14 | ~1916 |
| William Mcgrath | Son | — | 22 | ~1908 |
| Margaret Tessman | Daughter | — | 17 | ~1913 |
| Agnes Tessman | Spouse | — | 38 | ~1892 |
| Kathryn Tessman | Daughter | — | 12 | ~1918 |
| Moulton Mcgrath | Son | — | 21 | ~1909 |
Census Appearances
1920
Calumet, Wisconsin
Son, age 12
Calumet, Wisconsin · implied b. ~1908 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Calumet, Wisconsin
Son, age 22
Calumet, Wisconsin · implied b. ~1908 — 11 household members
| Surname | McGrath |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | Farming |
| Industry | Home |
| Class of Worker | VIVV W |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Calumet, Wisconsin, using XGBoost record linkage.
Show:
This person
Anchor record
William Mcgrath
Son · 1930 · age 22 · b. ~1908 · Wisconsin
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Sibling
Moulton Mcgrath
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Mcgrath
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Mcgrath
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Mcgrath
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Tessman
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Tessman
Sibling · 1930 · age 17
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 — Calumet, Wisconsin
Open full size
1930 US Federal Census — Calumet, Wisconsin
Page Contents
49 people indexed on this census page (ia:1930:15thcensus2563unit:0685)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lewis Mcgrath | 58 | Head | Farmer | Wisconsin |
| 2 | Jennie Mcgrath | 54 | Wife | — | Wisconsin |
| 3 | Ruth Mcgrath | 27 | Daughter | House Work | Wisconsin |
| 4 | William H. Mcgrath THIS PERSON | 22 | Son | Farming | Wisconsin |
| 5 | Moulton J. Mcgrath | 21 | Son | Laborer | Wisconsin |
| 6 | Nellie B. Mcgrath | 17 | Daughter | — | Wisconsin |
| 7 | Elizabeth D. Mcgrath | 14 | Daughter | — | Wisconsin |
| 8 | W. Tessman | 41 | O | Farmer | Wisconsin |
| 9 | Agnes Tessman | 38 | Wife | — | Wisconsin |
| 10 | Margaret Tessman | 17 | Daughter | — | Wisconsin |
| 11 | Kathryn Tessman | 12 | Daughter | — | Wisconsin |
| 12 | John Juerkens | 49 | Head | Farmer | Wisconsin |
| 13 | Sylvia Juerkens | 43 | Wife | — | Wisconsin |
| 14 | Evelyn Juerkens | 20 | Daughter | — | Wisconsin |
| 15 | Priscilla Juerkens | 17 | Daughter | — | Wisconsin |
| 16 | Leroy Juerkens | 14 | Son | — | Wisconsin |
| 17 | Vivian Juerkens | 3 | Daughter | — | Wisconsin |
| 18 | Art Lyders | 21 | Servant | Farm Helper | Wisconsin |
| 19 | Peter Smith | 21 | Head | Laborer | Wisconsin |
| 20 | Anna Smith | 20 | Wife | — | Wisconsin |
| 21 | Betty Smith | 4 | Daughter | — | Wisconsin |
| 22 | Charles Smith | 0 | Son | — | Wisconsin |
| 23 | W. Pagel | 55 | Head | — | Wisconsin |
| 24 | James Wagner | 43 | Head | Post Master | Wisconsin |
| 25 | Lilla Wagner | 45 | Wife | — | Wisconsin |
| 26 | Flora M. Wagner | 13 | Daughter | — | Wisconsin |
| 27 | Benny G. Wagner | 11 | Son | — | Wisconsin |
| 28 | James C. Wagner | 9 | Son | — | Wisconsin |
| 29 | Rodger E. Wagner | 6 | Son | — | Wisconsin |
| 30 | David A. Wagner | 2 | Son | — | Wisconsin |
| 31 | Bertha Wagner | 62 | Mother | — | Germany |
| 32 | Alford Schaff | 47 | Head | Salesman | Wisconsin |
| 33 | Dora Schaff | 47 | Wife | — | Wisconsin |
| 34 | Clarence A. Schaff | 17 | Son | — | Wisconsin |
| 35 | Ferdinand Schaff | 79 | Father | — | Germany |
| 36 | Teresa Bell | 52 | Head | — | Wisconsin |
| 37 | Edith Bell | 20 | Daughter | Saleslady | Wisconsin |
| 39 | Emma Hanert | 53 | Head | — | Wisconsin |
| 40 | Merton Hanert | 21 | Son | Clerk | Wisconsin |
| 41 | Richard Hanert | 11 | Son | — | Wisconsin |
| 42 | Alf. P. Bauman | 50 | Head | Shoe Store | Wisconsin |
| 43 | Adalyn Bauman | 52 | Wife | — | Wisconsin |
| 44 | Alfred H. Bauman | 17 | Son | — | Wisconsin |
| 45 | Alice G. Bauman | 12 | Daughter | — | Wisconsin |
| 46 | Minnie Bauman | 75 | Mother | — | Wisconsin |
| 47 | Walter Schitraw | 39 | Head | Cheese Factory | Wisconsin |
| 48 | Vera Schitraw | 33 | Wife | — | Wisconsin |
| 49 | Charles E. Schitraw | 9 | Son | — | Wisconsin |
| 50 | Lorana Schitraw | 3 | Daughter | — | Wisconsin |
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)