JW
James William — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Rock, Wisconsin
Our Model Tree links this James William across the 1930 and 1940 US Censuses in Rock, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 4-person household.
Age 2
b. ~1928
Male
Son
Born: Wisconsin
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Rock, Wisconsin |
| Surname | William |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Wisconsin |
| Additional Details | |
| Occupation | none |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Janesville City |
| Est. Birth Year | ~1928 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James William | Head | — | 43 | ~1887 |
| Hilda William | Spouse | — | 41 | ~1889 |
| James William | Son | — | 2 | ~1928 |
| Jeanette William | Daughter | — | 13 | ~1917 |
Census Appearances
1930
Rock, Wisconsin
Son, age 2
Rock, Wisconsin · implied b. ~1928 — 4 household members
| Surname | William |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Rock-County, Wisconsin
Son, age 12
Rock-County, Wisconsin · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Janesville City |
| 1935 Residence (County) | Rock |
| Highest Grade | S 5 |
| 1935 Residence | Same place |
| 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 James William across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James William
Son · 1930 · age 2 · b. ~1928 · Wisconsin
★ You are viewing this record
Sibling
Jeanette William
Sibling · 1930 · age 13
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 — Rock, Wisconsin
Open full size
1930 US Federal Census — Rock, Wisconsin
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2610unit:0456)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eleanor Bowman | 7 | Daughter | None | Michigan |
| 2 | Marian Bowman | 5 | Daughter | None | Michigan |
| 3 | Esther Rooney | 73 | Head | None | Wisconsin |
| 4 | Harriet Mackin | 75 | Sister | Dressmaker | Illinois |
| 5 | Bert D. Kellogg | 74 | Head | None | Wisconsin |
| 6 | Agnes Kellogg | 74 | Wife | None | Wisconsin |
| 7 | Alfred Anderson | 47 | Head | Plumber | Wisconsin |
| 8 | Lillie Anderson | 47 | Wife | None | Wisconsin |
| 9 | Alice Anderson | 18 | Daughter | None | Wisconsin |
| 10 | Doris Anderson | 12 | Daughter | None | Wisconsin |
| 11 | James William | 43 | Head | Plumber | Illinois |
| 12 | Hilda William | 41 | Wife | None | Wisconsin |
| 13 | Jeanette William | 13 | Daughter | None | Illinois |
| 14 | James William THIS PERSON | 2 | Son | None | Wisconsin |
| 15 | Daniel Briggs | 32 | Head | Salesman | New York |
| 16 | Mary Briggs | 38 | Wife | None | Scotland |
| 17 | Carl Nitz | 38 | Head | Foreman | Germany |
| 18 | Agnes Nitz | 39 | Wife | None | Wisconsin |
| 19 | John Nitz | 12 | Son | None | Wisconsin |
| 20 | Sara Mae Nitz | 11 | Daughter | None | Wisconsin |
| 21 | Glen Crabtree | 56 | Head | Proprietor | Illinois |
| 22 | Mary R. Crabtree | 50 | Wife | None | Illinois |
| 23 | Walter Brandt | 36 | Head | Trucker | Illinois |
| 24 | Elsie Brandt | 33 | Wife | None | Wisconsin |
| 25 | Wm Wagner | 35 | Boarder | Bus Driver | Wisconsin |
| 26 | Mary Mount | 50 | Head | None | Wisconsin |
| 27 | Grace Mount | 65 | Sister | None | Wisconsin |
| 28 | Wm A. Hardy | 60 | Head | Manager | Michigan |
| 29 | Jessie Hardy | 55 | Wife | None | N. Dakota |
| 30 | Reid Smith | 42 | Brother-in-law | Dentist | N. Dakota |
| 31 | Leigh Woodworth | 58 | Head | Food Inspector | S. Dakota |
| 32 | Veda Woodworth | 35 | Wife | None | Wisconsin |
| 33 | Jackson Woodworth | 6 | Son | None | Wisconsin |
| 34 | Carol J. Woodworth | 1 | Daughter | None | Wisconsin |
| 35 | Helene Ratz | 17 | Servant | Housework | Wisconsin |
| 36 | Fred Cookson | 52 | Head | Gardener | England |
| 37 | Alice Cookson | 39 | Wife | None | Wisconsin |
| 38 | Frank Slawson | 54 | Head | Manager | Wisconsin |
| 39 | Georgene Slawson | 49 | Wife | None | Florida |
| 40 | Paul Grubb | 41 | Head | Lawyer | Wisconsin |
| 41 | Ethel Grubb | 40 | Wife | None | Wisconsin |
| 42 | Paul Jr. Grubb | 14 | Son | None | Wisconsin |
| 43 | Joan Grubb | 6 | Daughter | None | Wisconsin |
| 44 | Lucius Kennedy | 46 | Head | Proprietor | Wisconsin |
| 45 | Ruth Kennedy | 36 | Wife | None | Wisconsin |
| 46 | Clarence Baker | 53 | Head | Manager | Wisconsin |
| 47 | Laura Baker | 49 | Wife | None | Wisconsin |
| 48 | Marlin S. Baker | 22 | Son | None | Wisconsin |
| 49 | Mary Nicholson | 21 | Head | Typist | Wisconsin |
| 50 | Lydia Nicholson | 14 | Sister | None | 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)