JW
John Willis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Fergus, Montana
Our Model Tree links this John Willis across the 1920 and 1930 US Censuses in Fergus, Montana (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 8-person household.
Age 12
b. ~1918
Male
Son
Born: Montana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Fergus, Montana |
| Surname | Willis |
| Given Name | John J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Montana |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | Winifred Town |
| Est. Birth Year | ~1918 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Willis | Daughter | — | 10 | ~1920 |
| Katherine Willis | Daughter | — | 17 | ~1913 |
| Bessie Willis | Daughter | — | 14 | ~1916 |
| John Willis | Head | — | 50 | ~1880 |
| Pearl Willis | Other | — | 41 | ~1889 |
| W Willis | Son | — | 21 | ~1909 |
| John Willis | Son | — | 12 | ~1918 |
| Weymouth Willis | Son | — | 19 | ~1911 |
Census Appearances
1920
Fergus, Montana
Son, age 2
Fergus, Montana · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Willis |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Montana |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1930
Fergus, Montana
Son, age 12
Fergus, Montana · implied b. ~1918 — 8 household members
| Surname | Willis |
| Given Name | John J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Montana |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 John Willis across 2 US Census years (1920 and 1930) in Fergus, Montana, using XGBoost record linkage.
Show:
This person
Anchor record
John Willis
Son · 1930 · age 12 · b. ~1918 · Montana
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Sibling
Bessie Willis
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Willis
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
W Willis
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Willis
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Weymouth Willis
Sibling · 1930 · age 19
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 — Fergus, Montana
Open full size
1930 US Federal Census — Fergus, Montana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1255unit:0960)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Howard C. Gee | 40 | Head | Surgeon | New York |
| 2 | Rena S. Gee | 38 | Wife-H | — | Minnesota |
| 3 | H. Sherman Gee | 12 | son | — | Montana |
| 4 | Robert F. Gee | 11 | son | — | Montana |
| 5 | John Willis | 50 | Head | Proprietor | Kansas |
| 6 | Pearl E. Willis | 41 | Wife-H | — | Montana |
| 7 | W. Charles Willis | 21 | son | Salesman | Montana |
| 8 | Weymouth Willis | 19 | son | Salesman | Montana |
| 9 | Katherine S. Willis | 17 | daughter | — | Montana |
| 10 | Bessie Willis | 14 | daughter | — | Montana |
| 11 | John J. Willis THIS PERSON | 12 | son | — | Montana |
| 12 | Dorothy Willis | 10 | daughter | — | Montana |
| 13 | William C. Mendel | 35 | Head | Manager | Wisconsin |
| 14 | Alvina E. Mendel | 30 | Wife-H | — | Iowa |
| 15 | Verne E. Mendel | 5 | son | — | Montana |
| 16 | Eugene Mendel | 1 | son | — | Montana |
| 17 | Delpha R. Mendel | 0 | daughter | — | Montana |
| 18 | John Worley | 45 | Head | — | Illinois |
| 19 | Ella M. Worley | 37 | Wife-H | — | Kansas |
| 20 | M. Lucile Worley | 14 | daughter | — | Montana |
| 21 | Mildred Worley | 11 | daughter | — | Montana |
| 22 | Galen J. Hallam | 27 | Boarder | — | Minnesota |
| 23 | Royal F. Cranston | 50 | Head | Publisher | Wisconsin |
| 24 | Emma Q. Cranston | 48 | Wife-H | — | South Dakota |
| 25 | Richard L. Cranston | 10 | adopted son | — | Washington |
| 26 | George C. Morrison | 45 | Boarder | Stationary Engineer | Scotland |
| 27 | George Morrison | 12 | son | — | Wisconsin |
| 28 | — | None | — | — | — |
| 29 | — | None | — | — | — |
| 30 | — | None | — | — | — |
| 31 | — | None | — | — | — |
| 32 | — | None | — | — | — |
| 33 | — | None | — | Janitor | — |
| 34 | — | None | — | — | — |
| 35 | — | None | — | — | — |
| 36 | — | None | — | — | — |
| 37 | — | None | — | — | — |
| 38 | — | None | — | — | — |
| 39 | — | None | — | — | — |
| 40 | — | None | — | — | — |
| 41 | A. N. Case | 9 | son | — | Montana |
| 42 | Wallace C. Case | 7 | son | — | Montana |
| 43 | Emma S. Conradson | 19 | Head | — | North Dakota |
| 44 | Alice May Conradson | 15 | step daughter | — | Montana |
| 45 | John Conradson | 28 | son | — | Montana |
| 46 | Mary Conradson | 24 | Wife-H | — | Montana |
| 47 | John Conradson | 4 | son | — | Montana |
| 48 | Jess M. Conradson | 21 | son | — | Montana |
| 49 | Frederick Conradson | 20 | son | — | Montana |
| 50 | — | None | — | — | — |
Related Census Records
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)