JC
John Crosby — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Webster, Iowa
Our Model Tree links this John Crosby across the 1920 and 1930 US Censuses in Webster, Iowa (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 9-person household.
Age 11
b. ~1919
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Webster, Iowa |
| Surname | Crosby |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Fort Dodge City |
| Est. Birth Year | ~1919 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Crosby | Son | — | 11 | ~1919 |
| Ralph Crosby | Son | — | 19 | ~1911 |
| Phyllis Crosby | Daughter | — | 8 | ~1922 |
| Clarence Crosby | Head | — | 45 | ~1885 |
| Donald Crosby | Son | — | 13 | ~1917 |
| Mildred Crosby | Daughter | — | 18 | ~1912 |
| Isabelle Peters | Other | — | 62 | ~1868 |
| Ida Crosby | Spouse | — | 41 | ~1889 |
| Isabelle Crosby | Daughter | — | 17 | ~1913 |
Census Appearances
1920
Webster, Iowa
Son, age 1
Webster, Iowa · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crosby |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Webster, Iowa
Son, age 11
Webster, Iowa · implied b. ~1919 — 9 household members
| Surname | Crosby |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| 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 John Crosby across 2 US Census years (1920 and 1930) in Webster, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
John Crosby
Son · 1930 · age 11 · b. ~1919 · Iowa
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Sibling
Isabelle Crosby
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Crosby
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Crosby
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Crosby
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Crosby
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 — Webster, Iowa
Open full size
1930 US Federal Census — Webster, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel687:0956)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Everett Babcock | 14 | Son | Paper Boy | Minnesota |
| 52 | Wilbert Babcock | 11 | Son | Paper Boy | Wisconsin |
| 53 | Lucille Babcock | 9 | Daughter | — | Wisconsin |
| 54 | Kenneth Babcock | 7 | Son | — | Iowa |
| 55 | Lois Babcock | 5 | Daughter | — | Iowa |
| 56 | Beau Jr. Babcock | 4 | Son | — | Iowa |
| 57 | Herbert Canaday | 39 | Head | Conductor | Illinois |
| 58 | Ethel Canaday | 39 | Wife | — | Michigan |
| 59 | James E. Howler | 37 | Head | Mechanic | Pennsylvania |
| 60 | Emma Howler | 35 | Wife | — | Iowa |
| 61 | James H. Howler | 11 | Son | — | Iowa |
| 62 | Anna E. Howler | 9 | Daughter | — | Ohio |
| 63 | Lorenz G. Howler | 7 | Son | — | Iowa |
| 64 | Lloyd S. Olson | 31 | Head | Locomotive Fireman | Sweden |
| 65 | Lily Olson | 30 | Wife | — | Nebraska |
| 66 | Keith Olson | 6 | Son | — | Iowa |
| 67 | Gene Olson | 5 | Son | — | Iowa |
| 68 | Lee Olson | 4 | Son | — | Iowa |
| 69 | Edward P. Johnson | 58 | Head | Salesman | Minnesota |
| 70 | Jessie F. Johnson | 57 | Wife | — | Minnesota |
| 71 | Clarence Johnson | 21 | Son | — | Iowa |
| 72 | Cora M. Johnson | 89 | Mother | — | Minnesota |
| 73 | Edward Wyffels | 48 | Head | Superintendent | Iowa |
| 74 | Jane Wyffels | 42 | Wife | — | Illinois |
| 75 | Orville Wyffels | 20 | Son | — | Iowa |
| 76 | Roy E. Wyffels | 9 | Son | — | Iowa |
| 77 | Max A. Schalman | 40 | Head | Conductor | Germany |
| 78 | Genevieve Schalman | 38 | Wife | — | Iowa |
| 79 | Ivetta Schalman | 11 | Daughter | — | Iowa |
| 80 | Clovis C. Courtney | 37 | Lodger | Brakeman | Missouri |
| 81 | George B. Swearingen | 64 | Head | Laborer | Minnesota |
| 82 | Ettie Swearingen | 61 | Wife | — | Minnesota |
| 83 | Amy Swearingen | 30 | Daughter | — | Minnesota |
| 84 | Jesse E. Palmer | 46 | Head | Machinist | Wisconsin |
| 85 | Ida Palmer | 48 | Wife | — | Missouri |
| 86 | Forest Palmer | 18 | Son | — | Colorado |
| 87 | Clyde Palmer | 16 | Son | — | Minnesota |
| 88 | Lloyd Palmer | 13 | Son | — | Iowa |
| 89 | Donald Palmer | 9 | Son | — | Iowa |
| 90 | Leola Palmer | 6 | Daughter | — | Iowa |
| 91 | Clarence H. Crosby | 45 | Head | Locomotive Engineer | Iowa |
| 92 | Ida Crosby | 41 | Wife | — | Iowa |
| 93 | Ralph Crosby | 19 | Son | — | Iowa |
| 94 | Mildred Crosby | 18 | Daughter | — | Iowa |
| 95 | Isabelle Crosby | 17 | Daughter | — | Iowa |
| 96 | Donald Crosby | 13 | Son | — | Iowa |
| 97 | John Crosby THIS PERSON | 11 | Son | — | Iowa |
| 98 | Phyllis Crosby | 8 | Daughter | — | Iowa |
| 99 | Isabelle Peters | 62 | Mother | — | Iowa |
| 100 | Albert Danner | 37 | Head | Manager | Iowa |
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)