WK
William Koch — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Labette, Kansas
Our Model Tree links this William Koch across the 1910, 1920 and 1930 US Censuses in Labette, Kansas (XGBoost, ~Confirmed) — first a head (b.~1841), then head of a 2-person household.
Age 89
b. ~1841
Male
Head
Born: Germany
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Labette, Kansas |
| Surname | Koch |
| Given Name | William R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 89 |
| Marital Status | Widowed |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1851 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Veteran | Yes |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | Parsons City |
| Est. Birth Year | ~1841 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Emma Koch | Daughter | — | 58 | ~1872 |
| William Koch | Head | — | 89 | ~1841 |
Census Appearances
1910
Labette, Kansas
Head, age 69
Labette, Kansas · implied b. ~1841 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Koch |
| Given Name | William K. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Germany |
| Years Married | 41 |
| Year of Immigration | 1857 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Own income |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1920
Labette, Kansas
Head, age 76
Labette, Kansas · implied b. ~1844 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Koch |
| Given Name | William R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | Germany |
| Year of Immigration | 1857 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Germany |
| Year of Naturalization | 1863 |
| Birthplace (normalized) | germany |
1930
Labette, Kansas
Head, age 89
Labette, Kansas · implied b. ~1841 — 2 household members
| Surname | Koch |
| Given Name | William R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 89 |
| Marital Status | Widowed |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1851 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Veteran | Yes |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Koch across 3 US Census years (1910, 1920 and 1930) in Labette, Kansas, using XGBoost record linkage.
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This person
Anchor record
William Koch
Head · 1930 · age 89 · b. ~1841 · Kansas
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Labette, Kansas
Open full size
1930 US Federal Census — Labette, Kansas
Page Contents
50 people indexed on this census page (ia:1930:15thcensus707usce:0607)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Coy Higgins | 27 | Head | Baker | Kansas |
| 52 | Muriel Higgins | 21 | Wife-H | None | Missouri |
| 53 | Joyce Higgins | 1 | Daughter | — | Kansas |
| 54 | Ray Sr Dunlap | 40 | Head | Civil Engineer | Nebraska |
| 55 | Esther Dunlap | 40 | Wife-H | None | Iowa |
| 56 | James J Dunlap | 12 | Son | — | Missouri |
| 57 | Ray Jr Dunlap | 11 | Son | — | Missouri |
| 58 | Isabelle Dunlap | 9 | Daughter | — | Kansas |
| 59 | Billy Dunlap | 7 | Son | — | Kansas |
| 60 | Betty Dunlap | 7 | Daughter | — | Kansas |
| 61 | Jack Dunlap | 4 | Son | — | Kansas |
| 62 | Ralph Wright | 42 | Head | Switchman | Nebraska |
| 63 | Maude Wright | 39 | Wife-H | None | Illinois |
| 64 | Healine Wright | 13 | Daughter | — | Kansas |
| 65 | Charles Henderson | 27 | Head | Teacher | Kansas |
| 66 | Pearl Henderson | 29 | Wife-H | None | Kansas |
| 67 | Charles Vandyne | 30 | Head | Machinist | Kansas |
| 68 | Flossy Vandyne | 28 | Wife-H | None | Kansas |
| 69 | Verloine Vandyne | 8 | Daughter | — | Kansas |
| 70 | Ray Utley | 29 | Head | Machinist | Missouri |
| 71 | Mildred Utley | 27 | Wife-H | None | Kansas |
| 72 | Adam Stephen | 75 | Head | None | Indiana |
| 73 | Anna Stephen | 74 | Wife-H | None | New Jersey |
| 74 | John Brueggman | 37 | Head | Machinist | Missouri |
| 75 | Elsie Brueggman | 25 | Wife-H | None | Missouri |
| 76 | John H Brueggman | 6 | Son | — | Kansas |
| 77 | Mildred Brueggman | 4 | Daughter | — | Kansas |
| 78 | Paul J Brueggman | 3 | Son | — | Kansas |
| 79 | George Brueggman | 1 | Son | — | Kansas |
| 80 | Ida Kee | 39 | Head | Stenographer | Kansas |
| 81 | Delores Kee | 19 | Daughter | Secretary | Kansas |
| 82 | William R Koch THIS PERSON | 89 | Head | None | Germany |
| 83 | Emma Koch | 58 | Daughter | Saleslady | Kansas |
| 84 | Ray E Williams | 45 | Head | Teacher | Missouri |
| 85 | Edna Williams | 39 | Wife-H | None | Minnesota |
| 86 | John Williams | 10 | Son | — | Idaho |
| 87 | Ray E Williams | 8 | Son | — | Kansas |
| 88 | Ralph Jackson | 46 | Head | Brakeman | Kansas |
| 89 | Exa Jackson | 45 | Wife-H | None | Missouri |
| 90 | Willard Jackson | 25 | Son | Coppersmith | Kansas |
| 91 | Archie Montgomery | 48 | Head | Conductor | Kansas |
| 92 | Effie Montgomery | 44 | Wife-H | None | Kansas |
| 93 | Eloise Montgomery | 12 | Daughter | — | Kansas |
| 94 | Aleta Montgomery | 10 | Daughter | — | Kansas |
| 95 | Arthur Nelson | 48 | Head | Conductor | Illinois |
| 96 | Ella Nelson | 47 | Wife-H | None | Kansas |
| 97 | Ralph Embry | 54 | Head | Conductor | Kansas |
| 98 | Verda Embry | 51 | Wife-H | None | Illinois |
| 99 | Doris Embry | 28 | Daughter | Chief Clerk | Kansas |
| 100 | Gladys Embry | 26 | Daughter | Registrar | Kansas |
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)