KW
Katherine Williams — 1930 US Census Record
Model Tree available1930 United States Federal Census · Grundy, Missouri
Our Model Tree links this Katherine Williams across the 1920, 1930 and 1940 US Censuses in Grundy, Missouri (XGBoost, ~Confirmed), with identified parents Ira & J — first a daughter (b.~1914), then head of a 4-person household.
Age 16
b. ~1914
Female
Daughter
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Grundy, Missouri |
| Surname | Williams |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Lincoln Township |
| Est. Birth Year | ~1914 |
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 Katherine | Age | Birth yr |
|---|---|---|---|---|
| Hazel Williams | Daughter | — | 30 | ~1900 |
| Katherine Williams | Daughter | — | 16 | ~1914 |
| Mattie Williams | Spouse | — | 50 | ~1880 |
| Ira Williams | Head | — | 57 | ~1873 |
Census Appearances
1920
Grundy, Missouri
Daughter, age 6
Grundy, Missouri · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Katherine |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Grundy, Missouri
Daughter, age 16
Grundy, Missouri · implied b. ~1914 — 4 household members
| Surname | Williams |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Grundy-County, Missouri
Daughter, age 26
Grundy-County, Missouri · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Kathryn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Grundy |
| Occupation | Presser |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 448 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Katherine Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ira Williams (~0.92 confidence) and father J Williams (~0.92 confidence) and father J Williams (~0.92 confidence) and mother Mattie Williams (~0.92 confidence) and mother Mattie Williams (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ira Williams
b. ~1873
Source father
● Household
· direct · ~0.92
Father
J Williams
b. ~1873
Source father
● Household
· direct · ~0.92
Father
J Williams
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Mattie Williams
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mattie Williams
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Katherine Williams
Daughter · 1930 · age 16 · b. ~1914 · Missouri
★ You are viewing this record
Sibling
Hazel Williams
Sibling · 1930 · age 30
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 — Grundy, Missouri
Open full size
1930 US Federal Census — Grundy, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1190:0090)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Fred P. Halloway | 34 | Head | Farmer | Missouri |
| 52 | Helen B. Halloway | 34 | Wife | — | Missouri |
| 53 | Ray L. Halloway | 2 | Son | — | Missouri |
| 54 | Evelyn E. Halloway | 1 | Daughter | — | Missouri |
| 55 | Ira Williams | 57 | Head | Farmer | Missouri |
| 56 | Mattie L. Williams | 50 | Wife | — | Missouri |
| 57 | Hazel M. Williams | 30 | Daughter | — | Missouri |
| 58 | Katherine Williams THIS PERSON | 16 | Daughter | — | Missouri |
| 59 | Silas A. Brown | 69 | Head | Farmer | Illinois |
| 60 | Addie E. Brown | 63 | Wife | — | Missouri |
| 61 | W. J. Baker | 66 | Head | Farmer | Missouri |
| 62 | Kattie Baker | 55 | Wife | — | Missouri |
| 63 | Margret Baker | 16 | Daughter | — | Missouri |
| 64 | Winifred Baker | 15 | Daughter | — | Missouri |
| 65 | Byrel D. Baker | 11 | Son | — | Missouri |
| 66 | Jessie Baker | 5 | Son | — | Missouri |
| 67 | Ben J. Monk | 48 | Head | Farmer | Missouri |
| 68 | Lucy M. Monk | 38 | Wife | — | Missouri |
| 69 | L. A. Proffit | 44 | Head | Farmer | Missouri |
| 70 | Lula Proffit | 40 | Wife | — | Missouri |
| 71 | Donald Proffit | 14 | Son | — | Missouri |
| 72 | Edgar Mack | 30 | Head | Farmer | Missouri |
| 73 | Mary Mack | 32 | Sister | — | Missouri |
| 74 | Forest Vandevender | 24 | Head | Laborer | Missouri |
| 75 | Leona Vandevender | 23 | Wife | — | Missouri |
| 76 | S. L. Carpenter | 56 | Head | Farmer | Missouri |
| 77 | May Carpenter | 56 | Wife | — | Missouri |
| 78 | Price Gates | 43 | Head | Farmer | Missouri |
| 79 | Mabel Gates | 34 | Wife | — | Missouri |
| 80 | Willard Gates | 13 | Son | — | Missouri |
| 81 | Doris Gates | 7 | Daughter | — | Missouri |
| 82 | Lawrence Parrish | 60 | Lodger | Laborer | Indiana |
| 83 | Everett Bonta | 42 | Head | Farmer | Missouri |
| 84 | Bertha Bonta | 33 | Wife | — | Missouri |
| 85 | Romita Bonta | 10 | Daughter | — | Missouri |
| 86 | Eula Bonta | 9 | Daughter | — | Missouri |
| 87 | Juan Bonta | 6 | Son | — | Missouri |
| 88 | Earl Duke | 32 | Head | Farmer | Missouri |
| 89 | Irma Duke | 32 | Wife | — | Missouri |
| 90 | Dora E. Duke | 6 | Daughter | — | Missouri |
| 91 | Charley Walker | 52 | Head | Laborer | Missouri |
| 92 | Clara Walker | 37 | Wife | — | Missouri |
| 93 | Donald Walker | 13 | Son | — | Missouri |
| 94 | Dorothy Walker | 11 | Daughter | — | Missouri |
| 95 | Iola Walker | 6 | Daughter | — | Missouri |
| 96 | Fred Walker | 3 | Son | — | Missouri |
| 97 | Theresa Walker | 0 | Daughter | — | Missouri |
| 98 | Ira Spangler | 53 | Head | Farmer | Missouri |
| 99 | Beatrice Spangler | 42 | Wife | — | Ohio |
| 100 | James Spangler | 16 | Son | — | Missouri |
Pedigree Summary
Katherine + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)