KJ
Katherine Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Greene, Missouri
Our Model Tree links this Katherine Johnson across the 1930 and 1940 US Censuses in Greene, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 14-person household.
Age 7
b. ~1923
Female
Daughter
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Greene, Missouri |
| Surname | Johnson |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Robberson Township Part Of |
| Est. Birth Year | ~1923 |
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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| Viora Craig | Other | — | 29 | ~1901 |
| Benjamin Johnson | Head | — | 69 | ~1861 |
| Victor Craig | Other | — | 30 | ~1900 |
| Boyd Johnson | Other | — | 31 | ~1899 |
| William Schmidt | Other | — | 66 | ~1864 |
| William Schmidt | Son | — | 8 | ~1922 |
| Effa Johnson | Daughter | — | 10 | ~1920 |
| Margery Johnson | Daughter | — | 8 | ~1922 |
| Henry Schmidt | Other | — | 68 | ~1862 |
| Nola Craig | Daughter | — | 9 | ~1921 |
| Katherine Johnson | Daughter | — | 7 | ~1923 |
| Ida Schmidt | Other | — | 42 | ~1888 |
| Donna Johnson | Other | — | 30 | ~1900 |
| Louise Schmidt | Daughter | — | 11 | ~1919 |
Census Appearances
1930
Greene, Missouri
Daughter, age 7
Greene, Missouri · implied b. ~1923 — 14 household members
| Surname | Johnson |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Greene-County, Missouri
Daughter, age 17
Greene-County, Missouri · implied b. ~1923 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Kathryn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Robberson Twp |
| 1935 Residence (County) | Greene |
| Occupation | 0 |
| Industry | 0 |
| Class of Worker | No |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| 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 Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Katherine Johnson
Daughter · 1930 · age 7 · b. ~1923 · Missouri
★ You are viewing this record
Sibling
Effa Johnson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nola Craig
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Schmidt
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Schmidt
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margery Johnson
Sibling · 1930 · age 8
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 — Greene, Missouri
Open full size
1930 US Federal Census — Greene, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1189:0795)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John W. Tuck | 59 | Head | Farmer | Missouri |
| 52 | Winnie S. Tuck | 56 | Wife-H | — | Missouri |
| 53 | Mason H. Wills | 50 | Head | Farmer | Missouri |
| 54 | Viola A. Wills | 48 | Wife-H | — | Missouri |
| 55 | James V. Fowler | 57 | Head | Contractor | South Carolina |
| 56 | Blanche Fowler | 50 | Wife-H | — | West Virginia |
| 57 | Jeanne Fowler | 26 | Daughter | — | California |
| 58 | Evaghn Fowler | 19 | Daughter | — | Texas |
| 59 | Margaret Fowler | 16 | Daughter | — | Texas |
| 60 | Emil Fowler | 14 | Son | — | Texas |
| 61 | Paul Fowler | 6 | Son | — | Missouri |
| 62 | Jesse Honeycutt | 42 | Head | Farmer | Missouri |
| 63 | Maggie Honeycutt | 42 | Wife-H | — | Missouri |
| 64 | Francis Honeycutt | 19 | Son | Laborer | Missouri |
| 65 | Delbert Honeycutt | 17 | Son | Laborer | Missouri |
| 66 | Daisy Honeycutt | 15 | Daughter | — | Missouri |
| 67 | James Davis | 80 | Father-in-law | — | North Carolina |
| 68 | Edith Davis | 80 | Mother-in-law | — | North Carolina |
| 69 | Victor G. Newton | 39 | Head | Farmer | Missouri |
| 70 | Flora B. Newton | 38 | Wife-H | — | Missouri |
| 71 | Stanley J. Newton | 17 | Son | — | Missouri |
| 72 | Louvenia M. Newton | 14 | Daughter | — | Missouri |
| 73 | Dwight R. Newton | 9 | Son | — | Missouri |
| 74 | Lon W. Newton | 4 | Son | — | Missouri |
| 75 | Raleigh R. Crane | 59 | Head | Farmer | Missouri |
| 76 | Mary L. Crane | 52 | Wife-H | — | Missouri |
| 77 | Gladys Crane | 15 | Daughter | — | Missouri |
| 78 | Ruby Crane | 13 | Daughter | — | Missouri |
| 79 | Howard Crane | 12 | Son | — | Missouri |
| 80 | Juanita Crane | 10 | Daughter | — | Missouri |
| 81 | Dee Best | 35 | Head | Farmer | Missouri |
| 82 | Lizzie Best | 35 | Wife-H | — | Missouri |
| 83 | Frank Mallenowsky | 60 | Head | Farmer | Germany |
| 84 | Emma Mallenowsky | 51 | Wife-H | — | Germany |
| 85 | Dora Mallenowsky | 13 | Daughter | — | Missouri |
| 86 | Ruth Mallenowsky | 11 | Daughter | — | Missouri |
| 87 | Benjamin B. Johnson | 69 | Head | Farmer | Missouri |
| 88 | Boyd B. Johnson | 31 | R | Farmer | Missouri |
| 89 | Donna Johnson | 30 | Wife-H | — | Missouri |
| 90 | Effa Lou Johnson | 10 | Daughter | — | Missouri |
| 91 | Margery Johnson | 8 | Daughter | — | Missouri |
| 92 | Katherine Johnson THIS PERSON | 7 | Daughter | — | Missouri |
| 93 | William Schmidt | 66 | O | Farmer | Germany |
| 94 | Ida L. Schmidt | 42 | Wife-H | — | Missouri |
| 95 | Louise Schmidt | 11 | Daughter | — | Missouri |
| 96 | William Jr. Schmidt | 8 | Son | — | Missouri |
| 97 | Henry P. Schmidt | 68 | Brother | Retired Farmer | Germany |
| 98 | Victor Craig | 30 | R | Farmer | Missouri |
| 99 | Viora Craig | 29 | Wife-H | — | Missouri |
| 100 | Nola Craig | 9 | Daughter | — | Missouri |
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)