KJ
Katherine Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Wake, North Carolina
Our Model Tree links this Katherine Johnson across the 1920 and 1930 US Censuses in Wake, North Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 8-person household.
Age 13
b. ~1917
Female
Daughter
Born: North Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Wake, North Carolina |
| Surname | Johnson |
| Given Name | Katherine V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
| Township / Ward | Garner Town |
| Est. Birth Year | ~1917 |
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 Katherine | Age | Birth yr |
|---|---|---|---|---|
| Katherine Johnson | Daughter | — | 13 | ~1917 |
| Louise Johnson | Daughter | — | 14 | ~1916 |
| Wilma Johnson | Daughter | — | 5 | ~1925 |
| Evelyn Johnson | Daughter | — | 11 | ~1919 |
| Rosa Johnson | Daughter | — | 4 | ~1926 |
| Percy Johnson | Head | — | 42 | ~1888 |
| Annie Johnson | Daughter | — | ~1930 | |
| Leone Johnson | Daughter | — | 16 | ~1914 |
Census Appearances
1920
Wake, North …
Daughter, age 3
Wake, North Carolina · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | Georgia |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1930
Wake, North …
Daughter, age 13
Wake, North Carolina · implied b. ~1917 — 8 household members
| Surname | Johnson |
| Given Name | Katherine V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Can Read/Write | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
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 (1920 and 1930) in Wake, North Carolina, using XGBoost record linkage.
Show:
This person
Anchor record
Katherine Johnson
Daughter · 1930 · age 13 · b. ~1917 · North Carolina
★ You are viewing this record
Sibling
Louise Johnson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Johnson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leone Johnson
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Johnson
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Johnson
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilma Johnson
Sibling · 1930 · age 5
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 — Wake, North Carolina
Open full size
1930 US Federal Census — Wake, North Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1726unit:0478)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Brack Dodd | 1 | Son | — | North Carolina |
| 52 | John Taylor | 23 | Head | Laborer | North Carolina |
| 53 | Mamie Taylor | 22 | Wife-H | — | North Carolina |
| 54 | Bennie Jeffreys | 43 | Head | Driver | North Carolina |
| 55 | Leah A. Jeffreys | 43 | Wife-H | — | North Carolina |
| 56 | Andrew Jeffreys | 77 | Father | — | North Carolina |
| 57 | Henry Kelly | 54 | Head | Operator | North Carolina |
| 58 | Ella Kelly | 49 | Wife-H | — | North Carolina |
| 59 | Ina Kelly | 16 | Daughter | — | North Carolina |
| 60 | Nannie Kelly | 14 | Daughter | — | North Carolina |
| 61 | Nellie Kelly | 9 | Daughter | — | North Carolina |
| 62 | Charlie Massey | 57 | Head | Night Watchman | North Carolina |
| 63 | Elizabeth Massey | 56 | Wife-H | — | North Carolina |
| 64 | Francis M. Massey | 18 | Daughter | Wrapper | North Carolina |
| 65 | Mary A. Massey | 12 | Grand daughter | — | North Carolina |
| 66 | Elbert L. Carroll | 40 | Head | Car Inspector | North Carolina |
| 67 | Mattie A. Carroll | 40 | Wife-H | — | North Carolina |
| 68 | Alma M. Carroll | 17 | Daughter | — | North Carolina |
| 69 | Elbert L. Jr. Carroll | 15 | Son | — | North Carolina |
| 70 | Elizabeth V. Carroll | 12 | Daughter | — | North Carolina |
| 71 | James E. Carroll | 10 | Son | — | North Carolina |
| 72 | Percy B. Johnson | 42 | Head | Salesman | North Carolina |
| 73 | Leone W. Johnson | 16 | Daughter | — | North Carolina |
| 74 | Louise T. Johnson | 14 | Daughter | — | North Carolina |
| 75 | Katherine V. Johnson THIS PERSON | 13 | Daughter | — | North Carolina |
| 76 | Evelyn L. Johnson | 11 | Daughter | — | North Carolina |
| 77 | Wilma E. Johnson | 5 | Daughter | — | North Carolina |
| 78 | Rosa L. Johnson | 4 | Daughter | — | North Carolina |
| 79 | Annie J. Johnson | 0 | Daughter | — | North Carolina |
| 80 | Rosa W. Jones | 65 | Head-H | — | North Carolina |
| 81 | Haywood Anna L. Jones | 88 | Mother | — | North Carolina |
| 82 | Haywood Delia Jones | 60 | Sister | — | North Carolina |
| 83 | Eula B. Austin | 39 | Boarder | Teacher | North Carolina |
| 84 | Margaret E. Hinton | 20 | Boarder | Teacher | North Carolina |
| 85 | William H. Mitchel | 41 | Head | Carpenter | North Carolina |
| 86 | Nellie L. Mitchel | 36 | Wife-H | — | North Carolina |
| 87 | William A. Mitchel | 12 | Son | — | North Carolina |
| 88 | Virginia C. Mitchel | 11 | Daughter | — | North Carolina |
| 89 | Leola H. Mitchel | 8 | Daughter | — | North Carolina |
| 90 | William H. Jr. Mitchel | 6 | Son | — | North Carolina |
| 91 | Susie H. Mitchel | 4 | Daughter | — | North Carolina |
| 92 | John E. Carter | 72 | Head | — | North Carolina |
| 93 | Annie E. Carter | 62 | Wife-H | — | North Carolina |
| 94 | Nannie O. Carter | 28 | Daughter | Sales Lady | North Carolina |
| 95 | Fannie O. Carter | 28 | Daughter | — | North Carolina |
| 96 | Marquerite Broughton | 23 | Boarder | — | North Carolina |
| 97 | Delia King | 38 | Head-H | — | North Carolina |
| 98 | Margaret E. King | 12 | Daughter | — | North Carolina |
| 99 | Johnnie B. King | 9 | Daughter | — | North Carolina |
| 100 | Eliza Maynard | 74 | Mother | — | North Carolina |
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)