CJ
Curtis Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Washington, District of Columbia
Our Model Tree links this Curtis Johnson across the 1920 and 1930 US Censuses in Washington, District of Columbia (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 10-person household.
Age 17
b. ~1913
Male
Son
Born: Virginia
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Washington, District of Columbia |
| Surname | Johnson |
| Given Name | Curtis L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Washington City |
| Est. Birth Year | ~1913 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Curtis | Age | Birth yr |
|---|---|---|---|---|
| Theodore Johnson | Son | — | 1 | ~1929 |
| Bertha Johnson | Spouse | — | 45 | ~1885 |
| Louise Johnson | Daughter | — | 2 | ~1928 |
| Ella Johnson | Daughter | — | 10 | ~1920 |
| Mary Johnson | Daughter | — | 11 | ~1919 |
| Thomas Johnson | Son | — | 7 | ~1923 |
| James Johnson | Son | — | 19 | ~1911 |
| Juanita Johnson | Daughter | — | 14 | ~1916 |
| Curtis Johnson | Son | — | 17 | ~1913 |
| James Johnson | Head | — | 51 | ~1879 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 6
Philadelphia, Pennsylvania · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Curtis T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Washington, District …
Son, age 17
Washington, District of Columbia · implied b. ~1913 — 10 household members
| Surname | Johnson |
| Given Name | Curtis L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Curtis Johnson across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Curtis Johnson
Son · 1930 · age 17 · b. ~1913 · District of Columbia
★ You are viewing this record
Sibling
Ella Johnson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Johnson
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Johnson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Johnson
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Johnson
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Johnson
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juanita Johnson
Sibling · 1930 · age 14
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 — Washington, District of Columbia
Open full size
1930 US Federal Census — Washington, District of Columbia
Page Contents
12 people indexed on this census page (ia:1930:15thcensus302unit:0265)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James H Johnson | 51 | Head | Laborer | Virginia |
| 52 | Bertha E Johnson | 45 | Wife | — | Virginia |
| 53 | James H Jr Johnson | 19 | Son | — | Virginia |
| 54 | Curtis L Johnson THIS PERSON | 17 | Son | — | Virginia |
| 55 | Juanita Johnson | 14 | Daughter | — | Virginia |
| 56 | Mary Lou Johnson | 11 | Daughter | — | Virginia |
| 57 | Ella L Johnson | 10 | Daughter | — | Virginia |
| 58 | Thomas S Johnson | 7 | Son | — | Virginia |
| 59 | Louise B Johnson | 2 | Daughter | — | Dist of Columbia |
| 60 | Theodore R Johnson | 1 | Son | — | Dist of Columbia |
| 61 | Arthur H Muir | 50 | Head | Bricklayer | Georgia |
| 62 | Esther Muir | 45 | Wife | Seamstress | Virginia |
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)