AJ
Ada Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · New Castle, Delaware
Our Model Tree links this Ada Johnson across the 1930 and 1940 US Censuses in New Castle, Delaware (XGBoost, ~Confirmed) — first a daughter (b.~1907), then head of a 8-person household.
Age 23
b. ~1907
Female
Daughter
Born: Delaware
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | New Castle, Delaware |
| Surname | Johnson |
| Given Name | Ada E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Additional Details | |
| Occupation | Nurse |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Nurse |
| Township / Ward | 6Th Representative District |
| Est. Birth Year | ~1907 |
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 Ada | Age | Birth yr |
|---|---|---|---|---|
| Grace Johnson | Daughter | — | 7 | ~1923 |
| Ada Johnson | Daughter | — | 23 | ~1907 |
| Alberta Johnson | Daughter | — | 21 | ~1909 |
| Helen Johnson | Daughter | — | 11 | ~1919 |
| Carlotta Johnson | Daughter | — | 14 | ~1916 |
| Amanda Johnson | Head | — | 46 | ~1884 |
| Wesley Johnson | Son | — | 17 | ~1913 |
| William Johnson | Son | — | 25 | ~1905 |
Census Appearances
1930
New Castle, …
Daughter, age 23
New Castle, Delaware · implied b. ~1907 — 8 household members
| Surname | Johnson |
| Given Name | Ada E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Nurse |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Daughter, age 34
New-Castle-County, Delaware · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Alda |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Representative District 11 |
| 1935 Residence (County) | New Castle |
| Occupation | nurse |
| Industry | private home |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 2000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 Ada Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ada Johnson
Daughter · 1930 · age 23 · b. ~1907 · Delaware
★ You are viewing this record
Sibling
Carlotta Johnson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Johnson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wesley Johnson
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Johnson
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alberta Johnson
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Johnson
Sibling · 1930 · age 25
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 — New Castle, Delaware
Open full size
1930 US Federal Census — New Castle, Delaware
Page Contents
50 people indexed on this census page (ia:1930:15thcensus287unit:0786)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Amanda Johnson | 46 | Head | — | Delaware |
| 2 | William H Johnson | 25 | Son | Miller | Maryland |
| 3 | Ada E Johnson THIS PERSON | 23 | Daughter | Nurse | Delaware |
| 4 | Alberta G Johnson | 21 | Daughter | Bookkeeper | Delaware |
| 5 | Wesley G Johnson | 17 | Son | — | Delaware |
| 6 | Carlotta M Johnson | 14 | Daughter | — | Delaware |
| 7 | Helen R Johnson | 11 | Daughter | — | Delaware |
| 8 | Grace D Johnson | 7 | Daughter | — | Delaware |
| 9 | J Irvin Dayett | 48 | Head | Flour Milling | Delaware |
| 10 | Louise B Dayett | 49 | Wife | — | Delaware |
| 11 | John W Dayett | 20 | Son | — | Delaware |
| 12 | James L Ford | 50 | Head | Farmer | Delaware |
| 13 | Florence V D Ford | 40 | Wife | — | Delaware |
| 14 | Sally J Ford | 6 | Daughter | — | Delaware |
| 15 | Florence E Ford | 4 | Daughter | — | Delaware |
| 16 | Edward Smith | 18 | Servant | Farm Hand | Delaware |
| 17 | James E Lupton | 48 | Head | Farmer | Delaware |
| 18 | Janette J Lupton | 42 | Wife | — | Delaware |
| 19 | Thomas D Wright | 41 | Head | Truck Driver | Delaware |
| 20 | Agnes L Wright | 37 | Wife | — | Delaware |
| 21 | Margaret L Wright | 12 | Daughter | — | Delaware |
| 22 | Thomas E Wright | 11 | Son | — | Delaware |
| 23 | Dorothy R Wright | 3 | Daughter | — | Delaware |
| 24 | James H Miles | 31 | Head | Salesman | Delaware |
| 25 | Margaret K Miles | 30 | Wife | — | Delaware |
| 26 | John P Shockley | 32 | Head | Farmer | Delaware |
| 27 | Gertrude L Shockley | 26 | Wife | — | Delaware |
| 28 | John P Shockley | 9 | Son | — | Delaware |
| 29 | Wilbur Shockley | 5 | Son | — | Delaware |
| 30 | Alice R Shockley | 4 | Daughter | — | Delaware |
| 31 | William Lane | 19 | Brother-in-law | Farmer | Delaware |
| 32 | Edward W Cooch | 54 | Head | Lawyer | Delaware |
| 33 | Eleanor B Cooch | 46 | Wife | State Reg Dar | Maryland |
| 34 | Thomas Cooch | 13 | Child | — | Delaware |
| 35 | Edward W Jr Cooch | 10 | Child | — | Delaware |
| 36 | Mrs Mary R Wilkins | 80 | Mother-in-law | — | Maryland |
| 37 | Neal J Johnson | 22 | Servant | Farmer | Minnesota |
| 38 | Alice W Smith | 18 | Servant | Cook | Delaware |
| 39 | Annie S Mcclain | 45 | Head | Dressmaker | Delaware |
| 40 | Norman Mcclain | 21 | Son | Truck Driver | Delaware |
| 41 | Helen L Mcclain | 12 | Daughter | — | Delaware |
| 42 | John B Blackstone | 60 | Servant | Manager Of Farm | Maryland |
| 43 | Charles Morris | 51 | Servant | Laborer | Delaware |
| 44 | John Wilson | 76 | Head | Retired | Delaware |
| 45 | Ida L Wilson | 56 | Wife | — | Delaware |
| 46 | Norman Slack | 30 | Son-in-law | Truck Driver | Delaware |
| 47 | Helen Slack | 29 | Daughter | Clerk | Delaware |
| 48 | John W Foraker | 58 | Head | Mill Hand | Maryland |
| 49 | Elizabeth B Foraker | 46 | Wife | — | Pennsylvania |
| 50 | Raymond S Foraker | 28 | Son | Farmer | Pennsylvania |
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)