HJ
Harvey Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · New Castle, Delaware
Our Model Tree links this Harvey Johnson across the 1930 and 1940 US Censuses in New Castle, Delaware (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 10-person household.
Age 18
b. ~1912
Male
Son
Born: Delaware
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | New Castle, Delaware |
| Surname | Johnson |
| Given Name | Harvey |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Italy |
| Mother's Birthplace | Delaware |
| Additional Details | |
| Occupation | Salesman |
| Industry | Typewriter |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Salesman |
| Township / Ward | Wilmington City |
| Est. Birth Year | ~1912 |
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 Harvey | Age | Birth yr |
|---|---|---|---|---|
| Francis Johnson | Head | — | 47 | ~1883 |
| Elizabeth Harper | Other | — | 60 | ~1870 |
| Francis Johnson | Son | — | 20 | ~1910 |
| James Johnson | Son | — | 12 | ~1918 |
| Margaret Johnson | Daughter | — | 15 | ~1915 |
| Edward Johnson | Son | — | 3 | ~1927 |
| Joseph Johnson | Son | — | 7 | ~1923 |
| Leonard Johnson | Son | — | 10 | ~1920 |
| Harvey Johnson | Son | — | 18 | ~1912 |
| Margaret Johnson | Spouse | — | 36 | ~1894 |
Census Appearances
1930
New Castle, …
Son, age 18
New Castle, Delaware · implied b. ~1912 — 10 household members
| Surname | Johnson |
| Given Name | Harvey |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Italy |
| Mother's Birthplace | Delaware |
| Occupation | Salesman |
| Industry | Typewriter |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Son, age 28
New-Castle-County, Delaware · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Hurley H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington City |
| 1935 Residence (County) | New Castle |
| Occupation | Tile setter |
| Industry | Building Const. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| 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 Harvey Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harvey Johnson
Son · 1930 · age 18 · b. ~1912 · Delaware
★ You are viewing this record
Sibling
Leonard Johnson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Johnson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Johnson
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Johnson
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Johnson
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Johnson
Sibling · 1930 · age 7
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:1930:15thcensus289unit:1000)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cornelius J. Horgan | 47 | Head | Electrician | Delaware |
| 2 | Marie E. Horgan | 41 | Wife | — | New York |
| 3 | Jeanette Horgan | 5 | Daughter | — | Delaware |
| 4 | Nicolas Valente | 45 | Head | Barber | Italy |
| 5 | Mary A. Valente | 29 | Wife | — | Delaware |
| 6 | Andrew A. Valente | 11 | Son | — | Delaware |
| 7 | Lewis Valente | 8 | Son | — | Delaware |
| 8 | Albert Valente | 6 | Son | — | Delaware |
| 9 | Thomas L. Boulden | 28 | Head | Salesman | Delaware |
| 10 | Sara M. Boulden | 28 | Wife | — | Delaware |
| 11 | Dorothy Boulden | 7 | Daughter | — | Delaware |
| 12 | Ernest L. Boulden | 6 | Son | — | Delaware |
| 13 | Thomas L. Jr. Boulden | 5 | Son | — | Delaware |
| 14 | Florence A. Boulden | 4 | Daughter | — | Delaware |
| 15 | Patricia S. Boulden | 4 | Daughter | — | Delaware |
| 16 | Thelma Boulden | 2 | Daughter | — | Delaware |
| 17 | Clara J. Inwood | 52 | Head | Machine Op. | Scotland |
| 18 | Inez E. Inwood | 13 | Daughter | — | Delaware |
| 19 | Nora M. Inwood | 8 | Daughter | — | Delaware |
| 20 | Winston W. Inwood | 11 | Son | — | Delaware |
| 21 | Eugene Hale | 28 | Head | Belt Maker | Pennsylvania |
| 22 | Elizabeth M. Hale | 26 | Wife | — | Delaware |
| 23 | Dorothy J. Hale | 0 | Daughter | — | Delaware |
| 24 | Thelma Elaine Hale | 3 | Step-Daughter | — | Delaware |
| 25 | Helen Hale | 66 | Mother | Servant | Pennsylvania |
| 26 | Frank L. Hale | 19 | Brother | Machine Taker | Pennsylvania |
| 27 | Isaac J. Hayes | 26 | Head | Truck Driver | Delaware |
| 28 | Madeline A. Hayes | 21 | Wife | — | Delaware |
| 29 | Margaret M. Hayes | 2 | Daughter | — | Delaware |
| 30 | Marie C. Mahoney | 24 | Head | — | Delaware |
| 31 | J. David T. Mahoney | 5 | Son | — | Delaware |
| 32 | Marie V. Mahoney | 3 | Daughter | — | Delaware |
| 33 | Albert W. Mahoney | 2 | Son | — | Delaware |
| 34 | Albert W. Conway | 26 | Cousin | Printer | Delaware |
| 35 | William J. Lloyd | 33 | Head | Manager | Maryland |
| 36 | Mary M. Lloyd | 33 | Wife | — | Pennsylvania |
| 37 | John E. Lloyd | 10 | Son | — | Pennsylvania |
| 38 | Madeline M. Lloyd | 7 | Daughter | — | Pennsylvania |
| 39 | James J. Lloyd | 4 | Son | — | Pennsylvania |
| 40 | Francis Johnson | 47 | Head | Machine Op. | Italy |
| 41 | Margaret Johnson | 36 | Wife | Housework | Delaware |
| 42 | Francis J. Johnson | 20 | Son | Machinist Helper | Delaware |
| 43 | Harvey Johnson THIS PERSON | 18 | Son | Salesman | Delaware |
| 44 | Margaret Johnson | 15 | Daughter | — | Delaware |
| 45 | James Johnson | 12 | Son | — | Delaware |
| 46 | Leonard Johnson | 10 | Son | — | Delaware |
| 47 | Joseph Johnson | 7 | Son | — | Delaware |
| 48 | Edward Johnson | 3 | Son | — | Delaware |
| 49 | Elizabeth Harper | 60 | Aunt | Cleaning | Ireland |
| 50 | James J. Tucker | 39 | Head | Carpenter | Ireland |
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)