CJ
Chas Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Chas Johnson across the 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 10-person household.
Age 15
b. ~1915
Male
Son
Born: Penna
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Johnson |
| Given Name | Chas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1915 |
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 Chas | Age | Birth yr |
|---|---|---|---|---|
| Frank Johnson | Son | — | 11 | ~1919 |
| Frank Sharkey | Other | — | 37 | ~1893 |
| Samuel Johnson | Head | — | 46 | ~1884 |
| Geo Johnson | Son | — | 13 | ~1917 |
| Peter Johnson | Son | — | 9 | ~1921 |
| Lena Johnson | Spouse | — | 44 | ~1886 |
| Joseph Johnson | Son | — | 7 | ~1923 |
| Chas Johnson | Son | — | 15 | ~1915 |
| Tom Sharkey | Other | — | 14 | ~1916 |
| Robert Johnson | Son | — | 17 | ~1913 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 15
Philadelphia, Pennsylvania · implied b. ~1915 — 10 household members
| Surname | Johnson |
| Given Name | Chas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Head, age 25
Philadelphia-County, Pennsylvania · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Charles G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | still operator |
| Industry | oil Refinery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1260 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Chas Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Chas Johnson
Son · 1930 · age 15 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
Frank Johnson
Sibling · 1930 · age 11
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
Sibling
Robert Johnson
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Johnson
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geo Johnson
Sibling · 1930 · age 13
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 — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2143:0306)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael Tambore | 38 | Head | Finisher | New Jersey |
| 2 | Sophia Tambore | 37 | Wife | — | Penna |
| 3 | Michael Jr Tambore | 10 | Son | — | Penna |
| 4 | Nick Jr Tambore | 7 | Son | — | Penna |
| 5 | Cassie Tambore | 5 | Daughter | — | Penna |
| 6 | Louise Tambore | 3 | Daughter | — | Penna |
| 7 | Carl Johnson | 29 | Head | Clerk | Penna |
| 8 | Cynthia Johnson | 29 | Wife | Cleaner | Penna |
| 9 | Louise Johnson | 8 | Daughter | — | Penna |
| 10 | Lena Johnson | 6 | Daughter | — | Penna |
| 11 | Sarah Johnson | 4 | Daughter | — | Penna |
| 12 | Louis Johnson | 2 | Son | — | Penna |
| 13 | Samuel Johnson | 46 | Head | Painter | Penna |
| 14 | Lena Johnson | 44 | Wife | — | Penna |
| 15 | Robert Johnson | 17 | Son | Messenger | Penna |
| 16 | Chas Johnson THIS PERSON | 15 | Son | — | Penna |
| 17 | Geo Johnson | 13 | Son | — | Penna |
| 18 | Frank Johnson | 11 | Son | — | Penna |
| 19 | Peter Johnson | 9 | Son | — | Penna |
| 20 | Joseph Johnson | 7 | Son | — | Penna |
| 21 | Frank Sharkey | 37 | Boarder | Boilermaker | Penna |
| 22 | Tom Sharkey | 14 | Boarder | — | Penna |
| 23 | Fred Thomas | 38 | Head | — | Penna |
| 24 | Lois Thomas | 31 | Wife | Stenographer | Penna |
| 25 | Thomas Thomas | 19 | Son | Mail Runner | Penna |
| 26 | Leo Thomas | 14 | Son | — | Penna |
| 27 | Irene Thomas | 12 | Daughter | — | Penna |
| 28 | Frank Cassidy | 38 | Head | Rigger | Penna |
| 29 | Frances Cassidy | 38 | Wife | — | Penna |
| 30 | Joseph Cassidy | 16 | Son | — | Penna |
| 31 | Frank Jr Cassidy | 14 | Son | — | Penna |
| 32 | Frank Cassidy | 7 | Son | — | Penna |
| 33 | Patricia Cassidy | 3 | Daughter | — | Penna |
| 34 | Leon Martin | 47 | Head | — | Penna |
| 35 | Lena Martin | 25 | Daughter | Clerk | Penna |
| 36 | Laura Martin | 24 | Daughter | Clerk | Penna |
| 37 | Buddy Martin | 22 | Son | Clerk | Penna |
| 38 | Nellie Martin | 16 | Daughter | — | Penna |
| 39 | Michael Sweeney | 46 | Head | Rigger | Penna |
| 40 | Bridget Sweeney | 47 | Wife | Saleswoman | Penna |
| 41 | Elizabeth Sweeney | 8 | Daughter | — | Penna |
| 42 | Louise Sweeney | 6 | Daughter | — | Penna |
| 43 | Francis Dougherty | 33 | Head | Electrician | Penna |
| 44 | Annie Dougherty | 31 | Wife | — | Penna |
| 45 | Arthur Dougherty | 5 | Son | — | Penna |
| 46 | Frank Cogan | 7 | Boarder | — | Penna |
| 47 | Frances Cogan | 5 | Boarder | — | Penna |
| 48 | James Dunbar | 7 | Boarder | — | Penna |
| 49 | Louis Henderson | 8 | Boarder | — | Penna |
| 50 | Nellie Henderson | 6 | Boarder | — | Penna |
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)