JC
John Callahan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Camden, New Jersey
Our Model Tree links this John Callahan across the 1910, 1920 and 1930 US Censuses in Camden, New Jersey (XGBoost, ~Confirmed), with identified parents John & James — first a son (b.~1908), then head of a 4-person household.
Age 22
b. ~1908
Male
Son
Born: New Jersey
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Camden, New Jersey |
| Surname | Callahan |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 21 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | Embosser |
| Industry | Paper Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Embosser |
| Township / Ward | Camden City |
| Est. Birth Year | ~1908 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| James Callahan | Head | — | 56 | ~1874 |
| Florence Callahan | Other | — | 21 | ~1909 |
| James Callahan | Other | — | ~1930 | |
| John Callahan | Son | — | 22 | ~1908 |
Census Appearances
1910
Camden, New …
Son, age 2
Camden, New Jersey · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callahan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Camden, New …
Son, age 12
Camden, New Jersey · implied b. ~1908 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callahan |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Camden, New …
Son, age 22
Camden, New Jersey · implied b. ~1908 — 4 household members
| Surname | Callahan |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 21 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Embosser |
| Industry | Paper Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 John Callahan across 3 US Census years (1910, 1920 and 1930) in Camden, New Jersey, using XGBoost record linkage. Identified parents: father John Callahan (~0.92 confidence) and father James Callahan (~0.92 confidence) and mother Annie Callahan (~0.92 confidence) and father Andrew Callahan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Callahan
b. ~1870
Source father
● Household
· direct · ~0.92
Father
James Callahan
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Annie Callahan
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Andrew Callahan
b. ~1877
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Callahan
Son · 1930 · age 22 · b. ~1908 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Camden, New Jersey
Open full size
1930 US Federal Census — Camden, New Jersey
Page Contents
38 people indexed on this census page (ia:1930:newjerseycensus00reel1322:0197)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harold E Lorange | 38 | Head | Fireman | New Jersey |
| 2 | Margaret Lorange | 37 | Wife | — | Pennsylvania |
| 3 | John S Lorange | 5 | Son | — | New Jersey |
| 4 | Harold Lorange | 1 | Son | — | New Jersey |
| 5 | Harvey Mcclintock | 34 | Head | Printer | Pennsylvania |
| 6 | Alice M Mcclintock | 34 | Wife | — | New Jersey |
| 7 | G Milton Kitchen | 37 | Head | Foreman | New Jersey |
| 8 | Blanche Kitchen | 35 | Wife | — | New Jersey |
| 9 | Donald M Kitchen | 8 | Son | — | New Jersey |
| 10 | Virginia G Kitchen | 6 | Daughter | — | New Jersey |
| 11 | Charles E Corcoran | 40 | Head | Foreman | Ireland Free State |
| 12 | Agnes W Corcoran | 32 | Wife | — | New Jersey |
| 13 | Mary Britton | 52 | Mother | Bookkeeper | New Jersey |
| 14 | Elizabeth Britton | 25 | Sister-in-law | Bookkeeper | New Jersey |
| 15 | Edward J O'Brien | 43 | Head | General Foreman | Pennsylvania |
| 16 | Katherine O'Brien | 42 | Wife | — | New Jersey |
| 17 | Edward J O'Brien | 20 | Son | Stenographer | New Jersey |
| 18 | Harry J Tundequist | 28 | Head | Commercial Artist | Pennsylvania |
| 19 | Dorothy Tundequist | 26 | Wife | — | New Jersey |
| 20 | Donald J Tundequist | 1 | Son | — | New Jersey |
| 21 | John H Schorpp | 52 | Head | Janitor | Pennsylvania |
| 22 | Theresa Schorpp | 48 | Wife | — | England |
| 23 | Myrtle L Schorpp | 22 | Daughter | Typist | New Jersey |
| 24 | Mildred C Schorpp | 20 | Daughter | Stenographer | New Jersey |
| 25 | James A Callahan | 56 | Head | — | New Jersey |
| 26 | John J Callahan THIS PERSON | 22 | Son | Embosser | New Jersey |
| 27 | Florence Callahan | 21 | Daughter-in-law | — | New Jersey |
| 28 | James M Callahan | 0 | Grandson | — | New Jersey |
| 29 | Charles E Wright | 42 | Head | Secretary | New Jersey |
| 30 | Margaret G Wright | 38 | Wife | — | New Jersey |
| 31 | Margaret G Wright | 16 | Daughter | Saleslady | New Jersey |
| 32 | Charles E Wright | 14 | Son | — | New Jersey |
| 33 | William Wright | 12 | Son | — | New Jersey |
| 34 | Harwood Hall | 38 | Head | Foreman | New Jersey |
| 35 | Mildred J Hall | 30 | Wife | Title Clerk | New Jersey |
| 36 | William S Horn | 32 | Head | Merchant | New Jersey |
| 37 | Elva Horn | 27 | Wife | Bookkeeper | New Jersey |
| 38 | End Of Block | None | #1088 | — | — |
Pedigree Summary
John
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)