JF
John Frank — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this John Frank across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents John & Elizabeth — first a son (b.~1908), then head of a 5-person household.
Age 22
b. ~1908
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Frank |
| Given Name | John G Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Proprietor |
| Industry | Machine Shop |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Proprietor |
| Township / Ward | Baltimore 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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Leona Frank | Daughter | — | 21 | ~1909 |
| John Frank | Head | — | 51 | ~1879 |
| Frank Frank | Son | — | 17 | ~1913 |
| John Frank | Son | — | 22 | ~1908 |
| Bertha Frank | Spouse | — | 48 | ~1882 |
Census Appearances
1920
Balto, Maryland
Son, age 11
Balto, Maryland · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frank |
| Given Name | John W Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 22
Baltimore, Maryland · implied b. ~1908 — 5 household members
| Surname | Frank |
| Given Name | John G Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Proprietor |
| Industry | Machine Shop |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 33
Baltimore-City-County, Maryland · implied b. ~1907 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | France |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Ware House Man |
| Industry | Retail Department Store |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 988 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Frank across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father John Frank (~0.92 confidence) and mother Elizabeth Frank (~0.92 confidence) and father John Frank (~0.92 confidence) and mother Bertha Frank (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Frank
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Frank
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
John Frank
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Bertha Frank
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Frank
Son · 1930 · age 22 · b. ~1908 · Maryland
★ You are viewing this record
Sibling
Frank Frank
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leona Frank
Sibling · 1930 · age 21
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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
37 people indexed on this census page (ia:1930:15thcensus855unit:0689)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 54 | Mary M Evans | 46 | Boarder | Seamstress | Maryland |
| 55 | John G Frank | 51 | Head | Proprietor | Maryland |
| 56 | Bertha Frank | 48 | Wife | Proprietor | Maryland |
| 57 | John G Jr Frank THIS PERSON | 22 | Son | Proprietor | Maryland |
| 58 | Leona M Frank | 21 | Daughter | Secretary | Maryland |
| 59 | Frank J Frank | 17 | Son | Conductor | Maryland |
| 60 | Frank | 15 | Son | — | Maryland |
| 61 | Frank | 13 | Son | — | Maryland |
| 62 | Frank | 11 | Son | — | Maryland |
| 63 | Frank | 9 | Son | — | Maryland |
| 64 | Frank | 7 | Son | — | Maryland |
| 65 | Casper Petterson | 62 | Head | Proprietor | Maryland |
| 66 | Ida L Petterson | 64 | Sister | Proprietor | Maryland |
| 67 | James Carr | 40 | Head | Accountant | Free State |
| 68 | Carr | 38 | Wife | — | Irish Free State |
| 69 | Carr | 11 | Son | — | Irish Free State |
| 70 | Carr | 9 | Son | — | Irish Free State |
| 71 | Carr | 7 | Son | — | Irish Free State |
| 72 | Frank | 31 | Head | Bricklayer | Maryland |
| 73 | Frank | 29 | Wife | — | Maryland |
| 74 | Frank | 7 | Son | — | Maryland |
| 75 | Lennon Wolfsholter | 37 | Head | Practical Nurse | Virginia |
| 76 | Lillian Wolfsholter | 26 | Wife | Clerk | Maryland |
| 87 | Farkham | 54 | Head | Gentleman | Maryland |
| 88 | Amelia Farkham | 48 | Wife | — | Maryland |
| 89 | Farkham | 27 | Daughter | Typist | Maryland |
| 90 | Raymond E Beach | 23 | Head | Shoemaker | Maryland |
| 91 | Sarah E Beach | 23 | Wife | — | Pennsylvania |
| 92 | Raymond E Jr Beach | 0 | Son | — | Maryland |
| 93 | John H Sisk | 63 | Head | Deliveryman | Virginia |
| 94 | Alice S Sisk | 51 | Wife | — | Maryland |
| 95 | Charles Sisk | 21 | Son | Laborer | Maryland |
| 96 | Paul Tunn | 52 | Head | Teamster | Maryland |
| 97 | Tunn | 23 | Son | — | Maryland |
| 98 | Matilda Tunn | 16 | Daughter | Assembler | Maryland |
| 99 | Jesse C Blouse | 30 | Head | Chauffeur | Maryland |
| 100 | Myrtle E Blouse | 22 | Wife | — | Maryland |
Related Census Records
Pedigree Summary
John + 2 siblings
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)