FJ
Frank Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Frank Johnson across the 1900, 1910, 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 10-person household.
Age 60
b. ~1870
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Johnson |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 25 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1870 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Mildred Johnson | Daughter | — | 15 | ~1915 |
| Alice Johnson | Daughter | — | 12 | ~1918 |
| Dorothy Johnson | Daughter | — | 5 | ~1925 |
| Frank Johnson | Head | — | 60 | ~1870 |
| James Johnson | Son | — | 8 | ~1922 |
| Frank Johnson | Son | — | 19 | ~1911 |
| Arthur Johnson | Son | — | 2 | ~1928 |
| William Johnson | Son | — | 10 | ~1920 |
| Walter Johnson | Son | — | 17 | ~1913 |
| Annie Johnson | Spouse | — | 54 | ~1876 |
Census Appearances
1900
Baltimore, Maryland
Head, age 25
Baltimore, Maryland · implied b. ~1875 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Maryland |
| Birth Month | Jan |
| Birth Year | 1875 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Baltimore, Maryland
Head, age 40
Baltimore, Maryland · implied b. ~1870 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| Years Married | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Farm |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Head, age 50
Baltimore, Maryland · implied b. ~1870 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Construction |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 60
Baltimore, Maryland · implied b. ~1870 — 10 household members
| Surname | Johnson |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 25 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| 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 Frank Johnson across 4 US Census years (1900, 1910, 1920 and 1930) in Baltimore, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Johnson
Head · 1930 · age 60 · b. ~1870 · Maryland
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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
50 people indexed on this census page (ia:1930:15thcensus863unit:0563)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harry Roach | 12 | Son | — | Maryland |
| 52 | Alice Roach | 10 | Daughter | — | Maryland |
| 53 | Robert Gompf | 41 | Head | Salesman | Maryland |
| 54 | Thelma Gompf | 24 | Daughter | Saleslady | Maryland |
| 55 | William Gompf | 23 | Son | — | Maryland |
| 56 | Mildred Gompf | 22 | Daughter | — | Maryland |
| 57 | Nicholas H Volkert | 45 | Head | Printer | Maryland |
| 58 | Hattie Volkert | 40 | Wife | — | Maryland |
| 59 | Alice Volkert | 17 | Daughter | — | Maryland |
| 60 | John Hayward | 24 | Head | Chauffeur | Maryland |
| 61 | Thelma Hayward | 22 | Wife | — | Maryland |
| 62 | Henry Sparrow | 25 | Head | Printer | Maryland |
| 63 | Marie Sparrow | 20 | Wife | — | Maryland |
| 64 | Dorothy Sparrow | 2 | Daughter | — | Maryland |
| 65 | Arthur Sparrow | 1 | Son | — | Maryland |
| 66 | Katie Schupp | 53 | Head | — | Maryland |
| 67 | Francis Mcguire | 55 | Head | Officer | Maryland |
| 68 | Mary Mcguire | 45 | Wife | — | Maryland |
| 69 | Francis Mcguire | 23 | Son | Clerk | Maryland |
| 70 | Robert Mcguire | 18 | Son | Packer | Maryland |
| 71 | Ellen Mcguire | 15 | Daughter | — | Maryland |
| 72 | Frank Johnson THIS PERSON | 60 | Head | — | Maryland |
| 73 | Annie Johnson | 54 | Wife | — | Maryland |
| 74 | Frank Johnson | 19 | Son | Clerk | Maryland |
| 75 | Walter Johnson | 17 | Son | — | Maryland |
| 76 | Mildred Johnson | 15 | Daughter | — | Maryland |
| 77 | Alice Johnson | 12 | Daughter | — | Maryland |
| 78 | William Johnson | 10 | Son | — | Maryland |
| 79 | James Johnson | 8 | Son | — | Maryland |
| 80 | Dorothy Johnson | 5 | Daughter | — | Maryland |
| 81 | Arthur Johnson | 2 | Son | — | Maryland |
| 82 | John Donkley | 25 | Head | — | Maryland |
| 83 | Emma Donkley | 24 | Wife | — | Maryland |
| 84 | Mary Donkley | 4 | Daughter | — | Maryland |
| 85 | John Donkley | 1 | Son | — | Maryland |
| 86 | Richard Donkley | 0 | Son | — | Maryland |
| 87 | George Marks | 62 | Head | — | New York |
| 88 | Sarah Marks | 61 | Wife | — | Maryland |
| 89 | Edith Marks | 24 | Daughter | Saleslady | Maryland |
| 90 | Ruby Marks | 22 | Daughter | Stenographer | Maryland |
| 91 | Anna Marks | 18 | Son | Clerk | Maryland |
| 92 | Salma Marks | 15 | Daughter | — | Maryland |
| 93 | Solomon Marks | 21 | Head | Proprietor | Maryland |
| 94 | Anna Marks | 20 | Wife | — | New York |
| 95 | George Quick | 50 | Head | Merchant | Maryland |
| 96 | Catherine Quick | 50 | Wife | — | Maryland |
| 97 | Thomas Molitor | 35 | Head | Weaver | New Jersey |
| 98 | Daisy Molitor | 31 | Wife | — | Maryland |
| 99 | Lois Molitor | 8 | Daughter | — | Maryland |
| 100 | Joseph Molitor | 7 | Son | — | Maryland |
Related Census Records
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)