RJ
Rosa Johnson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Rosa Johnson across the 1910 and 1920 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 10-person household.
Age 12
b. ~1908
Female
Daughter
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Baltimore, Maryland |
| Surname | Johnson |
| Given Name | Rosa |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | 3Rd Precinct 14Th District |
| 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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Rosa | Age | Birth yr |
|---|---|---|---|---|
| Margaret Johnson | Daughter | — | 20 | ~1900 |
| Rosa Johnson | Daughter | — | 12 | ~1908 |
| Lillian Johnson | Daughter | — | 17 | ~1903 |
| Harry Johnson | Head | — | 44 | ~1876 |
| Thomas Johnson | Son | — | 3 | ~1917 |
| Charles Johnson | Son | — | 4 | ~1916 |
| Howard Johnson | Son | — | 15 | ~1905 |
| George Johnson | Son | — | 9 | ~1911 |
| Isaiah Johnson | Son | — | 7 | ~1913 |
| William Johnson | Son | — | 25 | ~1895 |
Census Appearances
1910
Baltimore, Maryland
Daughter, age 3
Baltimore, Maryland · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Rosa B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Daughter, age 12
Baltimore, Maryland · implied b. ~1908 — 10 household members
| Surname | Johnson |
| Given Name | Rosa |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Virginia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Rosa Johnson across 2 US Census years (1910 and 1920) in Baltimore, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Rosa Johnson
Daughter · 1920 · age 12 · b. ~1908 · Maryland
★ You are viewing this record
Sibling
George Johnson
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Johnson
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isaiah Johnson
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Johnson
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Johnson
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Johnson
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Johnson
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Johnson
Sibling · 1920 · age 25
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
1920 US Federal Census — Baltimore, Maryland
Open full size
1920 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu655unit:0777)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Raymond | 1 | Son | — | Maryland |
| 52 | Charles Royahn | 45 | Head | Brick Maker | Maryland |
| 53 | Elizabeth Royahn | 43 | Wife | — | Maryland |
| 54 | Anna Royahn | 13 | Daughter | — | Maryland |
| 55 | William Royahn | 8 | Son | — | Maryland |
| 56 | Fred Arder | 50 | Head | Seal Maker | Germany |
| 57 | Carrie Arder | 60 | Wife | — | Germany |
| 58 | Ernest Provitt | 49 | Head | Trucker | Maryland |
| 59 | Harry H Johnson | 44 | Head | — | Virginia |
| 60 | William E Johnson | 25 | Son | Laborer | Maryland |
| 61 | Margaret Johnson | 20 | Daughter | Waitress | Maryland |
| 62 | Lillian Johnson | 17 | Daughter | — | Maryland |
| 63 | Howard Johnson | 15 | Son | — | Maryland |
| 64 | Rosa Johnson THIS PERSON | 12 | Daughter | — | Maryland |
| 65 | George Johnson | 9 | Son | — | Maryland |
| 66 | Isaiah Johnson | 7 | Son | — | Maryland |
| 67 | Charles Johnson | 4 | Son | — | Maryland |
| 68 | Thomas Johnson | 3 | Son | — | Maryland |
| 69 | C. Ross Mack | 51 | Head | Attorney | Maryland |
| 70 | Susan N Mack | 50 | Wife | — | Maryland |
| 71 | Rebecca N Mack | 24 | Daughter | Bookkeeper | Maryland |
| 72 | Samuel N Mack | 22 | Son | Mariner | Maryland |
| 73 | Viers C Mack | 19 | Son | — | Maryland |
| 74 | Howell H Mack | 17 | Son | — | Maryland |
| 75 | Peter T Mack | 13 | Son | — | Maryland |
| 76 | Charles H Mack | 10 | Son | — | Maryland |
| 77 | Donald H Mack | 9 | Son | — | Maryland |
| 78 | Charles Slater | 39 | Head | Ironworker | Maryland |
| 79 | Bertha M Slater | 38 | Wife | — | Maryland |
| 80 | Marie Slater | 14 | Daughter | — | Maryland |
| 81 | Bernard Slater | 13 | Son | — | Maryland |
| 82 | Carville J Maas | 48 | Head | Supervision Officer | Maryland |
| 83 | Lucy Maas | 30 | Wife | — | Maryland |
| 84 | Carville J Maas | 2 | Son | — | Maryland |
| 85 | Albert J Maas | 1 | Son | — | Maryland |
| 86 | Henry J Maas | 51 | Head | Contractor | Maryland |
| 87 | Margaret A Maas | 49 | Wife | — | Maryland |
| 88 | Edward F Maas | 25 | Son | Electrician | Maryland |
| 89 | Henry J Jr Maas | 21 | Son | Clerk | Maryland |
| 90 | Bernard F Maas | 20 | Son | Clerk | Maryland |
| 91 | Mary E Maas | 18 | Daughter | Milliner | Maryland |
| 92 | John R Maas | 14 | Son | — | Maryland |
| 93 | Agnes Maas | 12 | Daughter | — | Maryland |
| 94 | Ruth Maas | 10 | Daughter | — | Maryland |
| 95 | Max Scholl | 45 | Head | Mail Carrier | Maryland |
| 96 | Elizabeth Scholl | 31 | Wife | — | Germany |
| 97 | Harry Scholl | 10 | Son | — | Maryland |
| 98 | Gertrude A Scholl | 10 | Daughter | — | Maryland |
| 99 | Emile Scholl | 9 | Son | — | Maryland |
| 100 | Selma Scholl | 4 | Daughter | — | Maryland |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)