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Ida Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Ida Johnson across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1882), then head of a 5-person household.
Age 58
b. ~1882
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Johnson |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1882 |
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 1940 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Ruth Johnson | Daughter | — | 2 | ~1938 |
| Arthur Johnson | Head | — | 58 | ~1882 |
| Arthur Johnson | Son | — | 30 | ~1910 |
| Ida Johnson | Spouse | — | 58 | ~1882 |
| Mary Johnson | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Baltimore, Maryland
Other, age 40
Baltimore, Maryland · implied b. ~1880 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ida |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Other, age 48
Baltimore, Maryland · implied b. ~1882 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ida |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Spouse, age 58
Baltimore-City-County, Maryland · implied b. ~1882 — 5 household members
| Surname | Johnson |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | No 6 |
| 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 Ida Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Ida Johnson
Spouse · 1940 · age 58 · b. ~1882 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01527-00113)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James T. Gross | 16 | Head | — | Maryland |
| 2 | Ella Rice | 51 | Lodger | Maid | Maryland |
| 3 | Leon Hill | 32 | Lodger | Chauffeur | Maryland |
| 4 | Katie Hill | 31 | Lodger | Maid | Maryland |
| 5 | Ervin Scribner | 50 | Head | Janitor | Maryland |
| 6 | Ervin Jr. Scribner | 16 | Son | — | Maryland |
| 7 | Norman Scribner | 14 | Son | — | Maryland |
| 8 | Arthur Scribner | 12 | Son | — | Maryland |
| 9 | John Scribner | 10 | Son | — | Maryland |
| 10 | Martha Woodfolk | 66 | Sister | — | Maryland |
| 11 | Alonzo Hicks | 34 | Lodger | Cook | Virginia |
| 12 | Ernest Diaz | 33 | Head | Contractor | Porto Rico |
| 13 | Evelyn Diaz | 32 | Wife | — | Baltimore |
| 14 | Andrew Jackson | 35 | Head | Chauffeur | Maryland |
| 15 | Sarah Jackson | 57 | Mother | — | Maryland |
| 16 | Alfonso Lowe | 35 | Lodger | Contractor | Cuba |
| 17 | Rachel Johnson | 65 | Head | — | Maryland |
| 18 | Arthur S. Johnson | 58 | Head | Postal Carrier | Maryland |
| 19 | Ida Johnson THIS PERSON | 58 | Wife | — | Maryland |
| 20 | Arthur Jr. Johnson | 30 | Son | Porter | Maryland |
| 21 | Mary F. Johnson | 26 | Wife | — | Maryland |
| 22 | Ruth Johnson | 2 | Daughter | — | Maryland |
| 23 | Clarence Rice | 39 | Head | Clerk | Maryland |
| 24 | Violet Rice | 35 | Wife | — | Maryland |
| 25 | Rebecca Rice | 12 | Daughter | — | Maryland |
| 26 | Elmer Rice | 12 | Son | — | Maryland |
| 27 | Albert Rice | 10 | Son | — | Maryland |
| 28 | Marie Rice | 8 | Daughter | — | Maryland |
| 29 | Theodore Rice | 6 | Son | — | Maryland |
| 30 | Leonard Rice | 2 | Son | — | Maryland |
| 31 | Sarah Rice | 64 | Mother | Housework | Maryland |
| 32 | Joseph Owens | 57 | Head | Laborer | South Carolina |
| 33 | Naomi Owens | 57 | Wife | Housework | South Carolina |
| 34 | Warren Sample | 35 | Brother in law | — | South Carolina |
| 35 | Harry J. Dowdy | 44 | Head | Stone Keeper | Maryland |
| 36 | Albert Johnson | 55 | Head | Waiter | Maryland |
| 37 | Ruth Johnson | 58 | Wife | — | Maryland |
| 38 | Calvin Atkins | 24 | Head | Laborer | Virginia |
| 39 | Marie Atkins | 23 | Wife | — | Maryland |
| 40 | Mamie M. Atkins | 4 | Daughter | — | Maryland |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)