LJ
Louise Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Louise Johnson across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 12-person household.
Age 12
b. ~1928
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Johnson |
| Given Name | Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1928 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louise | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Green | Daughter | — | 20 | ~1920 |
| Louise Johnson | Daughter | — | 12 | ~1928 |
| Gloria Johnson | Daughter | — | 6 | ~1934 |
| Lola Johnson | Daughter | — | 8 | ~1932 |
| Esther Johnson | Daughter | — | 14 | ~1926 |
| Edward Johnson | Head | — | 41 | ~1899 |
| Charles Green | Other | — | 20 | ~1920 |
| Douglass Johnson | Son | — | ~1940 | |
| Sherman Johnson | Son | — | 2 | ~1938 |
| Charles Johnson | Son | — | 18 | ~1922 |
| Louis Johnson | Son | — | 10 | ~1930 |
| Emma Johnson | Spouse | — | 42 | ~1898 |
Census Appearances
Daughter, age 2
Baltimore, Maryland · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 12
Baltimore-City-County, Maryland · implied b. ~1928 — 12 household members
| Surname | Johnson |
| Given Name | Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | No 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 Louise Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Louise Johnson
Daughter · 1940 · age 12 · b. ~1928 · Maryland
★ You are viewing this record
Sibling
Sherman Johnson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Green
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esther Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Douglass Johnson
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Johnson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gloria Johnson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lola Johnson
Sibling · 1940 · age 8
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
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-t0627-01529-00108)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Le Roe Dorsey | 4 | Grand Daughter | — | Maryland |
| 42 | Melvin Thomas | 10 | Son | — | Maryland |
| 43 | Noreen Watkins | 25 | Niece | — | Maryland |
| 44 | Doris Willis | 10 | Niece | — | Maryland |
| 45 | Alexander Mason | 45 | Lodger | Laborer | N. Carolina |
| 46 | Margaret Carter | 27 | Lodger | Housemaid | Maryland |
| 47 | Edward Johnson | 41 | Head | Laborer | Virginia |
| 48 | Emma Johnson | 42 | Wife | — | Virginia |
| 49 | Charles Johnson | 18 | Son | New Worker | Maryland |
| 50 | Esther Johnson | 14 | Daughter | — | Maryland |
| 51 | Louise Johnson THIS PERSON | 12 | Daughter | — | Maryland |
| 52 | Louis Johnson | 10 | Son | — | Maryland |
| 53 | Lola Johnson | 8 | Daughter | — | Maryland |
| 54 | Gloria Johnson | 6 | Daughter | — | Maryland |
| 55 | Sherman Johnson | 2 | Son | — | Maryland |
| 56 | Douglass Johnson | 0 | Son | — | Maryland |
| 57 | Dorothy Green | 20 | Daughter | — | Virginia |
| 58 | Charles Green | 20 | Son-in-law | — | Maryland |
| 59 | Jennie Murphy | 44 | Head | Cook | Maryland |
| 60 | Jennie Murphy | 24 | Daughter | Teacher | Maryland |
| 61 | Thomas E. Nelson | 39 | Lodger | Seaman | B.W.I. |
| 62 | Moses Castor | 40 | Lodger | Oyster Shucker | Virginia |
| 63 | Frank Goodman | 37 | Head | Laborer | S. Carolina |
| 64 | Geneva Goodman | 36 | Wife | — | S. Carolina |
| 65 | Lillie May Goodman | 16 | Daughter | Housemaid | S. Carolina |
| 66 | James F. Goodman | 10 | Son | — | S. Carolina |
| 67 | Virginia M. Goodman | 7 | Daughter | — | S. Carolina |
| 68 | Carrie B. Goodman | 4 | Daughter | — | S. Carolina |
| 69 | Philip L. Goodman | 1 | Son | — | Maryland |
| 70 | Henry Jones | 26 | Brother-in-law | Laborer | South Carolina |
| 71 | Thomas Rose | 35 | Lodger | Laborer | S. Carolina |
| 72 | Lorna Hawkins | 60 | Head | — | Maryland |
| 73 | Erva Clayton | 27 | Grand Daughter | Housemaid | Maryland |
| 74 | Herman Clayton | 8 | Grand Son | — | Maryland |
| 75 | Donald Clayton | 0 | Great Grand Son | — | Maryland |
| 76 | Ida Mason | 43 | Head | — | Virginia |
| 77 | James Mason | 26 | Son | Porter | Virginia |
| 78 | Julia Lee | 40 | Lodger | Housemaid | Virginia |
| 79 | Samuel Carter | 37 | Lodger | Laborer | Virginia |
| 80 | Alton Carter | 19 | Lodger's Son | — | Virginia |
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)