LJ
Louise Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Louise Johnson across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Annie & George — first a daughter (b.~1902), then head of a 5-person household.
Age 38
b. ~1902
Female
Daughter
Born: Maryland
Married
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 | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Presser |
| Industry | Shirt Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Presser |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1902 |
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 Louise | Age | Birth yr |
|---|---|---|---|---|
| Louise Johnson | Daughter | — | 38 | ~1902 |
| Violet Nourse | Daughter | — | 18 | ~1922 |
| George Nourse | Head | — | 63 | ~1877 |
| George Nourse | Son | — | 26 | ~1914 |
| Annie Nourse | Spouse | — | 63 | ~1877 |
Census Appearances
1920
X, Maryland
Other, age 19
X, Maryland · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Louise |
| Relationship to Head | Roomer |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Servant |
| Industry | Private Family |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Other, age 29
Baltimore, Maryland · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Louise |
| Relationship to Head | Roomer |
| Sex | F |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Presser |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 38
Baltimore-City-County, Maryland · implied b. ~1902 — 5 household members
| Surname | Johnson |
| Given Name | Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Presser |
| Industry | Shirt Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| 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 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Annie Nourse (~0.92 confidence) and father George Nourse (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Annie Nourse
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
George Nourse
b. ~1877
Source father
● Household
· direct · ~0.92
This person
Anchor record
Louise Johnson
Daughter · 1940 · age 38 · b. ~1902 · Maryland
★ You are viewing this record
Sibling
Violet Nourse
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Nourse
Sibling · 1940 · age 26
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-t0627-01512-00824)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Viola Jackson | 2 | Daughter | — | Maryland |
| 42 | Chester Macklin | 22 | Boarder | Unskilled Labor | Virginia |
| 43 | Elliott Hardin | 48 | Lodger | Unskilled Labor | North Carolina |
| 44 | Ollie Hardin | 36 | Lodger | — | South Carolina |
| 45 | James Hamelin | 31 | Head | Pipe Grinder | Virginia |
| 46 | Magnolia Hamelin | 25 | Wife | — | Virginia |
| 47 | Al Hamelin | 8 | Daughter | — | Virginia |
| 48 | Sylvia Lee Hamelin | 7 | Daughter | — | Virginia |
| 49 | Dorothy May Hamelin | 6 | Daughter | — | Virginia |
| 50 | George Hamelin | 4 | Son | — | Virginia |
| 51 | Mary Young | 45 | Head | Seamstress | Maryland |
| 52 | William Young | 12 | Son | — | Maryland |
| 53 | Florence Simpson | 58 | Sister | — | Maryland |
| 54 | Alexander Jefferson | 22 | Head | Brick Carrier | Maryland |
| 55 | Charles E. Jefferson | 16 | Brother | Pin Boy | Maryland |
| 56 | Mary F. Chase | 17 | Niece | New Maker | Maryland |
| 57 | Robert Hamlin | 26 | Head | Unskilled Labor | Virginia |
| 58 | Georgia Hamlin | 22 | Wife | — | Virginia |
| 59 | Joyce Hamlin | 4 | Daughter | — | Virginia |
| 60 | Robert Hamlin | 2 | Son | — | Virginia |
| 61 | James Johnson | 57 | Head | — | North Carolina |
| 62 | Doris Johnson | 12 | Daughter | — | Maryland |
| 63 | John Elder | 31 | Head | Unskilled Labor | Virginia |
| 64 | Rosie Elder | 29 | Wife | Maid | Virginia |
| 65 | John Vassel | 49 | Head | Unskilled Labor | Virginia |
| 66 | Mary Vassel | 47 | Wife | Cook | North Carolina |
| 67 | Charles Williams | 33 | Boarder | Musician | Maryland |
| 68 | George W. Sampson | 62 | Lodger | — | Maryland |
| 69 | Morris Roberts | 36 | Head | Press | Virginia |
| 70 | Mary Roberts | 30 | Wife | — | Virginia |
| 71 | Bertha Bragg | 50 | Lodger | — | Virginia |
| 72 | Extra Line | None | — | — | — |
| 73 | George Nourse | 63 | Head | Unskilled Labor | Maryland |
| 74 | Annie Nourse | 63 | Wife | Servant | Maryland |
| 75 | Louise Johnson THIS PERSON | 38 | Daughter | Presser | Maryland |
| 76 | George Jr. Nourse | 26 | Son | Brick Carrier | Maryland |
| 77 | Violet Nourse | 18 | Daughter | Servant | Maryland |
| 78 | Joseph Thornberry | 51 | Head | Unskilled Labor | Virginia |
| 79 | Carrie Thornberry | 55 | Wife | — | Virginia |
| 80 | Nathaniel Brooks | 29 | Daughter | Servant | Virginia |
Pedigree Summary
Louise + 2 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)