JJ
Julia Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Julia Johnson across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 6-person household.
Age 52
b. ~1888
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Johnson |
| Given Name | Julia I. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Catonsville (pt) |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | No No No No H |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 9 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | No No No No H |
| Township / Ward | Catonsville Pt |
| Est. Birth Year | ~1888 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Julia | Age | Birth yr |
|---|---|---|---|---|
| D Johnson | Daughter | — | 20 | ~1920 |
| Edwin Johnson | Head | — | 53 | ~1887 |
| Edwin Johnson | Other | — | 4 | ~1936 |
| Cora Johnson | Other | — | 25 | ~1915 |
| Edwin Johnson | Son | — | 27 | ~1913 |
| Julia Johnson | Spouse | — | 52 | ~1888 |
Census Appearances
Spouse, age 32
Baltimore, Maryland · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Jessie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Spouse, age 42
Baltimore, Maryland · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Julia J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Spouse, age 52
Baltimore-County, Maryland · implied b. ~1888 — 6 household members
| Surname | Johnson |
| Given Name | Julia I. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Catonsville (pt) |
| 1935 Residence (County) | Baltimore |
| Occupation | No No No No H |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 9 |
| 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 Julia 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
Julia Johnson
Spouse · 1940 · age 52 · b. ~1888 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01503-00264)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Beddington William J Smith | 25 | Head | Extra Line | Massachusetts |
| 2 | Howard J. Massey | 70 | Head | No No No No U | Maryland |
| 3 | Mary E. Massey | 68 | Wife | No No No No H | West Virginia |
| 4 | Thomas H. Jones | 62 | Head | Office Clerk | Maryland |
| 5 | Mary E. Jones | 58 | Wife | No No No No H | Maryland |
| 6 | Thomas H. Jones | 30 | Son | Salesman | Maryland |
| 7 | Thomas H Jones | 27 | Son | Salesman | Maryland |
| 8 | Virginia A. Jones | 22 | Daughter | Office Assistant | Maryland |
| 9 | Helen Hancock | 34 | Daughter | Adjustment Clerk | Maryland |
| 10 | Delano Hancock | 13 | Grand-son | — | Maryland |
| 11 | Mary C. White | 24 | Daughter | No No No Yes - | Maryland |
| 12 | Charles J. Schultheis | 56 | Head | Office Assistant | Maryland |
| 13 | Nora L. Schultheis | 49 | Wife | Attendant | Maryland |
| 14 | Edwin M. Johnson | 53 | Head | Salesman | Maryland |
| 15 | Julia I. Johnson THIS PERSON | 52 | Wife | No No No No H | Maryland |
| 16 | D. Inez Johnson | 20 | Daughter | General Secretary | Maryland |
| 17 | Edwin M., Jr. Johnson | 27 | Son | General Office Worker | Maryland |
| 18 | Cora B. Johnson | 25 | Daughter-in-law | Saleslady | Maryland |
| 19 | Edwin Boake Johnson | 4 | Grand-son | — | Maryland |
| 20 | J. Harry Gruver | 55 | Head | Theatre Operator | Maryland |
| 21 | Edna Gruver | 54 | Wife | No No No No H | Maryland |
| 22 | Anne Gruver | 23 | Daughter | No No No No H | Maryland |
| 23 | J. Robert Gruver | 19 | Son | No No No No S | Maryland |
| 24 | Margaret Carey | 65 | Aunt | No No No No H | Maryland |
| 25 | Alfred Ahern | 27 | Head | Shoe Merchandiser | Maryland |
| 26 | Julia C. Ahern | 26 | Wife | No No No No H | Maryland |
| 27 | Patricia A. Ahern | 4 | Daughter | — | Maryland |
| 28 | Walter M. Stall | 29 | Head | Brick Mason | Maryland |
| 29 | Dorothy T. Stall | 28 | Wife | No No No No H | Maryland |
| 30 | John J. Rowe | 54 | Head | Regional Counsel | North Carolina |
| 31 | Harriet B. Rowe | 52 | Wife | No No No No H | Maryland |
| 32 | James H. Rowe | 23 | Son | Salesman | Maryland |
| 33 | William T. Rowe | 17 | Son | No No No No S | Maryland |
| 34 | Jesse J. Chamberlain | 57 | Head | Electric Line Foreman | Maryland |
| 35 | Fannie A. Chamberlain | 55 | Wife | No No No No H | Maryland |
| 36 | Bertha Carr | 47 | Head | Account Clerk | Maryland |
| 37 | Charles T. Davis | 24 | Head | Payroll Clerk | Maryland |
| 38 | Rena H. Davis | 21 | Wife | No No No No H | Maryland |
| 39 | Charles W. Davis | 57 | Head | Paper Carrier | Maryland |
| 40 | Cora E. Davis | 32 | Daughter | Office Manager | 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)