JW
John Wilson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this John Wilson across the 1910, 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Wilson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Hairdresser |
| Industry | Beauty Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Hairdresser |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1909 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Wilson | Head | — | 58 | ~1882 |
| John Wilson | Son | — | 31 | ~1909 |
| Barbara Wilson | Spouse | — | 52 | ~1888 |
Census Appearances
1910
Baltimore, Maryland
Son, age 1
Baltimore, Maryland · implied b. ~1909 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
X, Maryland
Son, age 11
X, Maryland · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 21
Baltimore, Maryland · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Mechanic |
| Industry | Automobile |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 31
Baltimore-City-County, Maryland · implied b. ~1909 — 3 household members
| Surname | Wilson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Hairdresser |
| Industry | Beauty Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | Hs 4 |
| 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 John Wilson across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father John Wilson (~0.92 confidence) and father John Wilson (~0.92 confidence) and father Samuel Wilson (~0.92 confidence) and mother Etha Wilson (~0.92 confidence) and mother Lillian Wilson (~0.92 confidence) and mother Barbara Wilson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Wilson
b. ~1885
Source father
● Household
· direct · ~0.92
Father
John Wilson
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Samuel Wilson
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Etha Wilson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Lillian Wilson
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Barbara Wilson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Wilson
Son · 1940 · age 31 · b. ~1909 · 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-t0627-01536-00425)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Andrew B. Dawson | 57 | Head | Switchman | Maryland |
| 42 | Hannah C. Dawson | 51 | Wife | — | Maryland |
| 43 | William Calvert | 34 | Head | Painter | Maryland |
| 44 | Blanche E. Calvert | 33 | Wife | — | Maryland |
| 45 | Blanche E. Calvert | 7 | Daughter | — | Maryland |
| 46 | William Vance | 37 | Head | Machinist | Maryland |
| 47 | Marguerite E. Vance | 34 | Wife | — | Maryland |
| 48 | Shirley M. Vance | 13 | Daughter | — | Maryland |
| 49 | William Vance | 2 | Son | — | Maryland |
| 50 | Emma J. Baker | 71 | Mother-in-law | — | Maryland |
| 51 | George W. Sewell | 60 | Head | Fireman | Maryland |
| 52 | Nettie E. Sewell | 64 | Wife | — | Germany |
| 53 | Margaret Harman | 75 | Head | — | Maryland |
| 54 | Stella E. Harman | 49 | Daughter | Operator | Maryland |
| 55 | William P. Young | 55 | Lodger | Carpenter | Maryland |
| 56 | John H. Wilson | 58 | Head | — | Maryland |
| 57 | Barbara Wilson | 52 | Wife | — | Maryland |
| 58 | John Wilson THIS PERSON | 31 | Son | Hairdresser | Maryland |
| 59 | Bernhard M. List | 46 | Head | Pharmacist | Michigan |
| 60 | Mary M. List | 43 | Wife | Machinist | Maryland |
| 61 | Bernhard H. List | 12 | Son | — | Maryland |
| 62 | William F. List | 9 | Son | — | Maryland |
| 63 | Betty May List | 7 | Daughter | — | Maryland |
| 64 | Charles J. Nocar | 29 | Head | Machinist | Maryland |
| 65 | Helen E. Nocar | 28 | Wife | — | Pennsylvania |
| 66 | Geraldine M. Nocar | 4 | Daughter | — | Maryland |
| 67 | Frank Stanasz | 55 | Lodger | — | Poland |
| 68 | Edward Wojcieski | 26 | Head | Laborer | Illinois |
| 69 | Catherine Wojcieski | 24 | Wife | Typist | Maryland |
| 70 | Robert Hood | 47 | Head | Brakeman | Maryland |
| 71 | Agnes E. Hood | 44 | Wife | — | Maryland |
| 72 | Robert E. Hood | 15 | Son | — | Maryland |
| 73 | Zigmunt Chameski | 42 | Head | Pipe Fitter | Maryland |
| 74 | Lida Chameski | 38 | Wife | — | Maryland |
| 75 | Edmund J. Chameski | 16 | Son | — | Maryland |
| 76 | William Lehron | 62 | Head | — | Germany |
| 77 | Anna A. Lehron | 62 | Wife | — | Germany |
| 78 | Emma D. Smith | 74 | Head | — | Germany |
| 79 | Harold W. Edwards | 22 | Head | Gas Fitter | Maryland |
| 80 | Edwards | 22 | Wife | — | Maryland |
Pedigree Summary
John
Gen 1 · 6 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)