JL
John Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Worcester-County, Maryland
Our Model Tree links this John Lewis across the 1920, 1930 and 1940 US Censuses in Worcester-County, Maryland (XGBoost, ~Confirmed), with identified parents Thomas & Stella — first a son (b.~1916), then head of a 2-person household.
Age 24
b. ~1916
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Maryland |
| Surname | Lewis |
| Given Name | John M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 9 |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road construction |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 226 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Election District 9 |
| Est. Birth Year | ~1916 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Stella Lewis | Head | — | 41 | ~1899 |
| John Lewis | Son | — | 24 | ~1916 |
Census Appearances
1920
Worcester, Maryland
Son, age 5
Worcester, Maryland · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | John M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Worcester, Maryland
Son, age 15
Worcester, Maryland · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Worcester-County, Maryland
Son, age 24
Worcester-County, Maryland · implied b. ~1916 — 2 household members
| Surname | Lewis |
| Given Name | John M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 9 |
| 1935 Residence (County) | Worcester |
| Occupation | Laborer |
| Industry | Road construction |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 226 |
| Highest Grade | No 7 |
| 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 Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Lewis (~0.92 confidence) and mother Stella Lewis (~0.92 confidence) and mother Stella Lewis (~0.92 confidence) and mother Stella Lewis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Lewis
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Stella Lewis
b. ~1899
Source mother
● Household
· direct · ~0.92
Mother
Stella Lewis
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Stella Lewis
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Lewis
Son · 1940 · age 24 · b. ~1916 · 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 — Worcester-County, Maryland
Open full size
1940 US Federal Census — Worcester-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01564-00517)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sadie H Powell | 64 | Head | — | Maryland |
| 42 | Stella R Lewis | 41 | Head | — | Maryland |
| 43 | John M Lewis THIS PERSON | 24 | Son | Laborer | Maryland |
| 44 | Charles J Timmons | 57 | Head | Laborer | Maryland |
| 45 | Idella Timmons | 42 | Wife | Seamstress | Maryland |
| 46 | Peter L Tull | 67 | Head | Janitor | Maryland |
| 47 | Mary J Tull | 66 | Wife | — | Maryland |
| 48 | Norman L Ellis | 30 | Head | Principal | Maryland |
| 49 | Dolly H Ellis | 26 | Wife | — | Maryland |
| 50 | Ronald J Ellis | 5 | Son | — | Maryland |
| 51 | Helen May Ellis | 2 | Daughter | — | Maryland |
| 52 | Zadock Evans | 48 | Head | Farmer | Maryland |
| 53 | May Evans | 46 | Wife | — | Maryland |
| 54 | Ruth M Evans | 13 | Daughter | — | Maryland |
| 55 | Della Evans | 9 | Daughter | — | Maryland |
| 56 | Adolphus B Parsons | 57 | Uncle | Laborer | Maryland |
| 57 | Isaac R Jarman | 65 | Head | Farmer | Maryland |
| 58 | Sarah E Jarman | 62 | Wife | — | Maryland |
| 59 | Dolly Venable | 43 | Lodger | Laborer | Maryland |
| 60 | George Venable | 24 | Lodger | Laborer | Maryland |
| 61 | Isaiah Armstrong | 27 | Head | Laborer | Maryland |
| 62 | Margaret R Armstrong | 24 | Wife | Laborer | Maryland |
| 63 | Nancy B Lewis | 74 | Head | — | Maryland |
| 64 | Florence M Lewis | 48 | Daughter | — | Maryland |
| 65 | Casher Hudson | 57 | Head | Carpenter | Maryland |
| 66 | William H Taylor | 37 | Head | Truck Driver | Maryland |
| 67 | Annie D Taylor | 32 | Wife | — | Maryland |
| 68 | Elizabeth S Taylor | 5 | Daughter | — | Maryland |
| 69 | Dorothy J Taylor | 4 | Daughter | — | Maryland |
| 70 | James S Hudson | 67 | Head | Laborer | Maryland |
| 71 | Stacy Mimbrow | 81 | Head | Operator | Maryland |
| 72 | Beulah K Mimbrow | 64 | Wife | — | Maryland |
| 73 | Edwin R Mimbrow | 40 | Son | Operator | Maryland |
| 74 | Laura B Mimbrow | 36 | Daughter-in-law | — | Maryland |
| 75 | Robert E Mimbrow | 14 | Grandson | — | Pennsylvania |
| 76 | William B Mimbrow | 12 | Grandson | — | Maryland |
| 77 | Thomas S Mimbrow | 5 | Grandson | — | Maryland |
| 78 | Bruce E Davis | 25 | Head | Seamstress | Maryland |
| 79 | Paul D Davis | 5 | Son | — | Maryland |
| 80 | Charles H Davis | 2 | Son | — | Maryland |
Pedigree Summary
John
Gen 1 · 4 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)