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William Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dorchester-County, Maryland
Our Model Tree links this William Lewis across the 1920, 1930 and 1940 US Censuses in Dorchester-County, Maryland (XGBoost, ~Confirmed), with identified parents William & Effie — first a head (b.~1900), then head of a 3-person household.
Age 40
b. ~1900
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dorchester-County, Maryland |
| Surname | Lewis |
| Given Name | William R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Cambridge town |
| 1935 Residence (County) | Dorchester |
| Additional Details | |
| Occupation | Sailor |
| Industry | Freight boat |
| Class of Worker | PW |
| Income (1939) | 460 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Sailor |
| Township / Ward | Cambridge Town |
| Est. Birth Year | ~1900 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Lewis | Head | — | 40 | ~1900 |
| Robert Lewis | Son | — | 2 | ~1938 |
| Rosie Lewis | Spouse | — | 35 | ~1905 |
Census Appearances
1920
Dorchester, Maryland
Son, age 19
Dorchester, Maryland · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | William R. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Engineer |
| Industry | Power Boat |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Dorchester, Maryland
Son, age 29
Dorchester, Maryland · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | William R Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Sailor |
| Industry | Freighting |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Dorchester-County, Maryland
Head, age 40
Dorchester-County, Maryland · implied b. ~1900 — 3 household members
| Surname | Lewis |
| Given Name | William R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Cambridge town |
| 1935 Residence (County) | Dorchester |
| Occupation | Sailor |
| Industry | Freight boat |
| Class of Worker | PW |
| Income (1939) | 460 |
| Highest Grade | No 6 |
| 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 William Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Lewis (~0.92 confidence) and mother Effie Lewis (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Lewis
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Effie Lewis
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Lewis
Head · 1940 · age 40 · b. ~1900 · 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 — Dorchester-County, Maryland
Open full size
1940 US Federal Census — Dorchester-County, Maryland
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01547-00280)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edna W. B. Moore | 59 | Wife | — | Maryland |
| 2 | Mable C. Freeman | 41 | Head | Cashier | Maryland |
| 3 | Nettie D. Collins | 66 | Mother | — | Maryland |
| 4 | Nicholas Williams | 64 | Head | — | Maryland |
| 5 | Ethel R. Williams | 60 | Wife | — | Maryland |
| 6 | Helen S. Hicks | 52 | Head | — | Maryland |
| 7 | J. Richard Smith | 48 | Head | Agent | Maryland |
| 8 | Anita B. Smith | 37 | Wife | — | Virginia |
| 9 | Anita M. Smith | 11 | Daughter | — | Maryland |
| 10 | Richard L. Smith | 8 | Son | — | Maryland |
| 11 | Samuel Mills | 84 | Head | — | Maryland |
| 12 | M. Addie Mills | 68 | Wife | — | Maryland |
| 13 | Lee E. P. Noble | 62 | Head | Manager Owner | Maryland |
| 14 | Virginia C. Noble | 63 | Wife | — | Maryland |
| 15 | Harold D. Shriver | 29 | Head | Manager Men'S Clothing | Maryland |
| 16 | Mary N. B. Shriver | 21 | Wife | — | Maryland |
| 17 | John H. Mills | 82 | Head | — | Maryland |
| 18 | Mamie G. Mills | 70 | Wife | — | Maryland |
| 19 | Samuel L. Byrn | 75 | Head | Manager Of Farm And Dairy | Maryland |
| 20 | Olive R. Byrn | 54 | Wife | — | Massachusetts |
| 21 | William H. Byrn | 25 | Son | Assistant Supervisor | Maryland |
| 22 | Rosemary Byrn | 22 | Daughter | — | Maryland |
| 23 | H. Lee Phillips | 40 | Head | Stenographer | Maryland |
| 24 | A. Elizabeth Phillips | 32 | Partner | — | Maryland |
| 25 | Nadine S. Phillips | 45 | Housekeeper | Cashier | Maryland |
| 26 | William R. Lewis THIS PERSON | 40 | Head | Sailor | Maryland |
| 27 | Rosie W. Lewis | 35 | Wife | Bookkeeper | Maryland |
| 28 | Robert C. Lewis | 2 | Son | — | Maryland |
| 29 | Alfred R. Gordon | 28 | Head | Knitter | Pennsylvania |
| 30 | Robina Gordon | 25 | Wife | — | Scotland |
| 31 | A. Robert Gordon | 4 | Son | — | Pennsylvania |
| 32 | William Gordon | 2 | Son | — | — |
| 33 | Benjamin D. Singer | 28 | Head | Proprietor | Connecticut |
| 34 | Louise P. Singer | 28 | Wife | — | Florida |
| 35 | Donald P. Singer | 1 | Son | — | Pennsylvania |
| 36 | Charles R. Greer | 36 | Head | Doctor | Pennsylvania |
| 37 | Cleora P. Greer | 26 | Wife | — | Pennsylvania |
| 38 | Clarence E. Rieks | 48 | Head | President | New York |
| 39 | Julia M. Rieks | 46 | Wife | — | New York |
Pedigree Summary
William
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)