EL
Earl Lewis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Earl Lewis across the 1920, 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Ralph & William — first a son (b.~1912), then head of a 10-person household.
Age 18
b. ~1912
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Lewis |
| Given Name | Earl D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Bobbin boy |
| Industry | Cotton mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Bobbin Boy |
| Township / Ward | Lowell City |
| Est. Birth Year | ~1912 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Earl | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Lewis | Daughter | — | 8 | ~1922 |
| Ann Lewis | Daughter | — | 6 | ~1924 |
| Carl Lewis | Son | — | 12 | ~1918 |
| Florence Lewis | Daughter | — | 16 | ~1914 |
| Ralph Lewis | Head | — | 40 | ~1890 |
| Barbara Lewis | Daughter | — | 3 | ~1927 |
| Ralph Lewis | Son | — | 11 | ~1919 |
| Earl Lewis | Son | — | 18 | ~1912 |
| Helen Lewis | Spouse | — | 43 | ~1887 |
| Robert Lewis | Son | — | 14 | ~1916 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 8
Middlesex, Massachusetts · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Earl B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Rhode Island |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 18
Middlesex, Massachusetts · implied b. ~1912 — 10 household members
| Surname | Lewis |
| Given Name | Earl D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Bobbin boy |
| Industry | Cotton mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
Son, age 28
Middlesex-County, Massachusetts · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Everett City |
| 1935 Residence (County) | Middlesex |
| Occupation | Bond Salesman |
| Industry | Bond Concern |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 286 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Earl Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ralph Lewis (~0.92 confidence) and father William Lewis (~0.92 confidence) and mother Helen Lewis (~0.92 confidence) and mother Helen Lewis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ralph Lewis
b. ~1890
Source father
● Household
· direct · ~0.92
Father
William Lewis
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Helen Lewis
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Helen Lewis
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Earl Lewis
Son · 1930 · age 18 · b. ~1912 · Massachusetts
★ You are viewing this record
Sibling
Ralph Lewis
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Lewis
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Lewis
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Lewis
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Lewis
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Lewis
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Lewis
Sibling · 1930 · age 8
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
1930 US Federal Census — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel920:1043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John F. Bean | 43 | Head | Barber Shop | Massachusetts |
| 2 | Elizabeth Bean | 42 | Wife | — | Massachusetts |
| 3 | Francis Bean | 7 | Son | — | Massachusetts |
| 4 | Joseph Londer | 28 | Head | Laborer | Massachusetts |
| 5 | Emma Londer | 28 | Wife | Speeder | Massachusetts |
| 6 | Ivy Ross | 48 | Head | Trimmer | Massachusetts |
| 7 | Mabel Ross | 45 | Wife | — | Massachusetts |
| 8 | Irene Ross | 18 | Daughter | Counter Hand | Massachusetts |
| 9 | Audrey Ross | 14 | Daughter | — | Massachusetts |
| 10 | Arthur Ross | 9 | Son | — | Massachusetts |
| 11 | Dorothy Ross | 6 | Daughter | — | Massachusetts |
| 12 | Carl Olsen | 33 | Head | Machinist | Connecticut |
| 13 | Madeline Olsen | 28 | Wife | — | New York |
| 14 | Rose Olsen | 7 | Daughter | — | Connecticut |
| 15 | Carl Olsen | 6 | Son | — | Connecticut |
| 16 | William Bundy | 31 | Head | Clerk | Massachusetts |
| 17 | Susana Bundy | 27 | Wife | — | Massachusetts |
| 18 | George Bundy | 5 | Son | — | Massachusetts |
| 19 | Mary Bundy | 5 | Daughter | — | Massachusetts |
| 20 | William Bundy | 3 | Son | — | Massachusetts |
| 21 | Raymond Bundy | 1 | Son | — | Massachusetts |
| 22 | Bridget Carmody | 65 | Head | — | Irish Free State |
| 23 | Thomas F. Carmody | 31 | Son | Salesman | Massachusetts |
| 24 | Mary J. Carmody | 28 | Daughter | Manager | Massachusetts |
| 25 | Louis F. Kealy | 55 | Head | Laborer | Massachusetts |
| 26 | Ellen Kealy | 55 | Wife | — | Pennsylvania |
| 27 | George Hammond | 40 | Head | Engineer | Massachusetts |
| 28 | Ethel Hammond | 42 | Wife | — | Massachusetts |
| 29 | Ralph D. Lewis | 40 | Head | Salesman | Massachusetts |
| 30 | Helen V. Lewis | 43 | Wife | — | Massachusetts |
| 31 | Earl D. Lewis THIS PERSON | 18 | Son | Bobbin Boy | Massachusetts |
| 32 | Florence Lewis | 16 | Daughter | Mother'S Helper | Massachusetts |
| 33 | Robert C. Lewis | 14 | Son | — | Massachusetts |
| 34 | Carl Lewis | 12 | Son | — | Massachusetts |
| 35 | Ralph Lewis | 11 | Son | — | Massachusetts |
| 36 | Gertrude Lewis | 8 | Daughter | — | Massachusetts |
| 37 | Ann Lewis | 6 | Daughter | — | Massachusetts |
| 38 | Barbara Lewis | 3 | Daughter | — | Massachusetts |
| 39 | Ruby Simms | 40 | Head | — | Massachusetts |
| 40 | Gertrude Simms | 18 | Daughter | Twin Maker | Massachusetts |
| 41 | Setrak Saporian | 38 | Head | Grocery | Armenia |
| 42 | Altun Saporian | 31 | Wife | — | Armenia |
| 43 | Alena Saporian | 21 | Daughter | Stitcher | Massachusetts |
| 44 | Arthur Saporian | 16 | Son | — | Massachusetts |
| 45 | Donald Saporian | 12 | Son | — | Massachusetts |
| 46 | Alice Saporian | 10 | Daughter | — | Massachusetts |
| 47 | Kachadoor Harkasarian | 33 | Lodger | — | Armenia |
| 48 | Ernest Bravat | 28 | Head | Floor Runner | Massachusetts |
| 49 | Marcia Bravat | 24 | Wife | — | New Hampshire |
| 50 | Ernest Jr. Bravat | 2 | Son | — | Massachusetts |
Related Census Records
Pedigree Summary
Earl + 7 siblings
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 1930 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)