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Mildred Lewis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mildred Lewis across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Arthur & Benjamin — first a daughter (b.~1905), then head of a 4-person household.
Age 25
b. ~1905
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Lewis |
| Given Name | Mildred F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Belmont Town Pt Of |
| Est. Birth Year | ~1905 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| William Lewis | Head | — | 50 | ~1880 |
| Mildred Lewis | Daughter | — | 25 | ~1905 |
| Ella Lewis | Other | — | 51 | ~1879 |
| Ruth Lewis | Daughter | — | 21 | ~1909 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 4
Middlesex, Massachusetts · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 15
Middlesex, Massachusetts · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 25
Middlesex, Massachusetts · implied b. ~1905 — 4 household members
| Surname | Lewis |
| Given Name | Mildred F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| 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 Mildred Lewis across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Arthur Lewis (~0.92 confidence) and father Benjamin Lewis (~0.92 confidence) and mother Etta Lewis (~0.92 confidence) and mother Mabel Lewis (~0.92 confidence) and father William Lewis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Lewis
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Benjamin Lewis
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Etta Lewis
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mabel Lewis
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
William Lewis
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mildred Lewis
Daughter · 1930 · age 25 · b. ~1905 · Massachusetts
★ You are viewing this record
Sibling
Ruth Lewis
Sibling · 1930 · age 21
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
49 people indexed on this census page (ia:1930:massachusettscensus00reel914:1030)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John J Estes | 56 | Head | Treasurer | New York |
| 2 | Mary L Estes | 54 | Wife-H | — | New York |
| 3 | George R Estes | 22 | Son | Realtor | Massachusetts |
| 4 | Charles E Estes | 21 | Son | — | Massachusetts |
| 5 | John T Moss | 71 | Head | Manufacturer | New York |
| 6 | Harriet S Moss | 70 | Wife-H | — | Maine |
| 7 | Lillian S Wadsworth | 43 | Daughter | — | Maine |
| 8 | William L Wadsworth | 43 | Son-in-law | Superintendent | Maine |
| 9 | Eugene S Wadsworth | 10 | Grandson | — | Massachusetts |
| 10 | Charles H Vose | 52 | Head | Doctor | Massachusetts |
| 11 | Lenore Y Vose | 50 | Wife-H | — | New York |
| 12 | Lenore Vose | 17 | Daughter | — | Massachusetts |
| 13 | Mary Kelley | 23 | Maid | Maid | Irish Free State |
| 14 | Frank Locke | 43 | Head | Broker | Maine |
| 15 | Edith Locke | 43 | Wife-H | — | Massachusetts |
| 16 | Emma C Allison | 74 | Head-H | — | Massachusetts |
| 17 | Ellen H Allison | 73 | Sister | — | Massachusetts |
| 18 | James H Donahue | 37 | Head | Clerk | Massachusetts |
| 19 | Ellen M Donahue | 30 | Wife-H | — | Massachusetts |
| 20 | Eleanor Donahue | 1 | Daughter | — | Massachusetts |
| 21 | Wallace H Small | 38 | Head | Glass Blower | Maine |
| 22 | Irene M Small | 36 | Wife-H | — | Massachusetts |
| 23 | Wallace H Jr Small | 10 | Son | — | Massachusetts |
| 25 | Blanche H Plummer | 59 | Head-H | — | Massachusetts |
| 26 | Allison W Plummer | 39 | Son | — | Massachusetts |
| 27 | Lawrence B Plummer | 37 | Son | — | Massachusetts |
| 28 | Charles A Plummer | 34 | Son | — | Massachusetts |
| 29 | Edwin De Meritte | 84 | Head | — | New Hampshire |
| 30 | Florence De Meritte | 60 | Daughter | — | Massachusetts |
| 31 | Mabel De M Gilbert | 53 | Daughter | — | Massachusetts |
| 32 | Howard De M Gilbert | 17 | Grandson | Helper | New Hampshire |
| 33 | Edward R Hurley | 53 | Head | Dentist | Massachusetts |
| 34 | Isabella B Hurley | 50 | Wife-H | — | New Hampshire |
| 35 | Edward R Jr Hurley | 15 | Son | — | Massachusetts |
| 36 | Paul B Hurley | 12 | Son | — | Massachusetts |
| 37 | Vincent S Hurley | 10 | Son | — | Massachusetts |
| 38 | Dorothy M Hurley | 8 | Daughter | — | Massachusetts |
| 39 | George S Harris | 60 | Head | Shipper | Massachusetts |
| 40 | Mabel E Harris | 54 | Wife-H | — | Canada English |
| 41 | Elizabeth D Watkins | 83 | Mother-in-law | — | Canada English |
| 42 | Irene C Harris | 22 | Daughter | — | Maine |
| 43 | William F Lewis | 50 | Head | Comptroller | Massachusetts |
| 44 | Ella F Lewis | 51 | Wife-H | Manager | Massachusetts |
| 45 | Mildred F Lewis THIS PERSON | 25 | Daughter | — | Massachusetts |
| 46 | Ruth B Lewis | 21 | Daughter | Clerk | New Hampshire |
| 47 | Clarence E Wentworth | 57 | Head | Sales Engineer | New York |
| 48 | Cornelia W Wentworth | 59 | Wife-H | — | New York |
| 49 | Mary Lou Wentworth | 25 | Daughter | Salesman | New York |
| 50 | Ralph P Lunt | 27 | Head | Captain | Maine |
Pedigree Summary
Mildred + 1 sibling
Gen 1 · 5 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)