HL
Harold Lewis — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Harold Lewis across the 1900 and 1910 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1885), then head of a 10-person household.
Age 25
b. ~1885
Male
Son
Born: Maine
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Middlesex, Massachusetts |
| Surname | Lewis |
| Given Name | Harold F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Additional Details | |
| Occupation | Assistant |
| Industry | Necktie Factory |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Assistant |
| Township / Ward | Malden City |
| Est. Birth Year | ~1885 |
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 1910 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Helen Lewis | Other | — | 84 | ~1826 |
| Bertram Lewis | Son | — | 21 | ~1889 |
| Maude Lewis | Daughter | — | 22 | ~1888 |
| Emma Lewis | Spouse | — | 45 | ~1865 |
| Helen Lewis | Daughter | — | 5 | ~1905 |
| William Lewis | Son | — | 19 | ~1891 |
| Harold Lewis | Son | — | 25 | ~1885 |
| Beatrice Lewis | Daughter | — | 13 | ~1897 |
| William Lewis | Head | — | 49 | ~1861 |
| Selden Lewis | Son | — | 24 | ~1886 |
Census Appearances
1900
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maine |
| Birth Month | June |
| Birth Year | 1888 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1910
Middlesex, Massachusetts
Son, age 25
Middlesex, Massachusetts · implied b. ~1885 — 10 household members
| Surname | Lewis |
| Given Name | Harold F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Assistant |
| Industry | Necktie Factory |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Harold Lewis across 2 US Census years (1900 and 1910) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Harold Lewis
Son · 1910 · age 25 · b. ~1885 · Massachusetts
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Sibling
Bertram Lewis
Sibling · 1910 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Selden Lewis
Sibling · 1910 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Lewis
Sibling · 1910 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Lewis
Sibling · 1910 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Lewis
Sibling · 1910 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maude Lewis
Sibling · 1910 · age 22
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
1910 US Federal Census — Middlesex, Massachusetts
Open full size
1910 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po601unit:0842)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lucia B. Zoeller | 36 | Wife | — | Massachusetts |
| 2 | Fredrick K. Zoeller | 60 | Father | — | Ger. German |
| 3 | William E. Lewis | 49 | Head | Agent | Maine |
| 4 | Emma F. Lewis | 45 | Wife | — | Maine |
| 5 | Harold F. Lewis THIS PERSON | 25 | Son | Assistant | Maine |
| 6 | Selden J. Lewis | 24 | Son | Manager | Maine |
| 7 | Maude L. Lewis | 22 | Daughter | — | Maine |
| 8 | Bertram B. Lewis | 21 | Son | Salesman | Maine |
| 9 | William R. Lewis | 19 | Son | Salesman | Maine |
| 10 | Beatrice C. Lewis | 13 | Daughter | — | Maine |
| 11 | Helen E. Lewis | 5 | Daughter | — | Maine |
| 12 | Helen Lewis | 84 | Mother | — | Maine |
| 13 | George W. Wood | 46 | Head | Civil Engineer | Massachusetts |
| 14 | Harriet P. Wood | 38 | Wife | — | Massachusetts |
| 15 | George P. Wood | 18 | Son | — | Massachusetts |
| 16 | John E. Wilder | 40 | Head | Auditor | Massachusetts |
| 17 | Lucy Wilder | 37 | Wife | — | Massachusetts |
| 18 | Priscilla Wilder | 4 | Daughter | — | Massachusetts |
| 19 | Mary Hardwick | 50 | Servant | Housework | Can. Scotch |
| 20 | Francis A. Snow | 55 | Head | Cashier | Massachusetts |
| 21 | Delma M. Snow | 51 | Wife | — | Massachusetts |
| 22 | Bertha Snow | 22 | Daughter | Stenographer | Massachusetts |
| 23 | Elizabeth Dinsmore | 24 | Servant | Housework | Can. English |
| 24 | Harold Mitchell | 24 | Head | Retail Merchant | Massachusetts |
| 25 | Helen M. Mitchell | 24 | Wife | — | Massachusetts |
| 26 | William J. Ryan | 37 | Head | Fireman | Can. English |
| 27 | Edith Ryan | 33 | Wife | — | New Hampshire |
| 28 | Doris Ryan | 5 | Daughter | — | Vermont |
| 29 | William J. Jr. Ryan | 3 | Son | — | Massachusetts |
| 30 | Max W. Allen | 30 | Head | Commercial Traveler | Can. English |
| 31 | Grace M. Allen | 33 | Wife | — | Can. English |
| 32 | Alice M. Kenney | 20 | Sister-in-law | Operator | Can. English |
| 33 | Helen B. Allen | 7 | Daughter | — | Can. English |
| 34 | Leonard Allen | 7 | Son | — | Can. English |
| 35 | Mary R. Allen | 1 | Daughter | — | Massachusetts |
| 36 | John N. Simonds | 31 | Head | Station Agent | Can. English |
| 37 | Maud Simonds | 35 | Wife | — | Rhode Island |
| 38 | Paul Simonds | 11 | Son | — | Massachusetts |
| 39 | Elizabeth Monroe | 67 | Mother-in-law | — | Rhode Island |
| 40 | William H. Henderson | 40 | Head | Manager | Massachusetts |
| 41 | Justine Henderson | 37 | Wife | — | Massachusetts |
| 42 | John H. Henderson | 17 | Son | Clerk | Massachusetts |
| 43 | Walter Ewing | 38 | Head | Commercial Traveler | Massachusetts |
| 44 | Helen Ewing | 36 | Wife | — | Massachusetts |
| 45 | Helen Ewing | 15 | Daughter | Habit Maker | Massachusetts |
| 46 | Elmer Ewing | 12 | Son | — | Massachusetts |
| 47 | Gladys Ewing | 8 | Daughter | — | Massachusetts |
| 48 | Fred Ewing | 6 | Son | — | Massachusetts |
| 49 | Grace Ewing | 4 | Daughter | — | Massachusetts |
| 50 | Arthur Ewing | 2 | Son | — | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)