HC
Henry Clark — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Worcester, Massachusetts
Our Model Tree links this Henry Clark across the 1900, 1910 and 1920 US Censuses in Worcester, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 7-person household.
Age 54
b. ~1866
Male
Head
Born: Massachusetts
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Worcester, Massachusetts |
| Surname | Clark |
| Given Name | Henry D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Veterinary Surg |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Veterinary Surg |
| Township / Ward | Fitchburg City |
| Est. Birth Year | ~1866 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Henry Clark | Head | — | 54 | ~1866 |
| Grace Clark | Other | — | 23 | ~1897 |
| Marie Clark | Other | — | 16 | ~1904 |
| Eloise Clark | Other | — | 17 | ~1903 |
| Henry Clark | Son | — | 14 | ~1906 |
| Clinton Clark | Son | — | 20 | ~1900 |
| Sophia Clark | Spouse | — | 57 | ~1863 |
Census Appearances
Head, age 35
Worcester, Massachusetts · implied b. ~1865 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Howard S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Birth Month | May |
| Birth Year | 1865 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Commercial Traveler |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1910
Worcester, Massachusetts
Head, age 44
Worcester, Massachusetts · implied b. ~1866 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Henry D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Years Married | 15 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Vet |
| Industry | Own office |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Worcester, Massachusetts
Head, age 54
Worcester, Massachusetts · implied b. ~1866 — 7 household members
| Surname | Clark |
| Given Name | Henry D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Veterinary Surg |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| 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 Henry Clark across 3 US Census years (1900, 1910 and 1920) in Worcester, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Henry Clark
Head · 1920 · age 54 · b. ~1866 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Worcester, Massachusetts
Open full size
1920 US Federal Census — Worcester, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu746unit:0403)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hilda Niemi | 31 | Wife | None | Finland |
| 2 | Toivo P. Niemi | 5 | Son | None | Massachusetts |
| 3 | Vaino M. Niemi | 3 | Son | None | Florida |
| 4 | Oscar C. Niemi | 1 | Son | None | Massachusetts |
| 5 | John Ojanen | 33 | Head | Milk Peddler | Finland |
| 6 | Alma K. Ojanen | 22 | Wife | None | Finland |
| 7 | Esko J. Ojanen | 1 | Son | None | Massachusetts |
| 8 | Frank Silonen | 29 | Head | Paperworker | Finland |
| 9 | Flora Silonen | 33 | Wife | Weaver | Finland |
| 10 | Niklas A. Lopasti | 45 | Head | Laborer | Finland |
| 11 | Ida T. Lopasti | 39 | Wife | None | Finland |
| 12 | Sulv O. Lopasti | 5 | Son | None | Massachusetts |
| 13 | August Lanti | 39 | Roomer | Machinist | Finland |
| 14 | Aada Lanti | 35 | Wife of Roomer | None | Finland |
| 15 | Seffa Roos | 25 | Roomer | Helper | Finland |
| 16 | Matti Lehti | 25 | Roomer | None | Finland |
| 17 | Edward F. Kimball | 62 | Head | Accountant | Massachusetts |
| 18 | Mary E. Kimball | 60 | Sister | None | Massachusetts |
| 19 | Elizabeth R. Mcdonald | 60 | Servant | Housework | Nova Scotia |
| 20 | Henry O. Brooks | 67 | Head | Blacksmith | New Hampshire |
| 21 | Laura Brooks | 72 | Wife | None | New Hampshire |
| 22 | Gertie M. Brooks | 44 | Dau | Clerk | New Hampshire |
| 23 | George Forbes | 59 | Head | Laborer | Scotland |
| 24 | Elsie M. Forbes | 57 | Wife | None | Scotland |
| 25 | William M. Forbes | 33 | Son | Y.M.C.A. Sec. | Scotland |
| 26 | Angus M. Forbes | 29 | Son | Steamfitter | Rhode Island |
| 27 | Bessie M. Forbes | 27 | Dau | Stenographer | Massachusetts |
| 28 | G. Robert Forbes | 21 | Son | Payroll Clerk | Massachusetts |
| 29 | Eva C. Greene | 51 | Head | Ice Merchant | Massachusetts |
| 30 | Beatrice W. Greene | 21 | Dau | None | Massachusetts |
| 31 | Leon C. Greene | 19 | Son | Auto Expert | Massachusetts |
| 32 | Dorothy F. Greene | 10 | Dau | None | Massachusetts |
| 33 | Madeline C. Greene | 8 | Dau | None | Massachusetts |
| 34 | Wilhelmina E. Foster | 73 | Mother-in-law | None | Vermont |
| 35 | Henry D. Clark THIS PERSON | 54 | Head | Veterinary Surg | Massachusetts |
| 36 | Sophia A. Clark | 57 | Wife | None | Massachusetts |
| 37 | Grace M. Clark | 23 | Dau | Student Nurse | Massachusetts |
| 38 | Clinton F. Clark | 20 | Son | None | Massachusetts |
| 39 | Eloise M. Clark | 17 | Dau | None | Massachusetts |
| 40 | Marie A. Clark | 16 | Dau | None | Massachusetts |
| 41 | Henry D. Jr. Clark | 14 | Son | None | Massachusetts |
| 42 | Isaac S. Lund | 72 | Head | Coachman | New Hampshire |
| 43 | Henry W. Lund | 27 | Son | Gardener | Massachusetts |
| 44 | James H. Woodland | 23 | Son-in-law | Chauffeur | Massachusetts |
| 45 | Doris E. Woodland | 23 | Dau | None | Massachusetts |
| 46 | Paul A. Immola | 24 | Head | Saw Grinder | Sweden |
| 47 | Pauline Immola | 33 | Wife | None | Finland |
| 48 | Ray A. Immola | 0 | Son | None | Massachusetts |
| 49 | George B. Osterberg | 12 | Stepson | None | Massachusetts |
| 50 | Alice M. Osterberg | 10 | Step-dau | None | Massachusetts |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)