MH
Mary Hammond — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Worcester, Massachusetts
Our Model Tree links this Mary Hammond across the 1900, 1910 and 1920 US Censuses in Worcester, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1866), then head of a 3-person household.
Age 54
b. ~1866
Female
Spouse
Born: Vermont
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Worcester, Massachusetts |
| Surname | Hammond |
| Given Name | Mary S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Township / Ward | Worcester 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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ernest Hammond | Head | — | 57 | ~1863 |
| Leslie Hammond | Son | — | 27 | ~1893 |
| Mary Hammond | Spouse | — | 54 | ~1866 |
Census Appearances
1900
Worcester, Massachusetts
Spouse, age 35
Worcester, Massachusetts · implied b. ~1865 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | Mary B |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Vermont |
| Birth Month | Sept |
| Birth Year | 1865 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1910
Worcester, Massachusetts
Spouse, age 44
Worcester, Massachusetts · implied b. ~1866 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | Mary S |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Vermont |
| Years Married | 26 |
| Children Born | 2 |
| Children Living | 2 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1920
Worcester, Massachusetts
Spouse, age 54
Worcester, Massachusetts · implied b. ~1866 — 3 household members
| Surname | Hammond |
| Given Name | Mary S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
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 Mary Hammond across 3 US Census years (1900, 1910 and 1920) in Worcester, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Mary Hammond
Spouse · 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:1920:14thcensusofpopu752unit:1060)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond F. Hopkins | 22 | Head | Shoemaker | Massachusetts |
| 2 | Ruth Hopkins | 21 | Wife | Stitcher | Ohio |
| 3 | Mildred Hopkins | 2 | Daughter | — | Massachusetts |
| 4 | Francis Hopkins | 1 | Son | — | Massachusetts |
| 5 | Esther M. Hopkins | 0 | Daughter | — | Massachusetts |
| 6 | James T. Boyden | 41 | Head | Machinist | Canada |
| 7 | Ethel Boyden | 29 | Wife | — | England |
| 8 | James W. Boyden | 6 | Son | — | England |
| 9 | George Costa | 23 | Lodger | Merchant | Albania |
| 10 | William Loring | 41 | Head | Druggist | Massachusetts |
| 11 | Mildred Loring | 31 | Wife | — | Michigan |
| 12 | George Loring | 7 | Son | — | Massachusetts |
| 13 | Patrick Carly | 48 | Head | Supervisor | Ireland |
| 14 | Sarah L. Carly | 45 | Wife | — | Ireland |
| 15 | Henry E. Corliss | 42 | Head | Inspector | Massachusetts |
| 16 | Edith M. Corliss | 41 | Wife | — | Maine |
| 17 | Gladys Corliss | 15 | Daughter | Stitcher | Massachusetts |
| 18 | Harriet Corliss | 11 | Daughter | — | Massachusetts |
| 19 | Joseph E. Adams | 77 | Head | Machinist | Maine |
| 20 | Sarah J. Adams | 66 | Wife | — | Maine |
| 21 | Clara E. Adams | 24 | Daughter | Stitcher | Maine |
| 22 | Ernest M. Hammond | 57 | Head | Smoking | Vermont |
| 23 | Mary S. Hammond THIS PERSON | 54 | Wife | — | Vermont |
| 24 | Leslie H. Hammond | 27 | Son | Smoking | Massachusetts |
| 25 | Seth C. Goodspeed | 42 | Head | Smoking | Vermont |
| 26 | Lura B. Goodspeed | 35 | Wife | — | Massachusetts |
| 27 | Eunice M. Goodspeed | 13 | Daughter | — | Massachusetts |
| 28 | Peter E. Goodspeed | 11 | Son | — | Massachusetts |
| 29 | Joseph H. Goodspeed | 7 | Son | — | Massachusetts |
| 30 | Edith H. Goodspeed | 5 | Daughter | — | Massachusetts |
| 31 | Lilla J. Harwood | 62 | Head | — | Massachusetts |
| 32 | Arthur S. Harwood | 25 | Son | Machinist | Massachusetts |
| 33 | Emma J. Harwood | 49 | Sister | Stock Clerk | Massachusetts |
| 34 | Edward G. Jones | 33 | Head | Photographer | Massachusetts |
| 35 | Lucille M. Jones | 30 | Wife | — | Georgia |
| 36 | Joseph G. Small | 45 | Father in law | Cook | Alabama |
| 37 | Laura B. Small | 45 | Mother in law | Cook | Georgia |
| 38 | Percy Simmonds | 38 | Head | Laborer | No. Carolina |
| 39 | Elizabeth Simmonds | 23 | Wife | — | Virginia |
| 40 | George B. Koringian | 34 | Head | Merchant | Armenia |
| 41 | Isabel Koringian | 24 | Wife | — | Armenia |
| 42 | Edward Koringian | 5 | Son | — | Massachusetts |
| 43 | Veronica Koringian | 1 | Daughter | — | Massachusetts |
| 44 | James H. Mansadian | 42 | Head | Operator | Armenia |
| 45 | Martha H. Mansadian | 31 | Wife | — | Armenia |
| 46 | Rose M. Mansadian | 13 | Daughter | — | Massachusetts |
| 47 | Alice M. Mansadian | 12 | Daughter | — | Massachusetts |
| 48 | Jacob Mansadian | 6 | Son | — | Massachusetts |
| 49 | Mary Laperle | 52 | Head | — | Canada |
| 50 | Arthur Laperle | 27 | Son | Engineer | Canada |
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)