MH
Mary Hammond — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Hammond across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1871), then head of a 8-person household.
Age 49
b. ~1871
Female
Spouse
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Hammond |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1895 |
| Birthplace (normalized) | ireland |
| Township / Ward | Arlington Town Part Of |
| Est. Birth Year | ~1871 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Gladys Hammond | Daughter | — | 20 | ~1900 |
| Pearl Hammond | Daughter | — | 17 | ~1903 |
| Estella Hammond | Daughter | — | 9 | ~1911 |
| Andrew Hammond | Head | — | 50 | ~1870 |
| Edmund Hammond | Son | — | 14 | ~1906 |
| George Hammond | Son | — | 23 | ~1897 |
| Ernest Hammond | Son | — | 21 | ~1899 |
| Mary Hammond | Spouse | — | 49 | ~1871 |
Census Appearances
1900
Suffolk, Massachusetts
Spouse, age 28
Suffolk, Massachusetts · implied b. ~1872 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Aug |
| Birth Year | 1872 |
| Year of Immigration | 1889 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Middlesex, Massachusetts
Spouse, age 38
Middlesex, Massachusetts · implied b. ~1872 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 14 |
| Children Born | 6 |
| Children Living | 5 |
| Year of Immigration | 1890 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Middlesex, Massachusetts
Spouse, age 49
Middlesex, Massachusetts · implied b. ~1871 — 8 household members
| Surname | Hammond |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1895 |
| Birthplace (normalized) | ireland |
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 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hammond
Spouse · 1920 · age 49 · b. ~1871 · 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 — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu706unit:0254)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Franklin L Cousens | 47 | Head | Solicitor | Massachusetts |
| 52 | Charlotte E Cousens | 44 | Wife | — | Massachusetts |
| 53 | John R Wilson | 44 | Head | Salesman | Massachusetts |
| 54 | Lydia S Wilson | 39 | Wife | — | Maine |
| 55 | Robert E Wilson | 13 | Son | — | Massachusetts |
| 56 | Edwin Prescott | 78 | Head | Manufacturer | New Hampshire |
| 57 | Ellen F Prescott | 71 | Wife | — | New Hampshire |
| 58 | George H Whitcher | 53 | Head | — | Massachusetts |
| 59 | Marcia Luther | 67 | Companion | — | Massachusetts |
| 60 | Arthur Gerrish | 46 | Head | Dealer | Massachusetts |
| 61 | Mabelle L Gerrish | 41 | Wife | Embroiderer | Massachusetts |
| 62 | Everett Gerrish | 13 | Son | — | Massachusetts |
| 63 | Helen Gerrish | 11 | Daughter | — | Massachusetts |
| 64 | Andrew Hammond | 50 | Head | Merchant | Ireland |
| 65 | Mary Hammond THIS PERSON | 49 | Wife | — | Ireland |
| 66 | George Hammond | 23 | Son | Salesman | Massachusetts |
| 67 | Ernest C Hammond | 21 | Son | Artist | Massachusetts |
| 68 | Gladys E Hammond | 20 | Daughter | Clerk | Massachusetts |
| 69 | Pearl R Hammond | 17 | Daughter | — | Massachusetts |
| 70 | Edmund J Hammond | 14 | Son | — | Massachusetts |
| 71 | Estella M Hammond | 9 | Daughter | — | Massachusetts |
| 72 | William Pratt | 54 | Head | Building Cont | Canada |
| 73 | Katie Pratt | 52 | Wife | — | Canada |
| 74 | Isabella C Pratt | 27 | Daughter | Agent | Massachusetts |
| 75 | Barbara H Pratt | 13 | Daughter | — | Massachusetts |
| 76 | Benjamin Clancy | 56 | Boarder | Letter Carrier | Massachusetts |
| 77 | Osborne Davenport | 24 | Head | Manager | Maine |
| 78 | Ellen M Davenport | 21 | Wife | — | Massachusetts |
| 79 | Alfred W Broom | 35 | Head | Chauffeur | India |
| 80 | Anna M Broom | 30 | Wife | — | Bavaria |
| 81 | Mary Broom | 4 | Daughter | — | Massachusetts |
| 82 | William H Broom | 2 | Son | — | Massachusetts |
| 83 | Ernest Hesseltine | 61 | Head | Salesman | Maine |
| 84 | Emma B Hesseltine | 43 | Wife | — | Massachusetts |
| 85 | Gladys W Hesseltine | 16 | Daughter | — | Massachusetts |
| 86 | Ernest Jr Hesseltine | 9 | Son | — | Massachusetts |
| 87 | Dorothy Hesseltine | 7 | Daughter | — | Massachusetts |
| 88 | Susan E Hesseltine | 89 | Mother | — | Maine |
| 89 | Frank O Bennett | 35 | Head | Clerk | Maine |
| 90 | Helen F Bennett | 23 | Wife | — | Maine |
| 91 | Eva Blasdell | 34 | Sister | Clerk | Maine |
| 92 | Evelyn Blasdell | 11 | Niece | — | Massachusetts |
| 93 | Norman Blasdell | 4 | Nephew | — | Massachusetts |
| 94 | May E Marchant | 30 | Head | — | Massachusetts |
| 95 | Harold F Marchant | 13 | Son | — | Massachusetts |
| 96 | Lilla G Milliken | 54 | Boarder | Dressmaker | Massachusetts |
| 97 | Clara M Russell | 50 | Head | — | New York |
| 98 | Laura O Russell | 22 | Daughter | Dealer | Massachusetts |
| 99 | Olive Stratton | 28 | Roomer | Teacher | Massachusetts |
| 100 | Elizabeth Dudley | 27 | Roomer | — | Maine |
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)