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Mary Merrill — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Mary Merrill across the 1920 and 1930 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1911), then head of a 6-person household.
Age 9
b. ~1911
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, Massachusetts |
| Surname | Merrill |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | England |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1911 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Merrill | Head | — | 43 | ~1877 |
| Loretta Merrill | Daughter | — | 11 | ~1909 |
| Walter Merrill | Son | — | 8 | ~1912 |
| Barbara Merrill | Son | — | 6 | ~1914 |
| Albert Merrill | Son | — | 14 | ~1906 |
| Mary Merrill | Daughter | — | 9 | ~1911 |
Census Appearances
1920
Essex, Massachusetts
Daughter, age 9
Essex, Massachusetts · implied b. ~1911 — 6 household members
| Surname | Merrill |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Daughter, age 19
Essex, Massachusetts · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morrell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | England |
| Occupation | Waitress |
| Industry | Restaurant |
| Class of Worker | W |
| 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 Mary Merrill across 2 US Census years (1920 and 1930) in Essex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Merrill
Daughter · 1920 · age 9 · b. ~1911 · Massachusetts
★ You are viewing this record
Sibling
Loretta Merrill
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Merrill
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Merrill
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Merrill
Sibling · 1920 · age 6
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
1920 US Federal Census — Essex, Massachusetts
Open full size
1920 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu693unit:0313)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary Hayes | 10 | Daughter | — | Massachusetts |
| 52 | Harry Duckworth | 31 | Head | Painter | England |
| 53 | Lillian Duckworth | 32 | Wife | Saleslady | England |
| 54 | Evelyn Duckworth | 10 | Daughter | — | Massachusetts |
| 55 | Harry Duckworth | 5 | Son | — | Massachusetts |
| 56 | Annie Duckworth | 6 | Daughter | — | Massachusetts |
| 57 | Nellie Hamilton | 41 | Head | Rover | Ireland |
| 58 | Margaret Hamilton | 12 | Daughter | — | Massachusetts |
| 59 | James A. Sweeney | 22 | Head | Floor Hand | Ireland |
| 60 | Adeline M. Sweeney | 22 | Wife | — | Massachusetts |
| 61 | Marie Sweeney | 3 | Daughter | — | Massachusetts |
| 62 | Adeline Sweeney | 2 | Daughter | — | Massachusetts |
| 63 | Loretta Sweeney | 1 | Daughter | — | Massachusetts |
| 64 | Mary J. Merrill | 43 | Head | — | England |
| 65 | Albert W. Merrill | 14 | Son | Pattern Boy | Massachusetts |
| 66 | Loretta Merrill | 11 | Daughter | — | Massachusetts |
| 67 | Mary A. Merrill THIS PERSON | 9 | Daughter | — | Massachusetts |
| 68 | Walter J. Merrill | 8 | Son | — | Massachusetts |
| 69 | Barbara J. Merrill | 6 | Son | — | Massachusetts |
| 70 | Abraham Simons | 32 | Head | Comber | New York |
| 71 | Ida Simons | 30 | Wife | — | Russia |
| 72 | Harry Simons | 8 | Son | — | Massachusetts |
| 73 | Joseph Simons | 5 | Son | — | Massachusetts |
| 74 | Valery Brady | 40 | Boarder | Baker | Minsk Rus |
| 75 | Joseph Billhound | 45 | Head | Digger | Russia |
| 76 | Bessie Billhound | 35 | Wife | — | Russia |
| 77 | Manuel Billhound | 14 | Son | — | Massachusetts |
| 78 | Jacob Billhound | 13 | Son | — | Massachusetts |
| 79 | Maurice Billhound | 10 | Son | — | Massachusetts |
| 80 | Samuel Billhound | 6 | Son | — | Massachusetts |
| 81 | Sophie Billhound | 4 | Daughter | — | Massachusetts |
| 82 | David Kramer | 36 | Head | Presser | Vilna Rus |
| 83 | Jennie Kramer | 35 | Wife | — | Vilna Rus |
| 84 | Samuel Kramer | 14 | Son | — | Russia |
| 85 | Alexander Kramer | 12 | Son | — | France |
| 86 | Isadore Schwartz | 45 | Head | Tailor | Romania |
| 87 | Etta Schwartz | 38 | Wife | — | Romania |
| 88 | Fanny Schwartz | 18 | Daughter | Cashier | England |
| 89 | Sophie Schwartz | 16 | Daughter | — | England |
| 90 | Philip Schwartz | 14 | Son | — | Massachusetts |
| 91 | Samuel Albert | 31 | Head | Butcher | Volynsk Rus |
| 92 | Rebecca Albert | 28 | Wife | — | Volynsk Rus |
| 93 | Lillian Albert | 6 | Daughter | — | Massachusetts |
| 94 | Alice Albert | 4 | Daughter | — | Massachusetts |
| 95 | Hillel Albert | 50 | Head | Store Keeper | Volynsk Rus |
| 96 | Bessie Albert | 48 | Wife | — | Volynsk Rus |
| 97 | David Albert | 21 | Son | Store Keeper | Volynsk Rus |
| 98 | Benjamin Albert | 17 | Son | — | Volynsk Rus |
| 99 | Esther Albert | 8 | Daughter | — | Massachusetts |
| 100 | Jeremiah Mooney | 43 | Head | Spinning Room | Ireland |
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)