MC
Mary Coffey — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Mary Coffey across the 1910 and 1920 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1901), then head of a 7-person household.
Age 19
b. ~1901
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, Massachusetts |
| Surname | Coffey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Doffer |
| Industry | Cotton mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Doffer |
| Township / Ward | Newburyport City |
| Est. Birth Year | ~1901 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Thomas Coffey | Son | — | 16 | ~1904 |
| Mary Coffey | Daughter | — | 19 | ~1901 |
| Timothy Coffey | Head | — | 52 | ~1868 |
| Annie Coffey | Daughter | — | 23 | ~1897 |
| Mary Coffey | Spouse | — | 53 | ~1867 |
| Ernest Coffey | Son | — | 13 | ~1907 |
| Arthur Coffey | Son | — | 21 | ~1899 |
Census Appearances
1910
Essex, Massachusetts
Daughter, age 9
Essex, Massachusetts · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coffey |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Daughter, age 19
Essex, Massachusetts · implied b. ~1901 — 7 household members
| Surname | Coffey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Doffer |
| Industry | Cotton mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Coffey across 2 US Census years (1910 and 1920) in Essex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Coffey
Daughter · 1920 · age 19 · b. ~1901 · Massachusetts
★ You are viewing this record
Sibling
Thomas Coffey
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Coffey
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Coffey
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Coffey
Sibling · 1920 · age 13
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:1920:14thcensusofpopu695unit:0814)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas H. Huse | 68 | Head | — | Massachusetts |
| 52 | Abbie W. Huse | 81 | Sister | — | Massachusetts |
| 53 | Malkon Isidrian | 36 | Head | Shoe Maker | Armenia |
| 54 | Utzen Isidrian | 32 | Wife | — | Turkish Armenia |
| 55 | Avedis Isidrian | 13 | Son | — | Turkish Armenia |
| 56 | Hovart Isidrian | 11 | Daughter | — | Turkish Armenia |
| 57 | Sarah Isidrian | 5 | Daughter | — | Massachusetts |
| 58 | Vahan Isidrian | 1 | Son | — | Massachusetts |
| 59 | Marie Isidrian | 24 | Boarder | Shoe Maker | Turkish Armenia |
| 60 | Hagop Isidrian | 32 | Head | Stamper | Turkish Armenia |
| 61 | Agavny Isidrian | 26 | Wife | — | Turkish Armenia |
| 62 | Owen Rogers | 53 | Head | Gardner | Massachusetts |
| 63 | Alice M. Rogers | 47 | Wife | — | Massachusetts |
| 64 | Ralph Kimball | 25 | Head | Wood Worker | Massachusetts |
| 65 | Lois Kimball | 26 | Wife | — | Massachusetts |
| 66 | Nelson Nye | 26 | Boarder | Wood Worker | Massachusetts |
| 67 | Evelina Nye | 23 | Boarder | — | Massachusetts |
| 68 | Timothy Coffey | 52 | Head | Teamster | Massachusetts |
| 69 | Mary Coffey | 53 | Wife | — | Massachusetts |
| 70 | Arthur Coffey | 21 | Son | Heel Maker | Massachusetts |
| 71 | Annie A. Coffey | 23 | Daughter | Packer | Massachusetts |
| 72 | Mary Coffey THIS PERSON | 19 | Daughter | Doffer | Massachusetts |
| 73 | Thomas Coffey | 16 | Son | Clerk | Massachusetts |
| 74 | Ernest Coffey | 13 | Son | — | Massachusetts |
| 75 | Richard X. Pike | 41 | Head | Laborer | Pennsylvania |
| 76 | Mary Pike | 45 | Wife | — | New York |
| 77 | Frank J. Pike | 21 | Son | Laborer | Pennsylvania |
| 78 | Alonzo Wright | 62 | Head | — | Rhode Island |
| 79 | Ellen Rockwell | 48 | Sister | Laborer | Rhode Island |
| 80 | Casper F. Johnston | 43 | Head | Rubber | Pennsylvania |
| 81 | Mabel Johnston | 27 | Wife | — | Massachusetts |
| 82 | Hylona Langsford | 74 | Head | — | Massachusetts |
| 83 | William H. Currier | 29 | Head | Heel Maker | Massachusetts |
| 84 | Annie W. Currier | 22 | Wife | — | Massachusetts |
| 85 | Dorothy Currier | 5 | Daughter | — | Massachusetts |
| 86 | Madeline Currier | 1 | Daughter | — | Massachusetts |
| 87 | Benjamin Fields | 45 | Head | Shoe Maker | Scotland |
| 88 | Christina Fields | 42 | Wife | Clerk | Canada |
| 89 | Christina Fields | 15 | Daughter | — | Massachusetts |
| 90 | Catherine Fields | 14 | Daughter | — | Massachusetts |
| 91 | Louis Boyer | 28 | Head | Trucking | Massachusetts |
| 92 | Frances Boyer | 23 | Wife | — | Massachusetts |
| 93 | Mary Boyer | 5 | Daughter | — | Massachusetts |
| 94 | Louis Boyer | 2 | Son | — | Massachusetts |
| 95 | Augustus Gray | 39 | Head | Box Maker | Canada |
| 96 | Florence Gray | 38 | Wife | Stitcher | Canada |
| 97 | Florence Gray | 15 | Daughter | Table Girl | Massachusetts |
| 98 | Ralph Gray | 13 | Son | — | Massachusetts |
| 99 | Patrick J. O'Neil | 55 | Head | Wood Worker | Ireland |
| 100 | Hannah O'Neil | 48 | Wife | — | Massachusetts |
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)