MP
Mary Power — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Worcester, Massachusetts
Our Model Tree links this Mary Power across the 1910 and 1920 US Censuses in Worcester, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1907), then head of a 11-person household.
Age 13
b. ~1907
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Worcester, Massachusetts |
| Surname | Power |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Worcester City |
| Est. Birth Year | ~1907 |
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.
11 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Francis Power | Son | — | 14 | ~1906 |
| Grace Power | Daughter | — | 6 | ~1914 |
| Rita Power | Daughter | — | 2 | ~1918 |
| Mary Power | Daughter | — | 13 | ~1907 |
| Margaret Power | Daughter | — | 11 | ~1909 |
| Robert Power | Son | — | 4 | ~1916 |
| Patrick Power | Head | — | 37 | ~1883 |
| Elizabeth Power | Spouse | — | 39 | ~1881 |
| Gertrude Power | Daughter | — | 3 | ~1917 |
| Paul Power | Son | — | 9 | ~1911 |
| Joseph Power | Son | — | 10 | ~1910 |
Census Appearances
1910
Worcester, Massachusetts
Daughter, age 4
Worcester, Massachusetts · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powers |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Worcester, Massachusetts
Daughter, age 13
Worcester, Massachusetts · implied b. ~1907 — 11 household members
| Surname | Power |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| 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 Power across 2 US Census years (1910 and 1920) in Worcester, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Power
Daughter · 1920 · age 13 · b. ~1907 · Massachusetts
★ You are viewing this record
Sibling
Paul Power
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Power
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Power
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Power
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Power
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Power
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Power
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Power
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 — Worcester, Massachusetts
Open full size
1920 US Federal Census — Worcester, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu749unit:0642)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James J. Walsh | 42 | Head | Wire Roller | Connecticut |
| 2 | Sarah A. Walsh | 38 | Wife | None | Massachusetts |
| 3 | David S. Walsh | 6 | Son | None | Massachusetts |
| 4 | Robert C. Walsh | 3 | Son | — | Massachusetts |
| 5 | Albert D. Robinson | 52 | Head | Fireman | Massachusetts |
| 6 | Louisa E. Robinson | 52 | Wife | None | Connecticut |
| 7 | Catherine A. Queen | 48 | Head | Forelady | Massachusetts |
| 8 | Jennie Queen | 45 | Sister | Wire Worker | Massachusetts |
| 9 | Annie G. Queen | 38 | Sister | Box Maker | Massachusetts |
| 10 | Catherine G. Crow | 47 | Cousin | None | Massachusetts |
| 11 | James M. Douglas | 64 | Head | None | Massachusetts |
| 12 | James E. Douglas | 26 | Son | Sporting Editor | Massachusetts |
| 13 | Mary E. Douglas | 25 | Daughter | Teaching | Massachusetts |
| 14 | Patrick M. Power | 37 | Head | Contractor | Massachusetts |
| 15 | Elizabeth L. Power | 39 | Wife | None | Massachusetts |
| 16 | Francis J. Power | 14 | Son | None | Massachusetts |
| 17 | Mary Power THIS PERSON | 13 | Daughter | None | Massachusetts |
| 18 | Margaret Power | 11 | Daughter | None | Massachusetts |
| 19 | Joseph Power | 10 | Son | None | Massachusetts |
| 20 | Paul Power | 9 | Son | None | Massachusetts |
| 21 | Grace Power | 6 | Daughter | None | Massachusetts |
| 22 | Robert Power | 4 | Son | — | Massachusetts |
| 23 | Gertrude Power | 3 | Daughter | — | Massachusetts |
| 24 | Rita Power | 2 | Daughter | — | Massachusetts |
| 25 | John R. Callahan | 38 | Head | Weaver | Massachusetts |
| 26 | Delia A. Callahan | 50 | Wife | Storekeeper | Maine |
| 27 | Charles E. Moore | 32 | Step-son | Weaver | Maine |
| 28 | James Lynch | 44 | Head | Coal | Ireland |
| 29 | Nora Lynch | 37 | Wife | — | Ireland |
| 30 | James B. Lynch | 3 | Son | None | Massachusetts |
| 31 | Michael H. Buckley | 36 | Brother-in-law | Coal | Ireland |
| 32 | Patrick J. Lynch | 43 | Brother | Coal | Ireland |
| 33 | Bernard Dempsey | 52 | Boarder | Railroad | Ireland |
| 34 | Ann Ryan | 60 | Head | — | Ireland |
| 35 | Mary E. Ryan | 40 | Daughter | Forelady | Massachusetts |
| 36 | Patrick J. Ryan | 38 | Son | Wire Tester | Massachusetts |
| 37 | Michael J. Ryan | 36 | Son | Motorman | Massachusetts |
| 38 | James A. Ryan | 30 | Son | Meter Reader | Massachusetts |
| 39 | William P. Ryan | 28 | Son | Lineman | Massachusetts |
| 40 | Annie Ryan | 26 | Daughter | Operator | Massachusetts |
| 41 | Mary E. Mara | 44 | Head | None | Vermont |
| 42 | William J. Mara | 15 | Son | Office Boy | Rhode Island |
| 43 | Edward J. Mara | 14 | Son | Office Boy | Rhode Island |
| 44 | Mary E. Mara | 11 | Daughter | None | Rhode Island |
| 45 | Helen L. Mara | 8 | Daughter | None | Massachusetts |
| 46 | Bridget Drohan | 35 | Sister | Folder | Massachusetts |
| 47 | William H. Cobb | 31 | Head | Shipper | Massachusetts |
| 48 | Annie G. Cobb | 32 | Wife | None | Massachusetts |
| 49 | Ruth M. Maloney | 10 | Niece | None | Massachusetts |
| 50 | Patrick H. Mclaren | 44 | Brother-in-law | Clerk | 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)