MP
Mary Power — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Power across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 7-person household.
Age 13
b. ~1917
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, 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 | Canada English |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Framingham Town Part Of |
| Est. Birth Year | ~1917 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Florence Power | Spouse | — | 45 | ~1885 |
| Claire Power | Daughter | — | 7 | ~1923 |
| John Power | Son | — | 17 | ~1913 |
| Robert Power | Son | — | 20 | ~1910 |
| Helen Power | Daughter | — | 10 | ~1920 |
| Robert Power | Head | — | 45 | ~1885 |
| Mary Power | Daughter | — | 13 | ~1917 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 13
Middlesex, Massachusetts · implied b. ~1917 — 7 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 | Canada English |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 24
Middlesex-County, Massachusetts · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powers |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Arlington Town |
| 1935 Residence (County) | Middlesex |
| Occupation | Clerk |
| Industry | Insurance Co |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 1040 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| 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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Power
Daughter · 1930 · age 13 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Robert Power
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claire Power
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Power
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Power
Sibling · 1930 · age 10
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
1930 US Federal Census — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel919:0262)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Dorothy E. Meeke | 10 | Daughter | — | Massachusetts |
| 52 | Doris C. Meeke | 10 | Daughter | — | Massachusetts |
| 53 | Pauline M. Meeke | 7 | Daughter | — | Massachusetts |
| 54 | Priscilla O. Meeke | 7 | Daughter | — | Massachusetts |
| 55 | William J. Lundin | 39 | Head | Printer | Massachusetts |
| 56 | Beatrice E. Lundin | 39 | Wife | — | Massachusetts |
| 57 | Eileen G. Lundin | 18 | Daughter | Secretary | Massachusetts |
| 58 | William J. Lundin | 15 | Son | Messenger | Massachusetts |
| 59 | Charles T. Lundin | 12 | Son | — | Massachusetts |
| 60 | Beatrice M. Lundin | 11 | Daughter | — | Massachusetts |
| 61 | Robert Lundin | 10 | Son | — | Massachusetts |
| 62 | Lester C. Wilcox | 35 | Head | Machine Operator | Massachusetts |
| 63 | Annie L. Wilcox | 37 | Wife | — | Massachusetts |
| 64 | Mary Wilcox | 6 | Daughter | — | Massachusetts |
| 65 | Joseph Wilcox | 5 | Son | — | Massachusetts |
| 66 | Howard Wilcox | 1 | Son | — | Massachusetts |
| 67 | William B. Flynn | 37 | Brother-in-law | Laborer | Vermont |
| 68 | Frank Chase | 27 | Cousin | Machine Operator | Massachusetts |
| 69 | Louise B. Reck | 15 | Lodger | — | New York |
| 70 | Robert A. Power | 45 | Head | Shipping Clerk | Massachusetts |
| 71 | Florence M. Power | 45 | Wife | — | Canada English |
| 72 | Robert B. Power | 20 | Son | Clerk | Massachusetts |
| 73 | John Power | 17 | Son | Clerk | Massachusetts |
| 74 | Mary Power THIS PERSON | 13 | Daughter | — | Massachusetts |
| 75 | Helen Power | 10 | Daughter | — | Massachusetts |
| 76 | Claire Power | 7 | Daughter | — | Massachusetts |
| 77 | Frank J. Zunel | 25 | Head | File Clerk | Massachusetts |
| 78 | Lillian Zunel | 22 | Wife | — | Massachusetts |
| 79 | Shirley Zunel | 1 | Daughter | — | Massachusetts |
| 80 | Leah Jones | 34 | Head | — | Connecticut |
| 81 | Caroline M. Jones | 8 | Daughter | — | Massachusetts |
| 82 | Robert H. Jones | 6 | Son | — | Massachusetts |
| 83 | William H. Jones | 4 | Son | — | Massachusetts |
| 84 | Henry Quinn | 35 | Head | Laborer | Massachusetts |
| 85 | Molly Quinn | 37 | Wife | — | Massachusetts |
| 86 | Joseph J. Sheehan | 26 | Head | Electrician | Massachusetts |
| 87 | Irene R. Sheehan | 26 | Wife | — | Massachusetts |
| 88 | Joseph J. Sheehan | 4 | Son | — | Massachusetts |
| 89 | Robert T. Sheehan | 3 | Son | — | Massachusetts |
| 90 | Francis D. Sheehan | 2 | Son | — | Massachusetts |
| 91 | Mary M. Sheehan | 0 | Daughter | — | Massachusetts |
| 92 | Michael E. Gallagher | 45 | Head | Shipping Clerk | Irish Free State |
| 93 | Mary E. Gallagher | 40 | Wife | — | Irish Free State |
| 94 | Mary Gallagher | 13 | Daughter | — | Massachusetts |
| 95 | Louise Gallagher | 12 | Daughter | — | Massachusetts |
| 96 | John J. Gallagher | 10 | Son | — | Massachusetts |
| 97 | Virginia Gallagher | 8 | Daughter | — | Massachusetts |
| 98 | Mary A. Gallagher | 41 | Sister | — | Irish Free State |
| 99 | Mary E. Ryder | 19 | Cousin | Mail Clerk | Massachusetts |
| 100 | Herbert D. Higgins | 39 | Head | Printer | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)