MP
Mary Peck — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Worcester, Massachusetts
Our Model Tree links this Mary Peck across the 1920 and 1930 US Censuses in Worcester, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 8-person household.
Age 16
b. ~1914
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Worcester, Massachusetts |
| Surname | Peck |
| Given Name | Mary Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Connecticut |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Southbridge Town Part |
| Est. Birth Year | ~1914 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Arthur Peck | Head | — | 42 | ~1888 |
| Mary Peck | Daughter | — | 16 | ~1914 |
| Elizabeth Peck | Daughter | — | 14 | ~1916 |
| Delia Peck | Spouse | — | 40 | ~1890 |
| Romeo Peck | Son | — | 7 | ~1923 |
| Alice Peck | Daughter | — | 11 | ~1919 |
| Rosalie Peck | Daughter | — | 2 | ~1928 |
| Madeline Peck | Daughter | — | 5 | ~1925 |
Census Appearances
1920
Worcester, Massachusetts
Other, age 5
Worcester, Massachusetts · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peck |
| Given Name | Mary L R |
| Relationship to Head | Grand Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Connecticut |
| Can Write | Yes |
| Speaks English | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Daughter, age 16
Worcester, Massachusetts · implied b. ~1914 — 8 household members
| Surname | Peck |
| Given Name | Mary Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Connecticut |
| 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 Peck across 2 US Census years (1920 and 1930) in Worcester, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Peck
Daughter · 1930 · age 16 · b. ~1914 · Massachusetts
★ You are viewing this record
Sibling
Romeo Peck
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Peck
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madeline Peck
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Peck
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosalie Peck
Sibling · 1930 · age 2
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 — Worcester, Massachusetts
Open full size
1930 US Federal Census — Worcester, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel965:1075)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Luke Bogaboski | 42 | Head | Laborer | Russia |
| 2 | Mary Bogaboski | 36 | Wife | — | Russia |
| 3 | Thaddeus Bogaboski | 14 | Son | — | Massachusetts |
| 4 | Jennie Bogaboski | 13 | Daughter | — | Massachusetts |
| 5 | Stasia Bogaboski | 12 | Daughter | — | Massachusetts |
| 6 | Ellen Bogaboski | 9 | Daughter | — | Massachusetts |
| 7 | Samuel Dvorak | 38 | Lodger | Laborer | Russia |
| 8 | John Luczynski | 38 | Head | Grinder | Poland |
| 9 | Adelle Luczynski | 35 | Wife | — | Poland |
| 10 | Adelle Luczynski | 15 | Daughter | — | Massachusetts |
| 11 | Walter Luczynski | 13 | Son | — | Massachusetts |
| 12 | Mary Luczynski | 10 | Daughter | — | Massachusetts |
| 13 | George Karamihas | 42 | Head | Lens Molder | Greece |
| 14 | Eva Karamihas | 33 | Wife | — | Greece |
| 15 | Alice Karamihas | 12 | Daughter | — | Massachusetts |
| 16 | Nellie Karamihas | 7 | Daughter | — | Massachusetts |
| 17 | Julia Karamihas | 5 | Daughter | — | Massachusetts |
| 18 | Edward Karamihas | 3 | Son | — | Massachusetts |
| 19 | Arthur E Peck | 42 | Head | Farmer | Massachusetts |
| 20 | Delia Peck | 40 | Wife | — | Connecticut |
| 21 | Mary Ann Peck THIS PERSON | 16 | Daughter | — | Massachusetts |
| 22 | Elizabeth Peck | 14 | Daughter | — | Massachusetts |
| 23 | Alice Peck | 11 | Daughter | — | Massachusetts |
| 24 | Romeo Peck | 7 | Son | — | Massachusetts |
| 25 | Madeline Peck | 5 | Daughter | — | Massachusetts |
| 26 | Rosalie Peck | 2 | Daughter | — | Massachusetts |
| 27 | Louis Cote | 23 | Head | Grinder | Canada French |
| 28 | Irene Cote | 19 | Wife | — | Massachusetts |
| 29 | Alfred Cote | 1 | Son | — | Massachusetts |
| 30 | John Peck | 29 | Lodger | Truck Driver | Massachusetts |
| 31 | Florence Peck | 22 | Lodger | — | New Hampshire |
| 32 | Norman Schmucki | 22 | Lodger | — | Massachusetts |
| 33 | Adolph Plouffe | 45 | Head | Finisher | Massachusetts |
| 34 | Flora Plouffe | 35 | Wife | Assembler | Connecticut |
| 35 | Gurney Plouffe | 17 | Daughter | Office Clerk | Massachusetts |
| 36 | Roland Plouffe | 16 | Son | Office Boy | Massachusetts |
| 37 | Israel Plouffe | 15 | Son | — | Massachusetts |
| 38 | Raymond Plouffe | 14 | Son | — | Massachusetts |
| 39 | Raoul Plouffe | 12 | Son | — | Massachusetts |
| 40 | Gabriel Plouffe | 9 | Son | — | Massachusetts |
| 41 | Cornelius Gaudreau | 61 | Head | Lens Packer | Canada French |
| 42 | Agnes Gaudreau | 58 | Wife | — | Massachusetts |
| 43 | Wilfred Gaudreau | 28 | Son | Stitcher | Massachusetts |
| 44 | Arthur Gaudreau | 25 | Son | Machine Molder | Massachusetts |
| 45 | Bernadette Plouffe | 17 | Boarder | — | Massachusetts |
| 46 | Oscar Gendron | 37 | Head | Bill Clerk | Massachusetts |
| 47 | Sarah Gendron | 34 | Wife | Sheet Molder | Canada French |
| 48 | Arthur Gendron | 13 | Son | — | Massachusetts |
| 49 | Emile J Gendron | 10 | Son | — | Massachusetts |
| 50 | Emery J Gendron | 7 | Son | — | 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)