MP
Mary Peck — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Plymouth, Massachusetts
Our Model Tree links this Mary Peck across the 1920 and 1930 US Censuses in Plymouth, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 5-person household.
Age 29
b. ~1901
Female
Spouse
Born: Portugal
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Plymouth, Massachusetts |
| Surname | Peck |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Portugal |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 18 |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | Portuguese |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
| Township / Ward | Plymouth Town |
| 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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Warren Peck | Son | — | 10 | ~1920 |
| Kenneth Peck | Son | — | 4 | ~1926 |
| Harold Peck | Son | — | 9 | ~1921 |
| Warren Peck | Head | — | 30 | ~1900 |
| Mary Peck | Spouse | — | 29 | ~1901 |
Census Appearances
1920
Plymouth, Massachusetts
Spouse, age 19
Plymouth, Massachusetts · implied b. ~1901 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peck |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | Portugal |
| Year of Immigration | 1904 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Portuguese |
| Birth Country | Portugal |
| Year of Naturalization | 1918 |
| Birthplace (normalized) | portugal |
1930
Plymouth, Massachusetts
Spouse, age 29
Plymouth, Massachusetts · implied b. ~1901 — 5 household members
| Surname | Peck |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Portugal |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 18 |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Can Read/Write | Yes |
| Mother Tongue | Portuguese |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
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 Plymouth, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Mary Peck
Spouse · 1930 · age 29 · b. ~1901 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Plymouth, Massachusetts
Open full size
1930 US Federal Census — Plymouth, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel940:0923)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Agnes Cocchi | 13 | Daughter | — | Massachusetts |
| 2 | Olga Cocchi | 5 | Daughter | — | Massachusetts |
| 3 | Louis Malaguti | 44 | Lodger | — | Italy |
| 4 | Ferdinand Bongiovanni | 39 | Head | Carpenter | Italy |
| 5 | Caroline Bongiovanni | 32 | Wife | — | Massachusetts |
| 6 | Anna L. Bongiovanni | 5 | Daughter | — | Massachusetts |
| 7 | Percy Gardner | 42 | Head | Fireman | Massachusetts |
| 8 | Ethel Gardner | 38 | Wife | — | Maine |
| 9 | Earl Gardner | 16 | Son | — | Massachusetts |
| 10 | John Andrade | 40 | Head | Tier | Portugal |
| 11 | Wilhemina Andrade | 39 | Wife | Busher | Portugal |
| 12 | Beatrice Andrade | 15 | Daughter | — | Massachusetts |
| 13 | Dolly Andrade | 13 | Daughter | — | Massachusetts |
| 14 | Clementina Andrade | 10 | Daughter | — | Massachusetts |
| 15 | Mary Roderick | 64 | Grandmother | — | Portugal |
| 16 | Louis Bowen | 40 | Head | Dresser | New York |
| 17 | Lillian Bowen | 37 | Wife | Sewer | Massachusetts |
| 18 | Stanford Bowen | 14 | Son | — | Massachusetts |
| 19 | Joseph Andrade | 43 | Head | Oiler | Portugal |
| 20 | Mary Andrade | 42 | Wife | Spooler | Portugal |
| 21 | Mary 2Nd Andrade | 19 | Daughter | Spooler | Massachusetts |
| 22 | Ilda Andrade | 13 | Daughter | — | Massachusetts |
| 23 | Bella Andrade | 11 | Daughter | — | Massachusetts |
| 24 | Evelyn Andrade | 8 | Daughter | — | Massachusetts |
| 25 | Warren H. Peck | 30 | Head | Proprietor | Massachusetts |
| 26 | Mary Peck THIS PERSON | 29 | Wife | — | Portugal |
| 27 | Warren Jr. Peck | 10 | Son | — | Massachusetts |
| 28 | Harold Peck | 9 | Son | — | Massachusetts |
| 29 | Kenneth Peck | 4 | Son | — | Massachusetts |
| 30 | Antone Caton | 29 | Head | Mill Hand | Portugal |
| 31 | Gertrude Caton | 31 | Wife | Preparer | Massachusetts |
| 32 | Antonio Manelli | 48 | Head | Gardener | Italy |
| 33 | Adele Manelli | 49 | Wife | — | Italy |
| 34 | Norma Manelli | 21 | Daughter | Stenographer | Massachusetts |
| 35 | Louis Manelli | 18 | Son | Asst. Wire | Massachusetts |
| 36 | Henry St. Onge | 27 | Head | Fuller | Massachusetts |
| 37 | Ada St. Onge | 24 | Wife | — | Massachusetts |
| 38 | Althea St. Onge | 2 | Daughter | — | Massachusetts |
| 39 | Victor Dias | 50 | Head | Swivel Room | Portugal |
| 40 | Frances Dias | 44 | Wife | — | Portugal |
| 41 | Joseph Dias | 21 | Son | Station Manager | Massachusetts |
| 42 | John Dias | 19 | Son | Spooler | Massachusetts |
| 43 | Victor Jr. Dias | 14 | Son | — | Massachusetts |
| 44 | Margaret Dias | 7 | Daughter | — | Massachusetts |
| 45 | Manuel Regendo | 44 | Lodger | Swivel Room | Portugal |
| 46 | Prima Guerra | 25 | Head | Mechanic | Italy |
| 47 | Amelia Guerra | 23 | Wife | — | Italy |
| 48 | Albert Guerra | 2 | Son | — | Massachusetts |
| 49 | Bernard D. Viera | 31 | Head | Clerk | Massachusetts |
| 50 | Evelyn A. Viera | 26 | Wife | — | 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)