MP
Mary Peck — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Maricopa, Arizona
Our Model Tree links this Mary Peck across the 1920 and 1930 US Censuses in Maricopa, Arizona (XGBoost, ~Confirmed) — first a daughter (b.~1913), then head of a 7-person household.
Age 17
b. ~1913
Female
Daughter
Born: New Mexico
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Maricopa, Arizona |
| Surname | Peck |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Mexico |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
| Township / Ward | Hassayampa Precinct |
| Est. Birth Year | ~1913 |
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 |
|---|---|---|---|---|
| William Peck | Son | — | 18 | ~1912 |
| Mary Peck | Daughter | — | 17 | ~1913 |
| George Peck | Son | — | 22 | ~1908 |
| Caroline Peck | Daughter | — | 12 | ~1918 |
| Arthur Peck | Head | — | 46 | ~1884 |
| Caroline Peck | Spouse | — | 41 | ~1889 |
| Wayne Peck | Son | — | 5 | ~1925 |
Census Appearances
1920
Maricopa, Arizona
Daughter, age 7
Maricopa, Arizona · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pack |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | New Mexico |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
1930
Maricopa, Arizona
Daughter, age 17
Maricopa, Arizona · implied b. ~1913 — 7 household members
| Surname | Peck |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Mexico |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
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 Maricopa, Arizona, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Peck
Daughter · 1930 · age 17 · b. ~1913 · Arizona
★ You are viewing this record
Sibling
Caroline Peck
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Peck
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Peck
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Peck
Sibling · 1930 · age 22
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 — Maricopa, Arizona
Open full size
1930 US Federal Census — Maricopa, Arizona
Page Contents
50 people indexed on this census page (ia:1930:15thcensus60unit:0534)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bore, Costine Nelson | 40 | Servant | Farm Laborer | Poland |
| 2 | Shumway, Dee Nelson | 28 | Servant | Farm Laborer | Utah |
| 3 | Arthur W. Peck | 46 | Head | Bookkeeper | Pennsylvania |
| 4 | Caroline Peck | 41 | Wife | — | Pennsylvania |
| 5 | George Peck | 22 | Son | — | New Mexico |
| 6 | William Peck | 18 | Son | — | New Mexico |
| 7 | Mary Peck THIS PERSON | 17 | Daughter | — | New Mexico |
| 8 | Caroline Peck | 12 | Daughter | — | California |
| 9 | Wayne Peck | 5 | Son | — | Arizona |
| 10 | Wayne W. Stulch | 41 | Head | Merchant | Illinois |
| 11 | Ida Stulch | 39 | Wife | — | Illinois |
| 12 | Vernon Stulch | 16 | Son | — | Iowa |
| 13 | Thomas A. Townsend | 34 | Head | Mechanic | Minnesota |
| 14 | Eva Townsend | 16 | Boarder | — | Arizona |
| 15 | Mae Townsend | 6 | Boarder | — | Arizona |
| 16 | Mary E. Shoulder | 10 | Boarder | — | Arizona |
| 17 | Bessie Townsend | 31 | Mother-in-law | — | United States |
| 18 | William H. Townsend | 5 | Brother-in-law | — | Arizona |
| 19 | Thomas Shoulder | 57 | Head | Farm Laborer | Arizona |
| 20 | Mary Shoulder | 50 | Wife | — | Illinois |
| 21 | George Shoulder | 16 | Son | — | Arizona |
| 22 | James A. Haws | 40 | Head | Farm Laborer | Missouri |
| 23 | Zera Haws | 31 | Wife | — | Missouri |
| 24 | Elizabeth Haws | 13 | Daughter | — | Missouri |
| 25 | John Haws | 5 | Son | — | Missouri |
| 26 | Connie Haws | 1 | Daughter | — | Kansas |
| 27 | John Hudson | 28 | Head | — | Michigan |
| 28 | Frances Hudson | 20 | Wife | — | Arizona |
| 29 | Arthur E. Brookie | 53 | Head | Driller | Texas |
| 30 | Ruth Brookie | 46 | Wife | — | Arkansas |
| 31 | Mack Brookie | 12 | Son | — | Arizona |
| 32 | Gray Brookie | 9 | Son | — | Arizona |
| 33 | Bertha Cox | 18 | Daughter | — | New Mexico |
| 34 | Ondine Cox | 1 | Granddaughter | — | Arizona |
| 35 | Alvin Purdy | 49 | Head | Stock Farmer | Texas |
| 36 | Alma Purdy | 37 | Wife | — | Arizona |
| 37 | Andrew Blosson | 38 | Boarder | — | New Mexico |
| 38 | Norman Hanson | 25 | Head | Stock Farmer | Texas |
| 39 | Ruth Hanson | 20 | Wife | — | Iowa |
| 40 | George A. Magee | 51 | Head | Miner | Texas |
| 41 | Elton Cothren | 25 | Head | Mechanic | Texas |
| 42 | Mable Cothren | 21 | Wife | — | West Virginia |
| 43 | Coraline Cothren | 1 | Daughter | — | Arizona |
| 44 | Rufus Baldwin | 37 | Head | — | Arkansas |
| 45 | Ora Baldwin | 37 | Wife | — | Maryland |
| 46 | William Davis | 56 | Head | Miner | Pennsylvania |
| 47 | Oscar Elder | 56 | Boarder | Miner | Minnesota |
| 48 | George W. Culp | 47 | Head | Miner | United States |
| 49 | Dora Culp | 21 | Wife | — | New Mexico |
| 50 | Jack Culp | 3 | Son | — | Arizona |
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)