MP
Mary Pollock — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Graham, Arizona
Our Model Tree links this Mary Pollock across the 1920 and 1930 US Censuses in Graham, Arizona (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 6-person household.
Age 45
b. ~1885
Female
Spouse
Born: Arizona
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Graham, Arizona |
| Surname | Pollock |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Arizona |
| Age at First Marriage | 26 |
| Father's Birthplace | England |
| Mother's Birthplace | Utah |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Township / Ward | Fort Grant |
| Est. Birth Year | ~1885 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Clara Pollock | Daughter | — | 12 | ~1918 |
| William Webster | Other | — | 85 | ~1845 |
| Harry Pollock | Son | — | 4 | ~1926 |
| Sam Pollock | Head | — | 52 | ~1878 |
| Mary Pollock | Spouse | — | 45 | ~1885 |
| Webster Pollock | Son | — | 15 | ~1915 |
Census Appearances
1920
Graham, Arizona
Spouse, age 35
Graham, Arizona · implied b. ~1885 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pollock |
| Given Name | Mary Emily |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Arizona |
| Father's Birthplace | England |
| Mother's Birthplace | Utah |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Graham, Arizona
Spouse, age 45
Graham, Arizona · implied b. ~1885 — 6 household members
| Surname | Pollock |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Arizona |
| Age at First Marriage | 26 |
| Father's Birthplace | England |
| Mother's Birthplace | Utah |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
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 Pollock across 2 US Census years (1920 and 1930) in Graham, Arizona, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Pollock
Spouse · 1930 · age 45 · b. ~1885 · Arizona
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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 — Graham, Arizona
Open full size
1930 US Federal Census — Graham, Arizona
Page Contents
50 people indexed on this census page (ia:1930:15thcensus56unit:1136)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sam V. Pollock | 52 | Head | Superintendent | Texas |
| 2 | Mary E. Pollock THIS PERSON | 45 | Wife | None | Arizona |
| 3 | Webster L. Pollock | 15 | Son | None | Arizona |
| 4 | Clara L. Pollock | 12 | Daughter | None | Arizona |
| 5 | Harry H. Pollock | 4 | Son | None | Arizona |
| 6 | William H. Webster | 85 | Father-in-law | None | England |
| 7 | Isaac Palmer | 56 | Head | Farmer | Utah |
| 8 | Eliza J. Palmer | 52 | Wife | None | Utah |
| 9 | Willard Smith | 57 | Head | Dairyman | Kentucky |
| 10 | Lillian Smith | 39 | Wife | None | Kentucky |
| 11 | James T. Smith | 8 | Son | None | Arizona |
| 12 | Mary E. Smith | 6 | Daughter | None | Arizona |
| 13 | George N. Smith | 3 | Son | None | Arizona |
| 14 | James A. Mack | 44 | Head | Guard | Illinois |
| 15 | Blanch Mack | 41 | Wife | Cook | Arizona |
| 16 | Thomas Dan Mack | 18 | Son | None | Arizona |
| 17 | Catherine Mack | 17 | Daughter | None | Arizona |
| 18 | Permilla Mack | 15 | Daughter | None | Arizona |
| 19 | Alice Mack | 10 | Daughter | None | Arizona |
| 20 | Lucile Mack | 8 | Daughter | None | Arizona |
| 21 | Joel N. Mack | 3 | Son | None | Arizona |
| 22 | Millicent Z. Enoch | 51 | Wife | Guard | Ohio |
| 23 | Earl F. Enoch | 10 | Son | None | California |
| 24 | Stanley Enoch | 10 | Step-son | None | California |
| 25 | Russell Enoch | 7 | Step-son | None | Arizona |
| 26 | Walter Barker | 55 | Head | Guard | Utah |
| 27 | Lillian Barker | 40 | Wife | None | Kentucky |
| 28 | Kenneth L. Barker | 14 | Son | None | Arizona |
| 29 | James Barker | 37 | Head | Instructor | Utah |
| 30 | Irene J. Barker | 36 | Wife | None | Arizona |
| 31 | James Barker | 12 | Son | None | Arizona |
| 32 | Cyril L. Barker | 7 | Son | None | Arizona |
| 33 | George C. Barker | 5 | Son | None | Arizona |
| 34 | George C. Barker | 2 | Son | None | Arizona |
| 35 | Thomas Clair | 62 | Head | Guard | Utah |
| 36 | Clara K. Clair | 45 | Wife | Asst Matron | Utah |
| 37 | Ruth Clair | 19 | Daughter | None | Arizona |
| 38 | Thomas Clair | 12 | Son | None | Arizona |
| 39 | Joseph P. Clair | 5 | Son | None | Arizona |
| 40 | James T. Guinn | 55 | Head | Guard | New York |
| 41 | Leslie W. Guinn | 44 | Wife | Instructor | Canada |
| 42 | James J. Jr. Guinn | 22 | Son | Laborer | New York |
| 43 | Bernice Guinn | 14 | Daughter | None | California |
| 44 | David J. Guinn | 12 | Son | None | California |
| 45 | C. H. Mullens | 50 | Head | Truck Driver | Unknown |
| 46 | Lizzie Mullens | 37 | Wife | None | Idaho |
| 47 | Ursel Mullens | 7 | Son | None | Arizona |
| 48 | C. H. Jr. Mullens | 3 | Son | None | Arizona |
| 49 | Carl L. Amos | 50 | Head | Band Master | Germany |
| 50 | Lilla W. Amos | 56 | Wife | None | Oregon |
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)