MH
Mary Harrington — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Yavapai, Arizona
Our Model Tree links this Mary Harrington across the 1920 and 1930 US Censuses in Yavapai, Arizona (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 10-person household.
Age 18
b. ~1912
Female
Daughter
Born: Arizona
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Yavapai, Arizona |
| Surname | Harrington |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Township / Ward | Jerome Town |
| Est. Birth Year | ~1912 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Nora Harrington | Daughter | — | 16 | ~1914 |
| Mary Harrington | Daughter | — | 18 | ~1912 |
| W Harrington | Head | — | 57 | ~1873 |
| Neil Harrington | Son | — | 26 | ~1904 |
| Henry Harrington | Son | — | 12 | ~1918 |
| Robert Harrington | Son | — | 8 | ~1922 |
| William Harrington | Son | — | 20 | ~1910 |
| George Harrington | Son | — | 14 | ~1916 |
| James Harrington | Son | — | 23 | ~1907 |
| Nora Harrington | Spouse | — | 50 | ~1880 |
Census Appearances
1920
Yavapai, Arizona
Daughter, age 8
Yavapai, Arizona · implied b. ~1912 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrington |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Yavapai, Arizona
Daughter, age 18
Yavapai, Arizona · implied b. ~1912 — 10 household members
| Surname | Harrington |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| 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 Harrington across 2 US Census years (1920 and 1930) in Yavapai, Arizona, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Harrington
Daughter · 1930 · age 18 · b. ~1912 · Arizona
★ You are viewing this record
Sibling
Henry Harrington
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Harrington
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Harrington
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Neil Harrington
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Harrington
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nora Harrington
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Harrington
Sibling · 1930 · age 14
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 — Yavapai, Arizona
Open full size
1930 US Federal Census — Yavapai, Arizona
Page Contents
50 people indexed on this census page (ia:1930:15thcensus63unit:0175)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Wm. J. Allthorpe | 42 | Head | Miner | Kentucky |
| 52 | Virginia Allthorpe | 17 | Daughter | — | Kentucky |
| 53 | Mrs. F. G. Allthorpe | 72 | Mother | — | Kentucky |
| 54 | Harry Amster | 31 | Head | Merchant | Pennsylvania |
| 55 | Ruth Amster | 32 | Wife | — | Illinois |
| 56 | Lois Amster | 8 | Daughter | — | Arizona |
| 57 | Mary J. Amster | 4 | Daughter | — | Arizona |
| 58 | Harry J. Amster | 1 | Son | — | Arizona |
| 59 | Stephens, Julia Amster | 24 | Servant | Servant | Arizona |
| 60 | J. G. Smythe | 32 | Head | Switchman | Texas |
| 61 | Alice Smythe | 29 | Wife | — | Texas |
| 62 | Betty Jo Smythe | 5 | Daughter | — | Arizona |
| 63 | Marian Smythe | 3 | Daughter | — | Arizona |
| 64 | R. E. Moore | 46 | Head | Manager | Michigan |
| 65 | Nellie Moore | 45 | Wife | — | Wisconsin |
| 66 | Marion Moore | 20 | Daughter | — | Montana |
| 67 | R. E. Jr. Moore | 17 | Son | — | Arizona |
| 68 | R. B. Speer | 28 | Head | Teacher | Nebraska |
| 69 | Beth Speer | 29 | Wife | — | Ohio |
| 70 | B. J. Jr. Speer | 1 | Son | — | Arizona |
| 71 | Mcburney, Rose Speer | 45 | Roomer | Teacher | Texas |
| 72 | Dannenfelser, G. Speer | 23 | Roomer | Teacher | California |
| 73 | W. J. Harrington | 57 | Head | Engineer | Ireland |
| 74 | Nora Harrington | 50 | Wife | — | Ireland |
| 75 | Neil Harrington | 26 | Son | Mechanic | Arizona |
| 76 | James H. Harrington | 23 | Son | Electrician | Arizona |
| 77 | William Harrington | 20 | Son | — | Arizona |
| 78 | Mary E. Harrington THIS PERSON | 18 | Daughter | — | Arizona |
| 79 | Nora M. Harrington | 16 | Daughter | — | Arizona |
| 80 | George Harrington | 14 | Son | — | Arizona |
| 81 | Henry Harrington | 12 | Son | — | Arizona |
| 82 | Robert Harrington | 8 | Son | — | Arizona |
| 83 | S. Fensler | 54 | Head | Merchant | Ohio |
| 84 | Beth Fensler | 43 | Wife | — | Kentucky |
| 85 | Lois Fensler | 18 | Daughter | — | Arizona |
| 86 | Marian Fensler | 15 | Daughter | — | Arizona |
| 87 | D. R. Gilbert | 40 | Head | Mechanic | Colorado |
| 88 | Margaret Gilbert | 37 | Wife | — | Colorado |
| 89 | Donald Gilbert | 17 | Son | — | Colorado |
| 90 | Dorothy Gilbert | 9 | Daughter | — | Arizona |
| 91 | Rose Holliday | 43 | Head | Telephone Operator | Arizona |
| 92 | Vaglio, James Holliday | 39 | Roomer | Engineer | Arizona |
| 93 | Paralassa, R. | 28 | Head | Teacher | Illinois |
| 94 | Beebe, Virginia Paralassa | 24 | Roomer | Teacher | California |
| 95 | Summerville, Dorothy Paralassa | 25 | Roomer | Teacher | Illinois |
| 96 | Moreno, Gustavo | 31 | Head | Miner | Mexico |
| 97 | Amelia Moreno | 22 | Sister | — | Mexico |
| 98 | Sandoval, Ramon Moreno | 28 | Roomer | Miner | Mexico |
| 99 | Militezan, George | 34 | Head | Miner | Jugoslavia |
| 100 | Annie Militezan | 23 | Wife | Clerk | Jugoslavia |
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)