MA
Mary Arnold — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Worcester, Massachusetts
Our Model Tree links this Mary Arnold across the 1900, 1910, 1920 and 1930 US Censuses in Worcester, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1852), then head of a 3-person household.
Age 78
b. ~1852
Female
Head
Born: Massachusetts
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Worcester, Massachusetts |
| Surname | Arnold |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 33 |
| Radio Set | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Worcester City |
| Est. Birth Year | ~1852 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Arnold | Daughter | — | 44 | ~1886 |
| Mary Arnold | Head | — | 78 | ~1852 |
| Percy Arnold | Son | — | 39 | ~1891 |
Census Appearances
1900
Worcester, Massachusetts
Spouse, age 48
Worcester, Massachusetts · implied b. ~1852 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Birth Month | Sept |
| Birth Year | 1852 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1910
Worcester, Massachusetts
Spouse, age 59
Worcester, Massachusetts · implied b. ~1851 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Years Married | 37 |
| Children Born | 2 |
| Children Living | 2 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Worcester, Massachusetts
Spouse, age 68
Worcester, Massachusetts · implied b. ~1852 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Head, age 78
Worcester, Massachusetts · implied b. ~1852 — 3 household members
| Surname | Arnold |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 33 |
| Radio Set | R |
| 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 Arnold across 4 US Census years (1900, 1910, 1920 and 1930) in Worcester, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Mary Arnold
Head · 1930 · age 78 · b. ~1852 · 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 — Worcester, Massachusetts
Open full size
1930 US Federal Census — Worcester, Massachusetts
Page Contents
44 people indexed on this census page (ia:1930:massachusettscensus00reel971:0223)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Lovely | 43 | Head | Laborer | Vermont |
| 2 | Georgiana Lovely | 35 | Wife-H | Presser | Canada-French |
| 3 | Foracy Lovely | 45 | Boarder | Presser | Massachusetts |
| 4 | Virginia Romano | 27 | Head | Saleslady | Portugal |
| 5 | Richard Romano | 9 | Son | — | Massachusetts |
| 6 | Jeanette Romano | 4 | Daughter | — | Massachusetts |
| 7 | Margaret Hanrahan | 27 | Boarder | Packer | Massachusetts |
| 8 | Edward Lindstrom | 47 | Head | Sorter | Sweden |
| 9 | Anna Lindstrom | 42 | Wife-H | — | New Hampshire |
| 10 | Clara Lindstrom | 18 | Daughter | — | Massachusetts |
| 11 | Anna Lindstrom | 16 | Daughter | Assembler | Massachusetts |
| 12 | Mary A. Arnold THIS PERSON | 78 | Head | — | Massachusetts |
| 13 | Percy A. Arnold | 39 | Son | Janitor | Massachusetts |
| 14 | Helen Arnold | 44 | Daughter | Teacher | Massachusetts |
| 15 | Minnie Luce | 51 | Head | — | Massachusetts |
| 16 | Roy H. Luce | 28 | Son | Spinner | Massachusetts |
| 17 | Leo J. Luce | 16 | Son | Helper | Massachusetts |
| 18 | Francis Luce | 13 | Son | — | Massachusetts |
| 19 | Mildred M. Luce | 9 | Daughter | — | Massachusetts |
| 20 | Hermes Derrosiers | 42 | Head | Mechanic | Massachusetts |
| 21 | Albina Derrosiers | 38 | Wife-H | Assembler | Massachusetts |
| 22 | Edmond Derrosiers | 18 | Son | Helper | Massachusetts |
| 23 | Jeanette Derrosiers | 17 | Daughter | Assembler | Massachusetts |
| 24 | Anita Derrosiers | 15 | Daughter | — | Massachusetts |
| 25 | Milton Derrosiers | 13 | Son | — | Massachusetts |
| 26 | Ralph Derrosiers | 10 | Son | — | Massachusetts |
| 27 | Madeline Derrosiers | 9 | Daughter | — | Massachusetts |
| 28 | Loretta Derrosiers | 7 | Daughter | — | Massachusetts |
| 29 | Fred Pichel | 42 | Lodger | Laborer | Canada-French |
| 30 | Timothy Laley | 49 | Head | Helper | Rhode Island |
| 31 | Anna Laley | 40 | Wife-H | — | Rhode Island |
| 32 | Viola J. Laley | 22 | Daughter | Packer | Massachusetts |
| 33 | Raymond Laley | 16 | Son | — | Massachusetts |
| 34 | Frederick Laley | 14 | Son | — | Massachusetts |
| 35 | Walter Laley | 13 | Son | — | Massachusetts |
| 36 | Chester Laley | 11 | Son | — | Massachusetts |
| 37 | Leo Laley | 9 | Son | — | Massachusetts |
| 38 | Beatrice Laley | 7 | Daughter | — | Massachusetts |
| 39 | Doris Laley | 5 | Daughter | — | Massachusetts |
| 40 | Edmond Laley | 3 | Son | — | Massachusetts |
| 41 | Paul N. Laley | 0 | Son | — | Massachusetts |
| 42 | Caspar Safer | 55 | Head | Wire-Maker | Turkey |
| 43 | Margaret Safer | 52 | Wife-H | — | Turkey |
| 44 | William Safer | 24 | Son | Finisher | Massachusetts |
Related Census Records
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)