MD
Mary Daley — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Mary Daley across the 1930 and 1940 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 8-person household.
Age 13
b. ~1917
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, Massachusetts |
| Surname | Daley |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Northern Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Andover Town Part |
| Est. Birth Year | ~1917 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| James Daley | Son | — | 2 | ~1928 |
| Annie Daley | Spouse | — | 33 | ~1897 |
| Timothy Daley | Head | — | 32 | ~1898 |
| Dorothy Daley | Daughter | — | 7 | ~1923 |
| Anna Daley | Daughter | — | 9 | ~1921 |
| Timothy Daley | Son | — | 10 | ~1920 |
| Margaret Winter | Other | — | 65 | ~1865 |
| Mary Daley | Daughter | — | 13 | ~1917 |
Census Appearances
1930
Essex, Massachusetts
Daughter, age 13
Essex, Massachusetts · implied b. ~1917 — 8 household members
| Surname | Daley |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Northern Ireland |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 23
Essex-County, Massachusetts · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dailey |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Shawsheen Village - Andover |
| 1935 Residence (County) | Essex |
| Occupation | Packer |
| Industry | Rubber |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Daley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Daley
Daughter · 1930 · age 13 · b. ~1917 · Massachusetts
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Sibling
Dorothy Daley
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Daley
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Daley
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Timothy Daley
Sibling · 1930 · age 10
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 — Essex, Massachusetts
Open full size
1930 US Federal Census — Essex, Massachusetts
Page Contents
48 people indexed on this census page (ia:1930:massachusettscensus00reel894:1056)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Dwyer | 4 | Son | — | Massachusetts |
| 2 | Hilda Dwyer | 2 | Daughter | — | Massachusetts |
| 3 | Mary T. Dwyer | 1 | Daughter | — | Massachusetts |
| 4 | Timothy F. Daley | 32 | Head | Outside Laborer | Massachusetts |
| 5 | Annie E. Daley | 33 | Wife | French Drawer | Northern Ireland |
| 6 | Mary M. Daley THIS PERSON | 13 | Daughter | — | Massachusetts |
| 7 | Timothy F. Jr. Daley | 10 | Son | — | Massachusetts |
| 8 | Anna R. Daley | 9 | Daughter | — | Massachusetts |
| 9 | Dorothy J. Daley | 7 | Daughter | — | Massachusetts |
| 10 | James P. Daley | 2 | Son | — | Massachusetts |
| 11 | Margaret Winter | 65 | Mother-in-law | — | Northern Ireland |
| 12 | Annie Currie | 45 | Head | — | Northern Ireland |
| 13 | William J. Currie | 18 | Son | Laborer | Massachusetts |
| 14 | Margaret E. Currie | 17 | Daughter | Rubber Worker | Massachusetts |
| 15 | Robert Currie | 13 | Son | — | Massachusetts |
| 16 | Robert Y. Cairnie | 52 | Head | Watchman | England |
| 17 | Margaret D. Cairnie | 48 | Wife | — | Scotland |
| 18 | Robert W. Cairnie | 18 | Son | Laborer | Massachusetts |
| 19 | James S. Cairnie | 16 | Son | Pin Setter | Massachusetts |
| 20 | Evalene A. Cairnie | 13 | Daughter | — | Massachusetts |
| 21 | John S. Munro | 45 | Head | Rubber Worker | Scotland |
| 22 | Jessie B. Munro | 43 | Wife | — | Scotland |
| 23 | Jessie Y. Munro | 15 | Daughter | Shoe Maker | Massachusetts |
| 24 | Lillian M. Munro | 14 | Daughter | — | Massachusetts |
| 25 | John S. Jr. Munro | 12 | Son | — | Massachusetts |
| 26 | Isabella S. Munro | 10 | Daughter | — | Massachusetts |
| 27 | Dorothy Munro | 8 | Daughter | — | Massachusetts |
| 28 | Gladys Munro | 5 | Daughter | — | Massachusetts |
| 29 | William C. Munro | 4 | Son | — | Massachusetts |
| 30 | Barbara K. Munro | 2 | Daughter | — | Massachusetts |
| 31 | Margaret H. Hughes | 50 | Head | — | Scotland |
| 32 | Joseph P. Hughes | 30 | Son | Box Maker | New York |
| 33 | Charles F. Hughes | 27 | Son | Shoe Maker | New York |
| 34 | John A. Hughes | 24 | Son | Clerk | New York |
| 35 | Philip W. Hughes | 17 | Son | Salesman | New York |
| 36 | William J. Snyder | 29 | Head | Ice Dealer | New Jersey |
| 37 | Mary Snyder | 32 | Wife | — | Scotland |
| 38 | Mary A. Snyder | 9 | Daughter | — | New Jersey |
| 39 | Emma V. Snyder | 6 | Daughter | — | Massachusetts |
| 40 | Elsie C. Snyder | 4 | Daughter | — | Massachusetts |
| 41 | William H. R. Snyder | 50 | Father | Junk Dealer | Pennsylvania |
| 42 | Alexander Cameron | 22 | Head | Laborer | Massachusetts |
| 43 | Myrtle P. Cameron | 24 | Wife | — | Massachusetts |
| 44 | Bruce J. Cameron | 3 | Son | — | Massachusetts |
| 45 | George W. Cameron | 1 | Son | — | Massachusetts |
| 46 | Olive E. Earley | 28 | Lodger | Rubber Worker | Massachusetts |
| 47 | Ray E. Earley | 4 | Lodger | — | Massachusetts |
| 48 | Laura B. Earley | 4 | Lodger | — | 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)