JD
James Daly — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this James Daly across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 18-person household.
Age 15
b. ~1915
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Daly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Arlington Town Part Of |
| Est. Birth Year | ~1915 |
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.
18 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Daly | Other | — | 55 | ~1875 |
| John Daly | Head | — | 55 | ~1875 |
| Alice Daly | Other | — | 45 | ~1885 |
| Robert Daly | Other | — | 40 | ~1890 |
| John Daly | Son | — | 25 | ~1905 |
| Alice Daly | Other | — | 80 | ~1850 |
| Mary Daly | Spouse | — | 50 | ~1880 |
| Alice Daly | Daughter | — | 18 | ~1912 |
| William Daly | Son | — | 12 | ~1918 |
| Edward Daly | Son | — | 6 | ~1924 |
| Helen Daly | Other | — | 50 | ~1880 |
| Robert Daly | Son | — | 10 | ~1920 |
| James Daly | Son | — | 15 | ~1915 |
| William Daly | Other | — | 30 | ~1900 |
| Richard Daly | Son | — | 8 | ~1922 |
| Mary Daly | Daughter | — | 22 | ~1908 |
| Helen Daly | Daughter | — | 20 | ~1910 |
| Edward Daly | Other | — | 35 | ~1895 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 15
Middlesex, Massachusetts · implied b. ~1915 — 18 household members
| Surname | Daly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Other, age 25
Middlesex-County, Massachusetts · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daley |
| Given Name | James |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Occupation | Rubber Worker |
| Industry | Rubber Shoe Fac |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 500 |
| Highest Grade | H 4 |
| 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 James Daly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Daly
Son · 1930 · age 15 · b. ~1915 · Massachusetts
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Sibling
William Daly
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Daly
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Daly
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Daly
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Daly
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Daly
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Daly
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Daly
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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
45 people indexed on this census page (ia:1930:massachusettscensus00reel914:0151)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 56 | Elito Capone | 33 | Head | Shoe Maker | Italy |
| 57 | Mary Capone | 32 | Wife | — | Italy |
| 58 | Angelo Capone | 13 | Son | — | Massachusetts |
| 59 | Joseph Capone | 11 | Son | — | Massachusetts |
| 60 | Mary Capone | 10 | Daughter | — | Massachusetts |
| 61 | Rose Capone | 8 | Daughter | — | Massachusetts |
| 62 | Dorothy Capone | 7 | Daughter | — | Massachusetts |
| 63 | Alice Capone | 5 | Daughter | — | Massachusetts |
| 64 | William Capone | 3 | Son | — | Massachusetts |
| 65 | Eleanor Capone | 2 | Daughter | — | Massachusetts |
| 66 | Arthur Capone | 1 | Son | — | Massachusetts |
| 67 | James Capone | 29 | Brother | Shoe Maker | Italy |
| 68 | John Capone | 27 | Brother | — | Italy |
| 69 | Angelo Capone | 68 | Father | — | Italy |
| 70 | Mary Capone | 67 | Mother | — | Italy |
| 71 | John Capone | 25 | Brother | Shoe Repairer | Italy |
| 72 | Joseph Capone | 27 | Brother | — | Italy |
| 73 | Rose Capone | 24 | Sister | — | Italy |
| 74 | Mary Capone | 22 | Sister | — | Italy |
| 75 | Alice Capone | 20 | Sister | — | Italy |
| 76 | John Lutkus | 35 | Head | Pressman | Lithuania |
| 77 | Mary Lutkus | 30 | Wife | Pressman | Lithuania |
| 78 | John Lutkus | 6 | Son | — | Massachusetts |
| 79 | William Williams | 40 | Head | Manager | Massachusetts |
| 80 | Helen Williams | 35 | Wife | — | Massachusetts |
| 81 | William Williams | 10 | Son | — | Massachusetts |
| 82 | Robert Williams | 8 | Son | — | Massachusetts |
| 83 | John Daly | 55 | Head | — | New Hampshire |
| 84 | Mary Daly | 50 | Wife | — | New Hampshire |
| 85 | John Daly | 25 | Son | — | Massachusetts |
| 86 | Mary Daly | 22 | Daughter | — | Massachusetts |
| 87 | Helen Daly | 20 | Daughter | — | Massachusetts |
| 88 | Alice Daly | 18 | Daughter | — | Massachusetts |
| 89 | James Daly THIS PERSON | 15 | Son | — | Massachusetts |
| 90 | William Daly | 12 | Son | — | Massachusetts |
| 91 | Robert Daly | 10 | Son | — | Massachusetts |
| 92 | Richard Daly | 8 | Son | — | Massachusetts |
| 93 | Edward Daly | 6 | Son | — | Massachusetts |
| 94 | Alice Daly | 80 | Mother | — | Maine |
| 95 | Mary Daly | 55 | Sister | — | Maine |
| 96 | Helen Daly | 50 | Sister | — | Maine |
| 97 | Alice Daly | 45 | Sister | — | Maine |
| 98 | Robert Daly | 40 | Brother | — | Maine |
| 99 | Edward Daly | 35 | Brother | — | Maine |
| 100 | William Daly | 30 | Brother | — | Maine |
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)