JM
James Mullen — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this James Mullen across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 11-person household.
Age 6
b. ~1924
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Mullen |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lowell City |
| Est. Birth Year | ~1924 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Joseph Mullen | Son | — | 4 | ~1926 |
| Margaret Tatro | Other | — | 69 | ~1861 |
| James Mullen | Son | — | 6 | ~1924 |
| Cornelius Mullen | Head | — | 45 | ~1885 |
| Frank Mullen | Son | — | 1 | ~1929 |
| Edward Mullen | Son | — | 8 | ~1922 |
| John Mullen | Son | — | 9 | ~1921 |
| Angela Mullen | Spouse | — | 43 | ~1887 |
| Cornelius Mullen | Son | — | 18 | ~1912 |
| Margaret Mullen | Daughter | — | 22 | ~1908 |
| Abigail Mullen | Daughter | — | 11 | ~1919 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 6
Middlesex, Massachusetts · implied b. ~1924 — 11 household members
| Surname | Mullen |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 16
Middlesex-County, Massachusetts · implied b. ~1924 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mellon |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 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 Mullen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mullen
Son · 1930 · age 6 · b. ~1924 · Massachusetts
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Sibling
John Mullen
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Abigail Mullen
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mullen
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mullen
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Mullen
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cornelius Mullen
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mullen
Sibling · 1930 · age 4
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
50 people indexed on this census page (ia:1930:massachusettscensus00reel920:0702)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Catherine Doherty | 72 | Head | — | Massachusetts |
| 52 | Alex Yarosh | 35 | Head | Laborer | Lithuania |
| 53 | Mary Yarosh | 33 | Wife | — | Lithuania |
| 54 | Helen Yarosh | 10 | Daughter | — | Massachusetts |
| 55 | Peter Yarosh | 8 | Son | — | Massachusetts |
| 56 | Catherine Yarosh | 7 | Daughter | — | Massachusetts |
| 57 | William Yarosh | 5 | Son | — | Massachusetts |
| 58 | Madeline Yarosh | 3 | Daughter | — | Massachusetts |
| 59 | Anthony Yarosh | 1 | Son | — | Massachusetts |
| 60 | Anna Yarosh | 0 | Daughter | — | Massachusetts |
| 61 | Samuel Bagley | 25 | Head | — | New York |
| 62 | Alice Bagley | 23 | Wife | Shoe Worker | Massachusetts |
| 63 | Arthur Bagley | 1 | Son | — | Massachusetts |
| 64 | Francis Smith | 24 | Boarder | Laborer | Massachusetts |
| 65 | George David | 40 | Head | Laborer | Syria |
| 66 | Sadie David | 35 | Wife | — | Syria |
| 67 | George David | 15 | Son | — | Massachusetts |
| 68 | Rose David | 13 | Daughter | — | Massachusetts |
| 69 | Rita David | 8 | Daughter | — | Massachusetts |
| 70 | Samuel Gannon | 30 | Head | Spinner | Syria |
| 71 | Margaret Gannon | 23 | Wife | Spinner | Syria |
| 72 | John J. Riley | 60 | Boarder | Laborer | New York |
| 73 | Cornelius Mullen | 45 | Head | Laborer | Massachusetts |
| 74 | Angela Mullen | 43 | Wife | — | Massachusetts |
| 75 | Margaret Mullen | 22 | Daughter | Shoe Worker | Massachusetts |
| 76 | Cornelius Mullen | 18 | Son | — | Massachusetts |
| 77 | Abigail Mullen | 11 | Daughter | — | Massachusetts |
| 78 | John Mullen | 9 | Son | — | Massachusetts |
| 79 | Edward Mullen | 8 | Son | — | Massachusetts |
| 80 | James Mullen THIS PERSON | 6 | Son | — | Massachusetts |
| 81 | Joseph Mullen | 4 | Son | — | Massachusetts |
| 82 | Frank Mullen | 1 | Son | — | Massachusetts |
| 83 | Margaret Tatro | 69 | Mother-in-law | — | Massachusetts |
| 84 | Andrew Powers | 43 | Head | Laborer | Massachusetts |
| 85 | Mary Powers | 40 | Wife | — | Massachusetts |
| 86 | William Powers | 14 | Son | — | Massachusetts |
| 87 | Andrew Powers | 11 | Son | — | Massachusetts |
| 88 | John Powers | 10 | Son | — | Massachusetts |
| 89 | Michael Bagley | 37 | Head | Spinner | New York |
| 90 | Gertrude Bagley | 36 | Wife | — | Massachusetts |
| 91 | Edward Bagley | 13 | Son | — | Massachusetts |
| 92 | Francis Bagley | 11 | Son | — | Massachusetts |
| 93 | Gertrude Bagley | 9 | Daughter | — | Massachusetts |
| 94 | Catherine Bagley | 7 | Daughter | — | Massachusetts |
| 95 | Michael Bagley | 5 | Son | — | Massachusetts |
| 96 | Rita Bagley | 4 | Daughter | — | Massachusetts |
| 97 | Mary Bagley | 1 | Daughter | — | Massachusetts |
| 98 | Louis Anderson | 42 | Head | Carpenter | Massachusetts |
| 99 | Irene Anderson | 31 | Wife | — | Massachusetts |
| 100 | Muriel Anderson | 10 | Daughter | — | Massachusetts |
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)