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John Mullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Mullen across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Mullen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1929 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jean Mullen | Daughter | — | 11 | ~1929 |
| Edward Mullen | Head | — | 38 | ~1902 |
| Lawrence Mullen | Son | — | 15 | ~1925 |
| Timothy Mullen | Son | — | 13 | ~1927 |
| Gerald Mullen | Son | — | 10 | ~1930 |
| Robert Mullen | Son | — | 17 | ~1923 |
| John Mullen | Son | — | 11 | ~1929 |
| Donald Mullen | Son | — | 9 | ~1931 |
| Anna Mullen | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 1
Suffolk, Massachusetts · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullins |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | Newfoundland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 11
Suffolk-County, Massachusetts · implied b. ~1929 — 9 household members
| Surname | Mullen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Highest Grade | No 6 |
| 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 John Mullen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mullen
Son · 1940 · age 11 · b. ~1929 · Massachusetts
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Sibling
Lawrence Mullen
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mullen
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Timothy Mullen
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Mullen
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Mullen
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Mullen
Sibling · 1940 · age 11
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
1940 US Federal Census — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01673-00432)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas J Davis | 8 | Son | — | Massachusetts |
| 2 | Stephen D Mcdonough | 48 | Head | Stock Clerk | Massachusetts |
| 3 | Josephine Mcdonough | 46 | Wife | — | Massachusetts |
| 4 | Joseph Mcdonough | 12 | Son | — | Massachusetts |
| 5 | Edward J Mullen | 38 | Head | Furniture Salesman | Massachusetts |
| 6 | Anna Mullen | 38 | Wife | — | Massachusetts |
| 7 | Robert D Mullen | 17 | Son | — | Massachusetts |
| 8 | Lawrence Mullen | 15 | Son | — | Massachusetts |
| 9 | Timothy Mullen | 13 | Son | — | Massachusetts |
| 10 | John Mullen THIS PERSON | 11 | Son | — | Massachusetts |
| 11 | Jean Mullen | 11 | Daughter | — | Massachusetts |
| 12 | Gerald Mullen | 10 | Son | — | Massachusetts |
| 13 | Donald Mullen | 9 | Son | — | Massachusetts |
| 14 | Maurice Rosenthal | 39 | Head | Waiter | England |
| 15 | Eva Rosenthal | 37 | Wife | — | Russia |
| 16 | Harold Rosenthal | 13 | Son | — | Massachusetts |
| 17 | Leonard Rosenthal | 9 | Son | — | Massachusetts |
| 18 | Markar Aghajanian | 46 | Head | Shoe Treer | Turkey |
| 19 | Mary Aghajanian | 43 | Wife | Dressmaker | Turkey |
| 20 | Araxi Aghajanian | 16 | Daughter | — | Massachusetts |
| 21 | Zabel Aghajanian | 14 | Daughter | — | Massachusetts |
| 22 | Eliza Aghajanian | 12 | Daughter | — | Massachusetts |
| 23 | Garbis Koresian | 47 | Lodger | Owner | Turkey |
| 24 | Jacob Upatniev | 30 | Head | Taxi Driver | Russia |
| 25 | Ethel Upatniev | 27 | Wife | — | Massachusetts |
| 26 | Evelyn Upatniev | 7 | Daughter | — | Massachusetts |
| 27 | Gelsia Upatniev | 3 | Daughter | — | Massachusetts |
| 28 | Joseph Rubin | 35 | Head | Peddler | Russia |
| 29 | Marion Rubin | 34 | Wife | — | Russia |
| 30 | Albyta Rubin | 12 | Daughter | — | Massachusetts |
| 31 | Arthur Rubin | 7 | Son | — | Massachusetts |
| 32 | Julius R Sackmary | 32 | Head | Chauffeur | Massachusetts |
| 33 | Florence Sackmary | 32 | Wife | — | Russia |
| 34 | Stephen Sackmary | 1 | Son | — | Massachusetts |
| 35 | Bella Sackmary | 59 | Mother | — | Hungary |
| 36 | Anna D Sullivan | 36 | Head | — | Massachusetts |
| 37 | Helen M Sullivan | 16 | Daughter | — | Massachusetts |
| 38 | John L Sullivan | 10 | Son | — | Massachusetts |
| 39 | Phyllis M Sullivan | 5 | Daughter | — | Massachusetts |
| 40 | Solomon H Lieberman | 38 | Head | Senior Clerk | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)