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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 head (b.~1884), then head of a 8-person household.
Age 56
b. ~1884
Male
Head
Born: Northern Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Mullen |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Northern Ireland |
| 1935 Residence (City) | BOSTON |
| 1935 Residence (County) | SUFFOLK |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Guard |
| Industry | Boston Elevated Railway |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birthplace (normalized) | northern ireland |
| Occupation | Guard |
| Township / Ward | Boston |
| Est. Birth Year | ~1884 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Josephine Mullen | Daughter | — | 21 | ~1919 |
| Emily Mullen | Daughter | — | 17 | ~1923 |
| John Mullen | Head | — | 56 | ~1884 |
| Thomas Mullen | Son | — | 12 | ~1928 |
| James Mullen | Son | — | 10 | ~1930 |
| John Mullen | Son | — | 27 | ~1913 |
| Fredrick Mullen | Son | — | 14 | ~1926 |
| Anna Mullen | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Suffolk, Massachusetts
Head, age 46
Suffolk, Massachusetts · implied b. ~1884 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullen |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Northern Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 26 |
| Father's Birthplace | Northern Ireland |
| Mother's Birthplace | Northern Ireland |
| Occupation | guard |
| Industry | electric R.R. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 20.00 |
| Birthplace (normalized) | northern ireland |
1940
Suffolk-County, Massachusetts
Head, age 56
Suffolk-County, Massachusetts · implied b. ~1884 — 8 household members
| Surname | Mullen |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Northern Ireland |
| 1935 Residence (City) | BOSTON |
| 1935 Residence (County) | SUFFOLK |
| Naturalization Status | Naturalized |
| Occupation | Guard |
| Industry | Boston Elevated Railway |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birthplace (normalized) | northern ireland |
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.
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This person
Anchor record
John Mullen
Head · 1940 · age 56 · b. ~1884 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Suffolk-County, Massachusetts
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1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01674-00631)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harriet M. Merry | 72 | Head | — | Massachusetts |
| 2 | Dorothea Merry | 38 | Daughter | Stenographer | Massachusetts |
| 3 | Leonard M. Wetmore | 40 | Lodger | Mechanic | Massachusetts |
| 4 | Bridget V. Hyder | 67 | Head | — | Massachusetts |
| 5 | Marion L. Hyder | 41 | Daughter | Supervisor | Massachusetts |
| 6 | Arthur F. Hyder | 34 | Son | Inspector | Massachusetts |
| 7 | Joseph W. Hyder | 20 | Son | — | Massachusetts |
| 8 | Mary G. Burke | 61 | Head | — | Irish Free State |
| 9 | Ruth E. Burke | 29 | Daughter | Teacher | Massachusetts |
| 10 | John G. Burke | 26 | Son | Clerk | Massachusetts |
| 11 | Thomas Gosnell | 71 | Brother | Mechanic | Irish Free State |
| 12 | Walter A. Stenhouse | 31 | Head | Clerk | Massachusetts |
| 13 | Bertha M. Stenhouse | 27 | Wife | — | Massachusetts |
| 14 | Helen E. Stenhouse | 5 | Daughter | — | Massachusetts |
| 15 | Laurence G. Stenhouse | 4 | Son | — | Massachusetts |
| 16 | Walter A. Stenhouse | 2 | Son | — | Massachusetts |
| 17 | William C. Eichorn | 68 | Head | Fish Cutter | Massachusetts |
| 18 | Annie M. Eichorn | 67 | Wife | — | England |
| 19 | John J. Kenney | 75 | Head | — | Irish Free State |
| 20 | Catherine M. Kenney | 71 | Wife | — | New York |
| 21 | Robert F. Kiley | 66 | Head | — | Massachusetts |
| 22 | Julia A. Sheehan | 60 | Lodger | Seamstress | Massachusetts |
| 23 | Josephine A. Martin | 70 | Head | Teacher | Massachusetts |
| 24 | Daniel F. Martin | 66 | Brother | — | Massachusetts |
| 25 | Annie L. Martin | 62 | Sister | — | Massachusetts |
| 26 | Helen J. Martin | 32 | Niece | Teacher | Massachusetts |
| 27 | Dorothy A. Martin | 23 | Niece | — | Massachusetts |
| 28 | Chester W. French | 25 | Head | Packer | Massachusetts |
| 29 | Violet E. French | 25 | Wife | — | Massachusetts |
| 30 | Nancy V. French | 1 | Daughter | — | Massachusetts |
| 31 | Mary E. Magoldrick | 52 | Head | Teacher | Massachusetts |
| 32 | Frances V. Magoldrick | 81 | Mother | — | New York |
| 33 | John Mullen THIS PERSON | 56 | Head | Guard | Northern Ireland |
| 34 | Anna E. Mullen | 47 | Wife | — | Massachusetts |
| 35 | John F. Mullen | 27 | Son | Clerk | Massachusetts |
| 36 | Josephine Mullen | 21 | Daughter | — | Massachusetts |
| 37 | Emily E. Mullen | 17 | Daughter | — | Massachusetts |
| 38 | Fredrick Mullen | 14 | Son | — | Massachusetts |
| 39 | Thomas Mullen | 12 | Son | — | Massachusetts |
| 40 | James Mullen | 10 | Son | — | Massachusetts |
Related Census Records
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)