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Mary Mullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Mullen across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 6-person household.
Age 51
b. ~1889
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Mullen |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | No |
| Hours Worked | 0 |
| Highest Grade | G 6 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Boston City |
| Est. Birth Year | ~1889 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mullen | Daughter | — | 17 | ~1923 |
| Peter Mullen | Head | — | 51 | ~1889 |
| Robert Mullen | Son | — | 15 | ~1925 |
| Peter Mullen | Son | — | 11 | ~1929 |
| John Mullen | Son | — | 18 | ~1922 |
| Mary Mullen | Spouse | — | 51 | ~1889 |
Census Appearances
1930
Middlesex, Massachusetts
Spouse, age 40
Middlesex, Massachusetts · implied b. ~1890 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1913 |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Suffolk-County, Massachusetts
Spouse, age 51
Suffolk-County, Massachusetts · implied b. ~1889 — 6 household members
| Surname | Mullen |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Class of Worker | No |
| Hours Worked | 0 |
| Highest Grade | G 6 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | 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 Mary Mullen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mullen
Spouse · 1940 · age 51 · b. ~1889 · 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
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
28 people indexed on this census page (nara:1940:m-t0627-01664-00741)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Stella Woods | 27 | Wife | — | Newfoundland |
| 2 | Paul Woods | 8 | Son | — | Massachusetts |
| 3 | Gerald Woods | 6 | Son | — | Massachusetts |
| 4 | Shirley Woods | 5 | Daughter | — | Massachusetts |
| 5 | Carol Ann Woods | 4 | Daughter | — | Massachusetts |
| 6 | Ronald Woods | 3 | Son | — | Massachusetts |
| 7 | Marilyn Woods | 1 | Daughter | — | Massachusetts |
| 8 | Mary Murphy | 49 | Head | — | Ireland |
| 9 | Peter Murphy | 20 | Son | Longshoreman | Massachusetts |
| 10 | Thomas Murphy | 18 | Son | New Worker | Massachusetts |
| 11 | Anna Murphy | 15 | Daughter | — | Massachusetts |
| 12 | Joseph Murphy | 13 | Son | — | Massachusetts |
| 13 | Veronica Murphy | 11 | Daughter | — | Massachusetts |
| 14 | Delia Lieman | 65 | Head | — | Ireland |
| 15 | Peter Mullen | 51 | Head | Laborer | Ireland |
| 16 | Mary Mullen THIS PERSON | 51 | Wife | — | Ireland |
| 17 | John Mullen | 18 | Son | New Worker | Massachusetts |
| 18 | Margaret Mullen | 17 | Daughter | — | Massachusetts |
| 19 | Robert Mullen | 15 | Son | — | Massachusetts |
| 20 | Peter Mullen | 11 | Son | — | Massachusetts |
| 21 | Michael Norton | 46 | Head | — | Ireland |
| 22 | Salina Norton | 45 | Wife | — | Ireland |
| 23 | Michael Norton | 11 | Son | — | Massachusetts |
| 24 | John Norton | 10 | Son | — | Massachusetts |
| 25 | Thomas Norton | 8 | Son | — | Massachusetts |
| 26 | Joseph Norton | 7 | Son | — | Massachusetts |
| 27 | Mark Norton | 6 | Son | — | Massachusetts |
| 28 | Paul Norton | 3 | Son | — | 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)