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John Mullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Mullen across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 3-person household.
Age 53
b. ~1887
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Mullen |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Lawrence city |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | electrician |
| Industry | woolen mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1664 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Electrician |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1887 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mullen | Head | — | 53 | ~1887 |
| Arthur Mullen | Son | — | 30 | ~1910 |
| Bessie Mullen | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 33
Middlesex, Massachusetts · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullane |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1910 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Steam Fitter |
| Industry | Construction |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Scotland |
| Year of Naturalization | 1916 |
| Birthplace (normalized) | scotland |
1930
Middlesex, Massachusetts
Head, age 42
Middlesex, Massachusetts · implied b. ~1888
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Mullen |
| Given Name | John M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 33 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Paper Hanger |
| Industry | Own shop |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 9000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Essex-County, Massachusetts
Head, age 53
Essex-County, Massachusetts · implied b. ~1887 — 3 household members
| Surname | Mullen |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Lawrence city |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Occupation | electrician |
| Industry | woolen mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1664 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mullen
Head · 1940 · age 53 · b. ~1887 · 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01584-00004)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert J. Allen | 48 | Head | Traveling Salesman | England |
| 2 | Margaret R. Allen | 48 | Wife | — | Massachusetts |
| 3 | Herbert R. Allen | 24 | Son | Attendant | Massachusetts |
| 4 | Rita E. Allen | 23 | daughter | Hairdresser | Massachusetts |
| 5 | Mary Moore | 55 | sister-in-law | — | Massachusetts |
| 6 | Harry E. Garland | 56 | Head | Laborer | New Hampshire |
| 7 | Alice Garland | 67 | Wife | — | England |
| 8 | Frank Garland | 24 | Son | Laborer | New Hampshire |
| 9 | Sadie Muzzey | 74 | Head | — | New Hampshire |
| 10 | Elmer Daly | 70 | Lodger | — | Massachusetts |
| 11 | Joseph H. Barry | 58 | Head | Laborer - Wpa | Massachusetts |
| 12 | Sena Barry | 65 | Wife | — | Massachusetts |
| 13 | Walter J. Barry | 17 | Son | New Worker | Massachusetts |
| 14 | Warren Magoon | 32 | Head | Painter | Massachusetts |
| 15 | Virginia Magoon | 33 | Wife | Burler | Massachusetts |
| 16 | John W. Mccarty | 30 | Head | Salesman | Massachusetts |
| 17 | Cecile Mccarty | 30 | Wife | — | Massachusetts |
| 18 | Carol Ann Mccarty | 3 | daughter | — | Massachusetts |
| 19 | Marilyn Mccarty | 2 | daughter | — | Massachusetts |
| 20 | Eileen Mccarty | 1 | daughter | — | Massachusetts |
| 21 | Margaret A. Mcgovern | 73 | Head | — | Massachusetts |
| 22 | John Mullen THIS PERSON | 53 | Head | Electrician | Scotland |
| 23 | Bessie Mullen | 49 | Wife | Burler | England |
| 24 | Arthur Mullen | 30 | Son | Steam Engineer | Massachusetts |
| 25 | Rufus Bailey | 49 | Head | Dry Finisher | Massachusetts |
| 26 | Estelle Bailey | 46 | Wife | — | Massachusetts |
| 27 | — | None | — | — | — |
| 28 | John Farrington | 43 | Head | Fireman | Massachusetts |
| 29 | Esther Farrington | 41 | Wife | — | Massachusetts |
| 30 | John Farrington | 18 | Son | — | Massachusetts |
| 31 | Charles Farrington | 16 | Son | — | Massachusetts |
| 32 | Marguerette Farrington | 11 | daughter | — | Massachusetts |
| 33 | H. Marion Henderson | 36 | sister-in-law | Stenographer | Massachusetts |
| 34 | Josiah Brown | 46 | Head | Proprietor | Massachusetts |
| 35 | Winifred Brown | 39 | Wife | — | Scotland |
| 36 | George Brown | 13 | Son | — | Massachusetts |
| 37 | Winifred Brown | 12 | daughter | — | Massachusetts |
| 38 | Eleanor Brown | 11 | daughter | — | Massachusetts |
| 39 | Bernice Brown | 10 | daughter | — | Massachusetts |
| 40 | Richard Brown | 6 | 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)