JM
James Mulligan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this James Mulligan across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Peter — first a head (b.~1901), then head of a 11-person household.
Age 39
b. ~1901
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Mulligan |
| Given Name | James P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Forge Village |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Supervisor |
| Industry | Woolen Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 136 |
| Highest Grade | No 10 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Supervisor |
| Township / Ward | Forge Village |
| Est. Birth Year | ~1901 |
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 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Mulligan | Head | — | 39 | ~1901 |
| Francis Mulligan | Son | — | 13 | ~1927 |
| Eleanor Mulligan | Spouse | — | 34 | ~1906 |
| James Mulligan | Son | — | 10 | ~1930 |
| Jane Mulligan | Daughter | — | 14 | ~1926 |
| Patricia Mulligan | Daughter | — | 1 | ~1939 |
| Ann Mulligan | Daughter | — | 3 | ~1937 |
| Patrick Mulligan | Son | — | 2 | ~1938 |
| Sheila Mulligan | Daughter | — | 9 | ~1931 |
| John Mulligan | Son | — | 7 | ~1933 |
| Eleanor Mulligan | Daughter | — | 12 | ~1928 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 19
Middlesex, Massachusetts · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mulligan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1914 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | England |
| Occupation | Second Hand |
| Industry | Woolen Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Middlesex, Massachusetts
Head, age 28
Middlesex, Massachusetts · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mulligan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 23 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Overseer |
| Industry | Woolen Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 16 |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Middlesex-County, Massachusetts
Head, age 39
Middlesex-County, Massachusetts · implied b. ~1901 — 11 household members
| Surname | Mulligan |
| Given Name | James P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Forge Village |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Occupation | Supervisor |
| Industry | Woolen Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 136 |
| Highest Grade | No 10 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Mulligan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Mulligan (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Mulligan
b. ~1870
Source father
● Household
· direct · ~0.92
This person
Anchor record
James Mulligan
Head · 1940 · age 39 · b. ~1901 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01621-00349)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Dudevoir | 55 | Head | Machinist | Canada |
| 42 | Mary A Dudevoir | 55 | Wife | — | Nova Scotia |
| 43 | Vincent Dudevoir | 25 | Son | Clerk | Massachusetts |
| 44 | Rita Dudevoir | 24 | Daughter | Spinner | Massachusetts |
| 45 | Ellen Dudevoir | 20 | Daughter | Checker | Massachusetts |
| 46 | Irene Dudevoir | 18 | Daughter | Book Keeper | Massachusetts |
| 47 | Constance Dudevoir | 17 | Daughter | Winder | Massachusetts |
| 48 | Eleanor Dudevoir | 15 | Daughter | — | Massachusetts |
| 49 | Jean Dudevoir | 10 | Daughter | — | Massachusetts |
| 50 | Alberic Grenier | 41 | Head | Second Hand | Massachusetts |
| 51 | Blanche Fa Grenier | 40 | Wife | Winder | Canada |
| 52 | Armand Grenier | 18 | Son | Doffer | Massachusetts |
| 53 | Jean Grenier | 17 | Daughter | Doffer | Massachusetts |
| 54 | Simone Grenier | 16 | Daughter | — | Massachusetts |
| 55 | Lucille Grenier | 14 | Daughter | — | Massachusetts |
| 56 | Jacqueline Grenier | 12 | Daughter | — | Massachusetts |
| 57 | Edmond Pela Haye | 56 | Head | Carpenter | Jersey Is. |
| 58 | Evelyn Pela Haye | 47 | Wife | — | Massachusetts |
| 59 | Kenneth Pela Haye | 21 | Son | Wool Tester | Massachusetts |
| 60 | Paul Pela Haye | 9 | Boarder | — | Massachusetts |
| 61 | James P Mulligan THIS PERSON | 39 | Head | Supervisor | England |
| 62 | Eleanor T Mulligan | 34 | Wife | — | Massachusetts |
| 63 | Jane E Mulligan | 14 | Daughter | — | Massachusetts |
| 64 | Francis J Mulligan | 13 | Son | — | Massachusetts |
| 65 | Eleanor N Mulligan | 12 | Daughter | — | Massachusetts |
| 66 | James Mulligan | 10 | Son | — | Massachusetts |
| 67 | Sheila Mulligan | 9 | Daughter | — | Massachusetts |
| 68 | John N Mulligan | 7 | Son | — | Massachusetts |
| 69 | Ann M Mulligan | 3 | Daughter | — | Massachusetts |
| 70 | Patrick B Mulligan | 2 | Son | — | Massachusetts |
| 71 | Patricia A Mulligan | 1 | Daughter | — | Massachusetts |
| 72 | Edmund J Hunt | 61 | Head | Night Superintendent | England |
| 73 | Annie Hunt | 63 | Wife | — | Scotland |
| 74 | Efrie Collins | 79 | Head | — | Massachusetts |
| 75 | Emily Collins | 56 | Daughter | Drawing | Massachusetts |
| 76 | Bertha Collins | 50 | Daughter | Book Keeper | Rhode Island |
| 77 | Ethel M Collins | 38 | Daughter | Examiner Of Claims | Rhode Island |
| 78 | Winifred Mc Kniff | 34 | Head | Warper | England |
| 79 | Eileen Mc Kniff | 30 | Sister | Spooler | England |
| 80 | William Mc Kniff | 26 | Brother | Trucker | Massachusetts |
Related Census Records
Pedigree Summary
James
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)