JM
James Mcdonough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this James Mcdonough across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1901), then head of a 7-person household.
Age 39
b. ~1901
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McDonough |
| Given Name | James J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Installer |
| Industry | Telephone |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 450 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Installer |
| Township / Ward | Boston City |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Patricia Mcdonough | Daughter | — | 4 | ~1936 |
| James Mcdonough | Head | — | 39 | ~1901 |
| Rose Mcdonough | Spouse | — | 38 | ~1902 |
| James Mcdonough | Son | — | 6 | ~1934 |
| Richard Mcdonough | Son | — | 3 | ~1937 |
| Mary Mcdonough | Daughter | — | 9 | ~1931 |
| Daniel Mcdonough | Son | — | ~1940 |
Census Appearances
1930
Suffolk, Massachusetts
Head, age 28
Suffolk, Massachusetts · implied b. ~1902 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | James J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 26 |
| Father's Birthplace | Free State Ireland |
| Mother's Birthplace | Free State Ireland |
| Occupation | Lineman |
| Industry | Telephone Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35.00 |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 39
Suffolk-County, Massachusetts · implied b. ~1901 — 7 household members
| Surname | McDonough |
| Given Name | James J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Occupation | Installer |
| Industry | Telephone |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 450 |
| Highest Grade | Hs 4 |
| 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 James Mcdonough across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Mcdonough
Head · 1940 · age 39 · b. ~1901 · 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
39 people indexed on this census page (nara:1940:m-t0627-01680-00886)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary M. Brennan | 40 | Wife | — | Illinois |
| 2 | Harry L. Jr. Brennan | 16 | Son | — | Massachusetts |
| 3 | James C. Brennan | 14 | Son | — | Massachusetts |
| 4 | Arthur F. Brennan | 13 | Son | — | Massachusetts |
| 5 | Marie T. Brennan | 11 | Daughter | — | Massachusetts |
| 6 | Richard J. Brennan | 6 | Son | — | Massachusetts |
| 7 | Roger Khoury | 61 | Head | Insurance Agent | Syria |
| 8 | Alma Khoury | 57 | Wife | — | Syria |
| 9 | Alfred Khoury | 30 | Son | Real Estate Agt | Massachusetts |
| 10 | Edward Khoury | 25 | Son | Gasoline Station | Massachusetts |
| 11 | Mary A. Mccaffrey | 62 | Head | — | England |
| 12 | John J. Mccaffrey | 38 | Son | Electrician | Massachusetts |
| 13 | Joseph A. Mccaffrey | 36 | Son | Active Service | Massachusetts |
| 14 | Esther L. Mccaffrey | 33 | Daughter | Mail Order Clerk | Massachusetts |
| 15 | James J. Mcdonough THIS PERSON | 39 | Head | Installer | Massachusetts |
| 16 | Rose Mcdonough | 38 | Wife | — | Massachusetts |
| 17 | Mary Mcdonough | 9 | Daughter | — | Massachusetts |
| 18 | Patricia Mcdonough | 4 | Daughter | — | Massachusetts |
| 19 | James Mcdonough | 6 | Son | — | Massachusetts |
| 20 | Richard Mcdonough | 3 | Son | — | Massachusetts |
| 21 | Daniel Mcdonough | 0 | Son | — | Massachusetts |
| 23 | Herman W. Taube | 26 | Head | Automobile Painter | Massachusetts |
| 24 | Lillian W. Taube | 27 | Wife | — | Massachusetts |
| 25 | Herman W. Jr. Taube | 4 | Son | — | Massachusetts |
| 26 | Dorothy M. Taube | 2 | Daughter | — | Massachusetts |
| 27 | Richard Mcdonough | 46 | Head | Water Pipe Repair | Eire |
| 28 | Esther Mcdonough | 39 | Wife | — | Massachusetts |
| 29 | Esther M. Mcdonough | 18 | Daughter | Maid | Massachusetts |
| 30 | Elizabeth M. Mcdonough | 17 | Daughter | Maid | Massachusetts |
| 31 | Richard Mcdonough | 15 | Son | — | Massachusetts |
| 32 | Victor Mcdonough | 14 | Son | — | Massachusetts |
| 33 | Chester Mcdonough | 12 | Son | — | Massachusetts |
| 34 | James Mcdonough | 9 | Son | — | Massachusetts |
| 35 | Patrick Mcdonough | 1 | Son | — | Massachusetts |
| 36 | Roderick S. Forrester | 24 | Head | Tree Surgeon | Massachusetts |
| 37 | Dorothy E. Forrester | 23 | Wife | — | Pennsylvania |
| 38 | Joan L. Forrester | 0 | Daughter | — | Massachusetts |
| 39 | Fred Simon | 37 | Head | Yard Policeman | England |
| 40 | Mary A. Simon | 38 | Wife | — | England |
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)