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John Regan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Regan across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 7-person household.
Age 43
b. ~1897
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Regan |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Natick |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Laborer |
| Industry | Water Project |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 475 |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Natick |
| Est. Birth Year | ~1897 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Regan | Head | — | 43 | ~1897 |
| Jean Regan | Daughter | — | 14 | ~1926 |
| John Regan | Son | — | 7 | ~1933 |
| Joan Regan | Daughter | — | 2 | ~1938 |
| Ellen Regan | Spouse | — | 38 | ~1902 |
| Helen Regan | Daughter | — | 18 | ~1922 |
| Donald Regan | Son | — | 4 | ~1936 |
Census Appearances
1930
Middlesex, Massachusetts
Head, age 32
Middlesex, Massachusetts · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reagan |
| Given Name | John F |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 22 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Radio Set | R |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 43
Middlesex-County, Massachusetts · implied b. ~1897 — 7 household members
| Surname | Regan |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Natick |
| 1935 Residence (County) | Middlesex |
| Occupation | Laborer |
| Industry | Water Project |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 475 |
| Highest Grade | H 2 |
| 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 John Regan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Regan
Head · 1940 · age 43 · b. ~1897 · 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 — 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-t0627-01613-00992)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edith Nelson | 15 | Daughter | — | Massachusetts |
| 42 | Thomas O'Connell | 76 | Head | — | Eire |
| 43 | Anne O'Connell | 48 | Daughter | Nurse | Massachusetts |
| 44 | Isabel O'Connell | 45 | Daughter | — | Massachusetts |
| 45 | Catherine O'Connell | 43 | Daughter | — | Massachusetts |
| 46 | Joseph J. Lennon | 30 | Head | Machine Operator | Massachusetts |
| 47 | Dorothy Lennon | 27 | Wife | — | Massachusetts |
| 48 | David Lennon | 5 | Son | — | Massachusetts |
| 49 | Joan Lennon | 2 | Daughter | — | Massachusetts |
| 50 | Edward F. Murphy | 63 | Uncle | Painter | Massachusetts |
| 51 | George A. Sloper | 61 | Head | Gas Station Att | Massachusetts |
| 52 | Nellie M. Sloper | 61 | Wife | — | Massachusetts |
| 53 | Clarence E. Miles | 48 | Head | Mechanic | Vermont |
| 54 | Sadie L. Miles | 37 | Wife | — | Massachusetts |
| 55 | Shirley A. Miles | 15 | Daughter | — | Massachusetts |
| 56 | Janet L. Miles | 3 | Daughter | — | Massachusetts |
| 57 | Myron E. Potter | 39 | Head | Bus Operator | Maine |
| 58 | Gladys R. Potter | 36 | Wife | — | Canada Eng. |
| 59 | Ruth F. Potter | 7 | Daughter | — | Massachusetts |
| 60 | Dorothy M. Potter | 4 | Daughter | — | Massachusetts |
| 61 | Anna Mahoney | 33 | Head | Secretary | Pennsylvania |
| 62 | Francis Mahoney | 28 | Brother | Dredging Inspector | Massachusetts |
| 63 | Margaret Mahoney | 29 | Sister | Nurse | Massachusetts |
| 64 | Jennie C. Rivers | 58 | Head | — | Massachusetts |
| 65 | Nora Mcneil | 58 | Head | — | Eire |
| 66 | Rita Mcneil | 23 | Daughter | Table Worker | Massachusetts |
| 67 | Esther Mcneil | 22 | Daughter | Bookkeeper | Massachusetts |
| 68 | Isabel Mcneil | 25 | Daughter | Houseworker | Massachusetts |
| 69 | Wendell R. Morgan | 27 | Head | Janitor | Massachusetts |
| 70 | Marguerite Morgan | 27 | Wife | Bookkeeper | Massachusetts |
| 71 | John F. Regan THIS PERSON | 43 | Head | Laborer | Massachusetts |
| 72 | Ellen M. Regan | 38 | Wife | — | Massachusetts |
| 73 | Helen F. Regan | 18 | Daughter | — | Massachusetts |
| 74 | Jean Regan | 14 | Daughter | — | Massachusetts |
| 75 | John, Jr. Regan | 7 | Son | — | Massachusetts |
| 76 | Donald Regan | 4 | Son | — | Massachusetts |
| 77 | Joan Regan | 2 | Daughter | — | Massachusetts |
| 78 | Arthur H. Lane | 36 | Head | Tree Surgeon | Massachusetts |
| 79 | Evelyn S. Lane | 34 | Wife | — | Connecticut |
| 80 | Ruth Lane | 14 | Daughter | — | 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)