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John Donahue — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Donahue across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Josephine — first a head (b.~1902), then head of a 4-person household.
Age 38
b. ~1902
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Donahue |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | clerk |
| Industry | railroad |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1800 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Medford City |
| Est. Birth Year | ~1902 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Donahue | Daughter | — | 10 | ~1930 |
| Joanne Donahue | Daughter | — | 4 | ~1936 |
| John Donahue | Head | — | 38 | ~1902 |
| Anna Donahue | Spouse | — | 41 | ~1899 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 16
Middlesex, Massachusetts · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Bundler |
| Industry | Town House Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 27
Middlesex, Massachusetts · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Chauffeur |
| Industry | Public Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 38
Middlesex-County, Massachusetts · implied b. ~1902 — 4 household members
| Surname | Donahue |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Occupation | clerk |
| Industry | railroad |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1800 |
| Highest Grade | No 8 |
| 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 Donahue across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Donahue (~0.92 confidence) and mother Josephine Donahue (~0.92 confidence) and father Matthew Donahue (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Donahue
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Josephine Donahue
b. ~1866
Source mother
● Household
· direct · ~0.92
Father
Matthew Donahue
b. ~1872
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Donahue
Head · 1940 · age 38 · b. ~1902 · 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-t0627-01612-00682)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rose Thomas | 63 | Mother-in-law | — | Massachusetts |
| 2 | Margaret J. Thomas | 29 | Sister-in-law | Nurse | Massachusetts |
| 3 | Clifford Rockwood | 22 | Brother-in-law | Mechanic | Massachusetts |
| 4 | Grace Rockwood | 23 | Sister-in-law | Nurse | Massachusetts |
| 5 | John M. Donahue THIS PERSON | 38 | Head | Clerk | Massachusetts |
| 6 | Anna L. Donahue | 41 | Wife | — | Massachusetts |
| 7 | Mary F. Donahue | 10 | daughter | — | Massachusetts |
| 8 | Joanne Donahue | 4 | daughter | — | Massachusetts |
| 9 | Patrick M. Mchugh | 39 | Head | Operator | Massachusetts |
| 10 | Mary F. Mchugh | 43 | Wife | — | Irish Free State |
| 11 | Patricia A. Mchugh | 15 | daughter | — | Massachusetts |
| 12 | Estelle M. Mchugh | 13 | daughter | — | Massachusetts |
| 13 | Donald J. Mchugh | 8 | son | — | Massachusetts |
| 14 | Irving Thorley | 34 | Head | Printer | Massachusetts |
| 15 | Pearl Thorley | 36 | Wife | — | Massachusetts |
| 16 | Irving Jr. Thorley | 13 | son | — | Massachusetts |
| 17 | Milton Thorley | 9 | son | — | Massachusetts |
| 18 | Jeanne Thorley | 6 | daughter | — | Massachusetts |
| 19 | Janet Aucoin | 15 | lodger | — | Massachusetts |
| 20 | Norman Bennet | 15 | lodger | — | Massachusetts |
| 21 | Donald Traynor | 9 | lodger | — | Massachusetts |
| 22 | Frank G. Kelsey | 72 | Head | Asst Janitor | Maine |
| 23 | Jane Kelsey | 67 | Wife | — | England |
| 24 | Louis G. Kelsey | 42 | son | Clerk | Massachusetts |
| 25 | Olive J. Kelsey | 35 | daughter | Secretary | Massachusetts |
| 26 | Harry J. Levers | 66 | Head | Fireman | Canada-English |
| 27 | Abbie M. Levers | 60 | Wife | — | Canada-English |
| 28 | Lillian Levers | 25 | sister | — | Canada-English |
| 29 | Emily Gilmore | 73 | Head | — | Massachusetts |
| 30 | Gertie Dimmock | 51 | lodger | Practical Nurse | Massachusetts |
| 31 | Minnie Bryson | 58 | lodger | Nurse | Massachusetts |
| 32 | Caroline Vogel | 67 | Head | — | Germany |
| 33 | James Mann | 42 | son-in-law | Chauffeur | Massachusetts |
| 34 | Mary Mann | 47 | daughter | — | Massachusetts |
| 35 | Frederick D. Marshall | 59 | Head | Carpenter | Canada-English |
| 36 | Mabel E. Marshall | 56 | Wife | — | Canada-English |
| 37 | Charles T. Marshall | 28 | son | Painter | Massachusetts |
| 38 | Priscilla Marshall | 17 | daughter | — | Massachusetts |
| 39 | Alfred Godfrey | 65 | Head | — | Canada-English |
| 40 | Arthur W. Jones | 78 | Head | — | Wales |
Pedigree Summary
John
Gen 1 · 3 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)