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William Donahue — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this William Donahue across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1907), then head of a 8-person household.
Age 33
b. ~1907
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Donahue |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | mechanic |
| Industry | air conditioning |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Mechanic |
| Township / Ward | Boston City |
| Est. Birth Year | ~1907 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Donahue | Daughter | — | 35 | ~1905 |
| Francis Donahue | Son | — | 28 | ~1912 |
| Helen Donahue | Daughter | — | 16 | ~1924 |
| Nora Donahue | Spouse | — | 55 | ~1885 |
| Joseph Donahue | Son | — | 30 | ~1910 |
| Robert Donahue | Son | — | 18 | ~1922 |
| Michael Donahue | Head | — | 68 | ~1872 |
| William Donahue | Son | — | 33 | ~1907 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 23
Suffolk, Massachusetts · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Mechanic |
| Industry | Auto |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 33
Suffolk-County, Massachusetts · implied b. ~1907 — 8 household members
| Surname | Donahue |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Occupation | mechanic |
| Industry | air conditioning |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 William Donahue across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Donahue
Son · 1940 · age 33 · b. ~1907 · Massachusetts
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Sibling
Francis Donahue
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Donahue
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Donahue
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Donahue
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Donahue
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
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
40 people indexed on this census page (nara:1940:m-t0627-01668-00383)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Paulina Sullivan | 15 | daughter | — | Massachusetts |
| 42 | Mary A. Rea | 28 | lodger | Stenographer Secretary | United Ireland |
| 43 | Rose A. Lynch | 50 | Head | — | Irish Free State |
| 44 | John Jr. Lynch | 24 | son | Optical Apprentice | Massachusetts |
| 45 | Walter Lynch | 23 | son | Optical Apprentice | Massachusetts |
| 46 | Rose Lynch | 22 | daughter | Machine Op. | Massachusetts |
| 47 | Joseph Lynch | 19 | son | New Worker | Massachusetts |
| 48 | Andrew Lynch | 15 | son | — | Massachusetts |
| 49 | Elizabeth Cunningham | 65 | head | — | Irish Free State |
| 50 | Patrick Cunningham | 70 | lodger | Elevator Op. | Irish Free State |
| 51 | Ann Hall | 58 | lodger | Teacher | England |
| 52 | Thomas Hall | 53 | lodger | Elevator Op. | England |
| 53 | Michael Donahue | 68 | head | — | Irish Free State |
| 54 | Nora Donahue | 55 | wife | — | Irish Free State |
| 55 | Mary Donahue | 35 | daughter | Bookkeeper | Massachusetts |
| 56 | William Donahue THIS PERSON | 33 | son | Mechanic | Massachusetts |
| 57 | Joseph Donahue | 30 | son | Laborer | Massachusetts |
| 58 | Francis Donahue | 28 | son | Laborer | Massachusetts |
| 59 | Robert Donahue | 18 | son | New Worker | Massachusetts |
| 60 | Helen Donahue | 16 | daughter | — | Massachusetts |
| 61 | Charles A. Mcmaster | 48 | head | Carpenter | Canada English |
| 62 | Elizabeth Mcmaster | 40 | wife | — | Massachusetts |
| 63 | Charles Mcmaster | 15 | son | — | Massachusetts |
| 64 | Clarise Mcmaster | 14 | daughter | — | Massachusetts |
| 65 | Cecelia Mcintosh | 73 | mother in law | — | Canada English |
| 66 | David J. Glynn | 48 | head | Motorman | Irish Free State |
| 67 | Agnes M. Glynn | 50 | wife | — | Irish Free State |
| 68 | William E. Bentley | 19 | son | Clerk (Sales) | Massachusetts |
| 69 | Randall B. West | 5 | friend | — | Massachusetts |
| 70 | Clifton Chandler | 50 | head | Assist Supervisor | Massachusetts |
| 71 | Anna K. Chandler | 49 | wife | — | Irish Free State |
| 72 | Mary A. Kenney | 63 | head | — | Massachusetts |
| 73 | Julia L. White | 54 | head | Glass Dealer | Massachusetts |
| 74 | Catherine Casey | 52 | sister | Stenographer | Massachusetts |
| 75 | Theresa Scannell | 66 | lodger | — | Massachusetts |
| 76 | Caleb Scannell | 22 | lodger | Teacher | Massachusetts |
| 77 | Julia Loughran | 42 | head | — | Irish Free State |
| 78 | John Loughran | 19 | son | Counter Clerk | Massachusetts |
| 79 | William Loughran | 16 | son | — | Massachusetts |
| 80 | Cornelius O'Brien | 55 | lodger | Tailor | Irish Free State |
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)