MD
Margaret Donahue — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Margaret Donahue across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents William & Margaret — first a daughter (b.~1895), then head of a 6-person household.
Age 45
b. ~1895
Female
Daughter
Born: Vermont
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Donahue |
| Given Name | Margaret E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Vermont |
| 1935 Residence (City) | Medford |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | secretary |
| Industry | retail milk |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1612 |
| Highest Grade | H 4 |
| 1935 Residence | Same home |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Occupation | Secretary |
| Township / Ward | Medford |
| Est. Birth Year | ~1895 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Mcdermott | Daughter | — | 38 | ~1902 |
| William Donahue | Head | — | 74 | ~1866 |
| Margaret Donahue | Spouse | — | 73 | ~1867 |
| Margaret Donahue | Daughter | — | 45 | ~1895 |
| Sheila Mcdermott | Other | — | 4 | ~1936 |
| Francis Mcdermott | Other | — | 40 | ~1900 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 27
Middlesex, Massachusetts · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahoe |
| Given Name | Madeline M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | England |
| Occupation | Operator |
| Industry | Telephone Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1930
Middlesex, Massachusetts
Daughter, age 35
Middlesex, Massachusetts · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Margaret E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Vermont |
| Age at First Marriage | 35 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Irish Free State |
| Occupation | Secretary |
| Industry | Milk |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
Middlesex-County, Massachusetts
Daughter, age 45
Middlesex-County, Massachusetts · implied b. ~1895 — 6 household members
| Surname | Donahue |
| Given Name | Margaret E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Vermont |
| 1935 Residence (City) | Medford |
| 1935 Residence (County) | Middlesex |
| Occupation | secretary |
| Industry | retail milk |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1612 |
| Highest Grade | H 4 |
| 1935 Residence | Same home |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
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 Margaret Donahue across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Donahue (~0.92 confidence) and mother Margaret Donahue (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Donahue
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Margaret Donahue
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Donahue
Daughter · 1940 · age 45 · b. ~1895 · Massachusetts
★ You are viewing this record
Sibling
Gertrude Mcdermott
Sibling · 1940 · age 38
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 — 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-t0627-01612-00163)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ethel Worth | 49 | Wife | — | New York |
| 42 | Edward Worth | 22 | Son | Carpenter | Massachusetts |
| 43 | John Worth | 20 | Son | Laborer | Massachusetts |
| 44 | Edward H. Herbert | 55 | Head | Police Officer | Massachusetts |
| 45 | Grace R. Herbert | 53 | Wife | — | Massachusetts |
| 46 | Doris Herbert | 20 | Daughter | Demonstrator | Massachusetts |
| 47 | Edward Herbert | 21 | Son | Clerk | Massachusetts |
| 48 | William J. Donahue | 74 | Head | — | Vermont |
| 49 | Margaret Donahue | 73 | Wife | — | Irish Free State |
| 50 | Margaret E. Donahue THIS PERSON | 45 | Daughter | Secretary | Vermont |
| 51 | Francis J. Mcdermott | 40 | Son-in-law | Salesman | Massachusetts |
| 52 | Gertrude M. Mcdermott | 38 | Daughter | — | Massachusetts |
| 53 | Sheila Mcdermott | 4 | Granddaughter | — | Massachusetts |
| 54 | Earle Dean | 40 | Head | Salesman | Pennsylvania |
| 55 | Lillian Dean | 40 | Wife | — | Pennsylvania |
| 56 | Lois J. Dean | 14 | Daughter | — | Pennsylvania |
| 57 | Doris Dean | 12 | Daughter | — | Pennsylvania |
| 58 | Nancy Dean | 7 | Daughter | — | Pennsylvania |
| 59 | George Ball | 66 | Head | Manager | Massachusetts |
| 60 | Ida M. Ball | 60 | Wife | — | Germany |
| 61 | Biagi Clementi | 40 | Head | Inspector | England |
| 62 | Mary Clementi | 36 | Wife | — | Massachusetts |
| 63 | Josephine Clementi | 14 | Daughter | — | Massachusetts |
| 64 | Angelo Clementi | 14 | Son | — | Massachusetts |
| 65 | Anthony Clementi | 12 | Son | — | Massachusetts |
| 66 | Joseph C. Ross | 41 | Head | Fireman | Massachusetts |
| 67 | Katherine Ross | 40 | Wife | — | Massachusetts |
| 68 | Edgar (Abs) Ross | 17 | Son | Laborer | Massachusetts |
| 69 | June Ross | 15 | Daughter | — | Massachusetts |
| 70 | Howard H. Whittaker | 54 | Head | Stationary Engineer | Connecticut |
| 71 | Grace E. Whittaker | 49 | Wife | — | Massachusetts |
| 72 | Clarence R. Whittaker | 27 | Son | Stock Boy | Massachusetts |
| 73 | Howard G. Whittaker | 17 | Son | — | Massachusetts |
| 74 | Michele De Benedictis | 44 | Head | Barber | Italy |
| 75 | Lillian De Benedictis | 45 | Wife | — | Massachusetts |
| 76 | Albert De Benedictis | 23 | Son | Meat Cutter | Massachusetts |
| 77 | Lillian De Benedictis | 22 | Daughter | Bookkeeper | Massachusetts |
| 78 | Michael Jr. De Benedictis | 9 | Son | — | Massachusetts |
| 79 | Francis J. Bird | 49 | Head | Superintendent | England |
| 80 | Rose Ann Bird | 48 | Wife | — | Irish Free State |
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 2 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)