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Mary Mcdonald — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Mcdonald across the 1910, 1920, 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1874), then head of a 3-person household.
Age 46
b. ~1874
Female
Spouse
Born: New Hampshire
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | McDonald |
| Given Name | Mary T |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Township / Ward | Wakefield Town Part Of |
| Est. Birth Year | ~1874 |
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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Mcdonald | Daughter | — | 15 | ~1905 |
| Eugene Mcdonald | Head | — | 53 | ~1867 |
| Mary Mcdonald | Spouse | — | 46 | ~1874 |
Census Appearances
1910
Middlesex, Massachusetts
Spouse, age 35
Middlesex, Massachusetts · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Mary J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Years Married | 9 |
| Children Born | 1 |
| Children Living | 1 |
| Father's Birthplace | Ir. English |
| Mother's Birthplace | Ir. English |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Middlesex, Massachusetts
Spouse, age 46
Middlesex, Massachusetts · implied b. ~1874 — 3 household members
| Surname | McDonald |
| Given Name | Mary T |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Middlesex, Massachusetts
Other, age 56
Middlesex, Massachusetts · implied b. ~1874 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Donald |
| Given Name | Margaret R. |
| Relationship to Head | wife-H |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 29 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Middlesex-County, Massachusetts
Spouse, age 66
Middlesex-County, Massachusetts · implied b. ~1874 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Donald |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Westford |
| 1935 Residence (County) | Middlesex |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Mary Mcdonald across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mcdonald
Spouse · 1920 · age 46 · b. ~1874 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu716unit:0426)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Augusta M Parker | 62 | Wife | — | Massachusetts |
| 2 | Theodore Graham | 51 | Head | Carpenter | Canada |
| 3 | Nellie Graham | 50 | Wife | — | Canada |
| 4 | Melvin H Anderson | 47 | Head | Foreman | Massachusetts |
| 5 | Mary E Anderson | 45 | Wife | — | Massachusetts |
| 6 | Irving F Jordan | 36 | Head | Tower Man | Massachusetts |
| 7 | Gertrude Jordan | 38 | Wife | — | Massachusetts |
| 8 | Marion Jordan | 9 | Daughter | — | Massachusetts |
| 9 | Neal Alida Jordan | 28 | Sister | Teacher | Vermont |
| 10 | Eugene P Mcdonald | 53 | Head | Policeman | Massachusetts |
| 11 | Mary T Mcdonald THIS PERSON | 46 | Wife | — | New Hampshire |
| 12 | Helen M Mcdonald | 15 | Daughter | — | Massachusetts |
| 13 | Jameson Lison | 45 | Head | Manager | Canada |
| 14 | Blanche Lison | 40 | Wife | — | Canada |
| 15 | Irving Lison | 18 | Son | Messenger | Massachusetts |
| 16 | Mildred A Lison | 6 | Daughter | — | Massachusetts |
| 17 | George H Hart | 34 | Head | Fireman | Massachusetts |
| 18 | Ethel Hart | 28 | Wife | — | Canada |
| 19 | Jennie Daniels | 56 | Lodger | Servant | Massachusetts |
| 20 | John Welch | 52 | Head | Plasterer | Massachusetts |
| 21 | Margaret Welch | 46 | Wife | Maker Box | Massachusetts |
| 22 | Margaret Welch | 15 | Daughter | — | Massachusetts |
| 23 | George H Welch | 12 | Son | — | Massachusetts |
| 24 | John Murphy | 46 | Lodger | Carpenter | Massachusetts |
| 25 | Phillip Melanson | 53 | Head | Policeman | Canada |
| 26 | Mary M Melanson | 49 | Wife | Stitcher | Canada |
| 27 | Erika Melanson | 20 | Daughter | — | Massachusetts |
| 28 | Edna Melanson | 16 | Daughter | Boxing | Massachusetts |
| 29 | Thomas Muse | 40 | Head | Shipper | Canada |
| 30 | Jessie A Muse | 34 | Wife | — | Canada |
| 31 | William Muse | 10 | Son | — | Massachusetts |
| 32 | John Muse | 8 | Son | — | Massachusetts |
| 33 | Alexander Muse | 7 | Son | — | Massachusetts |
| 34 | Mabel Muse | 1 | Daughter | — | Massachusetts |
| 35 | Mary Muse | 0 | Daughter | — | Massachusetts |
| 36 | John Devereaux | 30 | Head | Truck Driver | Canada |
| 37 | Alice Devereaux | 25 | Wife | — | England |
| 38 | Mary Devereaux | 2 | Lodger | — | Massachusetts |
| 39 | Lucy Scapo | 3 | Lodger | — | Massachusetts |
| 40 | Thomas Madden | 42 | Head | Moulder | Ireland |
| 41 | John Kier | 36 | Head | Bleacher | Poland |
| 42 | Josephine Kier | 36 | Wife | — | Poland |
| 43 | Stasia Kier | 12 | Daughter | — | Poland |
| 44 | Walter Kier | 7 | Son | — | Massachusetts |
| 45 | Stasia Kier | 6 | Daughter | — | Massachusetts |
| 46 | Nellie Kier | 3 | Daughter | — | Massachusetts |
| 47 | Helen Kier | 1 | Daughter | — | Massachusetts |
| 48 | Joseph Kier | 28 | Brother | Bleacher | Poland |
| 49 | Frank Petroni | 66 | Head | Bleacher | Italy |
| 50 | Andriella Petroni | 56 | Wife | — | Italy |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)