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Mary Mckenna — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Mckenna across the 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 10-person household.
Age 11
b. ~1909
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | McKenna |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1909 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Louise Mckenna | Daughter | — | 9 | ~1911 |
| Rita Mckenna | Daughter | — | 5 | ~1915 |
| Mary Mckenna | Daughter | — | 11 | ~1909 |
| Elizabeth Mckenna | Daughter | — | 16 | ~1904 |
| James Mckenna | Head | — | 50 | ~1870 |
| Mary Shields | Other | — | 49 | ~1871 |
| Edward Mckenna | Son | — | 11 | ~1909 |
| Ernest Mckenna | Son | — | 15 | ~1905 |
| Francis Mckenna | Son | — | 17 | ~1903 |
| Minnie Mckenna | Spouse | — | 49 | ~1871 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 2
Middlesex, Massachusetts · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKenna |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 11
Middlesex, Massachusetts · implied b. ~1909 — 10 household members
| Surname | McKenna |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Mary Mckenna across 2 US Census years (1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mckenna
Daughter · 1920 · age 11 · b. ~1909 · Massachusetts
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Sibling
Ernest Mckenna
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Mckenna
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Mckenna
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mckenna
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Mckenna
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mckenna
Sibling · 1920 · age 17
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
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:1920:14thcensusofpopu717unit:0773)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William A. O'Hara | 13 | Son | — | Massachusetts |
| 52 | Harry Bloomack | 42 | Head | Teamster | Russia |
| 53 | Fanny J. Bloomack | 30 | Wife | — | Russia |
| 54 | Abraham Bloomack | 6 | Son | — | Massachusetts |
| 55 | Helen Bloomack | 5 | Daughter | — | Massachusetts |
| 56 | Lessie Bloomack | 2 | Son | — | Massachusetts |
| 57 | Gladie Bloomack | 0 | Daughter | — | Massachusetts |
| 58 | Samuel Wolfe | 26 | Head | Chauffeur | Russia |
| 59 | Janet Wolfe | 24 | Wife | — | Russia |
| 60 | Florence Wolfe | 4 | Daughter | — | Massachusetts |
| 61 | Sidney Wolfe | 2 | Son | — | Massachusetts |
| 62 | Elizabeth A. Geary | 25 | Head | — | Massachusetts |
| 63 | Thomas F. Geary | 5 | Son | — | Massachusetts |
| 64 | John J. Geary | 3 | Son | — | Massachusetts |
| 65 | John J. Lyons | 42 | Head | Pressman | Ireland |
| 66 | Julia Lyons | 47 | Wife | Laborer | Massachusetts |
| 67 | Julia Lyons | 15 | Daughter | Box Maker | Massachusetts |
| 68 | Joseph Lyons | 12 | Son | — | Massachusetts |
| 69 | Charles W. Lyons | 9 | Son | — | Massachusetts |
| 70 | Catherine Lyons | 8 | Daughter | — | Massachusetts |
| 71 | Edward F. Geary | 29 | Head | Barrell | Massachusetts |
| 72 | Mary E. Geary | 22 | Wife | — | Massachusetts |
| 73 | Shirley F. Geary | 2 | Son | — | Massachusetts |
| 74 | Edward F. Jr. Geary | 1 | Son | — | Massachusetts |
| 75 | Sarah Mcmahon | 70 | Head | — | Ireland |
| 76 | Sarah J. Mcmahon | 42 | Son | Laborer | Massachusetts |
| 77 | Daniel J. Mcmahon | 36 | Son | Teamster | Massachusetts |
| 78 | Thomas H. Salisbury | 38 | Head | Laborer | Canada |
| 79 | Teresa J. Salisbury | 33 | Wife | — | Massachusetts |
| 80 | William H. Salisbury | 7 | Son | — | Massachusetts |
| 81 | Mary E. Salisbury | 5 | Daughter | — | Massachusetts |
| 82 | Catherine V. Salisbury | 4 | Daughter | — | Massachusetts |
| 83 | Joseph Salisbury | 2 | Son | — | Massachusetts |
| 84 | Esther H. Salisbury | 0 | Daughter | — | Massachusetts |
| 85 | James H. Mckenna | 50 | Head | Peddler | Massachusetts |
| 86 | Minnie A. Mckenna | 49 | Wife | — | Massachusetts |
| 87 | Francis J. Mckenna | 17 | Son | Apprentice | Massachusetts |
| 88 | Elizabeth A. Mckenna | 16 | Daughter | — | Massachusetts |
| 89 | Ernest W. Mckenna | 15 | Son | — | Massachusetts |
| 90 | Mary E. Mckenna THIS PERSON | 11 | Daughter | — | Massachusetts |
| 91 | Edward J. Mckenna | 11 | Son | — | Massachusetts |
| 92 | Louise J. Mckenna | 9 | Daughter | — | Massachusetts |
| 93 | Rita Mckenna | 5 | Daughter | — | Massachusetts |
| 94 | Mary J. Shields | 49 | Boarder | Stitcher | Massachusetts |
| 95 | James J. Healey | 34 | Head | Foreman | Massachusetts |
| 96 | Mary A. Healey | 27 | Wife | — | Massachusetts |
| 97 | Catherine Healey | 68 | Mother | Stitcher | Ireland |
| 98 | Lazar Galan | 48 | Head | Collector | Russia |
| 99 | Rebecca Galan | 37 | Wife | — | Russia |
| 100 | Cornelius Linehan | 54 | Head | — | Massachusetts |
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)