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John Mckenna — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this John Mckenna across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Morris & Catherine — first a son (b.~1902), then head of a 6-person household.
Age 28
b. ~1902
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | McKenna |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Assistant |
| Industry | Cereal |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Assistant |
| Township / Ward | Stoneham Town |
| 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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Helen Mckenna | Daughter | — | 24 | ~1906 |
| Morris Mckenna | Head | — | 60 | ~1870 |
| Mary Callahan | Other | — | 49 | ~1881 |
| Catherine Mckenna | Other | — | 58 | ~1872 |
| John Mckenna | Son | — | 28 | ~1902 |
| Joseph Mckenna | Son | — | 25 | ~1905 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 7
Middlesex, Massachusetts · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKenna |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 17
Middlesex, Massachusetts · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKenna |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| 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 |
1930
Middlesex, Massachusetts
Son, age 28
Middlesex, Massachusetts · implied b. ~1902 — 6 household members
| Surname | McKenna |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Assistant |
| Industry | Cereal |
| Class of Worker | W |
| Can Read/Write | 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 John Mckenna across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Morris Mckenna (~0.92 confidence) and mother Catherine Mckenna (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Morris Mckenna
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Catherine Mckenna
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mckenna
Son · 1930 · age 28 · b. ~1902 · Massachusetts
★ You are viewing this record
Sibling
Helen Mckenna
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mckenna
Sibling · 1930 · age 25
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
1930 US Federal Census — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel929:0605)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eldredge, Lillian Eldredge | 10 | Daughter | None | Massachusetts |
| 2 | Walker, Elizabeth F. Eldredge | 57 | Lodger | None | Massachusetts |
| 3 | Patsy H. Bagley | 69 | Head | None | New Hampshire |
| 4 | Irene G. Bagley | 34 | Daughter | Teacher | Massachusetts |
| 5 | Emma Evans | 44 | Head | Stitcher | New Hampshire |
| 6 | Thomas Evans | 17 | Son | None | New Hampshire |
| 7 | Mary Schiller | 71 | Lodger | None | Bavaria |
| 8 | George Leutter | 67 | Lodger | Edge Setter | New Hampshire |
| 9 | Morris H. Mckenna | 60 | Head | Retail Merchant | Massachusetts |
| 10 | Catherine E. Mckenna | 58 | Wife-H | None | Massachusetts |
| 11 | John Mckenna THIS PERSON | 28 | Son | Assistant | Massachusetts |
| 12 | Joseph Mckenna | 25 | Son | Assistant | Massachusetts |
| 13 | Helen Mckenna | 24 | Daughter | Stenographer | Massachusetts |
| 14 | Mary E. Callahan | 49 | Servant | Servant | Massachusetts |
| 15 | Alexander Surrette | 27 | Head | Chauffeur | Canada English |
| 16 | Edith M. Surrette | 23 | Wife-H | None | Canada English |
| 17 | Mary E. Surrette | 5 | Daughter | None | Massachusetts |
| 18 | Joseph Surrette | 3 | Son | None | Massachusetts |
| 19 | Marjorie E. Surrette | 1 | Daughter | None | Massachusetts |
| 20 | John E. Finnigan | 57 | Head | Machine Operator | Massachusetts |
| 21 | Hannah M. Finnigan | 48 | Wife-H | None | Irish Free State |
| 22 | Mary P. Finnigan | 20 | Daughter | Operator | Massachusetts |
| 23 | John J. Finnigan | 19 | Son | Tester | Massachusetts |
| 24 | Arthur J. Finnigan | 19 | Son | None | Massachusetts |
| 25 | Thomas H. Finnigan | 15 | Son | None | Massachusetts |
| 26 | Alice E. Finnigan | 13 | Daughter | None | Massachusetts |
| 27 | Charles J. Finnigan | 10 | Son | None | Massachusetts |
| 28 | Anne M. Finnigan | 9 | Daughter | None | Massachusetts |
| 29 | James H. Buckley | 44 | Head | Measurer | Massachusetts |
| 30 | Mary A. Buckley | 37 | Wife-H | None | Massachusetts |
| 31 | Rose M. Buckley | 9 | Daughter | None | Massachusetts |
| 32 | Charles W. Buckley | 7 | Son | None | Massachusetts |
| 33 | Anna M. Buckley | 2 | Daughter | None | Massachusetts |
| 34 | Daniel Foggerty | 41 | Head | Repairman | Canada English |
| 35 | Josephine Foggerty | 35 | Wife-H | None | Massachusetts |
| 36 | Albert F. Foggerty | 14 | Son | None | Massachusetts |
| 37 | Daniel B. Foggerty | 11 | Son | None | Massachusetts |
| 38 | Anna J. Foggerty | 8 | Daughter | None | Massachusetts |
| 39 | Robert P. Foggerty | 5 | Son | None | Massachusetts |
| 40 | Lillian E. Foggerty | 1 | Daughter | None | Massachusetts |
| 41 | Mary Foley | 73 | Head-H | None | Irish Free State |
| 42 | John Foley | 45 | Son | Carpenter | Massachusetts |
| 43 | Annie Foley | 43 | Daughter | Stitcher | Massachusetts |
| 44 | Sarah A. Harris | 65 | Head-H | None | England |
| 45 | Clara F. Harris | 29 | Daughter | Instructor | Massachusetts |
| 46 | John H. Harris | 24 | Son | Shipper | Massachusetts |
| 47 | Frank D. Tero | 64 | Head | Meat Cutter | New Hampshire |
| 48 | Nellie H. Tero | 58 | Wife | None | Maine |
| 49 | John B. Murray | 43 | Head | None | Irish Free State |
| 50 | Martin J. Murray | 18 | Son | Piper Fitter | Massachusetts |
Pedigree Summary
John + 2 siblings
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 1930 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)