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Mary Kearney — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Kearney across the 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 7-person household.
Age 15
b. ~1915
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Kearney |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Winchester Town |
| Est. Birth Year | ~1915 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Esther Kearney | Daughter | — | 12 | ~1918 |
| Cornelius Kearney | Head | — | 48 | ~1882 |
| Owen Kearney | Son | — | 20 | ~1910 |
| Ann Kearney | Spouse | — | 46 | ~1884 |
| Sophia Kearney | Son | — | 22 | ~1908 |
| Mary Kearney | Daughter | — | 15 | ~1915 |
| Rose Kearney | Daughter | — | 14 | ~1916 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 5
Middlesex, Massachusetts · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kearney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 15
Middlesex, Massachusetts · implied b. ~1915 — 7 household members
| Surname | Kearney |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| 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 Mary Kearney across 2 US Census years (1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kearney
Daughter · 1930 · age 15 · b. ~1915 · Massachusetts
★ You are viewing this record
Sibling
Sophia Kearney
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Owen Kearney
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esther Kearney
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Kearney
Sibling · 1930 · age 14
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:massachusettscensus00reel932:0305)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John P. Clark | 45 | Head | Lawyer | Massachusetts |
| 2 | Elizabeth V. Clark | 35 | Wife | — | Massachusetts |
| 3 | Mary E. Clark | 5 | Daughter | — | Massachusetts |
| 4 | Leslie Clark | 3 | Daughter | — | Massachusetts |
| 5 | Jane Clark | 1 | Daughter | — | Massachusetts |
| 6 | John P. Clark | 70 | Father | — | Massachusetts |
| 7 | Nellie M. Clark | 40 | Sister | Teacher | Massachusetts |
| 8 | Ruth Matthew | 22 | Servant | Cook | New Hampshire |
| 9 | Helen Hughes | 40 | Servant | Servant | New Hampshire |
| 10 | Cornelius J. Kearney | 48 | Head | Manager | Massachusetts |
| 11 | Ann G. Kearney | 46 | Wife | — | Massachusetts |
| 12 | Sophia F. Kearney | 22 | Son | — | Massachusetts |
| 13 | Owen S. Kearney | 20 | Son | Bookkeeper | Massachusetts |
| 14 | Mary L. Kearney THIS PERSON | 15 | Daughter | — | Massachusetts |
| 15 | Rose Kearney | 14 | Daughter | — | Massachusetts |
| 16 | Esther Kearney | 12 | Daughter | — | Massachusetts |
| 17 | Burt R. Gage | 49 | Head | Manager | Massachusetts |
| 18 | Mabel E. Gage | 50 | Wife | — | Canada English |
| 19 | John E. Gage | 22 | Son | — | Massachusetts |
| 20 | Andrew C. Lombard | 73 | Head | — | Massachusetts |
| 21 | Minnie C. Lombard | 62 | Wife | — | Massachusetts |
| 22 | Mary E. Getchell | 54 | Companion | — | New York |
| 23 | Geo. C. Cummings | 63 | Head | Commission Merchant | Massachusetts |
| 24 | Ella G. Cummings | 63 | Wife | — | Massachusetts |
| 25 | Caroline Cummings | 35 | Servant | — | Ireland Free State |
| 26 | Geo. Fuller | 43 | Head | Carpenter | New Hampshire |
| 27 | Gladys R. Fuller | 38 | Wife | — | New Hampshire |
| 28 | Leila Fuller | 5 | Daughter | — | Massachusetts |
| 29 | Dorothy Fitzgerald | 18 | Servant | Cook | Ireland Free State |
| 30 | Mary Doherty | 45 | Servant | Servant | Ireland Free State |
| 31 | William G. Mitchell | 62 | Head | — | Massachusetts |
| 32 | Rosalie T. Mitchell | 42 | Wife | — | Massachusetts |
| 33 | Mildred L. Mitchell | 41 | Daughter | — | Maine |
| 34 | Robert G. Palfrey | 59 | Head | Superintendent | England |
| 35 | Marion R. Palfrey | 53 | Wife | — | England |
| 36 | Anna Kelley | 29 | Servant | Cook | Ireland Free State |
| 37 | Talbot T. Greenwood | 40 | Head | Lawyer | Massachusetts |
| 38 | Alice Greenwood | 28 | Wife | — | Massachusetts |
| 39 | Theodora Greenwood | 72 | Mother | — | Illinois |
| 40 | Cyrano D. Raymond | 43 | Head | Salesman | Massachusetts |
| 41 | Emma H. Raymond | 48 | Wife | — | Massachusetts |
| 42 | William D. Raymond | 20 | Son | Bookkeeper | Massachusetts |
| 43 | Barbara J. Raymond | 17 | Daughter | — | Massachusetts |
| 44 | Cyrano D. Raymond | 14 | Son | — | Massachusetts |
| 45 | Polly T. Raymond | 13 | Daughter | — | Massachusetts |
| 46 | Frank M. Pierce | 28 | Head | Bond Salesman | Maine |
| 47 | Theodora M. Pierce | 26 | Wife | — | Minnesota |
| 48 | Frank M. Pierce | 2 | Son | — | Massachusetts |
| 49 | Gertrude Pierce | 0 | Daughter | — | Massachusetts |
| 50 | Ruth Comer | 23 | Servant | Servant | Canada English |
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)