MC
Mary Clancy — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Clancy across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 11-person household.
Age 47
b. ~1883
Female
Spouse
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Clancy |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 22 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1883 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Clancy | Daughter | — | 24 | ~1906 |
| Helen Clancy | Daughter | — | 20 | ~1910 |
| Patricia Clancy | Daughter | — | 7 | ~1923 |
| William Clancy | Son | — | 15 | ~1915 |
| Patrick Clancy | Head | — | 51 | ~1879 |
| Margaret Clancy | Daughter | — | 17 | ~1913 |
| Henry Clancy | Son | — | 13 | ~1917 |
| John Clancy | Son | — | 22 | ~1908 |
| Mary Clancy | Spouse | — | 47 | ~1883 |
| Teresa Bronson | Other | — | 3 | ~1927 |
| Thomas Clancy | Son | — | 10 | ~1920 |
Census Appearances
1930
Suffolk, Massachusetts
Spouse, age 47
Suffolk, Massachusetts · implied b. ~1883 — 11 household members
| Surname | Clancy |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 22 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 57
Suffolk-County, Massachusetts · implied b. ~1883 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clancy |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Separated |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Clerk |
| Industry | Laboratory |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 266 |
| Highest Grade | H 3 |
| 1935 Residence | Same house |
| 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 Clancy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Clancy
Spouse · 1930 · age 47 · b. ~1883 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel952:0520)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence M Craven | 41 | Head | None | Massachusetts |
| 2 | Edith R Craven | 18 | daughter | Stenographer | New York |
| 3 | Frances L Craven | 17 | daughter | None | Massachusetts |
| 4 | Donald M Craven | 15 | son | None | Massachusetts |
| 5 | Doris E Craven | 14 | daughter | None | Massachusetts |
| 6 | Evelyn M Craven | 11 | daughter | None | Massachusetts |
| 7 | Louise E Craven | 9 | daughter | None | Massachusetts |
| 8 | Phillis M Craven | 8 | daughter | None | Massachusetts |
| 9 | Hazel M. H. Craven | 6 | daughter | None | Massachusetts |
| 10 | Robert W Craven | 5 | son | None | Massachusetts |
| 11 | Mary T Powers | 42 | Head | None | Massachusetts |
| 12 | Grace M Powers | 16 | daughter | None | Massachusetts |
| 13 | Mary E Powers | 14 | daughter | None | Massachusetts |
| 14 | J. Paul Powers | 13 | son | None | Massachusetts |
| 15 | Edward F Powers | 11 | son | None | Massachusetts |
| 16 | Harry F Green | 39 | Head | Electrician | Massachusetts |
| 17 | Mildred A Green | 39 | Wife | None | Massachusetts |
| 18 | Harry F Jr Green | 17 | son | Helper | Massachusetts |
| 19 | Virginia G Green | 15 | daughter | Assembler | Virginia |
| 20 | James E Green | 13 | son | None | Virginia |
| 21 | William Green | 11 | son | None | Massachusetts |
| 22 | Charles W Kief | 53 | Head | Machinist | Maine |
| 23 | Lola E Kief | 49 | Wife | None | Maine |
| 24 | Walter L Kief | 24 | daughter | — | — |
| 25 | Ruth E Kief | 19 | daughter | Telephone Operator | Massachusetts |
| 26 | Gloria A Kief | 17 | daughter | None | Massachusetts |
| 27 | Charles W Jr Kief | 15 | son | None | Massachusetts |
| 28 | Walter L Kief | 26 | son | Auto Mechanic | Maine |
| 29 | Alice I Kief | 19 | daughter in law | None | Massachusetts |
| 30 | Ruth E Kief | 1 | g. daughter | None | Massachusetts |
| 31 | Delora E Kief | 0 | g. daughter | None | Massachusetts |
| 32 | Beatrice E Davis | 11 | g. daughter | None | Massachusetts |
| 33 | Dorothy L Davis | 9 | g. daughter | None | Massachusetts |
| 34 | Patrick H Clancy | 51 | Head | Asst Draw Tender | Massachusetts |
| 35 | Mary E Clancy THIS PERSON | 47 | Wife | None | Massachusetts |
| 36 | Mary H Clancy | 24 | daughter | Typist | Massachusetts |
| 37 | John E Clancy | 22 | son | Metal Chemist | Massachusetts |
| 38 | Helen G Clancy | 20 | daughter | Typist | Massachusetts |
| 39 | Margaret A Clancy | 17 | daughter | None | Massachusetts |
| 40 | William D Clancy | 15 | son | None | Massachusetts |
| 41 | Henry V Clancy | 13 | son | None | Massachusetts |
| 42 | Thomas F Clancy | 10 | son | None | Massachusetts |
| 43 | Patricia Clancy | 7 | daughter | None | Massachusetts |
| 44 | Teresa Bronson | 3 | g. daughter | None | Massachusetts |
| 45 | John J Padden | 30 | Head | Auto Mechanic | Massachusetts |
| 46 | Gertrude J Padden | 28 | Wife | None | Massachusetts |
| 47 | John J. Jr Padden | 2 | son | None | Massachusetts |
| 48 | Richard G Padden | 1 | son | None | Massachusetts |
| 49 | Jenness E Morrill | 55 | Head | Provision Man | Massachusetts |
| 50 | Blanche Morrill | 56 | Wife | None | Maine |
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)