MC
Mary Clifford — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Mary Clifford across the 1920 and 1930 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 6-person household.
Age 44
b. ~1886
Female
Spouse
Born: Maine
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, Massachusetts |
| Surname | Clifford |
| Given Name | Mary G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 20 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Maine |
| Additional Details | |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Methuen Town |
| Est. Birth Year | ~1886 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| John Clifford | Son | — | 21 | ~1909 |
| Catherine Mcdonald | Other | — | 61 | ~1869 |
| James Clifford | Son | — | 17 | ~1913 |
| Charles Clifford | Son | — | 14 | ~1916 |
| Charles Clifford | Head | — | 45 | ~1885 |
| Mary Clifford | Spouse | — | 44 | ~1886 |
Census Appearances
1920
Essex, Massachusetts
Spouse, age 36
Essex, Massachusetts · implied b. ~1884 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clafford |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Maine |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Essex, Massachusetts
Spouse, age 44
Essex, Massachusetts · implied b. ~1886 — 6 household members
| Surname | Clifford |
| Given Name | Mary G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 20 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Clifford across 2 US Census years (1920 and 1930) in Essex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Clifford
Spouse · 1930 · age 44 · b. ~1886 · 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 — Essex, Massachusetts
Open full size
1930 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel901:0953)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annie Westwell | 75 | Mother | — | England |
| 2 | J. Joseph Daley | 38 | Head | Salesman | Massachusetts |
| 3 | Katherine Daley | 37 | Wife | Teacher | Massachusetts |
| 4 | Herbert Gaughan | 54 | Head | Overseer | England |
| 5 | Bridget Gaughan | 54 | Wife | — | England |
| 6 | Gertrude E. Gaughan | 27 | Daughter | Hairdresser | Massachusetts |
| 7 | Daniel Golding | 54 | Head | Proprietor | Russia |
| 8 | Katie Golding | 54 | Wife | — | Russia |
| 9 | Deborah Golding | 23 | Daughter | Dental Hygienist | Massachusetts |
| 10 | Joseph Flynn | 28 | Head | Proprietor | Irish Free State |
| 11 | Elizabeth Flynn | 26 | Wife | — | Irish Free State |
| 12 | Charles Clifford | 45 | Head | Manager | Massachusetts |
| 13 | Mary G. Clifford THIS PERSON | 44 | Wife | — | Maine |
| 14 | John G. Jr. Clifford | 21 | Son | — | Massachusetts |
| 15 | James H. Clifford | 17 | Son | — | Massachusetts |
| 16 | Charles A. Jr. Clifford | 14 | Son | — | Massachusetts |
| 17 | Catherine Mcdonald | 61 | Servant | Servant | Irish Free State |
| 18 | Daniel D. Shea | 64 | Head | Laborer | Maine |
| 19 | Olivia A. Shea | 55 | Wife | — | Canada-English |
| 20 | James Ingle | 36 | Head | Teacher | England |
| 21 | Anna Ingle | 38 | Wife | — | Germany |
| 22 | Robert D. Ingle | 7 | Son | — | Massachusetts |
| 23 | Fred Kirkham | 48 | Head | Contractor | Massachusetts |
| 24 | Elfrida Kirkham | 41 | Wife | — | Germany |
| 25 | James A. Duffy | 34 | Head | Contractor | Massachusetts |
| 26 | Gertrude M. Duffy | 35 | Wife | — | Massachusetts |
| 27 | Jane Duffy | 2 | Daughter | — | Massachusetts |
| 28 | Fredrick Thomas | 43 | Head | Team Worker | Massachusetts |
| 29 | Minna M. Thomas | 44 | Wife | — | Germany |
| 30 | Nicholas Belanger | 32 | Head | Optician | Massachusetts |
| 31 | Irene C. Belanger | 35 | Wife | — | Massachusetts |
| 32 | Richard H. Belanger | 4 | Son | — | Massachusetts |
| 33 | Pauline Belanger | 35 | Sister | Twister | Massachusetts |
| 34 | Joseph Morris | 50 | Head | Filling Service | Massachusetts |
| 35 | Margaret Morris | 54 | Wife | — | Irish Free State |
| 36 | John W. Morris | 15 | Son | — | Massachusetts |
| 37 | Dennis Buckley | 26 | Step-son | — | Massachusetts |
| 38 | Mary Buckley | 27 | Step-daughter | Clerk | Massachusetts |
| 39 | Daniel Dempsey | 30 | Head | Barber | Massachusetts |
| 40 | Frances Dempsey | 30 | Wife | — | Massachusetts |
| 41 | John L. Dempsey | 9 | Son | — | Massachusetts |
| 42 | Edward J. Dempsey | 4 | Son | — | Massachusetts |
| 43 | William Hayes | 21 | Brother-in-law | Salesman | Massachusetts |
| 44 | Dennis Doran | 42 | Head | Brick Layer | Massachusetts |
| 45 | Ruth Doran | 36 | Wife | — | Massachusetts |
| 46 | Roger Doran | 9 | Son | — | Massachusetts |
| 47 | Ruth Doran | 8 | Daughter | — | Massachusetts |
| 48 | Rita Doran | 7 | Daughter | — | Massachusetts |
| 49 | Claire Doran | 4 | Daughter | — | Massachusetts |
| 50 | Catherine Doran | 2 | Daughter | — | Massachusetts |
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)