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Mary Barry — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Mary Barry across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 10-person household.
Age 18
b. ~1922
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Barry |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Danvers town |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Danvers Town |
| Est. Birth Year | ~1922 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth Barry | Daughter | — | 15 | ~1925 |
| Catherine Barry | Daughter | — | 10 | ~1930 |
| Rose Barry | Daughter | — | 19 | ~1921 |
| Mary Barry | Daughter | — | 18 | ~1922 |
| Theresa Barry | Daughter | — | 12 | ~1928 |
| Rita Barry | Daughter | — | 17 | ~1923 |
| James Barry | Head | — | 57 | ~1883 |
| J Barry | Son | — | 13 | ~1927 |
| George Barry | Son | — | 8 | ~1932 |
| Rose Barry | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Essex, Massachusetts
Daughter, age 8
Essex, Massachusetts · implied b. ~1922 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barry |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Massachusetts |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Essex-County, Massachusetts
Daughter, age 18
Essex-County, Massachusetts · implied b. ~1922 — 10 household members
| Surname | Barry |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Danvers town |
| 1935 Residence (County) | Essex |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Barry across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Barry
Daughter · 1940 · age 18 · b. ~1922 · Massachusetts
★ You are viewing this record
Sibling
Rita Barry
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Barry
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Barry
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Barry
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Barry
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Barry
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Barry
Sibling · 1940 · age 15
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
1940 US Federal Census — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01579-00136)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James E. Moran | 31 | Head | Meter Reader And Repair Man | Massachusetts |
| 2 | Annie L. Moran | 60 | Mother | — | Massachusetts |
| 3 | George A. Cooley | 44 | Head | Teacher | Massachusetts |
| 4 | Marjorie B. Cooley | 41 | Wife | — | Montana |
| 5 | Dorothy G. Cooley | 16 | Daughter | — | Montana |
| 6 | Helen E. Cooley | 12 | Daughter | — | Wyoming |
| 7 | Jallison Morse | 64 | Head | Proprietor | Massachusetts |
| 8 | Elizabeth F. Morse | 64 | Wife | — | Maine |
| 9 | George D. Morse | 24 | Son | Department Foreman | Massachusetts |
| 10 | Dorothy Locke | 26 | Boarder | — | Massachusetts |
| 11 | Jane K. August | 24 | Servant | Servant | Massachusetts |
| 12 | Harry J. Clarks | 62 | Head | Dentist | Vermont |
| 13 | Louise Clarks | 61 | Wife | — | Vermont |
| 14 | John E. Eastwood | 44 | Head | Teacher | Vermont |
| 15 | Eva C. Eastwood | 42 | Wife | — | Canada-English |
| 16 | Joyce E. Eastwood | 11 | Daughter | — | Massachusetts |
| 17 | James E. Pray | 54 | Head | Machine Designer | New Hampshire |
| 18 | Harriet C. Pray | 47 | Wife | — | Massachusetts |
| 19 | Doris E. Wood | 25 | Step-daughter | Order Writer Night Watch | New Hampshire |
| 20 | P. Raymond Greist | 39 | Head | And Stock Writer | Connecticut |
| 21 | Adele H. Greist | 39 | Wife | — | New York |
| 22 | P. Raymond Greist | 14 | Son | — | Massachusetts |
| 23 | Lois N. Curtis | 36 | Boarder | Teacher | Massachusetts |
| 24 | Lester M. Lunt | 40 | Head | Foreman | Illinois |
| 25 | Beatrice R. Lunt | 40 | Wife | — | Massachusetts |
| 26 | Barbara J. Lunt | 17 | Daughter | — | Massachusetts |
| 27 | Jack C. Parker | 52 | Head | Foreman | Maine |
| 28 | Rina A. Parker | 52 | Wife | — | New Hampshire |
| 29 | Archibald M. Mann | 58 | Head | Salesman | Massachusetts |
| 30 | Neva M. Mann | 49 | Wife | — | Maine |
| 31 | James H. Barry | 57 | Head | Supervisor | Pennsylvania |
| 32 | Rose M. Barry | 49 | Wife | — | Massachusetts |
| 33 | Rose A. Barry | 19 | Daughter | Ticket Seller | Illinois |
| 34 | Mary J. Barry THIS PERSON | 18 | Daughter | — | Illinois |
| 35 | Rita M. Barry | 17 | Daughter | — | Illinois |
| 36 | Ruth M. Barry | 15 | Daughter | — | New Jersey |
| 37 | J. Howard Barry | 13 | Son | — | Massachusetts |
| 38 | Theresa J. Barry | 12 | Daughter | — | Massachusetts |
| 39 | Catherine Barry | 10 | Daughter | — | Massachusetts |
| 40 | George E. Barry | 8 | Son | — | Massachusetts |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)