MS
Mary Shannon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this Mary Shannon across the 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 7-person household.
Age 49
b. ~1891
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Shannon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Newark City |
| Est. Birth Year | ~1891 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Shannon | Daughter | — | 12 | ~1928 |
| Luke Shannon | Daughter | — | 14 | ~1926 |
| Mary Shannon | Daughter | — | 20 | ~1920 |
| James Shannon | Head | — | 51 | ~1889 |
| Frank Shannon | Son | — | 10 | ~1930 |
| Eleanor Shannon | Daughter | — | 8 | ~1932 |
| Mary Shannon | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Essex, New …
Other, age 39
Essex, New Jersey · implied b. ~1891 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shannon |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 25 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Spouse, age 49
Essex-County, New Jersey · implied b. ~1891 — 7 household members
| Surname | Shannon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark City |
| 1935 Residence (County) | Essex |
| Highest Grade | No 3 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Shannon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Shannon
Spouse · 1940 · age 49 · b. ~1891 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02426-00245)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Eggenberger | 66 | Head | Matron | Germany |
| 2 | Edith Eggenberger | 39 | Daughter | Peddler | New York |
| 3 | Donato Merna | 45 | Head | Peddler | Italy |
| 4 | Marie Merna | 43 | Wife | — | Italy |
| 5 | Lena Merna | 14 | Daughter | — | New Jersey |
| 6 | Daniel Merna | 7 | Son | — | New Jersey |
| 7 | Salvatore Minitello | 34 | Head | Driver | New Jersey |
| 8 | Jessie Minitello | 34 | Wife | — | New Jersey |
| 9 | James Minitello | 4 | Son | — | New Jersey |
| 10 | Sarah Sperra | 65 | Head | — | Italy |
| 11 | Anthony Pellegrino | 34 | Head | Mechanic | Italy |
| 12 | Minnie Pellegrino | 34 | Wife | Cigar Operator | Italy |
| 13 | Jerry Pellegrino | 16 | Son | New Worker | New Jersey |
| 14 | Mary Mc Carthy | 52 | Head | Homework | New Jersey |
| 15 | Alice Close | 58 | Head | — | New Jersey |
| 16 | Herbert Close | 50 | Brother | Laborer | New Jersey |
| 17 | Elizabeth Smith | 41 | Head | — | Ireland |
| 18 | Lillian Smith | 18 | Daughter | — | New York |
| 19 | John Smith | 10 | Son | — | New York |
| 20 | Brian Smith | 8 | Son | — | New York |
| 21 | Robert Dodson | 32 | Head | Driver | Virginia |
| 22 | Hattie Dodson | 28 | Wife | Cook | Virginia |
| 23 | Mabel Dodson | 10 | Niece | — | Virginia |
| 24 | Anna Powell | 47 | Head | Maid | Florida |
| 25 | Loraine Stafford | 16 | Daughter | — | New Jersey |
| 26 | Oscar Stafford | 20 | Brother | Laborer | New Jersey |
| 27 | James Shannon | 51 | Head | Foreman | New Jersey |
| 28 | Mary Shannon THIS PERSON | 49 | Wife | — | New Jersey |
| 29 | Mary Shannon | 20 | Daughter | Helper | New Jersey |
| 30 | Luke Shannon | 14 | Daughter | — | New Jersey |
| 31 | Dorothy Shannon | 12 | Daughter | — | New Jersey |
| 32 | Frank Shannon | 10 | Son | — | New Jersey |
| 33 | Eleanor Shannon | 8 | Daughter | — | New Jersey |
| 34 | Joe Carroll | 44 | Head | Laborer | New Jersey |
| 35 | Nora B Carroll | 46 | Wife | — | New Jersey |
| 36 | Alexander Gregory | 49 | Head | Laborer | Virginia |
| 37 | Ruth Gregory | 49 | Wife | Homework | New Jersey |
| 38 | Ada M Gregory | 18 | Daughter | Asst. Homework | New Jersey |
| 39 | Nicholas Racioppi | 63 | Head | Laborer | Italy |
| 40 | Maria Racioppi | 50 | Wife | — | Italy |
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)