MS
Mary Shannon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Belknap-County, New Hampshire
Our Model Tree links this Mary Shannon across the 1920, 1930 and 1940 US Censuses in Belknap-County, New Hampshire (XGBoost, ~Confirmed) — first a spouse (b.~1871), then head of a 4-person household.
Age 69
b. ~1871
Female
Spouse
Born: New Hampshire
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Belknap-County, New Hampshire |
| Surname | Shannon |
| Given Name | Mary I. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Laconia City |
| 1935 Residence (County) | Belknap |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Township / Ward | Laconia City |
| Est. Birth Year | ~1871 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Eunice Shannon | Daughter | — | 51 | ~1889 |
| Frank Shannon | Head | — | 75 | ~1865 |
| Mary Shannon | Spouse | — | 69 | ~1871 |
| Clifton Shannon | Son | — | 40 | ~1900 |
Census Appearances
1920
Belknap, New …
Spouse, age 49
Belknap, New Hampshire · implied b. ~1871 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shannon |
| Given Name | Mary L. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New Hampshire |
| Occupation | Stenographer |
| Industry | paper box factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Belknap, New …
Other, age 59
Belknap, New Hampshire · implied b. ~1871 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shannon |
| Given Name | Mildred |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 28 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Belknap-County, New …
Spouse, age 69
Belknap-County, New Hampshire · implied b. ~1871 — 4 household members
| Surname | Shannon |
| Given Name | Mary I. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Laconia City |
| 1935 Residence (County) | Belknap |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Shannon
Spouse · 1940 · age 69 · b. ~1871 · New Hampshire
★ 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 — Belknap-County, New Hampshire
Open full size
1940 US Federal Census — Belknap-County, New Hampshire
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02283-00389)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur W. Strathern | 20 | Lodger | Timekeeper | New Hampshire |
| 2 | Frank B. Shannon | 75 | Head | Elevator Opr. | New Hampshire |
| 3 | Mary I. Shannon THIS PERSON | 69 | Wife | — | New Hampshire |
| 4 | Eunice B. Shannon | 51 | Daughter | Secretary | New Hamp. |
| 5 | Clifton B. Shannon | 40 | Son | Needle Maker | New Hamp. |
| 6 | Donald W. Whitney | 32 | Head | Staining | Nebraska |
| 7 | Leota A. Whitney | 35 | Wife | — | Florida |
| 8 | Allen J. Whitney | 4 | Son | — | New Hampshire |
| 9 | Joan N. Whitney | 2 | Daughter | — | New Hamp. |
| 10 | Wm. W. Whitney | 1 | Son | — | New Hamp. |
| 11 | Dolores Rouger | 10 | Daughter | — | New Hamp. |
| 12 | Harry J. Burleigh | 65 | Head | — | New Hamp. |
| 13 | Winifred Burleigh | 60 | Wife | — | Vermont |
| 14 | Robert J. Burleigh | 33 | Son | Proprietor | New Hamp. |
| 15 | Clifford Bowers | 29 | Head | Carpenter | Maine |
| 16 | Constance Bowers | 22 | Wife | — | Mass. |
| 17 | Clifford W. Bowers | 1 | Son | — | Mass. |
| 18 | Lillie Aiken | 59 | Head | Clerk | New Hamp. |
| 19 | Lucilla Aiken | 59 | Wife | Clerk | New Hamp. |
| 20 | John Monty | 35 | Head | Truck Driver | Mass. |
| 21 | Alice Monty | 33 | Wife | Telephone Operator | New Hamp. |
| 22 | John Monty | 9 | Son | — | New Hamp. |
| 23 | Ray Monty | 7 | Daughter | — | New Hamp. |
| 24 | Georgia G. Wells | 61 | Head | — | New Hamp. |
| 25 | Armand Livernois | 33 | Head | Needle Maker | Mass. |
| 26 | Alice Livernois | 33 | Wife | — | New Hamp. |
| 27 | Pauline Livernois | 5 | Daughter | — | New Hamp. |
| 28 | Paul Livernois | 3 | Son | — | New Hamp. |
| 29 | Guy Moore | 58 | Head | — | New Hamp. |
| 30 | Frances Moore | 60 | Wife | — | Canada-French |
| 31 | Clifton Moore | 29 | Son | Photographer | New Hamp. |
| 32 | Nellie D. Tetley | 56 | Head | Supervisor | New Hamp. |
| 33 | Charles A. Davis | 54 | Head | Care Taker | New Hamp. |
| 34 | Inez Davis | 51 | Wife | Housekeeper | New Hamp. |
| 35 | Ralph Berry | 58 | Head | Machinist | New Hamp. |
| 36 | Maude Berry | 53 | Wife | — | Maine |
| 37 | Virginia Berry | 18 | Daughter | — | New Hamp. |
| 38 | Herbert Whittier | 40 | Head | Truck Driver | New Hamp. |
| 39 | Lucy Whittier | 37 | Wife | — | Canada-French |
| 40 | Mildred Whittier | 6 | Son | — | New Hamp. |
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)