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Mary Leach — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hancock-County, Maine
Our Model Tree links this Mary Leach across the 1930 and 1940 US Censuses in Hancock-County, Maine (XGBoost, ~Confirmed) — first a spouse (b.~1907), then head of a 5-person household.
Age 33
b. ~1907
Female
Spouse
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hancock-County, Maine |
| Surname | Leach |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hancock |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Maine |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Seal Harbor |
| Est. Birth Year | ~1907 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Barbara Leach | Daughter | — | 9 | ~1931 |
| Natalie Leach | Daughter | — | 2 | ~1938 |
| Myrtle Leach | Daughter | — | 4 | ~1936 |
| Mary Leach | Spouse | — | 33 | ~1907 |
| Alvah Leach | Head | — | 38 | ~1902 |
Census Appearances
1930
Hancock, Maine
Other, age 23
Hancock, Maine · implied b. ~1907 — 15 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leach |
| Given Name | Mary E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 18 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Salesman |
| Industry | Gen'l Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Hancock-County, Maine
Spouse, age 33
Hancock-County, Maine · implied b. ~1907 — 5 household members
| Surname | Leach |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hancock |
| Highest Grade | Hs 4 |
| 1935 Residence | Maine |
| 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 Leach across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Leach
Spouse · 1940 · age 33 · b. ~1907 · Maine
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hancock-County, Maine
Open full size
1940 US Federal Census — Hancock-County, Maine
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01479-00643)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lawrence Jordan | 37 | head | Laborer | Maine |
| 2 | Anna Jordan | 31 | wife | General Maid | Maine |
| 3 | Florence Jordan | 18 | daughter | — | Maine |
| 4 | Lawrence Jr. Jordan | 8 | son | — | Maine |
| 5 | Winfield J. Watson | 23 | head | Gardner | Maine |
| 6 | Eileen Watson | 23 | wife | — | Maine |
| 7 | Dale Watson | 2 | son | — | Maine |
| 8 | Sandra Watson | 0 | daughter | — | Maine |
| 9 | George Kram | 57 | head | Lobster Fisherman | Norway |
| 10 | Anna Kram | 46 | wife | Second Maid | Switzerland |
| 11 | Hughie Wright | 35 | head | Painter | Maine |
| 12 | Margaret Wright | 32 | wife | — | Maine |
| 13 | Arthur Crabtree | 56 | lodger | Grounds Keeper | Maine |
| 14 | Alvah Leach | 38 | head | Truck Driver | Maine |
| 15 | Mary Leach THIS PERSON | 33 | wife | — | Maine |
| 16 | Barbara Leach | 9 | daughter | — | Maine |
| 17 | Myrtle Leach | 4 | daughter | — | Maine |
| 18 | Natalie Leach | 2 | daughter | — | Maine |
| 19 | Emery Pinkham | 39 | head | Truck Driver | Maine |
| 20 | Dorothy Pinkham | 33 | wife | — | Maine |
| 21 | Ira Pinkham | 13 | son | — | Maine |
| 22 | Roger Pinkham | 12 | son | — | Maine |
| 23 | Joseph Pinkham | 10 | son | — | Maine |
| 24 | Mary Pinkham | 7 | daughter | — | Maine |
| 25 | Harry Fernald | 38 | head | Gardner | Maine |
| 26 | Jessie Fernald | 37 | wife | — | Maine |
| 27 | Muriel Fernald | 11 | daughter | — | Maine |
| 28 | Helen Fernald | 4 | daughter | — | Maine |
| 29 | Roger Hamer | 28 | head | Truck Driver | Maine |
| 30 | Phyllis Hamer | 24 | wife | — | Maine |
| 31 | Agnes Hamer | 4 | daughter | — | Maine |
| 32 | Roger Jr. Hamer | 3 | son | — | Maine |
| 33 | Howard Hamer | 2 | son | — | Maine |
| 34 | Arnold Bowden | 34 | head | Truck Driver | Maine |
| 35 | Ada Bowden | 31 | wife | — | Maine |
| 36 | James Bowden | 9 | son | — | Maine |
| 37 | Charles Turnbull | 54 | head | Gardner | Maine |
| 38 | Julia Turnbull | 47 | wife | — | Eire |
| 39 | Charles M. Turnbull | 13 | son | — | Maine |
| 40 | Edward Error In Count | 13 | son | — | Maine |
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)