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Mary Lund — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Maine
Our Model Tree links this Mary Lund across the 1930 and 1940 US Censuses in Washington-County, Maine (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 11-person household.
Age 11
b. ~1929
Female
Daughter
Born: Maine
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Maine |
| Surname | Lund |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Plantation 14 |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Highest Grade | Yes 5 |
| 1935 Residence | Same House |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Plantation 14 |
| Est. Birth Year | ~1929 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Horatio Lund | Head | — | 78 | ~1862 |
| Maurice Lund | Son | — | 19 | ~1921 |
| Annie Lund | Spouse | — | 57 | ~1883 |
| Paul Gray | Other | — | 12 | ~1928 |
| Frank Gray | Other | — | 12 | ~1928 |
| William Lund | Son | — | 16 | ~1924 |
| Leo Lund | Son | — | 7 | ~1933 |
| Mary Lund | Daughter | — | 11 | ~1929 |
| Clifton Lund | Son | — | 27 | ~1913 |
| Philip Gray | Other | — | 13 | ~1927 |
| Alta Gray | Daughter | — | 30 | ~1910 |
Census Appearances
1930
Washington, Maine
Daughter, age 1
Washington, Maine · implied b. ~1929 — 16 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lund |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Canada |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Washington-County, Maine
Daughter, age 11
Washington-County, Maine · implied b. ~1929 — 11 household members
| Surname | Lund |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Plantation 14 |
| 1935 Residence (County) | Washington |
| Highest Grade | Yes 5 |
| 1935 Residence | Same House |
| 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 Lund across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lund
Daughter · 1940 · age 11 · b. ~1929 · Maine
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Sibling
William Lund
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maurice Lund
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifton Lund
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alta Gray
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Lund
Sibling · 1940 · age 7
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 — Washington-County, Maine
Open full size
1940 US Federal Census — Washington-County, Maine
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01494-00411)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas D. Gardner | 7 | Son | — | Maine |
| 42 | Clyde N. Hatton | 26 | Head | Laborer | Maine |
| 43 | Louisa M. Hatton | 20 | Wife | — | Maine |
| 44 | Clyde M. Hatton | 1 | Son | — | Maine |
| 45 | Orrin Maker | 73 | Boarder | — | Maine |
| 46 | Eldoras Maker | 59 | Boarder | Laborer | Maine |
| 47 | Willard S. Neddeau | 87 | Head | — | Maine |
| 48 | Edna C. Harris | 49 | Housekeeper | Housekeeper | Maine |
| 49 | Flossie M. Harris | 9 | Boarder | — | Maine |
| 50 | Charles R. Taynor | 57 | Head | Sea Captain | Maine |
| 51 | Alice G. Taynor | 46 | Wife | — | Maine |
| 52 | Malcolm E. Taynor | 11 | Son | — | Maine |
| 53 | Jeanette A. Taynor | 8 | Grandchild | — | Maine |
| 54 | Roger C. Taynor | 7 | Son | — | Maine |
| 55 | Loretta Taynor | 1 | Grandchild | — | Maine |
| 56 | Charlene Taynor | 0 | Grandchild | — | Maine |
| 57 | Horatio N. Lund | 78 | Head | Farmer | Maine |
| 58 | Annie W. Lund | 57 | Wife | — | English |
| 59 | Clifton H. Lund | 27 | Son | Farmer | Maine |
| 60 | Maurice H. Lund | 19 | Son | Laborer | Maine |
| 61 | William M. Lund | 16 | Son | N.Y.A. Student | Maine |
| 62 | Mary J. Lund THIS PERSON | 11 | Daughter | — | Maine |
| 63 | Alta S. Gray | 30 | Daughter | Housework | Maine |
| 64 | Philip D. Gray | 13 | Grandson | — | Maine |
| 65 | Frank S. Gray | 12 | Grandson | — | Maine |
| 66 | Paul S. Gray | 12 | Grandson | — | Maine |
| 67 | Leo W. Lund | 7 | Son | — | Maine |
| 68 | Samuel H. Lund | 27 | Head | Caretaker | Maine |
| 69 | Bertha H. Lund | 27 | Wife | — | Maine |
| 70 | Olivia O. Lund | 8 | Daughter | — | Maine |
| 71 | Henry L. Lund | 6 | Son | — | Maine |
| 72 | Allen M. Lund | 2 | Son | — | Maine |
| 73 | Pauline A. Albee | 15 | Niece | — | Maine |
| 74 | Lawrence C. Lund | 23 | Head | Laborer | Maine |
| 75 | Louise D. Lund | 22 | Wife | — | Maine |
| 76 | Ellen M. Lund | 0 | Daughter | — | Maine |
| 77 | Robert G. Cornforth | 76 | Head | — | Massachusetts |
| 78 | Gertrude E. Cornforth | 71 | Wife | — | Maine |
| 79 | Sidney W. Gray | 60 | Head | Farmer | Maine |
| 80 | Effie M. Gray | 57 | Wife | — | 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)