MP
Mary Palmer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Mary Palmer across the 1920, 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 9-person household.
Age 43
b. ~1897
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Palmer |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Jackson Dist |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Jackson Dist |
| Est. Birth Year | ~1897 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Avis Palmer | Daughter | — | 14 | ~1926 |
| Loraine Palmer | Daughter | — | 3 | ~1937 |
| Anna Palmer | Daughter | — | 9 | ~1931 |
| Sarah Palmer | Daughter | — | 11 | ~1929 |
| Rachael Palmer | Daughter | — | 17 | ~1923 |
| Malcolm Palmer | Head | — | 56 | ~1884 |
| Malcolm Palmer | Son | — | 16 | ~1924 |
| Kenneth Palmer | Son | — | 2 | ~1938 |
| Mary Palmer | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Frederick, Maryland
Other, age 23
Frederick, Maryland · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Palmer |
| Given Name | Mary E. |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Other, age 33
Frederick, Maryland · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Palmer |
| Given Name | Mary E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 23 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farm Laborer |
| Industry | Truck Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Spouse, age 43
Frederick-County, Maryland · implied b. ~1897 — 9 household members
| Surname | Palmer |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Jackson Dist |
| 1935 Residence (County) | Frederick |
| Highest Grade | 7 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Palmer 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 Palmer
Spouse · 1940 · age 43 · b. ~1897 · Maryland
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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 — Frederick-County, Maryland
Open full size
1940 US Federal Census — Frederick-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01549-00404)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gladys Stottlemyer | 12 | Daughter | — | Maryland |
| 42 | Russell C. Stottlemyer | 7 | Son | — | Maryland |
| 43 | Albert S. Stuffer | 35 | Head | Laborer | Maryland |
| 44 | Mildred E. Stuffer | 36 | Wife | — | Maryland |
| 45 | Dorothy M. Stuffer | 14 | Daughter | — | Maryland |
| 46 | Roland S. Stuffer | 9 | Son | — | Maryland |
| 47 | Donald L. Stuffer | 3 | Son | — | Maryland |
| 48 | Betty Jane Stuffer | 1 | Daughter | — | Maryland |
| 49 | Walter Nicodemus | 35 | Head | Farmer | Maryland |
| 50 | Mary F. Nicodemus | 33 | Wife | — | Maryland |
| 51 | Walter E. Nicodemus | 12 | Son | — | Maryland |
| 52 | Donald L. Nicodemus | 8 | Son | — | Maryland |
| 53 | Franklin E. Nicodemus | 6 | Son | — | Maryland |
| 54 | Cata D. Haupt | 70 | Head | Farmer | Maryland |
| 55 | Clifford Haupt | 22 | Son | Laborer | Maryland |
| 56 | Charles Douglas | 36 | Head | Farmer | Maryland |
| 57 | Alice V. Douglas | 31 | Wife | — | Maryland |
| 58 | Dorothy L. Douglas | 18 | Daughter | — | Maryland |
| 59 | Esther R. Douglas | 3 | Daughter | — | Maryland |
| 60 | James H. Smith | 61 | Head | — | Maryland |
| 61 | Elsie E. Smith | 62 | Wife | — | Maryland |
| 62 | Hubert M. Smith | 30 | Head | Farmer | Maryland |
| 63 | Cordella Smith | 30 | Wife | — | Maryland |
| 64 | Russell Smith | 8 | Son | — | Maryland |
| 65 | Malcolm Palmer | 56 | Head | Farmer | Maryland |
| 66 | Mary E. Palmer THIS PERSON | 43 | Wife | — | Maryland |
| 67 | Rachael L. Palmer | 17 | Daughter | — | Maryland |
| 68 | Malcolm S. Palmer | 16 | Son | — | Maryland |
| 69 | Avis Palmer | 14 | Daughter | — | Maryland |
| 70 | Sarah M. Palmer | 11 | Daughter | — | Maryland |
| 71 | Anna Palmer | 9 | Daughter | — | Maryland |
| 72 | Loraine Palmer | 3 | Daughter | — | Maryland |
| 73 | Kenneth Palmer | 2 | Son | — | Maryland |
| 74 | Lafayette A. Main | 66 | Head | Farmer | Maryland |
| 75 | Susan J. Main | 59 | Wife | — | Maryland |
| 76 | Daniel Fackler | 60 | Head | Farmer | Maryland |
| 77 | Bertha M. Fackler | 60 | Wife | — | Maryland |
| 78 | Edna B. Morrison | 31 | Daughter | — | Maryland |
| 79 | Hubert W. Morrison | 34 | Son-in-law | Laborer | Maryland |
| 80 | Harold L. Morrison | 7 | Grandson | — | Maryland |
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)