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Mary Gilmore — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Mary Gilmore across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Gilmore |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Media |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Media |
| Est. Birth Year | ~1927 |
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 |
|---|---|---|---|---|
| David Gilmore | Son | — | 11 | ~1929 |
| Mary Gilmore | Daughter | — | 13 | ~1927 |
| Geo Gilmore | Son | — | 19 | ~1921 |
| Ralph Gilmore | Son | — | 7 | ~1933 |
| Martin Gilmore | Head | — | 39 | ~1901 |
| Bertha Gilmore | Spouse | — | 38 | ~1902 |
| Martin Gilmore | Son | — | 14 | ~1926 |
Census Appearances
1930
Delaware, Pennsylvania
Daughter, age 3
Delaware, Pennsylvania · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gilmore |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Daughter, age 13
Delaware-County, Pennsylvania · implied b. ~1927 — 7 household members
| Surname | Gilmore |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Media |
| 1935 Residence (County) | Delaware |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Gilmore across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Gilmore
Daughter · 1940 · age 13 · b. ~1927 · Pennsylvania
★ You are viewing this record
Sibling
Ralph Gilmore
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geo Gilmore
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Gilmore
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Gilmore
Sibling · 1940 · age 11
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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03493-00699)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carolyn Cunningham | 27 | Wife | Attendant | Pennsylvania |
| 42 | Bessam Cunningham | 4 | Son | Plumber | Pennsylvania |
| 43 | Florence Hoopes | 40 | Daughter | Waitress | Pennsylvania |
| 44 | Robert Hoopes | 13 | Grandson | — | Pennsylvania |
| 45 | Edward Hoopes | 11 | Grandson | — | Pennsylvania |
| 46 | Doris Hoopes | 10 | Daughter | — | Pennsylvania |
| 47 | William Hoopes | 9 | Grandson | — | Pennsylvania |
| 48 | James Hoopes | 8 | Grandson | — | Pennsylvania |
| 49 | David H. Orr | 70 | Head | Laborer | Pennsylvania |
| 50 | Grace Armstrong | 43 | Daughter | — | Pennsylvania |
| 51 | Ethel Armstrong | 47 | Daughter | Tipstaff | Pennsylvania |
| 52 | Anna L. Gibbs | 60 | Head | Housework | Pennsylvania |
| 53 | Sarah Gibbs | 40 | Daughter | Housework | Pennsylvania |
| 54 | Clifford Gibbs | 17 | Son | — | Pennsylvania |
| 55 | Ethel Johnson | 25 | Lodger | Shoe Worker | Pennsylvania |
| 56 | Robert W. Boyer | 44 | Head | Laborer | Maryland |
| 57 | Elizabeth Boyer | 44 | Wife | — | Pennsylvania |
| 58 | Kelton S. Garnett | 37 | Head | Laborer | Pennsylvania |
| 59 | Mary Garnett | 31 | Wife | Housework | Pennsylvania |
| 60 | Charles Winters | 24 | Son | Truck Driver | Pennsylvania |
| 61 | David Judge | 39 | Head | Truck Driver | South Carolina |
| 62 | Pearl Judge | 41 | Wife | Housework | N. Carolina |
| 63 | Carl Judge | 19 | Son | Bus Boy | Pennsylvania |
| 64 | Clarence Judge | 17 | Son | — | Pennsylvania |
| 65 | Clayton Judge | 16 | Son | — | Pennsylvania |
| 66 | Joyce Judge | 12 | Daughter | — | Pennsylvania |
| 67 | Roland Judge | 6 | Son | — | Pennsylvania |
| 68 | Naomi Judge | 5 | Daughter | — | Pennsylvania |
| 69 | Edgar Bishop | 67 | Head | Gardener | Virginia |
| 70 | Mattie Bishop | 64 | Wife | — | Pennsylvania |
| 71 | Edgar Jr. Bishop | 26 | Son | Electrician | Pennsylvania |
| 72 | Martin Gilmore | 39 | Head | House Engineer | Pennsylvania |
| 73 | Bertha Gilmore | 38 | Wife | — | Pennsylvania |
| 74 | Geo. C. Gilmore | 19 | Son | Clerk | Pennsylvania |
| 75 | Martin Jr. Gilmore | 14 | Son | — | Pennsylvania |
| 76 | Mary C. Gilmore THIS PERSON | 13 | Daughter | — | Pennsylvania |
| 77 | David C. Gilmore | 11 | Son | — | Pennsylvania |
| 78 | Ralph B. Gilmore | 7 | Son | — | Pennsylvania |
| 79 | Bessie Stewart | 57 | Head | — | Pennsylvania |
| 80 | Agnes Stewart | 34 | Daughter | Stenographer | Pennsylvania |
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)