MK
Marie Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this Marie Kelly across the 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed) — first a spouse (b.~1911), then head of a 6-person household.
Age 29
b. ~1911
Female
Spouse
Born: Delaware
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Kelly |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington City |
| 1935 Residence (County) | New Castle |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Wilmington City |
| Est. Birth Year | ~1911 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Janice Kelly | Daughter | — | 7 | ~1933 |
| Marie Kelly | Spouse | — | 29 | ~1911 |
| Jackie Kelly | Son | — | 6 | ~1934 |
| Emmett Kelly | Head | — | 32 | ~1908 |
| Helen Kelly | Daughter | — | 2 | ~1938 |
| Emmett Kelly | Son | — | 3 | ~1937 |
Census Appearances
1930
New Castle, …
Other, age 20
New Castle, Delaware · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Mildred A. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 18 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Spouse, age 29
New-Castle-County, Delaware · implied b. ~1911 — 6 household members
| Surname | Kelly |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington City |
| 1935 Residence (County) | New Castle |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 Marie Kelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Kelly
Spouse · 1940 · age 29 · b. ~1911 · Delaware
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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 — New-Castle-County, Delaware
Open full size
1940 US Federal Census — New-Castle-County, Delaware
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00551-00702)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rose Chapman | 39 | Head | House Work | Maryland |
| 2 | Wilmer Chapman | 14 | Son | — | Maryland |
| 3 | Lola Mathews | 47 | Lodger | General Work | Maryland |
| 4 | Lulu Goss | 24 | Lodger | — | Maryland |
| 5 | Theresa Goss | 26 | Lodger | General Work | Maryland |
| 6 | Alvin Hoster | 23 | Lodger | Laborer | Maryland |
| 7 | Melvin Hoster | 30 | Lodger | Laborer | Maryland |
| 8 | Lodger Mozella | None | F | Pri Family | — |
| 9 | Donald Ross | 9 | Lodger | — | Maryland |
| 10 | Elsie Black | 14 | Lodger | House Work | Maryland |
| 11 | Charles Kyle | 48 | Head | Laborer | Delaware |
| 12 | Mable Kyle | 46 | Wife | — | New Jersey |
| 13 | Edward Kyle | 20 | Son | Laborer | Delaware |
| 14 | Charles Kyle | 18 | Son | — | Delaware |
| 15 | Emmett Kelly | 32 | Head | Mechanic | Delaware |
| 16 | Marie Kelly THIS PERSON | 29 | Wife | — | Delaware |
| 17 | Janice Kelly | 7 | Daughter | — | Delaware |
| 18 | Jackie Kelly | 6 | Son | — | Delaware |
| 19 | Emmett Kelly | 3 | Son | — | Delaware |
| 20 | Helen Kelly | 2 | Daughter | — | Delaware |
| 21 | Max Keller | 59 | Head | Painter | Delaware |
| 22 | Susan Keller | 57 | Wife | — | Delaware |
| 23 | Samuel Keller | 32 | Son | Mechanic | Delaware |
| 24 | Max Keller | 26 | Son | Joiner | Delaware |
| 25 | Louise Keller | 21 | Daughter | — | Delaware |
| 26 | Thomas Keller | 7 | Grandson | — | Delaware |
| 27 | Raymond Klingerman | 29 | Head | Laborer | Pennsylvania |
| 28 | Sarah Klingerman | 26 | Wife | — | Delaware |
| 29 | Raymond Klingerman | 9 | Son | — | Delaware |
| 30 | Elizabeth Klingerman | 3 | Daughter | — | Delaware |
| 31 | Leslie Davis | 39 | Head | Boiler Maker | Delaware |
| 32 | Margaret Davis | 39 | Wife | — | Delaware |
| 33 | Margaret Davis | 21 | Daughter | Glass Washer | Delaware |
| 34 | Thomas Davis | 18 | Son | Boiler Maker Helper | Delaware |
| 35 | Leslie Davis | 17 | Son | New Worker | Delaware |
| 36 | Michael Davis | 15 | Son | — | Delaware |
| 37 | Frank Diorrio | 33 | Head | Mechanic | Delaware |
| 38 | Pearl Diorrio | 29 | Wife | — | Delaware |
| 39 | Frank Diorrio | 10 | Son | — | Delaware |
| 40 | Robert Diorrio | 6 | Son | — | Delaware |
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)