MK
Marie Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Marie Kelly across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 6-person household.
Age 14
b. ~1926
Female
Daughter
Born: Penna
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Kelly |
| Given Name | Marie E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Township / Ward | Phila |
| Est. Birth Year | ~1926 |
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 |
|---|---|---|---|---|
| Marie Kelly | Daughter | — | 14 | ~1926 |
| Francis Kelly | Head | — | 55 | ~1885 |
| Dorothy Kelly | Daughter | — | 20 | ~1920 |
| Eleanor Kelly | Daughter | — | 18 | ~1922 |
| Mary Kelly | Spouse | — | 56 | ~1884 |
| Francis Kelly | Son | — | 10 | ~1930 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 3
Philadelphia, Pennsylvania · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Daughter, age 14
Philadelphia-County, Pennsylvania · implied b. ~1926 — 6 household members
| Surname | Kelly |
| Given Name | Marie E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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
Daughter · 1940 · age 14 · b. ~1926 · Pennsylvania
★ You are viewing this record
Sibling
Francis Kelly
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Kelly
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Kelly
Sibling · 1940 · age 18
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03749-00611)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Caroline Scott | 39 | Head | Stenographer | Penna |
| 2 | Freda Liberman | 39 | Cousin | — | Germany |
| 3 | Carl F. Mendel | 54 | Head | Guard | New York |
| 4 | Anne Mendel | 54 | Wife | — | Penna |
| 5 | Betty Snyder | 20 | Neice | — | Penna |
| 6 | Rosa Latimer | 32 | Maid | Maid | S. Carolina |
| 7 | Donald J. Crawford | 20 | Son | — | Penna |
| 8 | Antony Cotronos | 53 | Head | Proprietor | Greece |
| 9 | Fotina Cotronos | 43 | Wife | — | Greece |
| 10 | Estella Cotronos | 21 | Daughter | — | Penna |
| 11 | Helen Cotronos | 19 | Daughter | Waitress | Penna |
| 12 | Lucas Cotronos | 18 | Son | — | Penna |
| 13 | Constantine Cotronos | 16 | Son | — | Penna |
| 14 | John Cotronos | 2 | Son | — | Penna |
| 15 | Cathena Sarris | 72 | Mother-in-law | — | Greece |
| 16 | William Moore | 60 | Head | Agent | Penna |
| 17 | Jeannie Ramsey | 38 | Housekeeper | Housekeeper | Penna |
| 18 | Louis C. Young | 49 | Head | — | Penna |
| 19 | Edith E. Young | 51 | Wife | — | Penna |
| 20 | Louis C. Jr Young | 26 | Son | Accountant | Penna |
| 21 | Robert C. Young | 20 | Son | — | Penna |
| 22 | Bertha Smack | 53 | Head | — | Virginia |
| 23 | Carrie Roberts | 50 | Maid | Maid | Georgia |
| 24 | Francis P. Kelly | 55 | Head | Real Estate Broker | Penna |
| 25 | Mary C. Kelly | 56 | Wife | — | England |
| 26 | Dorothy M. Kelly | 20 | Daughter | Bookkeeper | Penna |
| 27 | Eleanor Kelly | 18 | Daughter | — | Penna |
| 28 | Marie E. Kelly THIS PERSON | 14 | Daughter | — | Penna |
| 29 | Francis P. Jr Kelly | 10 | Son | — | Penna |
| 30 | Cancelled | None | — | — | — |
| 31 | Anne Mccarten | 65 | Head | — | New Hampshire |
| 32 | Mary Mccarten | 42 | Daughter | Elementary School Teacher | Penna |
| 33 | Delilah Y. Bash | 72 | Head | — | Penna |
| 34 | Joseph E. Givin | 51 | Head | Partner | Penna |
| 35 | Grace P. Givin | 39 | Wife | — | Penna |
| 36 | Jean Givin | 25 | Daughter | Bookkeeper | Penna |
| 37 | Margery Givin | 19 | Daughter | Salesgirl | Penna |
| 38 | Mary Leacharis | 12 | Daughter | — | New Jersey |
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)