MK
Margaret Kelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Margaret Kelly across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Lee & Mary — first a head (b.~1890), then head of a 3-person household.
Age 50
b. ~1890
Female
Head
Born: Maryland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Kelly |
| Given Name | Margaret F. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Wilkinsburg |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Wilkinsburg |
| Est. Birth Year | ~1890 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Kelly | Head | — | 50 | ~1890 |
| Mary Trower | Other | — | 72 | ~1868 |
| Cyril Kelly | Son | — | 30 | ~1910 |
Census Appearances
Daughter, age 30
Allegheny, Pennsylvania · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelley |
| Given Name | Margaret T. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Maryland |
| Occupation | Clerk |
| Industry | Penna R.R. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Allegheny, Pennsylvania
Daughter, age 41
Allegheny, Pennsylvania · implied b. ~1889 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Age at First Marriage | 19 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Maryland |
| Occupation | Stenographer |
| Industry | Law Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Allegheny-County, Pennsylvania
Head, age 50
Allegheny-County, Pennsylvania · implied b. ~1890 — 3 household members
| Surname | Kelly |
| Given Name | Margaret F. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Wilkinsburg |
| 1935 Residence (County) | Allegheny |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| 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 Margaret Kelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lee Trower (~0.92 confidence) and mother Mary Groves (~0.92 confidence) and mother Mary Trower (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lee Trower
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Mary Groves
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Mary Trower
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Kelly
Head · 1940 · age 50 · b. ~1890 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03421-00388)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarah D. Wallock | 58 | Head | Office Clerk | Pennsylvania |
| 2 | Margaret P. Wallock | 52 | Sister | — | Pennsylvania |
| 3 | Hannah Ochley | 82 | Head | Teacher | Pennsylvania |
| 4 | Phoebe Elizabeth Ochley | 70 | Sister | Teacher | Pennsylvania |
| 5 | Julia Marie Ochley | 65 | Mother | — | Pennsylvania |
| 6 | William E. Adams | 58 | Head | Salesman | Pennsylvania |
| 7 | Jane Adams | 58 | Wife | — | Pennsylvania |
| 8 | Jane Adams | 26 | Daughter | Office Clerk | Pennsylvania |
| 9 | Annie J. Schumacher | 80 | Head | — | Pennsylvania |
| 10 | Amy Rhoads | 72 | Sister | — | Pennsylvania |
| 11 | Edna M. Eisler | 50 | Head | Teacher | Pennsylvania |
| 12 | Robert Morgan | 30 | Head | Store Clerk | Pennsylvania |
| 13 | Mary Morgan | 32 | Wife | — | Pennsylvania |
| 14 | Lillian Vonder Heide | 25 | Sister | Store Clerk | Pennsylvania |
| 15 | Heiley Virginia Vortey | 2 | Niece | — | Pennsylvania |
| 16 | Robert Dankel | 49 | Head | Research Engineer | Pennsylvania |
| 17 | Olive Dankel | 46 | Wife | — | Pennsylvania |
| 18 | Mary Borovich | 69 | Head | — | Pennsylvania |
| 19 | Nicholas B. Borovich | 40 | Son | Office Clerk | Pennsylvania |
| 20 | Rosena Borovich | 30 | Daughter | Bookkeeper | Pennsylvania |
| 21 | Phyllis Cadelic | 16 | Ward | — | Pennsylvania |
| 22 | Doreen Cadelic | 10 | Ward | — | Pennsylvania |
| 23 | Sara Johnson | 52 | Head | — | Pennsylvania |
| 24 | Ada Johnson | 20 | Daughter | — | Pennsylvania |
| 25 | Walter Johnson | 18 | Son | — | Ohio |
| 26 | Jack Johnson | 15 | Son | — | Ohio |
| 27 | Jesse Johnson | 46 | Head | Purchasing Dept. | Nebraska |
| 28 | Frances Johnson | 47 | Wife | — | Pennsylvania |
| 29 | Emmett Ashcraft | 57 | Head | Inspector | Pennsylvania |
| 30 | Edna Ashcraft | 56 | Wife | — | Pennsylvania |
| 31 | Alice Ochar | 39 | Daughter | Registered Nurse | Pennsylvania |
| 32 | Margaret F. Kelly THIS PERSON | 50 | Head | — | Maryland |
| 33 | Cyril F. Kelly | 30 | Son | Office Clerk | Maryland |
| 34 | Mary R. Trower | 72 | Mother | — | Maryland |
| 35 | Arthur D. Venael | 57 | Head | Maintenance | Pennsylvania |
| 36 | Frances M. Venael | 69 | Wife | — | Michigan |
| 37 | Charles Mac Causey | 77 | Head | — | Alabama |
| 38 | George Walter Causey | 50 | Son | Painter | Alabama |
| 39 | Jewell F. Causey | 44 | Son | Auditor | Georgia |
Related Census Records
Pedigree Summary
Margaret
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)