MS
Mary Shannon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Westmoreland-County, Pennsylvania
Our Model Tree links this Mary Shannon across the 1930 and 1940 US Censuses in Westmoreland-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1904), then head of a 9-person household.
Age 36
b. ~1904
Female
Spouse
Born: Penna
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Westmoreland-County, Pennsylvania |
| Surname | Shannon |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Penna |
| 1935 Residence (City) | Murrysville |
| 1935 Residence (County) | Westmoreland |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Township / Ward | Murrysville |
| Est. Birth Year | ~1904 |
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 |
|---|---|---|---|---|
| Evelyn Shannon | Daughter | — | 16 | ~1924 |
| William Shannon | Son | — | 6 | ~1934 |
| Raymond Shannon | Son | — | 19 | ~1921 |
| Earl Shannon | Son | — | 12 | ~1928 |
| Raymond Shannon | Head | — | 38 | ~1902 |
| Gail Shannon | Daughter | — | 17 | ~1923 |
| Mary Shannon | Spouse | — | 36 | ~1904 |
| Mildred Shannon | Daughter | — | 10 | ~1930 |
| Ruth Shannon | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Westmoreland, Pennsylvania
Spouse, age 26
Westmoreland, Pennsylvania · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shannon |
| Given Name | Mary L |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Penna |
| Age at First Marriage | 16 |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Westmoreland-County, Pennsylvania
Spouse, age 36
Westmoreland-County, Pennsylvania · implied b. ~1904 — 9 household members
| Surname | Shannon |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Penna |
| 1935 Residence (City) | Murrysville |
| 1935 Residence (County) | Westmoreland |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| 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 Mary Shannon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Shannon
Spouse · 1940 · age 36 · b. ~1904 · Pennsylvania
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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 — Westmoreland-County, Pennsylvania
Open full size
1940 US Federal Census — Westmoreland-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03630-00116)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles H. Ross | 6 | Son | — | Penna |
| 2 | Edgar L. Ralston | 69 | Head | Preacher | Penna |
| 3 | Margaret J. Ralston | 62 | Wife | — | Penna |
| 4 | Lloyd C. King | 40 | Head | District Supr. | West Virginia |
| 5 | Hazel L. King | 34 | Wife | — | Penna |
| 6 | Chet J. King | 5 | Daughter | — | Penna |
| 7 | Lloyd L. King | 5 | Son | — | Penna |
| 8 | Raymond A. Shannon | 38 | Head | Labourer | Penna |
| 9 | Mary L. Shannon THIS PERSON | 36 | Wife | — | Penna |
| 10 | Raymond A. Shannon | 19 | Son | New Worker | Penna |
| 11 | Gail L. Shannon | 17 | Daughter | — | Penna |
| 12 | Evelyn D. Shannon | 16 | Daughter | — | Penna |
| 13 | Earl L. Shannon | 12 | Son | — | Penna |
| 14 | Ruth L. Shannon | 11 | Daughter | — | Penna |
| 15 | Mildred L. Shannon | 10 | Daughter | — | Penna |
| 16 | William C. Shannon | 6 | Son | — | Penna |
| 17 | George O. Hall | 65 | Head | Doctor | Penna |
| 18 | Grace E. Hall | 24 | Daughter | Investigator | Penna |
| 19 | Vincent B. Hall | 20 | Son | — | Penna |
| 20 | Phoebe A. Hall | 27 | Daughter | — | Penna |
| 21 | Myrtle Mantz | 27 | Housekeeper | Housekeeper | Penna |
| 22 | Fred Lash | 71 | Head | — | Penna |
| 23 | Lena Z. Lash | 65 | Wife | — | Penna |
| 24 | Phoebe A. Lash | 21 | Adopted | Labourer | Penna |
| 25 | Francis D. Doyle | 36 | Head | Molder | Penna |
| 26 | Mary E. Doyle | 34 | Wife | — | Penna |
| 27 | Betty B. Doyle | 12 | Daughter | — | Penna |
| 28 | Francis D. Doyle | 10 | Son | — | Penna |
| 29 | Mary N. Doyle | 3 | Daughter | — | Penna |
| 30 | Margaret E. Doyle | 25 | Daughter | — | Penna |
| 31 | Chester C. Kistner | 31 | Head | Painter | Penna |
| 32 | June L. Kistner | 27 | Wife | — | Penna |
| 33 | Donald C. Kistner | 8 | Son | — | Penna |
| 34 | Loraine J. Kistner | 6 | Daughter | — | Penna |
| 35 | William J. Apel | 57 | Head | Manager | Colorado |
| 36 | John D. Apel | 22 | Son | Machine Helper | Penna |
| 37 | John Apel | 79 | Father | — | Penna |
| 38 | Harriet Apel | 77 | Mother | — | Penna |
| 39 | Beatrice Abel | 50 | Housekeeper | Housekeeper | Penna |
| 40 | Vernon L. Droughton | 37 | Head | Testing Eng. | Penna |
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)