MC
Mary Chase — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Blair-County, Pennsylvania
Our Model Tree links this Mary Chase across the 1920, 1930 and 1940 US Censuses in Blair-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 5-person household.
Age 76
b. ~1864
Female
Head
Born: Pennsylvania
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Blair-County, Pennsylvania |
| Surname | Chase |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona City |
| 1935 Residence (County) | Blair |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Altoona City |
| Est. Birth Year | ~1864 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| David Roberts | Other | — | 11 | ~1929 |
| Mary Chase | Head | — | 76 | ~1864 |
| Robert Mcmunn | Other | — | 49 | ~1891 |
| Annie Murphy | Other | — | 69 | ~1871 |
| Esther Chase | Daughter | — | 40 | ~1900 |
Census Appearances
1920
Blair, Pennsylvania
Spouse, age 53
Blair, Pennsylvania · implied b. ~1867 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chase |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Blair, Pennsylvania
Spouse, age 66
Blair, Pennsylvania · implied b. ~1864 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chase |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 19 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Blair-County, Pennsylvania
Head, age 76
Blair-County, Pennsylvania · implied b. ~1864 — 5 household members
| Surname | Chase |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona City |
| 1935 Residence (County) | Blair |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 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 Chase across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Chase
Head · 1940 · age 76 · b. ~1864 · 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 — Blair-County, Pennsylvania
Open full size
1940 US Federal Census — Blair-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03439-00128)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nellie B Kelley | 26 | daughter | — | Pennsylvania |
| 2 | James A Kelley | 8 | son | — | Pennsylvania |
| 3 | Barbara E Kelley | 3 | daughter | — | Pennsylvania |
| 4 | John J D Wyserman | 70 | Head | Salesman | Germany |
| 5 | Marguerite P Wyserman | 42 | wife | — | Pennsylvania |
| 6 | Martha J Hunn | 68 | Mother-in-law | — | Pennsylvania |
| 7 | Charles L Fluke | 31 | Head | Fireman | Pennsylvania |
| 8 | Margaret D Fluke | 34 | wife | — | Pennsylvania |
| 9 | Mona Thompson | 10 | daughter | — | Pennsylvania |
| 10 | Eileen Thompson | 10 | daughter | — | Pennsylvania |
| 11 | Edwin R Wolfe | 42 | Head | Boilermaker | Pennsylvania |
| 12 | Ethel D Wolfe | 42 | wife | — | Pennsylvania |
| 13 | Jean M Wolfe | 12 | daughter | — | Pennsylvania |
| 14 | Henry H Langdon | 75 | Partner | — | Ireland |
| 15 | — | None | — | — | — |
| 16 | Alba Urban | 37 | Head | Helper | Pennsylvania |
| 17 | Sarah O Urban | 28 | wife | — | Pennsylvania |
| 18 | George Urban | 2 | son | — | Pennsylvania |
| 19 | Hannah Urban | 69 | Mother | — | Sweden |
| 20 | Frederick Rufitsch | 45 | Head | Electric Welder | Pennsylvania |
| 21 | Maria O Rufitsch | 45 | wife | — | Pennsylvania |
| 22 | Norma Rufitsch | 7 | daughter | — | Pennsylvania |
| 23 | Margaret Piper | 34 | Sister | Bookkeeper | Pennsylvania |
| 24 | Mary E Chase THIS PERSON | 76 | Head | — | Pennsylvania |
| 25 | Esther Chase | 40 | daughter | — | Pennsylvania |
| 26 | Annie Murphy | 69 | Aunt | — | Pennsylvania |
| 27 | Robert W Mcmunn | 49 | Cousin | Brakeman | Pennsylvania |
| 28 | David B Roberts | 11 | Relative | — | Pennsylvania |
| 29 | Floyd Lamb | 42 | Head | Mail Clerk | Pennsylvania |
| 30 | Emma O Lamb | 39 | wife | — | Pennsylvania |
| 31 | Frederick Lamb | 17 | son | — | Pennsylvania |
| 32 | Arthur Lamb | 13 | son | — | Pennsylvania |
| 33 | Lois Lamb | 5 | daughter | — | Pennsylvania |
| 34 | Melvin O Yea | 31 | Head | Laborer | Pennsylvania |
| 35 | Eleanor O Yea | 31 | wife | — | Pennsylvania |
| 36 | Thomas Yea | 1 | son | — | Pennsylvania |
| 37 | Paul Yea | 0 | son | — | Pennsylvania |
| 38 | Joseph A Talasky | 45 | Head | Machinist | Pennsylvania |
| 39 | Margaret Talasky | 44 | wife | — | Pennsylvania |
| 40 | William Myron | 22 | Step-son | Helper | 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)