MK
Mary Kuhn — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Kuhn across the 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1874), then head of a 8-person household.
Age 56
b. ~1874
Female
Spouse
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Kuhn |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1874 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Frederick Keyser | Son | — | 14 | ~1916 |
| Alice Keyser | Other | — | 5 | ~1925 |
| Helen Keyser | Daughter | — | 26 | ~1904 |
| Francis Kuhn | Head | — | 56 | ~1874 |
| Inez Keyser | Daughter | — | 16 | ~1914 |
| Albert Keyser | Son | — | 12 | ~1918 |
| Edward Keyser | Other | — | 7 | ~1923 |
| Mary Kuhn | Spouse | — | 56 | ~1874 |
Census Appearances
1920
Philadelphia, Pennsylvania
Spouse, age 47
Philadelphia, Pennsylvania · implied b. ~1873 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kuhn |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| 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
Philadelphia, Pennsylvania
Spouse, age 56
Philadelphia, Pennsylvania · implied b. ~1874 — 8 household members
| Surname | Kuhn |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| 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 Kuhn across 2 US Census years (1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Mary Kuhn
Spouse · 1930 · age 56 · b. ~1874 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2128:0155)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John H. Mitchel | 56 | Head | Fireman | New Jersey |
| 2 | Mary A. Mitchel | 46 | Wife | — | Pennsylvania |
| 3 | John H. Jr. Mitchel | 24 | Son | Feeder | New Jersey |
| 4 | Edna Mitchel | 23 | Wife | — | Pennsylvania |
| 5 | John H. Mitchel | 5 | Son | — | Pennsylvania |
| 6 | Lillian Mitchel | 3 | Daughter | — | Pennsylvania |
| 7 | Irene Mitchel | 1 | Daughter | — | Pennsylvania |
| 8 | William S. Macmichael | 60 | Head | Superintendent | Pennsylvania |
| 9 | Sarah J. Macmichael | 55 | Wife | — | Pennsylvania |
| 10 | Sarah E. Macmichael | 36 | Daughter | Roller | Pennsylvania |
| 11 | Joseph Macmichael | 22 | Son | Shipper | Pennsylvania |
| 12 | John Macmichael | 19 | Son | Clerk | Pennsylvania |
| 13 | Irene Macmichael | 15 | Daughter | Roller | Pennsylvania |
| 14 | Mary Macmichael | 13 | Daughter | — | Pennsylvania |
| 15 | Harry W. Morris | 43 | Head | Custom Officer | Pennsylvania |
| 16 | Mary Morris | 39 | Wife | — | Scotland |
| 17 | Harry J. Morris | 21 | Son | Truck Driver | Pennsylvania |
| 18 | Kathleen Morris | 19 | Daughter | Book Folder | Pennsylvania |
| 19 | Edward Morris | 17 | Son | Apprentice | Pennsylvania |
| 20 | Margaret Morris | 14 | Daughter | — | Pennsylvania |
| 21 | Sarah Morris | 9 | Daughter | — | Pennsylvania |
| 22 | Harry Duffy | 40 | Head | Machinist | Pennsylvania |
| 23 | Mary G. Duffy | 39 | Wife | — | Pennsylvania |
| 24 | John A. Duffy | 10 | Son | — | Pennsylvania |
| 25 | James J. Duffy | 2 | Son | — | Pennsylvania |
| 26 | George W. Mitchell | 19 | Brother In Law | — | Pennsylvania |
| 27 | Thomas Stone | 53 | Head | Shipper | Pennsylvania |
| 28 | Mary Stone | 49 | Wife | — | Pennsylvania |
| 29 | Richard Stone | 28 | Head | Vendor | Pennsylvania |
| 30 | Janet Stone | 19 | Wife | — | Pennsylvania |
| 31 | Ethel Stone | 1 | Daughter | — | Pennsylvania |
| 32 | William Stone | 15 | Son | Messenger | Pennsylvania |
| 33 | Katherine Hughes | 25 | Daughter | — | Pennsylvania |
| 34 | Elizabeth Byrnes | 25 | Boarder | Wrapper | Pennsylvania |
| 35 | Fred. Weber | 54 | Head | Proprietor | Germany |
| 36 | Minnie Weber | 53 | Wife | — | Germany |
| 37 | Jacob Tushnerit | 61 | Head | Dyer | Germany |
| 38 | Alice Tushnerit | 17 | Daughter | — | Pennsylvania |
| 39 | Francis G. Kuhn | 56 | Head | Salesman | Pennsylvania |
| 40 | Mary E. Kuhn THIS PERSON | 56 | Wife | — | Pennsylvania |
| 41 | Helen Keyser | 26 | Daughter | Packer | Pennsylvania |
| 42 | Inez Keyser | 16 | Daughter | — | Pennsylvania |
| 43 | Frederick Keyser | 14 | Son | — | Pennsylvania |
| 44 | Albert Keyser | 12 | Son | — | Pennsylvania |
| 45 | Edward Keyser | 7 | Grandson | — | Pennsylvania |
| 46 | Alice Keyser | 5 | Granddaughter | — | Pennsylvania |
| 47 | Margaret Patton | 53 | Head | — | Pennsylvania |
| 48 | William Patton | 22 | Son | Clerk | Pennsylvania |
| 49 | George F. Patton | 18 | Son | — | Pennsylvania |
| 50 | Margaret Patton | 16 | Daughter | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)