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John Summers — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lancaster, Pennsylvania
Our Model Tree links this John Summers across the 1920 and 1930 US Censuses in Lancaster, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 10-person household.
Age 20
b. ~1910
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Lancaster, Pennsylvania |
| Surname | Summers |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Carpenter |
| Township / Ward | Strasburg Borough |
| Est. Birth Year | ~1910 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Marion Summers | Daughter | — | 16 | ~1914 |
| Mary Summers | Daughter | — | 7 | ~1923 |
| Hazel Summers | Daughter | — | 14 | ~1916 |
| George Summers | Head | — | 50 | ~1880 |
| John Summers | Other | — | 77 | ~1853 |
| Mary Summers | Other | — | 48 | ~1882 |
| Charles Summers | Son | — | 10 | ~1920 |
| Robert Summers | Son | — | 18 | ~1912 |
| John Summers | Son | — | 20 | ~1910 |
| Jacob Summers | Son | — | 12 | ~1918 |
Census Appearances
1920
Lancaster, Pennsylvania
Son, age 11
Lancaster, Pennsylvania · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Summers |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| 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
Lancaster, Pennsylvania
Son, age 20
Lancaster, Pennsylvania · implied b. ~1910 — 10 household members
| Surname | Summers |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Carpenter |
| Industry | Building |
| Class of Worker | W |
| 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 John Summers across 2 US Census years (1920 and 1930) in Lancaster, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
John Summers
Son · 1930 · age 20 · b. ~1910 · Pennsylvania
★ You are viewing this record
Sibling
Hazel Summers
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Summers
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Summers
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Summers
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Summers
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jacob Summers
Sibling · 1930 · age 12
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
1930 US Federal Census — Lancaster, Pennsylvania
Open full size
1930 US Federal Census — Lancaster, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2059:0213)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Freda Echternach | 7 | Daughter | — | Pennsylvania |
| 52 | Joseph L. Echternach | 2 | Son | — | Pennsylvania |
| 53 | George C. Summers | 50 | Head | Gunsmith | Pennsylvania |
| 54 | Mary H. Summers | 48 | Wife-H | — | Pennsylvania |
| 55 | John H. Summers THIS PERSON | 20 | Son | Carpenter | Pennsylvania |
| 56 | Robert C. Summers | 18 | Son | — | Pennsylvania |
| 57 | Marion R. Summers | 16 | Daughter | — | Pennsylvania |
| 58 | Hazel L. Summers | 14 | Daughter | — | Pennsylvania |
| 59 | Jacob P. Summers | 12 | Son | — | Pennsylvania |
| 60 | Charles C. Summers | 10 | Son | — | Pennsylvania |
| 61 | Mary J. Summers | 7 | Daughter | — | Pennsylvania |
| 62 | John R. Summers | 77 | Father | — | Pennsylvania |
| 63 | Lela M. Denninger | 27 | Head-H | Cutter | Pennsylvania |
| 64 | Jeanne Denninger | 14 | Daughter | — | Pennsylvania |
| 65 | Mary Denninger | 12 | Daughter | — | Pennsylvania |
| 66 | Charles W. Denninger | 9 | Son | — | Pennsylvania |
| 67 | Jacob M. Welch | 55 | Head | Laborer | Pennsylvania |
| 68 | Emma L. Welch | 75 | Mother-H | — | Pennsylvania |
| 69 | Clarence D. Stensharle | 62 | Head | Manager | Pennsylvania |
| 70 | Annie V. Stensharle | 63 | Wife-H | — | Pennsylvania |
| 71 | Marion Stensharle | 32 | Daughter | Teacher | Pennsylvania |
| 72 | Robert C. Groh | 34 | Head | Recorder | Pennsylvania |
| 73 | Marguerite G. Groh | 31 | Wife-H | — | Pennsylvania |
| 74 | Marjorie H. Groh | 9 | Daughter | — | Pennsylvania |
| 75 | John H. Smith | 73 | Blacksmith shop | Blacksmith | Pennsylvania |
| 76 | Mary J. Smith | 72 | Wife-H | — | Pennsylvania |
| 77 | Arthur L. Mork | 21 | Head | Baker | Pennsylvania |
| 78 | Ada M. Mork | 19 | Wife-H | — | Pennsylvania |
| 79 | Gladys R. Mork | 1 | Daughter | — | Pennsylvania |
| 80 | John E. Rohrer | 31 | Head | Draftsman | Pennsylvania |
| 81 | Harriet Rohrer | 31 | Wife-H | — | Pennsylvania |
| 82 | Richard E. Rohrer | 9 | Son | — | Pennsylvania |
| 83 | John J. Jr. Rohrer | 6 | Son | — | Pennsylvania |
| 84 | Richard C. Horn | 67 | Head | Traveling Salesman | Germany |
| 85 | Gertrude C. Horn | 52 | Wife-H | — | Pennsylvania |
| 86 | Lash, Bessie L. Horn | 47 | Sister-in-law | Practical Nurse | Pennsylvania |
| 87 | Elizabeth H. Lepore | 67 | Head-H | — | Pennsylvania |
| 88 | Milton H. Ranck | 51 | Head | Dealer | Pennsylvania |
| 89 | Mary H. Ranck | 46 | Wife-H | — | Pennsylvania |
| 90 | Jacob R. Ab. Ranck | 23 | Son | — | Pennsylvania |
| 91 | John M. Ab. Ranck | 20 | Son | — | Pennsylvania |
| 92 | Mary G. Ab. Ranck | 18 | Daughter | — | Pennsylvania |
| 93 | Jacob L. Mowery | 74 | Head | Physician | Pennsylvania |
| 94 | Roberta Mowery | 62 | Wife-H | — | Pennsylvania |
| 95 | Oliver H. Winger | 48 | Head | Clergyman | Pennsylvania |
| 96 | Emma L. Winger | 46 | Wife-H | — | Pennsylvania |
| 97 | Kathryn R. Winger | 24 | Daughter | Clerk | Pennsylvania |
| 98 | Arthur E. Winger | 21 | Son | Milk Sealer | Pennsylvania |
| 99 | Martin Wiker | 81 | Head | — | Pennsylvania |
| 100 | Edith Swigart | 50 | Daughter | Dressmaker | 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)