HM
Harry Martin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Lancaster, Pennsylvania
Our Model Tree links this Harry Martin across the 1900, 1910, 1920 and 1930 US Censuses in Lancaster, Pennsylvania (XGBoost, ~Confirmed), with identified parents Samuel & Lizzie — first a head (b.~1897), then head of a 4-person household.
Age 33
b. ~1897
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Lancaster, Pennsylvania |
| Surname | Martin |
| Given Name | Harry H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 24 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Farmer |
| Industry | General farming |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Farmer |
| Township / Ward | East Earl Township |
| Est. Birth Year | ~1897 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Alice Martin | Daughter | — | 5 | ~1925 |
| Harry Martin | Head | — | 33 | ~1897 |
| Margaret Martin | Other | — | 27 | ~1903 |
| Eugene Gibson | Other | — | 10 | ~1920 |
Census Appearances
1900
Lancaster, Pennsylvania
Son, age 3
Lancaster, Pennsylvania · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Harry H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Oct |
| Birth Year | 1897 |
| 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 |
1910
Lancaster, Pennsylvania
Son, age 12
Lancaster, Pennsylvania · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Lancaster, Pennsylvania
Head, age 22
Lancaster, Pennsylvania · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Harry H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Weaver |
| Industry | Silk Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lancaster, Pennsylvania
Head, age 33
Lancaster, Pennsylvania · implied b. ~1897 — 4 household members
| Surname | Martin |
| Given Name | Harry H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 24 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General farming |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| 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 Harry Martin across 4 US Census years (1900, 1910, 1920 and 1930) in Lancaster, Pennsylvania, using XGBoost record linkage. Identified parents: father Samuel Martin (~0.92 confidence) and mother Lizzie Martin (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Martin
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Lizzie Martin
b. ~1861
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Martin
Head · 1930 · age 33 · b. ~1897 · Pennsylvania
★ You are viewing this record
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:fifteenthcensus00reel2056:0557)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harry K. Horosh | 11 | Son | — | Pennsylvania |
| 52 | Elsie G. Horosh | 6 | Daughter | — | Pennsylvania |
| 53 | Elam Wenger | 24 | Head | Farmer | Pennsylvania |
| 54 | Nettie Wenger | 20 | Wife-H | — | Pennsylvania |
| 55 | Menno Wenger | 72 | Head | — | Pennsylvania |
| 56 | Lydia Wenger | 66 | Wife-H | — | Pennsylvania |
| 57 | Harry Wenger | 25 | Son | Farm | Pennsylvania |
| 58 | Ivan Wenger | 22 | Son | Farm | Pennsylvania |
| 59 | Daniel Nolt | 33 | Head | Farmer | Pennsylvania |
| 60 | Mary Nolt | 27 | Wife-H | — | Pennsylvania |
| 61 | Francis Nolt | 1 | Daughter | — | Pennsylvania |
| 62 | John Nolt | 0 | Son | — | Pennsylvania |
| 63 | George Geldonridge | 66 | Head | Laborer | Pennsylvania |
| 64 | Charles Pflaumer | 52 | Head | Laborer | Pennsylvania |
| 65 | Harry H. Martin THIS PERSON | 33 | Head | Farmer | Pennsylvania |
| 66 | Margaret Martin | 27 | Wife-H | — | Pennsylvania |
| 67 | Alice E. Martin | 5 | Daughter | — | Pennsylvania |
| 68 | Eugene Gibson | 10 | Servant | — | Pennsylvania |
| 69 | David G. Burkholder | 37 | Head | Farmer | Pennsylvania |
| 70 | Lizzie Burkholder | 34 | Wife-H | — | Pennsylvania |
| 71 | Moses Burkholder | 13 | Son | — | Pennsylvania |
| 72 | Annie Burkholder | 12 | Daughter | — | Pennsylvania |
| 73 | Maria Burkholder | 10 | Daughter | — | Pennsylvania |
| 74 | Ida Burkholder | 8 | Daughter | — | Pennsylvania |
| 75 | Weaver Burkholder | 7 | Son | — | Pennsylvania |
| 76 | Lizzie Burkholder | 6 | Daughter | — | Pennsylvania |
| 77 | Levi Burkholder | 5 | Son | — | Pennsylvania |
| 78 | Daniel Burkholder | 3 | Son | — | Pennsylvania |
| 79 | David Burkholder | 2 | Son | — | Pennsylvania |
| 80 | Martha Burkholder | 0 | Daughter | — | Pennsylvania |
| 81 | David W. Upenger | 21 | Servant | Laborer | Pennsylvania |
| 82 | Hiram Sweigart | 57 | Head | Farmer | Pennsylvania |
| 83 | Lena Sweigart | 59 | Wife-H | — | Pennsylvania |
| 84 | Daniel Schnupp | 38 | Head | Farmer | Pennsylvania |
| 85 | Martha M. Schnupp | 38 | Wife-H | — | Pennsylvania |
| 86 | Julia Schnupp | 13 | Daughter | — | Pennsylvania |
| 87 | William Schnupp | 9 | Son | — | Pennsylvania |
| 88 | Pauline Schnupp | 5 | Daughter | — | Pennsylvania |
| 89 | Harry Horst | 28 | Head | Farmer | Pennsylvania |
| 90 | Elizabeth Horst | 27 | Wife-H | — | Pennsylvania |
| 91 | Edith M. Horst | 5 | Daughter | — | Pennsylvania |
| 92 | Ray R. Horst | 3 | Son | — | Pennsylvania |
| 93 | Lloyd R. Horst | 1 | Son | — | Pennsylvania |
| 94 | Elmer R. Witmer | 40 | Head | Farmer | Pennsylvania |
| 95 | Susie Witmer | 39 | Wife-H | — | Pennsylvania |
| 96 | Esther Witmer | 15 | Daughter | — | Pennsylvania |
| 97 | Raymond Witmer | 13 | Son | — | Pennsylvania |
| 98 | Leon Witmer | 5 | Son | — | Pennsylvania |
| 99 | Earl Witmer | 1 | Son | — | Pennsylvania |
| 100 | William Raudenbush | 15 | Roomer | — | Pennsylvania |
Pedigree Summary
Harry
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)