DM
David Martin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lancaster, Pennsylvania
Our Model Tree links this David Martin across the 1920 and 1930 US Censuses in Lancaster, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 9-person household.
Age 41
b. ~1889
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Lancaster, Pennsylvania |
| Surname | Martin |
| Given Name | David S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 31 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Farmer |
| Industry | Genl Farming |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Farmer |
| Township / Ward | Caernarvon Township |
| Est. Birth Year | ~1889 |
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 1930 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Marie Martin | Daughter | — | 12 | ~1918 |
| Sadie Martin | Daughter | — | 7 | ~1923 |
| David Martin | Head | — | 41 | ~1889 |
| Willis Martin | Son | — | 16 | ~1914 |
| Amos Martin | Son | — | 20 | ~1910 |
| Lewis Martin | Son | — | 10 | ~1920 |
| James Martin | Son | — | 8 | ~1922 |
| David Martin | Son | — | 13 | ~1917 |
| Lydia Martin | Spouse | — | 21 | ~1909 |
Census Appearances
1920
Lancaster, Pennsylvania
Head, age 32
Lancaster, Pennsylvania · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lancaster, Pennsylvania
Head, age 41
Lancaster, Pennsylvania · implied b. ~1889 — 9 household members
| Surname | Martin |
| Given Name | David S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 31 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | Genl Farming |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| 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 David Martin across 2 US Census years (1920 and 1930) in Lancaster, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
David Martin
Head · 1930 · age 41 · b. ~1889 · 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 — Lancaster, Pennsylvania
Open full size
1930 US Federal Census — Lancaster, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2055:1092)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David R King | 42 | Head | Laborer | Pennsylvania |
| 2 | Sarah B King | 48 | Wife | — | Pennsylvania |
| 3 | Earl King | 13 | Son | — | Pennsylvania |
| 4 | Steyer King | 10 | Son | — | Pennsylvania |
| 5 | Sarah Mcclure | 75 | Aunt | — | Pennsylvania |
| 6 | Amos M Martin | 45 | Head | Farmer | Pennsylvania |
| 7 | Mattie Martin | 39 | Wife | — | Pennsylvania |
| 8 | Katie Martin | 19 | Daughter | — | Pennsylvania |
| 9 | Lydia Ann Martin | 18 | Daughter | — | Pennsylvania |
| 10 | Lizzie Martin | 15 | Daughter | — | Pennsylvania |
| 11 | Esther Martin | 14 | Daughter | — | Pennsylvania |
| 12 | Francis Martin | 13 | Daughter | — | Pennsylvania |
| 13 | Maggie Martin | 11 | Daughter | — | Pennsylvania |
| 14 | Emma Martin | 10 | Daughter | — | Pennsylvania |
| 15 | Leah Martin | 9 | Daughter | — | Pennsylvania |
| 16 | Annie Martin | 7 | Daughter | — | Pennsylvania |
| 17 | Minnie Martin | 6 | Daughter | — | Pennsylvania |
| 18 | David Martin | 4 | Son | — | Pennsylvania |
| 19 | Reuben Martin | 3 | Son | — | Pennsylvania |
| 20 | Amos Martin | 1 | Son | — | Pennsylvania |
| 21 | David S Martin THIS PERSON | 41 | Head | Farmer | Pennsylvania |
| 22 | Lydia W Martin | 21 | Wife | — | Pennsylvania |
| 23 | Amos W Martin | 20 | Son | — | Pennsylvania |
| 24 | Willis W Martin | 16 | Son | — | Pennsylvania |
| 25 | David W Martin | 13 | Son | — | Pennsylvania |
| 26 | Marie W Martin | 12 | Daughter | — | Pennsylvania |
| 27 | Lewis W Martin | 10 | Son | — | Pennsylvania |
| 28 | James Martin | 8 | Son | — | Pennsylvania |
| 29 | Sadie Martin | 7 | Daughter | — | Pennsylvania |
| 30 | John W Brown | 55 | Head | Farmer | Pennsylvania |
| 31 | Mattie B Brown | 54 | Wife | — | Pennsylvania |
| 32 | Abner B Brown | 26 | Son | Laborer | Pennsylvania |
| 33 | Hiram Brown | 22 | Son | — | Pennsylvania |
| 34 | Harry Brown | 18 | Son | — | Pennsylvania |
| 35 | John D Witmer | 58 | Head | Farmer | Pennsylvania |
| 36 | Ada Witmer | 60 | Wife | — | Pennsylvania |
| 37 | Henry Witmer | 39 | Son | Laborer | Pennsylvania |
| 38 | John Weller | 57 | Head | Farmer | Pennsylvania |
| 39 | Katie Weller | 46 | Wife | — | Pennsylvania |
| 40 | Lizzie Weller | 17 | Daughter | — | Pennsylvania |
| 41 | Bessie Weller | 14 | Daughter | — | Pennsylvania |
| 42 | Minnie Weller | 11 | Daughter | — | Pennsylvania |
| 43 | Lilly Weller | 7 | Daughter | — | Pennsylvania |
| 44 | Stephen Kauffman | 68 | Head | Miner | Pennsylvania |
| 45 | Samuel Kauffman | 66 | Brother | Miner | Pennsylvania |
| 46 | Clara Kauffman | 53 | Sister | — | Pennsylvania |
| 47 | Christian Hornberger | 23 | Head | Laborer | Pennsylvania |
| 48 | Viola Hornberger | 25 | Wife | — | Pennsylvania |
| 49 | Raymond Hornberger | 2 | Son | — | Pennsylvania |
| 50 | Mildred Hornberger | 1 | 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)