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Harry Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lancaster-County, Pennsylvania
Our Model Tree links this Harry Martin across the 1910, 1920, 1930 and 1940 US Censuses in Lancaster-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 8-person household.
Age 55
b. ~1885
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lancaster-County, Pennsylvania |
| Surname | Martin |
| Given Name | Harry H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Earl Twp |
| 1935 Residence (County) | Lancaster |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Farmer |
| Township / Ward | Earl Twp |
| Est. Birth Year | ~1885 |
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 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Martin | Head | — | 55 | ~1885 |
| Verna Martin | Other | — | 5 | ~1935 |
| Harry Martin | Other | — | 4 | ~1936 |
| Nathan Martin | Son | — | 16 | ~1924 |
| Henry Martin | Son | — | 33 | ~1907 |
| Norman Martin | Son | — | 13 | ~1927 |
| Lee Martin | Son | — | 14 | ~1926 |
| Katie Martin | Spouse | — | 55 | ~1885 |
Census Appearances
1910
Lancaster, Pennsylvania
Head, age 24
Lancaster, Pennsylvania · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Harris L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 1 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Lancaster, Pennsylvania
Head, age 34
Lancaster, Pennsylvania · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Harry Z. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lancaster, Pennsylvania
Head, age 44
Lancaster, Pennsylvania · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 10000 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lancaster-County, Pennsylvania
Head, age 55
Lancaster-County, Pennsylvania · implied b. ~1885 — 8 household members
| Surname | Martin |
| Given Name | Harry H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Earl Twp |
| 1935 Residence (County) | Lancaster |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harry Martin
Head · 1940 · age 55 · b. ~1885 · 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 — Lancaster-County, Pennsylvania
Open full size
1940 US Federal Census — Lancaster-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03529-00052)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Amos H. Martin | 11 | Son | — | Pennsylvania |
| 42 | Noah H. Martin | 10 | Son | — | Pennsylvania |
| 43 | Ellen H. Martin | 9 | Son | — | Pennsylvania |
| 44 | Aaron H. Martin | 7 | Son | — | Pennsylvania |
| 45 | Adam H. Martin | 6 | Son | — | Pennsylvania |
| 46 | Elizabeth H. Martin | 4 | Daughter | — | Pennsylvania |
| 47 | Elma H. Martin | 2 | Daughter | — | Pennsylvania |
| 48 | Ben. F. Hoover | 28 | Head | Farmer | Pennsylvania |
| 49 | Lizzie M. Hoover | 27 | Wife | — | Pennsylvania |
| 50 | Levi B. Hoover | 12 | Nephew | — | Pennsylvania |
| 51 | Lydia B. Hoover | 9 | Niece | — | Pennsylvania |
| 52 | Mary R. Hoover | 3 | Daughter | 0 | Pennsylvania |
| 53 | Penta R. Hoover | 1 | Daughter | 0 | Pennsylvania |
| 54 | Elam R. Hoover | 0 | Son | 0 | Pennsylvania |
| 55 | Merrit S. Martin | 43 | Head | Farmer | Pennsylvania |
| 56 | Mary S. Martin | 43 | Wife | — | Pennsylvania |
| 57 | Allen Z. Martin | 21 | Son | Farm Laborer | Pennsylvania |
| 58 | Edna Z. Martin | 20 | Daughter | Housework | Pennsylvania |
| 59 | Elam Z. Martin | 19 | Son | Farm Laborer | Pennsylvania |
| 60 | Alice Z. Martin | 17 | Daughter | — | Pennsylvania |
| 61 | Irvin Z. Martin | 15 | Son | Housework | Pennsylvania |
| 62 | Fannie Z. Martin | 13 | Daughter | — | Pennsylvania |
| 63 | Eva Z. Martin | 11 | Daughter | — | Pennsylvania |
| 64 | Elva Z. Martin | 9 | Daughter | — | Pennsylvania |
| 65 | Anna Z. Martin | 6 | Daughter | — | Pennsylvania |
| 66 | Paul Z. Martin | 5 | Son | — | Pennsylvania |
| 67 | Lloyd Z. Martin | 2 | Son | — | Pennsylvania |
| 68 | Martha Martin | 52 | Head | — | Pennsylvania |
| 69 | Dora Martin | 50 | Sister | — | Pennsylvania |
| 70 | Harry H. Martin THIS PERSON | 55 | Head | Farmer | Pennsylvania |
| 71 | Katie B. Martin | 55 | Wife | — | Pennsylvania |
| 72 | Henry S. Martin | 33 | Son | Farmer | Pennsylvania |
| 73 | Nathan S. Martin | 16 | Son | Farm Laborer | Pennsylvania |
| 74 | Lee S. Martin | 14 | Son | Farm Laborer | Pennsylvania |
| 75 | Norman S. Martin | 13 | Son | — | Pennsylvania |
| 76 | Verna Z. Martin | 5 | Granddaughter | — | Pennsylvania |
| 77 | Harry Z. Martin | 4 | Grandson | — | Pennsylvania |
| 78 | Noah K. Martin | 29 | Head | Farmer | Pennsylvania |
| 79 | Emma S. Martin | 28 | Wife | — | Pennsylvania |
| 80 | Aaron S. Martin | 5 | Son | — | 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)