MH
Martha Harris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Martha Harris across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1874), then head of a 13-person household.
Age 66
b. ~1874
Female
Spouse
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Harris |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | CHESTER CITY |
| 1935 Residence (County) | DELAWARE |
| Additional Details | |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Chester 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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Margaret Stokes | Daughter | — | 27 | ~1913 |
| George Harris | Head | — | 67 | ~1873 |
| Lewis Motley | Other | — | 40 | ~1900 |
| Norman Stokes | Other | — | 9 | ~1931 |
| Samuel Stokes | Other | — | 34 | ~1906 |
| Joyce Stokes | Other | — | 7 | ~1933 |
| Gloria Stokes | Other | — | 5 | ~1935 |
| Daniel Jefferson | Other | — | 21 | ~1919 |
| Jeanice Stokes | Other | — | ~1940 | |
| Theodore Stokes | Other | — | 3 | ~1937 |
| Clarence Jefferson | Son | — | ~1940 | |
| Martha Harris | Spouse | — | 66 | ~1874 |
| Inize Jefferson | Spouse | — | 16 | ~1924 |
Census Appearances
1920
Delaware, Pennsylvania
Spouse, age 43
Delaware, Pennsylvania · implied b. ~1877 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Delaware, Pennsylvania
Other, age 56
Delaware, Pennsylvania · implied b. ~1874 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Martha |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 19 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Delaware-County, Pennsylvania
Spouse, age 66
Delaware-County, Pennsylvania · implied b. ~1874 — 13 household members
| Surname | Harris |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | CHESTER CITY |
| 1935 Residence (County) | DELAWARE |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Martha Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Martha Harris
Spouse · 1940 · age 66 · b. ~1874 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03489-00106)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Page Fossett | 23 | Nephew | Laborer | New Jersey |
| 42 | Eva Hammond | 31 | Housekeeper | Housekeeper | Georgia |
| 43 | Yulatta Fossett | 14 | Niece | — | New Jersey |
| 44 | Edward Berry | 43 | Head | Boiler | Maryland |
| 45 | Ethel Berry | 33 | Wife | — | Alabama |
| 46 | Thomas Merse | 27 | Brother in law | Shipper | Alabama |
| 47 | Earnest Marshall | 37 | Lodger | Laborer | Maryland |
| 48 | Edward Jr. Berry | 21 | Son | New Worker | Maryland |
| 49 | Bryant Kerey | 55 | Head | — | Georgia |
| 50 | Reatha Munroe | 17 | Grand Daughter | New Worker | Penna |
| 51 | De Renzo Ellis | 38 | Brother in law | Laborer | Georgia |
| 52 | Rita Ellis | 40 | Sister in law | — | Georgia |
| 53 | Oscar Jones | 25 | Lodger | Janitor | Alabama |
| 54 | Frances Jones | 26 | Wife | — | Tennessee |
| 55 | Oscar Jones | 5 | Son | — | Ohio |
| 56 | Paul Jones | 2 | Son | — | Penna |
| 57 | Rebecca Thomas | 83 | Head | — | New Jersey |
| 58 | James Thomas | 59 | Son | Street Cleaner | New Jersey |
| 59 | Albert Thomas | 50 | Son | Laborer | New Jersey |
| 60 | Robert Thomas | 28 | Grand Son | Laborer | Penna |
| 61 | George Harris | 67 | Head | Own Business | Virginia |
| 62 | Martha Harris THIS PERSON | 66 | Wife | — | Virginia |
| 63 | Samuel Stokes | 34 | Son in law | Laborer | Virginia |
| 64 | Margaret Stokes | 27 | Daughter | — | Virginia |
| 65 | Norman Stokes | 9 | Grand Son | — | Penna |
| 66 | Joyce Stokes | 7 | Grand Daughter | — | Penna |
| 67 | Gloria Stokes | 5 | Grand Daughter | — | Penna |
| 68 | Theodore Stokes | 3 | Grand Son | — | Penna |
| 69 | Jeanice Stokes | 0 | Grand Daughter | — | Penna |
| 70 | Lewis Motley | 40 | Lodger | — | Virginia |
| 71 | Daniel W. Jefferson | 21 | Lodger | Laborer | Virginia |
| 72 | Inize Jefferson | 16 | Wife | — | Virginia |
| 73 | Clarence Jefferson | 0 | Son | — | Penna |
| 74 | Earnest Patterson | 35 | Head | Laborer | Virginia |
| 75 | Maude Patterson | 33 | Wife | — | Georgia |
| 76 | Robert Patterson | 13 | Son | — | N. Carolina |
| 77 | Bessie Patterson | 12 | Daughter | — | N. Carolina |
| 78 | Martha Patterson | 8 | Daughter | — | N. Carolina |
| 79 | Rose Patterson | 6 | Daughter | — | Penna |
| 80 | Catherine Patterson | 4 | Daughter | — | Penna |
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)