MJ
Martha Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Northampton-County, Pennsylvania
Our Model Tree links this Martha Jones across the 1920, 1930 and 1940 US Censuses in Northampton-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 5-person household.
Age 68
b. ~1872
Female
Head
Born: Wales
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Northampton-County, Pennsylvania |
| Surname | Jones |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Widowed |
| Birthplace | Wales |
| 1935 Residence (City) | Windgap Boro |
| 1935 Residence (County) | Northampton |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Housewife |
| Industry | At Home |
| Class of Worker | np |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
| Occupation | Housewife |
| Township / Ward | Windgap Boro |
| Est. Birth Year | ~1872 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Clark | Daughter | — | 43 | ~1897 |
| Martha Jones | Head | — | 68 | ~1872 |
| Hugh Clark | Other | — | 57 | ~1883 |
| John Jones | Son | — | 44 | ~1896 |
| Richard Jones | Spouse | — | 80 | ~1860 |
Census Appearances
1920
Northampton, Pennsylvania
Spouse, age 47
Northampton, Pennsylvania · implied b. ~1873 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Wales |
| Year of Immigration | 1907 |
| Naturalization Status | Alien |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1930
Northampton, Pennsylvania
Other, age 58
Northampton, Pennsylvania · implied b. ~1872 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Martha |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Wales |
| Naturalization Status | Alien |
| Year of Immigration | 1906 |
| Age at First Marriage | 21 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read/Write | Yes |
| Mother Tongue | Welsh |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1940
Northampton-County, Pennsylvania
Head, age 68
Northampton-County, Pennsylvania · implied b. ~1872 — 5 household members
| Surname | Jones |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Widowed |
| Birthplace | Wales |
| 1935 Residence (City) | Windgap Boro |
| 1935 Residence (County) | Northampton |
| Naturalization Status | Naturalized |
| Occupation | Housewife |
| Industry | At Home |
| Class of Worker | np |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
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 Jones 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 Jones
Head · 1940 · age 68 · b. ~1872 · 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 — Northampton-County, Pennsylvania
Open full size
1940 US Federal Census — Northampton-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03594-00726)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary E. Wagner | 45 | Wife | Housewife | Penna |
| 42 | Raymond A. Wagner | 25 | Son | Cabinet Maker | Penna |
| 43 | Sterling C. Wagner | 22 | Son | Cabinet Maker | Penna |
| 44 | Janet Wagner | 11 | Daughter | — | Penna |
| 45 | Warren D. Heiney | 37 | Head | Rural Mail | Penna |
| 46 | Annie C. Heiney | 36 | Wife | Housewife | Penna |
| 47 | Joseph H. Heiney | 13 | Son | — | Penna |
| 48 | Virginia L. Heiney | 10 | Daughter | — | Penna |
| 49 | Heber Paul Heiney | 6 | Son | — | Penna |
| 50 | Milton Bonney | 28 | Head | Truck Driver | Penna |
| 51 | Bertha Bonney | 25 | Wife | Housewife | Penna |
| 52 | Gloria Bonney | 3 | Daughter | — | Penna |
| 53 | Lottie S. Bonney | 18 | Sister | New Worker | Penna |
| 54 | Norman D. Simon | 33 | Head | Painter & Hanger | Penna |
| 55 | Laura M. Simon | 32 | Wife | Folder | Penna |
| 56 | Clarence Darrohn | 40 | Head | Mill Helper | Penna |
| 57 | May H. Darrohn | 30 | Wife | Housewife | Penna |
| 58 | Donald S. Darrohn | 8 | Son | — | Penna |
| 59 | Ernest D. Darrohn | 5 | Son | — | Penna |
| 60 | Larry L. Darrohn | 3 | Son | — | Penna |
| 61 | Catherine Trinoline | 22 | Lodger | Sewing Mach. | Penna |
| 62 | Martha Jones THIS PERSON | 68 | Head | Housewife | Wales |
| 63 | Richard R. Jones | 80 | Husband | Invalid | Wales |
| 64 | John R. Jones | 44 | Son | Slate | Wales |
| 65 | Hugh J. Clark | 57 | Son-in-law | Mill Worker | England |
| 66 | Elizabeth Clark | 43 | Daughter | Housewife | Wales |
| 67 | Isaiah Davey | 42 | Head | Laborer | Wales |
| 68 | Priscilla Davey | 39 | Wife | Housewife | Wales |
| 69 | Isaiah J. Davey | 15 | Son | — | Penna |
| 70 | Archibald Bell | 63 | Head | Road Foreman | Scotland |
| 71 | Augustine Bell | 61 | Wife | Housewife | Penna |
| 72 | William S. Learner | 30 | Head | Laborer | Penna |
| 73 | Edith Learner | 30 | Wife | Machine Opr. | Penna |
| 74 | Patsy Learner | 7 | Son | — | Penna |
| 75 | Raymond Ducan | 47 | Head | Laborer | New Jersey |
| 76 | Blanche Ducan | 46 | Wife | Machine Opr. | Penna |
| 77 | Layton D. Dash | 45 | Head | Salesman | Penna |
| 78 | Laura M. Dash | 42 | Wife | Housewife | Penna |
| 79 | Nathan G. Dash | 18 | Son | — | Penna |
| 80 | Marie S. Dash | 16 | 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)