MM
Martha Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Warren-County, Pennsylvania
Our Model Tree links this Martha Martin across the 1930 and 1940 US Censuses in Warren-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 10-person household.
Age 16
b. ~1924
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Warren-County, Pennsylvania |
| Surname | Martin |
| Given Name | Martha J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Youngsville |
| 1935 Residence (County) | Warren |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Conewango Twp |
| Est. Birth Year | ~1924 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Martin | Daughter | — | 15 | ~1925 |
| Annabelle Martin | Daughter | — | 9 | ~1931 |
| Martha Martin | Daughter | — | 16 | ~1924 |
| Rachel Martin | Daughter | — | 18 | ~1922 |
| Shirly Martin | Daughter | — | 5 | ~1935 |
| Carl Martin | Head | — | 46 | ~1894 |
| Ralph Pike | Other | — | 23 | ~1917 |
| Carl Martin | Son | — | 10 | ~1930 |
| Ronald Martin | Son | — | 2 | ~1938 |
| Lilly Martin | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Warren, Pennsylvania
Daughter, age 6
Warren, Pennsylvania · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Martha J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Warren-County, Pennsylvania
Daughter, age 16
Warren-County, Pennsylvania · implied b. ~1924 — 10 household members
| Surname | Martin |
| Given Name | Martha J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Youngsville |
| 1935 Residence (County) | Warren |
| Industry | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Pennsylvania |
| 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 Martha Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Martin
Daughter · 1940 · age 16 · b. ~1924 · Pennsylvania
★ You are viewing this record
Sibling
Shirly Martin
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ronald Martin
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Martin
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annabelle Martin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Martin
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rachel Martin
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Warren-County, Pennsylvania
Open full size
1940 US Federal Census — Warren-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03618-00230)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Doris M Hamblin | 16 | Daughter | — | Pennsylvania |
| 2 | Margaret E Hamblin | 13 | Daughter | — | Pennsylvania |
| 3 | Betty K Hamblin | 8 | Daughter | — | Pennsylvania |
| 4 | Carl E Martin | 46 | Head | Truck Driver | Pennsylvania |
| 5 | Lilly B Martin | 45 | Wife | — | Pennsylvania |
| 6 | Rachel L Martin | 18 | Daughter | Servant | Pennsylvania |
| 7 | Martha J Martin THIS PERSON | 16 | Daughter | — | Pennsylvania |
| 8 | Dorothy M Martin | 15 | Daughter | — | Pennsylvania |
| 9 | Carl E Jr Martin | 10 | Son | — | Pennsylvania |
| 10 | Annabelle Martin | 9 | Daughter | — | Pennsylvania |
| 11 | Shirly Ann Martin | 5 | Daughter | — | Pennsylvania |
| 12 | Ronald L Martin | 2 | Son | — | Pennsylvania |
| 13 | Ralph E Pike | 23 | Lodger | Laborer | Pennsylvania |
| 14 | Ray W Miller | 53 | Head | Carpenter | New York |
| 15 | Charles L Sechrist | 45 | Head | Tool Maker | Pennsylvania |
| 16 | Nora Sechrist | 81 | Mother | — | Pennsylvania |
| 17 | Orrin R Wood | 61 | Head | Carpenter | Pennsylvania |
| 18 | Maibelle E Wood | 56 | Wife | — | Pennsylvania |
| 19 | Katherine A Skillman | 61 | Head | House Work | Pennsylvania |
| 20 | Joseph G Skillman | 34 | Head | Painter | Pennsylvania |
| 21 | Amy K Skillman | 30 | Wife | — | Pennsylvania |
| 22 | George D Spade | 79 | Head | — | Pennsylvania |
| 23 | Elmer M Knupp | 61 | Head | Carpenter | Pennsylvania |
| 24 | Myrtle Knupp | 63 | Wife | — | Pennsylvania |
| 25 | Morris H Knupp | 32 | Son | — | Pennsylvania |
| 26 | Charles R Knupp | 19 | Son | — | Pennsylvania |
| 27 | Henry F Nichols | 70 | Head | — | England |
| 28 | Bert Nichols | 73 | Brother | — | England |
| 29 | Grant C Childs | 43 | Head | Bridges Helpers | Pennsylvania |
| 30 | Twila M Childs | 39 | Wife | — | Pennsylvania |
| 31 | Grant B Childs | 19 | Son | Laborer | Pennsylvania |
| 32 | Allan E Johnson | 32 | Head | Furnace Tender | Pennsylvania |
| 33 | Cecelia E Johnson | 32 | Wife | — | Pennsylvania |
| 34 | Joyce E Johnson | 9 | Daughter | — | Pennsylvania |
| 35 | Wanda J Johnson | 7 | Daughter | — | Pennsylvania |
| 36 | Florence A Donadei | 70 | Head | — | Italy |
| 37 | Joseph B Donadei | 36 | Son | Laborer | Pennsylvania |
| 38 | Frank E Donadei | 34 | Son | Laborer | Pennsylvania |
| 39 | Charles M Hansen | 44 | Head | Farmer | Pennsylvania |
| 40 | Pearl S Hansen | 42 | Wife | — | 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)