MC
Mary Connor — 1930 US Census Record
Linked across censuses1930 United States Federal Census · New Castle, Delaware
Our Model Tree links this Mary Connor across the 1920, 1930 and 1940 US Censuses in New Castle, Delaware (XGBoost, ~Confirmed) — first a head (b.~1862), then head of a 6-person household.
Age 68
b. ~1862
Female
Head
Born: Delaware
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | New Castle, Delaware |
| Surname | Connor |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Widowed |
| Birthplace | Delaware |
| Father's Birthplace | North Ireland |
| Mother's Birthplace | North Ireland |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Radio Set | R |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Wilmington City |
| Est. Birth Year | ~1862 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Sarah Connor | Daughter | — | 38 | ~1892 |
| Mary Connor | Head | — | 68 | ~1862 |
| Willa Mcbride | Other | — | 55 | ~1875 |
| Thomas Stone | Other | — | 50 | ~1880 |
| Sarah Luman | Other | — | 77 | ~1853 |
| Mary Stone | Spouse | — | 50 | ~1880 |
Census Appearances
1920
New Castle, …
Spouse, age 58
New Castle, Delaware · implied b. ~1862 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connor |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Delaware |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Textile worker |
| Industry | Textile mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
New Castle, …
Head, age 68
New Castle, Delaware · implied b. ~1862 — 6 household members
| Surname | Connor |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Widowed |
| Birthplace | Delaware |
| Father's Birthplace | North Ireland |
| Mother's Birthplace | North Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Radio Set | R |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Head, age 79
New-Castle-County, Delaware · implied b. ~1861 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connor |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington |
| 1935 Residence (County) | New Castle |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 Mary Connor across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Connor
Head · 1930 · age 68 · b. ~1862 · Delaware
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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 — New Castle, Delaware
Open full size
1930 US Federal Census — New Castle, Delaware
Page Contents
50 people indexed on this census page (ia:1930:15thcensus290unit:0384)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William H. Dilcof | 34 | Head | Machinist | Delaware |
| 2 | Della Dilcof | 34 | Wife | None | Maryland |
| 3 | William D. Dilcof | 9 | Son | None | Delaware |
| 4 | Dorothy V. Dilcof | 6 | Daughter | None | Delaware |
| 5 | Robert J. Murray | 25 | Boarder | Textile Worker | Pennsylvania |
| 6 | Louis Loiselle | 48 | Boarder | Machinist | New Hampshire |
| 7 | Thomas Payne | 25 | Boarder | Laborer | Maryland |
| 8 | Arthur Fleming | 25 | Boarder | Tile Setter | Ohio |
| 9 | Patrick H. Gorman | 72 | Head | None | Massachusetts |
| 10 | Mary A. Gorman | 36 | Daughter | Stenographer | Delaware |
| 11 | Cathaline Gorman | 13 | Daughter | None | Pennsylvania |
| 12 | Harry C. Brooks | 30 | Son-in-law | Pipe Fitter | Delaware |
| 13 | Grace N. Brooks | 32 | Daughter | None | Delaware |
| 14 | William Brooks | 6 | Grandson | None | Delaware |
| 15 | William P. Connor | 38 | Head | Traffic Clerk | Delaware |
| 16 | Emily J. Connor | 36 | Wife | None | New Jersey |
| 17 | William P. Jr. Connor | 12 | Son | None | Delaware |
| 18 | Mary E. Connor | 10 | Daughter | None | Delaware |
| 19 | Emily J. Connor | 8 | Daughter | None | Delaware |
| 20 | John J. Winkler | 70 | — | None | Maryland |
| 21 | Hannah Winkler | 76 | Wife | None | Maryland |
| 22 | Mary E. Connor THIS PERSON | 68 | Head | None | Delaware |
| 23 | Sarah M. Connor | 38 | Daughter | Bookkeeper | Delaware |
| 24 | Thomas U. Stone | 50 | — | Laborer | Washington D.C. |
| 25 | Mary J. Stone | 50 | Wife | None | Delaware |
| 26 | Sarah J. Luman | 77 | Mother-in-law | None | North Ireland |
| 27 | Willa Mcbride | 55 | Sister-in-law | Weaver | Delaware |
| 28 | William Hazzard | 62 | Head | Wood Worker | Irish Free State |
| 29 | Rose R. Hazzard | 58 | Wife | None | North Ireland |
| 30 | Mary E. Hazzard | 28 | Daughter | Stenographer | Delaware |
| 31 | William M. Jr. Hazzard | 27 | Son | Sales Man | Delaware |
| 32 | Margaret L. Hazzard | 22 | Daughter | Operator | Delaware |
| 33 | John P. Hazzard | 20 | Son | Ticker Clerk | Delaware |
| 34 | Anna V. Hazzard | 17 | Daughter | None | Delaware |
| 35 | James Hazzard | 14 | Son | None | Delaware |
| 36 | John P. Mundy | 38 | — | Repairer | Pennsylvania |
| 37 | Rose M. Mundy | 38 | Wife | None | Pennsylvania |
| 38 | Marie Mundy | 17 | Daughter | None | Delaware |
| 39 | Emily Mundy | 10 | Daughter | None | Delaware |
| 40 | John Gibson | 64 | Head | Box Maker | Delaware |
| 41 | Caroline Gibson | 62 | Wife | None | Delaware |
| 42 | Lee Clayton | 62 | — | Foreman | Maryland |
| 43 | Blanche Clayton | 25 | Daughter | None | Delaware |
| 44 | Elsie Dencil | 35 | Housekeeper | Servant | Maryland |
| 45 | Hugh J. Collins | 50 | Head | Textile Worker | Delaware |
| 46 | Anna J. Collins | 46 | Wife | None | Delaware |
| 47 | John J. Collins | 20 | Son | General Clerk | Delaware |
| 48 | Florence Collins | 18 | Daughter | None | Delaware |
| 49 | Hugh Jr. Collins | 17 | Son | Textile Worker | Delaware |
| 50 | James Collins | 13 | Son | None | Delaware |
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)