AP
Andrew Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this Andrew Peterson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 4-person household.
Age 64
b. ~1876
Male
Head
Born: Delaware
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Peterson |
| Given Name | Andrew J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington |
| 1935 Residence (County) | New Castle |
| Additional Details | |
| Occupation | Upholsterer |
| Class of Worker | OA |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Upholsterer |
| Township / Ward | Wilmington |
| Est. Birth Year | ~1876 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Andrew | Age | Birth yr |
|---|---|---|---|---|
| Andrew Peterson | Head | — | 64 | ~1876 |
| George Weeher | Other | — | 50 | ~1890 |
| Andrew Peterson | Son | — | 36 | ~1904 |
| Jennie Peterson | Spouse | — | 59 | ~1881 |
Census Appearances
1900
New Castle, …
Other, age 24
New Castle, Delaware · implied b. ~1876 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Andrew |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Delaware |
| Birth Month | Jan |
| Birth Year | 1876 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Upholsterer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1910
New Castle, …
Head, age 35
New Castle, Delaware · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Andrew D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Delaware |
| Years Married | 7 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Upholsterer |
| Industry | Car Factory |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1920
New Castle, …
Head, age 44
New Castle, Delaware · implied b. ~1876 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Andrew P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Upholsterer |
| Industry | Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
New Castle, …
Head, age 54
New Castle, Delaware · implied b. ~1876 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Andrew T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 27 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Upholsterer |
| Industry | Automobile Co 3822 |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 45 |
| Radio Set | R |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Head, age 64
New-Castle-County, Delaware · implied b. ~1876 — 4 household members
| Surname | Peterson |
| Given Name | Andrew J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington |
| 1935 Residence (County) | New Castle |
| Occupation | Upholsterer |
| Class of Worker | OA |
| Highest Grade | No 7 |
| 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 Andrew Peterson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Andrew Peterson
Head · 1940 · age 64 · b. ~1876 · Delaware
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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 — New-Castle-County, Delaware
Open full size
1940 US Federal Census — New-Castle-County, Delaware
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00552-00642)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Perugie Mungie | 47 | Head | Stone Mason | Italy |
| 42 | Alga Mungie | 42 | Wife | — | Italy |
| 43 | James Mungie | 18 | Son | Tile Worker | Delaware |
| 44 | Dolores Mungie | 16 | Daughter | — | Delaware |
| 45 | Sam Mungie | 15 | Son | — | Delaware |
| 46 | Joseph Gennone | 60 | Head | Sailor | Italy |
| 47 | Vincent Gennone | 61 | Wife | — | Italy |
| 48 | Anne Gennone | 24 | Daughter | — | Delaware |
| 49 | Theresa Gennone | 22 | Daughter | Office Worker | Delaware |
| 50 | Anthony Gennone | 20 | Son | — | Delaware |
| 51 | Frank Tango | 33 | Head | Stone Setter | Italy |
| 52 | Rose Tango | 31 | Wife | — | Delaware |
| 53 | Philomena Tango | 9 | Daughter | — | Delaware |
| 54 | Cesare Cecchi | 32 | Head | Painter | Delaware |
| 55 | Josephine Cecchi | 27 | Wife | — | Pennsylvania |
| 56 | Joanne Cecchi | 4 | Daughter | — | Delaware |
| 57 | Rosalie Cecchi | 1 | Daughter | — | Delaware |
| 58 | Ralph Cecchi | 69 | Father-in-law | Helper Steel | Italy |
| 59 | Charles Robinson | 61 | Head | Scalemaker | South Carolina |
| 60 | Letitia Robinson | 59 | Wife | — | Delaware |
| 61 | Charles Jr. Robinson | 28 | Son | Repairer | Delaware |
| 62 | Gwendolyn Connolly | 37 | Daughter | Office Worker | Delaware |
| 63 | Leo Connolly | 36 | Son-in-law | Operator | Pennsylvania |
| 64 | Clara Spear | 37 | Head | — | Delaware |
| 65 | Ella Spear | 15 | Daughter | — | Delaware |
| 66 | Catherine Spear | 14 | Daughter | — | Delaware |
| 67 | Ann Spear | 12 | Daughter | — | Delaware |
| 68 | Robert Spear | 9 | Son | — | Delaware |
| 69 | Mary Spear | 7 | Daughter | — | Delaware |
| 70 | Nellie Larkly | 67 | Grandmother | — | Delaware |
| 71 | Andrew J. Peterson THIS PERSON | 64 | Head | Upholsterer | Delaware |
| 72 | Jennie A. Peterson | 59 | Wife | — | Delaware |
| 73 | Andrew V. Peterson | 36 | Son | Painter | Delaware |
| 74 | George Weeher | 50 | Boarder | Bus Oper. | Pennsylvania |
| 75 | Willard Reese | 56 | Head | Blacksmith | Pennsylvania |
| 76 | Euphemia Reese | 55 | Wife | — | Delaware |
| 77 | Michael Mcclafferty | 70 | Brother-in-law | Street Cleaner | Scotland |
| 78 | Martha Beck | 64 | Head | — | North Carolina |
| 79 | Nancy Watt | 35 | Daughter | — | Delaware |
| 80 | Henry J. Watt | 33 | Son-in-law | Barber | North Carolina |
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)