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Henry Harris — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this Henry Harris across the 1920, 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed), with identified parents Thomas & Dorothy — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Delaware
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Harris |
| Given Name | Henry M. ? |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Rep Dist 7 |
| 1935 Residence (County) | New Castle |
| Additional Details | |
| Hours Worked | 6 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Rep Dist 7 |
| Est. Birth Year | ~1919 |
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 1940 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| John Harris | Head | — | 43 | ~1897 |
| Louise Rice | Other | — | 29 | ~1911 |
| Henry Harris | Son | — | 21 | ~1919 |
| William Harris | Son | — | 13 | ~1927 |
| Theodore Harris | Son | — | 11 | ~1929 |
| Thomas Harris | Son | — | 17 | ~1923 |
Census Appearances
1920
New Castle, …
Son, age 1
New Castle, Delaware · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Henry M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Delaware |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
New Castle, …
Son, age 11
New Castle, Delaware · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Henry H T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Delaware |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Son, age 21
New-Castle-County, Delaware · implied b. ~1919 — 6 household members
| Surname | Harris |
| Given Name | Henry M. ? |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Rep Dist 7 |
| 1935 Residence (County) | New Castle |
| Hours Worked | 6 |
| Highest Grade | C 3 |
| 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 Henry Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Harris (~0.92 confidence) and mother Dorothy Harris (~0.92 confidence) and mother John Harris (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Harris
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Dorothy Harris
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
John Harris
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Henry Harris
Son · 1940 · age 21 · b. ~1919 · Delaware
★ You are viewing this record
Sibling
William Harris
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Harris
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Harris
Sibling · 1940 · age 17
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 — New-Castle-County, Delaware
Open full size
1940 US Federal Census — New-Castle-County, Delaware
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-00545-00516)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Dorothy? Harris | 43 | Head | Housewife | Delaware |
| 42 | Henry M. ? Harris THIS PERSON | 21 | Son | — | Delaware |
| 43 | Thomas W. ? Harris | 17 | Son | — | Delaware |
| 44 | William P. Harris | 13 | Son | — | Delaware |
| 45 | Theodore J. Harris | 11 | Son | — | Delaware |
| 46 | Louise S. Rice | 29 | Maid | Maid | California |
| 47 | Gustav Regindante | 73 | Head | Farmer | Germany |
| 48 | Lucy E. Regindante | 69 | Wife | Housewife | Maryland |
| 49 | Nicholas Turr | 23 | Butler | General Utility | Washington |
| 50 | George Jarmon | 31 | Head | Laborer | Maryland |
| 51 | Irene E. Jarmon | 25 | Wife | Housewife | New York |
| 52 | Patricia A. Jarmon | 2 | Daughter | — | Delaware |
| 53 | B. Franklin | 24 | Brother | Clerk | Pennsylvania |
| 55 | Howard Pingrey | 38 | Head | Dairyman | New York |
| 57 | Brant Alexander | 35 | Head | Artist | Delaware |
| 58 | Marion Alexander | 41 | Wife | Housewife | Delaware |
| 59 | Florence Alexander | 65 | Mother | Housekeeper | Delaware |
| 60 | Victor Du Pont | 28 | Head | Clerk - Sales | Delaware |
| 61 | Marie Du Pont | 27 | Wife | Housewife | Ohio |
| 62 | Victor Du Pont | 5 | Son | — | Delaware |
| 63 | William Du Pont | 3 | Son | — | Delaware |
| 64 | Milton Starkey | 29 | Servant | Houseman | Maryland |
| 65 | Reba Starkey | 28 | Servant | Domestic Cook | Maryland |
| 66 | Sarah Crary | 30 | Servant | Nurse | Maryland |
| 68 | Charles Everett | 40 | Head | Credit Manager | Delaware |
| 69 | Marion Everett | 57 | Sister | Housewife | Delaware |
| 70 | Victor Du Pont | 58 | Head | Retired | Pennsylvania |
| 71 | Elizabeth E. Du Pont | 54 | Wife | Housewife | Delaware |
| 72 | Charles E. Du Pont | 24 | Son | — | Delaware |
| 73 | William Brown | 45 | Servant | Houseman | Pennsylvania |
| 74 | James E. Pierson | 45 | Head | Carpenter | Delaware |
| 75 | Marguerite Pierson | 44 | Wife | Housewife | Maryland |
| 76 | Frank Pierson | 21 | Son | Helper - Eng. | Delaware |
| 77 | John E. Pierson | 20 | Son | Truck Driver | Pennsylvania |
| 78 | Margaret Ann Pierson | 9 | Daughter | — | Delaware |
| 79 | Charles F. Pierson | 3 | Law | — | Delaware |
| 80 | William H. Pierson | 77 | Father | — | Virginia |
Pedigree Summary
Henry + 3 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)