EC
Emma Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wicomico-County, Maryland
Our Model Tree links this Emma Cooper across the 1930 and 1940 US Censuses in Wicomico-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 9-person household.
Age 19
b. ~1921
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wicomico-County, Maryland |
| Surname | Cooper |
| Given Name | Emma M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Salisbury |
| 1935 Residence (County) | Wicomico |
| Additional Details | |
| Occupation | Attendant |
| Industry | N.Y.A. |
| Class of Worker | GW |
| Hours Worked | 26 |
| Income (1939) | 24 |
| Highest Grade | Hs 4 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Attendant |
| Township / Ward | Mardela Springs Town |
| Est. Birth Year | ~1921 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| Victoria Cooper | Spouse | — | 41 | ~1899 |
| Marion Cooper | Son | — | 17 | ~1923 |
| Marjorie Cooper | Daughter | — | 8 | ~1932 |
| Paul Cooper | Son | — | 4 | ~1936 |
| Emma Cooper | Daughter | — | 19 | ~1921 |
| Herman Cooper | Head | — | 42 | ~1898 |
| Alton Cooper | Son | — | 11 | ~1929 |
| William Cooper | Son | — | 14 | ~1926 |
| Virginia Cooper | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Wicomico, Maryland
Daughter, age 8
Wicomico, Maryland · implied b. ~1922 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Emma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Wicomico-County, Maryland
Daughter, age 19
Wicomico-County, Maryland · implied b. ~1921 — 9 household members
| Surname | Cooper |
| Given Name | Emma M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Salisbury |
| 1935 Residence (County) | Wicomico |
| Occupation | Attendant |
| Industry | N.Y.A. |
| Class of Worker | GW |
| Hours Worked | 26 |
| Income (1939) | 24 |
| Highest Grade | Hs 4 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Emma Cooper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Emma Cooper
Daughter · 1940 · age 19 · b. ~1921 · Maryland
★ You are viewing this record
Sibling
Marion Cooper
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Cooper
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alton Cooper
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Cooper
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Cooper
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Cooper
Sibling · 1940 · age 4
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 — Wicomico-County, Maryland
Open full size
1940 US Federal Census — Wicomico-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01563-00026)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dewey O. Barr | 40 | Head | — | Maryland |
| 42 | Franklin D. Barr | 10 | Daughter | — | Maryland |
| 43 | George E. Barr | 6 | Son | — | Maryland |
| 44 | Leland M. Adkins | 46 | Head | Laborer | Maryland |
| 45 | Lola E. Adkins | 45 | Wife | — | Maryland |
| 46 | Billie M. Adkins | 24 | Son | Truck Driver | Maryland |
| 47 | Mary E. Adkins | 23 | Daughter | Stenographer | Maryland |
| 48 | Levin E. Adkins | 21 | Son | Farmer | Maryland |
| 49 | Hazel M. Adkins | 17 | Daughter | — | Maryland |
| 50 | Yola C. Adkins | 14 | Daughter | — | Maryland |
| 51 | Thayer S. Adkins | 11 | Daughter | — | Maryland |
| 52 | Herman T. Cooper | 42 | Head | Farmer | Maryland |
| 53 | Victoria B. Cooper | 41 | Wife | — | Maryland |
| 54 | Emma M. Cooper THIS PERSON | 19 | Daughter | Attendant | Maryland |
| 55 | Marion J. Cooper | 17 | Son | — | Maryland |
| 56 | William E. Cooper | 14 | Son | — | Maryland |
| 57 | Virginia L. Cooper | 13 | Daughter | — | Maryland |
| 58 | Alton V. Cooper | 11 | Son | — | Maryland |
| 59 | Marjorie L. Cooper | 8 | Daughter | — | Maryland |
| 60 | Paul H. Cooper | 4 | Son | — | Maryland |
| 61 | Isaac T. Cooper | 70 | Head | — | Maryland |
| 62 | Levin H. Cooper | 28 | Son | Farmer | Maryland |
| 63 | Louis H. Shockley | 62 | Head | Farmer | Maryland |
| 64 | Irma G. Shockley | 52 | Wife | — | Maryland |
| 65 | Joseph J. Shockley | 26 | Son | Farmer | Maryland |
| 66 | Samuel S. Eckhard | 61 | Head | — | Virginia |
| 67 | Ella B. Eckhard | 47 | Wife | — | Virginia |
| 68 | Lyle Eckhard | 29 | Son | Truck Driver | Virginia |
| 69 | Charles H. Eckhard | 19 | Son | Director | Virginia |
| 70 | Walter H. Taylor | 55 | Head | Farmer | Maryland |
| 71 | Viola Taylor | 55 | Wife | Operator | Maryland |
| 72 | Irvin B. Brown | 70 | Head | — | Maryland |
| 73 | Annie W. Brown | 58 | Wife | — | Maryland |
| 74 | Walter E. Jackson | 66 | Head | Farmer | Pennsylvania |
| 75 | Dora M. Jackson | 64 | Wife | — | Pennsylvania |
| 76 | Charles Conrad | 66 | Head | Farmer | Pennsylvania |
| 77 | Hester Conrad | 14 | Son | — | Maryland |
| 78 | George T. Freeman | 40 | Head | Driver | Pennsylvania |
| 79 | Kathryn C. Freeman | 38 | Wife | — | Pennsylvania |
| 80 | Lottie Freeman | 75 | Mother | — | England |
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)