WM
William Mccoy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Orleans-County, Louisiana
Our Model Tree links this William Mccoy across the 1930 and 1940 US Censuses in Orleans-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 7-person household.
Age 24
b. ~1916
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Orleans-County, Louisiana |
| Surname | McCoy |
| Given Name | William W Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans city |
| 1935 Residence (County) | Orleans |
| Additional Details | |
| Occupation | labourer |
| Industry | wholesale grocery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | H-4 12 |
| 1935 Residence | Same house |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Labourer |
| Township / Ward | New Orleans City |
| Est. Birth Year | ~1916 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Mccoy | Head | — | 53 | ~1887 |
| Lillian Mccoy | Daughter | — | 20 | ~1920 |
| Florence Mccoy | Spouse | — | 53 | ~1887 |
| William Mccoy | Son | — | 24 | ~1916 |
| George Mccoy | Son | — | 29 | ~1911 |
| Robert Mccoy | Son | — | 22 | ~1918 |
| Nancy Mccoy | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Orleans, Louisiana
Son, age 14
Orleans, Louisiana · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCoy |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Orleans-County, Louisiana
Son, age 24
Orleans-County, Louisiana · implied b. ~1916 — 7 household members
| Surname | McCoy |
| Given Name | William W Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans city |
| 1935 Residence (County) | Orleans |
| Occupation | labourer |
| Industry | wholesale grocery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | H-4 12 |
| 1935 Residence | Same house |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 William Mccoy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mccoy
Son · 1940 · age 24 · b. ~1916 · Louisiana
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Sibling
Lillian Mccoy
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mccoy
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Mccoy
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Mccoy
Sibling · 1940 · age 16
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 — Orleans-County, Louisiana
Open full size
1940 US Federal Census — Orleans-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01420-00447)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph R Smith | 31 | Head | Manager | Louisiana |
| 2 | Lillian B Smith | 34 | Wife | Plant Manager | Louisiana |
| 3 | Emil J Peterson | 46 | Head | Manager | Wisconsin |
| 4 | Elly E Peterson | 37 | Wife | — | Austria |
| 5 | Emil J Jr Peterson | 15 | Son | — | Michigan |
| 6 | Eunice M Peterson | 13 | Daughter | — | Wisconsin |
| 7 | Kay J Peterson | 8 | Daughter | — | Wisconsin |
| 8 | Jules E Cassard | 34 | Head | Salesman | Louisiana |
| 9 | Laura R Cassard | 26 | Wife | — | Louisiana |
| 10 | Carolyn A Cassard | 5 | Daughter | — | Louisiana |
| 11 | Joseph P Cassard | 2 | Son | — | Louisiana |
| 12 | William W Mccoy | 53 | Head | Switchman | Louisiana |
| 13 | Florence M Mccoy | 53 | Wife | — | Louisiana |
| 14 | George W Mccoy | 29 | Son | Timekeeper | Louisiana |
| 15 | William W Jr Mccoy THIS PERSON | 24 | Son | Labourer | Louisiana |
| 16 | Robert P Mccoy | 22 | Son | Shipping Clerk | Louisiana |
| 17 | Lillian M Mccoy | 20 | Daughter | Saleslady | Louisiana |
| 18 | Nancy J Mccoy | 16 | Daughter | — | Louisiana |
| 19 | Claude A O'Brien | 35 | Head | Meter Repairer | Louisiana |
| 20 | Nellie V O'Brien | 30 | Wife | — | Louisiana |
| 21 | Mary S Rabe | 59 | Mother-in-law | — | Louisiana |
| 22 | Edmond Peytral | 37 | Head | Proprietor | Louisiana |
| 23 | Josephine T Peytral | 32 | Wife | Saleslady | New York |
| 24 | Rachel G Peytral | 64 | Mother | — | Louisiana |
| 25 | August M Miller | 48 | Head | Inspector | Louisiana |
| 26 | Margaret M Miller | 36 | Wife | Typist | Louisiana |
| 27 | Sidney B Miller | 70 | Father-in-law | — | Louisiana |
| 28 | Theo V Martinez | 64 | Head | — | Louisiana |
| 29 | Florence H Martinez | 58 | Wife | — | Louisiana |
| 30 | Edward J Kennedy | 51 | Head | Cleaner And Presser | Louisiana |
| 31 | Cecilia G Kennedy | 49 | Wife | — | Louisiana |
| 32 | William F Williams | 30 | Head | Draftsman | Wisconsin |
| 33 | Violet O Williams | 27 | Wife | — | Louisiana |
| 34 | Joseph G Tardelle | 56 | Father-in-law | — | Louisiana |
| 35 | Eugene G Miseur | 34 | Head | Messenger | Louisiana |
| 36 | Patricia G Miseur | 33 | Wife | — | Louisiana |
| 37 | Elaine Miseur | 10 | Daughter | — | Louisiana |
| 38 | Rose Miseur | 8 | Daughter | — | Louisiana |
| 39 | Manuel J Estrada | 59 | Head | Mess Boy | Louisiana |
| 40 | Ruth Estrada | 10 | Daughter | — | Louisiana |
Related Census Records
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)