First Wife: Married to Thetus Baker around 1891 and, based on U S Federal Census Records, she died before the 1920 Census since he had married Dora in 1918. (Can not find a record of Thetus Baker Hobby as of 18 Dec 2022)

William and Thetus were the parents of:
Ervin Nash Hobby
Betty Hobby Mason
Lola Hobby Baker(1894-1930)
Stella Jane Hobby Blanchard
Zellar Hobby Jackson
Esther Hobby French
William Curtis Hobby
Ethel Jane Hobby(1907-unk)
Omar Hobby Martin
Hester Hobby Taylor
Mary D Hobby(1914-unk)

Second Wife: Married to Dora Adelaide Baker Pegram on February 13, 1918 in Harnett County, North Carolina.

William and Dora were the parents of one child only William Rupert Hobby.
*********************************
1900 United States Federal Census
Name: Williams Hobby
Age: 29
Birth Date: Apr 1870
Birthplace: North Carolina
Home in 1900: Buckhorn, Harnett, North Carolina
Race: White
Gender: Male
Relation to Head of House: Head
Marital Status: Married
Spouse's Name: Thetus Hobby
Marriage Year: 1891
Years Married: 9
Father's name: William Hobby
Father's Birthplace: North Carolina
Mother's Birthplace: North Carolina
Household Members:
Name Age
Williams Hobby 29
Thetus Hobby 28
Ervin N Hobby 9
Bettie J Hobby 7
Lola Hobby 6
Stella Hobby 4
Zela F Hobby 1
William Hobby 84

1910 United States Federal Census
Name: William J Hobby
Age in 1910: 39
Birth Year: abt 1871
Birthplace: North Carolina
Home in 1910: Buckhorn, Harnett, North Carolina
Street: Lower Raleigh Road
Race: White
Gender: Male
Relation to Head of House: Head
Marital Status: Married
Spouse's Name: Thetis Hobby
Father's Birthplace: North Carolina
Mother's Birthplace: North Carolina
Native Tongue: English
Occupation: Farmer
Industry: General Farm
Employer, Employee or Other: Own Account
Home Owned or Rented: Own
Home Free or Mortgaged: Mortgaged
Farm or House: Farm
Able to Read: Yes
Able to Write: Yes
Years Married: 19
Household Members:
Name Age
William J Hobby 39
Thetis Hobby 38
Lola Hobby 15
Stella Hobby 13
Zelar Hobby 11
Esther Hobby 8
Curtis Hobby 6
Ethel Hobby 3
Oma Hobby 1
Susa Baker 54

North Carolina, Marriage Records, 1741-2011
Name: W J Hobby
Gender: Male
Race: White
Age: 47
Birth Year: abt 1871
Marriage Date: 13 Feb 1918
Marriage Place: Harnett, North Carolina
Spouse: Dora Pegram
Spouse Gender: Female
Spouse Age: 40
Event Type: Marriage

1920 United States Federal Census
Name: William J Hobby
Age: 49
Birth Year: abt 1871
Birthplace: North Carolina
Home in 1920: Holly Springs, Wake, North Carolina
House Number: Farm
Race: White
Gender: Male
Relation to Head of House: Head
Marital Status: Married
Spouse's Name: Dora A Hobby
Father's Birthplace: North Carolina
Mother's Birthplace: North Carolina
Occupation: Farmer
Industry: General Farm
Employment Field: Own Account
Household Members:
Name Age
William J Hobby 49
Dora A Hobby 43
Ethel Hobby 13
Oma Hobby 11
Hester Hobby 8
Mary D Hobby 6
Maxie Pegram 13
Luma Pegram 11
Clara Pegram 8
Clarence Pegram 6
Earnest Pegram 4
Joe D Pegram 21

1930 United States Federal Census
Name: William J Hobby
Birth Year: abt 1871
Gender: Male
Race: White
Birthplace: North Carolina
Marital Status: Married
Relation to Head of House: Head
Home in 1930: Durham, Durham, North Carolina
Street address: Barber Street
Ward of City: part of
House Number in Cities or Towns: 517
Dwelling Number: 345
Family Number: 406
Home Owned or Rented: Rented
Home Value: 5
Radio Set: No
Lives on Farm: No
Age at First Marriage: 26
Attended School: No
Able to Read and Write: Yes
Father's Birthplace: North Carolina
Mother's Birthplace: North Carolina
Able to Speak English: Yes
Occupation: Textile Worker
Industry: Cotton Mill
Class of Worker: Wage or salary worker
Employment: No
Household Members:
Name Age
William J Hobby 59
Dora E Hobby 54
Ernest Pegram 13

1940 United States Federal Census
Name: W J Hobby
Age: 67
Estimated Birth Year: abt 1873
Gender: Male
Race: White
Birthplace: North Carolina
Marital Status: Married
Relation to Head of House: Father-in-law
Home in 1940: Stewarts Creek, Harnett, North Carolina
Inferred Residence in 1935: Durham, Durham, North Carolina
Residence in 1935: Durham, Durham, North Carolina
Sheet Number: 2B
Attended School or College: No
Highest Grade Completed: Elementary school, 4th grade
Income Other Sources: Yes
Household Members Age Relationship
R B Jackson 45 Head
Zellar Jackson 41 Wife
Rex Jackson 22 Son
Elizabeth Jackson 15 Daughter
Bill Jackson 12 Son
Thedis Jackson 10 Daughter
Mozelle Jackson 7 Daughter
Tommie Jackson 4 Son
W J Hobby 67 Father-in-law
Rupert Hobby 19 Brother-in-law

North Carolina, Death Certificates, 1909-1976
Name: James William Hobby
Gender: Male
Race: White
Age: 80
marital status: Widowed
Occupation: Farmer
Birth Date: 7 Sep 1870
Birth Place: Harnett, North Carolina
Residence: 511 Barbee St, Durham, Durham, North Carolina
Death Date: 8 Sep 1950
Death Place: Durham, Durham, North Carolina
Father: Buck Hobby
Mother: Unknown
Cause of death: Coronary occlusion, arteriosclerosis
Informant: Mrs Omar Martin, 3401 Roxboro Rd, Durham