Sheri:
The 1910 Census result lists a number of siblings:
Name: Arthur A Moore
Titles and Terms:
Event Type: Census
Event Year: 1910
Event Place: Justice Precinct 3, Matagorda, Texas, United States
District: 141
Gender: Male
Age: 7
Marital Status: Single
Race: White
Race (Original): White
Relationship to Head of Household: Son
Relationship to Head of Household (Original): Son
Birth Year (Estimated): 1903
Birthplace: Texas
Immigration Year:
Father's Birthplace: Georgia
Mother's Birthplace: Texas
Sheet Number and Letter: 13B
Household ID: 240
Line Number:
Affiliate Name: The U.S. National Archives and Records Administration (NARA)
Affiliate Publication Number: M1283
GS Film number: 1375590
Digital Folder Number: 004454392
Image Number: 00105
Household Role Gender Age Birthplace
Arthur A Moore Head M 45 Georgia
Emily P Moore Wife F 42 Texas
Perry Moore Son M 14 Texas
Mary Terese Moore Daughter F 11 Texas
Katherine Moore Daughter F 8 Texas
Arthur A Moore Son M 7 Texas
Florence Boulden Servant F 21 Texas
James Boulden Lodger M 22 Texas
Citing this Record:
"United States Census, 1910," index and images, <i>FamilySearch</i> (https://familysearch.org/pal:/MM9.1.1/M2SF-YJD : accessed 18 Aug 2014), Arthur A Moore in household of Arthur A Moore, Justice Precinct 3, Matagorda, Texas, United States; citing enumeration district (ED) 141, sheet 13B, family 240, NARA microfilm publication T624, FHL microfilm 1375590.
The 1940 Census has a bit less:
Name: Arthur A Moore
Titles and Terms: Jr
Event Type: Census
Event Date: 1940
Event Place: San Angelo, Justice Precinct 1, Tom Green, Texas, United States
Gender: Male
Age: 37
Marital Status: Married
Race (Original): White
Race: White
Relationship to Head of Household (Original): Head
Relationship to Head of Household: Head
Birthplace: Texas
Birth Year (Estimated): 1903
Last Place of Residence: Corpus Christi, Nueces, Texas
District: 226-11
Family Number: 361
Sheet Number and Letter: 15A
Line Number: 1
Affiliate Publication Number: T627
Affiliate Film Number: 4147
Digital Folder Number: 005458061
Image Number: 00572
Household Role Gender Age Birthplace
Arthur A Moore Head M 37 Texas
Dorothy W Moore Wife F 35 Texas
Adrienne H Moore Daughter F 7 Texas
Esther R Michalik Maid F 16 Texas
Citing this Record:
"United States Census, 1940," index and images, <i>FamilySearch</i> (https://familysearch.org/pal:/MM9.1.1/K43R-W5X : accessed 18 Aug 2014), Arthur A Moore, San Angelo, Justice Precinct 1, Tom Green, Texas, United States; citing enumeration district (ED) 226-11, sheet 15A, family 361, NARA digital publication of T627, roll 4147.
I hope this helps...
~ Keith