Didn't find Thomas & Wesley on census together as family.
Do you have any more information that would help in finding them? What other info do you have on W A Munday?
Good luck in your search

Name: Wesley A Munday
Age: 24
Estimated Birth Year: abt 1826
Birth Place: South Carolina

Name: Mary A E Munday
Age: 18
Estimated Birth Year: abt 1832
Birth Place: Alabama

Source Citation: Year: 1850; Census Place: Livingston, Sumter, Alabama; Roll: M432_15; Page: 330; Image: 146
--------------------------
1900 census
Thomas Munday Dec 1898 Tennessee
mother Junie T Munday, age 20
Harry Teat grandfather, age 58
Birmingham Ward 4, Jefferson, Alabama White Grandson
------------------------
Alabama Marriages
Wesley A Munday
Harriet Blackwell
m date 23 Sep 1854
Surety/Perf. Name: A. R. Scarborough
OSPage: 241
Sumter county, AL
-------------------------
Name: Wesley Mundy
Estimated Birth Year: abt 1820
Age in 1870: 50
Birthplace: South Carolina
spouse Harriet age 37
children
Pinkney 19, John A 15, Susan 6, Mary A 2
Source Citation: Year: 1870; Census Place: Township 16 Range 1 2 3 and 4, Sumter, Alabama; Roll: M593_40; Page: 141; Image: 278, Post Office: Cuba
-------------------------------

Name: Wesley Mundy
Age: 54
Estimated Birth Year: abt 1826
Birthplace: Alabama
Father's birthplace: South Carolina
Mother's birthplace: South Carolina
Spouse's Name: Harriet age 47
children
Susan H 16, Mary Ann 13, Francs E 8
Source Citation: Year: 1880; Census Place: Gaston, Sumter, Alabama; Roll: T9_31; Family History Film: 1254031; Page: 367.3000; Enumeration District: 158; Image: 0735

==================================
Civil War Service Records 1861=1865
Name: Wesley A Munday
Military Unit: First Confederate Engineer Troops
======================

Name: Thomas C Mundy
Age: 29
Estimated Birth Year: abt 1901
Birthplace: Alabama

Spouse's Name: Laura age 25

Source Citation: Year: 1930; Census Place: Memphis, Shelby, Tennessee; Roll: 2275; Page: 19A; Enumeration District: 64; Image: 201.0