You may have this

1850 US
Name: John Randleman
Age: 23
Estimated Birth Year: abt 1827
Birth Place: North Carolina
Gender: Male
Home in 1850(City,County,State): Lafayette, Owen, Indiana
+
Name: Mahala Randleman
Age: 21
Estimated Birth Year: abt 1829
Birth Place: Indiana
+
Name: Hester Ann Randleman
Age: 1
Estimated Birth Year: abt 1849
Birth Place: Indiana

there are quite a few Mahala's in the 1840Census but none with that surname & the only one for Own is Mahala Mills