SV-252 says her name is Elizabeth.
1860 U.S. Census (Ancestry.com): Joshua T. Cress (62 VA), Farmer living in Dist. 1, Augusta Co., VA with wife, Elisabeth (49 VA) and 8 kids: Jane (32 VA); Milton (28 VA); Nicholas (26 VA); Elisabeth Byrd (24 VA); Sarah Byrd (19 VA); Mary Byrd (17 VA); Joshua Byrd (15 VA) and George Byrd (12 VA). Next door was James Byrd (32 VA) and Susan D. (2 VA) most likely son-in-law of Joshua T. Two doors away was John & Mary Cress
1870 U.S. Census (Ancestry.com): James E. Byrd (47 VA) living in Meade, Upshur Co., WV with wife, Elizabeth (35 VA) and kids: Susan B. (11 VA); James E (9 VA); Jane A. (6 VA); Emma V. (4 WV); Theodore A. (3 WV) and Lugmilla E. (1 WV).
1880 U.S. Census (Ancestry.com): James E. Byrd (56 VA) living in Hinkleville, Upshur Co., WV with wife, Elizabeth (44 VA) and 6 kids: Susan B. (22 VA); Jane R. (18 VA); Emily V. (15 WV); Theodore Albert (13 WV); son, Lugmilla E. (11 WV) and George R. (7 WV) and sister-in-law, Sarah Cress (39 VA).
1900 U.S. Census (Ancestry.com): Not found.