Career
Wallis reached the final of the Irish Championships at Dublin for the first time in 1921 where she lost to Elizabeth Ryan. She participated twice in Wimbledon. In 1924, she lost her second round match against Dorothy Shepherd Barron 0–6, 1–6.
Twelve years later, in 1936, she reached the third round but had to pull out of the tournament.
Wallis participated in the 1924 Summer Olympics at Paris where she reached the quarterfinals in mixed doubles alongside Edwin McCrea.
