In January 2016 Wilson was included in a squad for a series of away friendlies against Spain. On 15 January 2016 she made her senior debut in the opening game of series, a 3–0 win for Spain. In the third game of the series, on 18 January, Wilson scored her first senior goal for Ireland. She scored a late winner, from a penalty corner, as Ireland came back from 2–0 down to win 3–2. In January 2017 she was also a member of the Ireland team that won a 2016–17 Women's FIH Hockey World League Round 2 tournament in Kuala Lumpur. She scored in the final as Ireland defeated Malaysia 3–0 in the final. Wilson won her 50th cap at the 2017 Women's EuroHockey Nations Championship.