[5] Between 2011 and 2015 Peat attended Dublin City University where she gained a BSc in Physical Education and Biology.

Peat's mother, Marian, encouraged her to join a local basketball team in order to keep her occupied during the school summer holidays.

[4][8] Between 2005 and 2015 Peat played as a point guard for DCU Mercy, helping them win the 2007 and 2011 Basketball Ireland Women's Superleague titles.

[12][13][14][15] She also captained DCU Mercy to two National Cup wins in 2010 and 2011 [5][16] and represented the team at intervarsity level.

[18] Peat has represented the Ireland women's national basketball team at various age groups from U-16 to senior level.

[1][39][40][41] Within months of taking up women's rugby union, Peat was fast-tracked into the Ireland team by Tom Tierney.

She is married and has one son, Barra,[3][6][8][43] She is a vocal advocate for gay rights and was an ambassador for the 2019 Union Cup when she revealed that she only came out to her family and friends when she was 30.