Seamus Riley

Seamus Riley is the husband of Lucia Riley, the father of Timothy Riley and the grandfather of Sally Riley. Not much is known about him since he is deceased before the start of The Sims 2. He seems to have died a rather untimely death as an adult.

Onomatology
Seamus: A Gaelic name meaning "he supplanted" and "subsitute". It is pronounced shay-mus.

Riley: A surname of English or Irish origin. The English version comes from the Old English word "rye" and "leah", meaning "wood" and "clearing".

The Gaelic-Irish version is Ó Raghallaigh, which means "grandson of Raghallach", which is believed to have derived from ragh (meaning 'race') and ceallach (meaning 'sociable').