Born on August 26, 1980 in New York, Macaulay was a famous child start. He is the third of seven children and first began acting at the age of 4 in Off-Broadway shows including the Nutcracker. He played in films See Your in the Morning in 1989 and Rocket Gibraltar in 1988. At the age of 9 Macaulay was very funny in Uncle Buck and he filmed Home Alone in 1990. Next came Home Alone 2: Lost in New York in 1992. In 1993 Macaulay starred in The Good Son which was very different from his cute and fun little guy roles.
By the time Macaulay was 14 he made a string of films that did not do well. The Pagemaster in1994, Getting Even with Dad in 1994 and Richie Rich in 1994. Macaulay married Rachel Miner in 1998 but hey divorced in 2000. Macaulay has tried to get back into acting and he appeared in Madame Melville, a London production. He also played Michael Alig in Party Monster in 2003. Macaulay's most recent films include Saved! in 2004 and 2007 Sex and Breakfast. Macaulay has kept a low profile in the last few years due to rumors of drug addiction. His public appearances are very few.