- Growing up in New Orleans, Hilliard was a Saints fan and players he enjoyed watching from the Saints were Ricky Williams, Ricky Jackson and Drew Brees.
- Hilliard's favorite TV show is the Office, favorite movie is Friday and his favorite entertainer is Dave Chappelle.
- Enjoys bowling and joins a bowling league every offseason.
2011: Serves as a back-up tackle, as well as special teams contributor (field goal unit).
- Started at right tackle in the team's home opener vs. Kansas City (9/18). Was part of an offensive line that allowed no sacks for the second consecutive game.
- The Lions offense generated 48 points in the victory over the Chiefs, the most points scored by the Lions since they garnered 55 points in a Thanksgiving Day 55-20 win over Chicago (11/27/97). That game was also the last time the team scored 6 offensive touchdowns (rushing and receiving) in a single game.
- The last time the Lions scored 6 offensive touchdowns in a game of which at least 4 were via the pass was a 48-17 win over Chicago (10/19/81).
- Went in at right tackle during the second quarter at Minnesota (9/25).
- Came in for four plays at left tackle in the fourth quarter at Dallas (10/2).
2010: Served as a back-up on the offensive line and played primarily on special teams (field goal unit). Started final four games of the season at right tackle (filling in for injured T Gosder Cherilus).
- Saw action at right tackle near end of game as the Lions closed out a 44-6 win vs. St. Louis.
- Saw significant time at right tackle vs. New England after filling in for T Gosder Cherilus due to injury (knee).
- Made first career start at right tackle against Green Bay (12/12). Helped Lions rush for a season high 190 yards, the most by the team since it recorded 193 rushing yards at Green Bay December 12, 2004.
- In second career start, manned the right tackle position and helped the team chew up 181 yards on the ground in the Lions 23-20 overtime win, including 49 of the team's 63-yard game-winning drive in overtime. In addition to 181 rushing yards, team did not allow a sack on 37 pass attempts.
- The 181 yards on the ground marked the first time since December 2004 that the team registered over 180 yards in consecutive games.
- Started third-straight game (right tackle) at Miami (12/26).
- Started but left game early due to injury in season-finale win vs. Minnesota (1/2).
2009: Spent first 12 weeks of the season on the Cleveland Browns practice squad before joining the Lions in December. Inactive for the Lions final four games of the regular season.
2008: Spent the majority of the season on the Colts' practice squad. Appeared in two games on special teams and dressed but did not play for a third.
- Played on special teams vs. Chicago (9/7) and vs. Jacksonville (9/21).
- Active but did not play at Minnesota (9/14).
- Inactive at Houston (10/5).
2007: Appeared in three games at guard for Indianapolis as a rookie. Spent time on club's practice squad and was signed to active roster November 17.
- Saw action at RG at Atlanta (11/22).
- Appeared at LG vs. Houston (12/23) and vs. Tennessee (12/30).
- Dressed but did not play vs. Kansas City (11/18), vs. Jacksonville (12/2) and at Oakland (12/16).
- Inactive at Baltimore (12/9) and for Divisional Playoff game vs. San Diego (1/13).
COLLEGE: Four-year starter at Oklahoma State who opened 43 of 46 career games starting 23 games at right tackle and 20 games at LT. Hilliard began career as RT before switching to LT.
- Named team captain started 12 games as senior.
- All-Big 12 First-Team his senior season as he posted a career-high 98 knockdowns, helping the team rank seventh in the nation and lead the conference with an average of 208.0 yards per game rushing.
- Started eleven games at RT as a junior, totaling 83 knockdowns and was named All-Big 12 Second-Team.
- Started 12 games at LT his sophomore season, registering 67 knockdowns for an offense that ranked 12th in the nation and second in the league with an average of 237.0 yards per game on the ground, earning All-Big 12 honorable mention.
- Started final six games of his freshman season after beginning the year as a reserve.
- Holds a bachelor's degree in education.
- Attended Jesuit High School where he was named First-Team All-State by the AP and First-Team All-Metro by the New Orleans Times-Picayune as a senior.
- Enjoys playing basketball in his free time.
- Married to wife, Nichole.
- Born Corey Hilliard April 26, 1985 in New Orleans, La. Son of Eddie and Sharon Hilliard. Has a younger brother, Colby.