Winners of the Australian Cup in 1964, Sunshine George Cross were named champions of the 1977 Victorian State League and were also runners up on 9 occasions.

The following year George Cross won the Ampol Cup beating Hakoah 3–0 in front of 10,000 fans in South Melbourne.

In 1979 and 1980, financial trouble began to hit and the club managed just seventh and eighth-placed finishes in the league.

A longer-term solution was finally found in 1980, when the Sunshine Council gave a long-term lease on Chaplin Reserve to George Cross.

In 1984, the club made an application to join the newly expanded National Soccer League and was accepted.

During this decade, players like John Markovski, Chris Taylor, Andrew Marth, Paul Trimboli and Kevin Muscat donned the George Cross crest.

In 1993, John Markovski returned as a guest player, scoring 18 goals as the club reached the preliminary final.

In the final round of the season, a point achieved from a 0–0 draw with Melbourne Knights FC was enough to ensure VPL football for another year.

George Cross survived again in the 2006 season, but only on a technicality, as Essendon Royals were relegated for fielding an ineligible player.

In 2008, an Andy O'Dell lead George Cross took out the State League 1 championship, edging Dandenong Thunder by three points.

In 2010, players began to leave halfway through the season and Andy O'Dell quit his position as head manager.

It was close with the relegation issue was not being settled until the final day when the Georgies lost 4–0 to South Melbourne and Bentleigh Greens upset the league leaders Richmond to avoid the drop.

[3] In 2011, Sunshine George Cross finished in seventh position in the Victorian State League Division One.

In 2013, the club's results improved and the Georgies just missed out on promotion, finishing in third place, three points off Werribee City.

[5] On 4 June 2015, Jamie Chetcuti, the president of Sunshine George Cross, announced that following the sale of Chaplin Reserve, the club is "currently working with a municipality with the intent of developing a state of the art facility that George Cross juniors and senior’s players, staff and parents will call home".

[6][7] Chaplin Reserve will be converted into townhouses, while Georgies will move out to a new facility in Fraser Rise, which will become a home base for both the club's senior and junior sides.

[7] Following a melee in a pre-season friendly in January 2016 against local rivals North Sunshine Eagles FC, George Cross were deducted 4 NPLV 2 West championship points and fined $1,000.

Kovacevic resigned only a few weeks into his reign, with technical director Vaughan Coveny taking over until the end of the season.

For the 2019 season, coinciding with the move to Fraser Rise, the club changed its name to Caroline Springs George Cross FC.

Smith was relieved of his duties on 28 May 2019 after 2 wins, 2 draws and 5 losses, leaving George Cross in tenth place of the 12-team division.

[11] George Cross played its first game at City Vista Recreation Reserve on the third pitch on 30 June 2019, defeating league-leading side Sydenham Park 1–0.

Western United's first official match as a club came against George Cross, winning 4–0 in front of 3,247 people at City Vista.

[14] Vassiliadis' appointment saw a significant upturn in form for George Cross, winning 8, drawing 1 and losing 2 of its last 11 games, propelling the club up to fifth position on the league table.

[15] After Vassiliadis appointment, he managed to bring in strong players including Andrezinho, Francesco Stella and Ethan Gage.

Other rivalries include Victorian club's that are based in Melbourne's west, such as St Albans Saints, Western Suburbs and Altona Magic.

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