Seven Republicans are seeking their party's nominations for the five House of Delegate seats from northern Fairfax County, Falls Church and Fairfax City in the June 14 primary.

Four of the candidates in the 18th District Republican primary have sought public offices in the past. They are five-term incumbent Del. Vincent F. Callahan, who was unsuccessful in his bid for Virginia's 10th Congressional District House seat last November, Martin H. Perper, who ran last fall as an independent for the U.S. Senate and lost; Peter W. Scott, who lost his bid to represent the Providence District on the Fairfax County Board of Supervisors two years ago; and Clifford W. Overcash, who lost in the race for the Fairfax Council last year.

The three political newcomers are Halga V. Bonney, a newsletter publisher; Thomas Rae Cagley, an economic research associate, and Michael D. White, a management consultant.v. incent F. Callahan Jr. - Callahan, 45, lives at 6220 Nelway Dr. in McLean. A native Washington, Callahan is a partner in Callahan Publications, a newsletter service started by his father in 1944.

"Basically I would hope people would re-elect me because of my experience," said Callahan, who says he is finding it difficult "to get his enthusiasm up" for his third election within the past three years.

He said energy "is the coming issue" in the General Assembly. The five-term delegate said he favors legislation that would provide incentives for energy conservation and advocates greater utilization of the state's coal resources.

Callahan, who plans to spend $1,500 on his primary campaign, favors ratification of the Equal Rights Amendment, a Reston voter referendum to determine if the town should be incorporated, and the expansion of the State Corporation Commission to include consumer-oriented members.

Martin H. Perper - Perper, 37, lives at 6653 McLean Dr. in McLean. A native of Philadelphia, Pa., Perper is a management consultant, mostly involved in the business. He has invested in several Holiday Inns.

Perper said he is concerned about the increasing taxes and the decreasing services to Northern Virginians. "I think it's time that the people of Northern Virginia got a break from the rest of the state. We've been carrying the bulk of the state's taxes on our back," he said.

He said he favors removal of the sales tax from food and prescription drugs. He also believes school board members should be elected.

Perper said he is campaigning fulltime and aides estimate he will spend between $3,000 and $4,000.

Peter W. Scott - Scott, 43, lives at 3336 Hemlock Dr. in Falls Church. Scott lost the Providence District supervisor seat by 410 votes to incumbent James M. Scott in 1975. A native Midwesterner, Scott works as a financial consultant.

"I just think we need good people in government," Scott said of his reason for running. "I'd like to improve the quality of legislation rather than the quantity."

He said he would like to see the state undertake a management study of state programs.

Scott favors "fairer tax-revenues" for Northern Virginia. "Everybody wants services. Everybody wants programs. But nobody wants increased taxes."

Scott said his campaign consists mostly of public speaking and mail-outs. He plans to spend $500 on the campaign.

Clifford W. Overcash - Overcash, 49, lives at 10109 Toms Ct. in Fairfax City. He owner of a retail sales uniforms business called Lynford Uniforms, Inc.

Overcash said his is concerned with fiscal responsibility. "We've got to put a stop to some of the spending," he said.

He said efforts must be made to limit the number of bills introduced in the state General Assembly.

"More than 2,000 bills were offered last year - many for political reasons," said Overcash, who said each bill costs the taxpayers $3,500.

Overcash said he favors an amendment giving the voters the right to petition for a recall. "That would be like a shotgun behind the door," he said.

He said he has no estimate of how much he will spend on his campaign, "but it won't be much."

Helga V. Bonney - Bonney, 34, lives at 1561 Inlet Ct. in Reston. She publishes a monthly cooking newsletter and manages computerized mailing lists for other clients.

A native of Austria, Bonney has been living in Virginia for seven years.

"I've been involved in politics for 16 years," said Bonney, who started the Reston Republican Club three years ago. "I knew I was going to run for something for five years, but I just didn't know what the slot would be."

She said she is "very concerned" about balancing the budget and holding the line on spending.

Bonney said the General Assembly needs people who can "decide what are the most necessary things" in the budget.

She also favors ratification of the Equal Rights Amendment, Bonney, who claims to be "the first Republican candidate for anything from Reston," plans to spend between $5,000 and $6,000 on her campaign.

Thomas Rae Cagley - Cagley, 36, lives at 6846 Westmoreland Rd. in Falls Church. A native of Indiana, Cagley has been living in the area for five years.

Cagley said he is a fiscal conservative and favors a repeal of the sales tax on food and prescription drugs. A study of the Metro system must be undertaken in an effort to cut its escalating costs, he said.

He also campaigns on removing "the stody appearance" of the General Assembly by electing him and other "youthful and dynamic" candidates.

Cagley said he will spend $2,500 on his campaign.

Michael Dennis White - White, 25, lives at 7722 Iroquois Ct. in Falls Church. A native of Boston, White is a management consultant with an interntional accounting firm. He has been living in the area for three years.

White opposes plans for a local income tax and "believes we can all do with less government and lower taxes."

He said government was created "to pursue happiness, not provide happiness." He is opposed to "the idea of everything being by free" to individuals, paid for by government.

He said he favors quality education at a reasonable cost, enabling legislation for a referendum to establish a maximum property assessment rate and other property tax guidelines, and immediate completion of Interstate 66.

White said he plans to spend $1,000 on his campaign, which has included "a lot of knocking on doors."