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MeasureMike LayRHouse 68Mark ChapmanRHouse 12
SeatHouse District 68House District 12
PartyRepublicanRepublican
CountiesCreek, TulsaWagoner
Leadership——
Committees56
Effectiveness score0.550.64
Chamber rank66 of 9961 of 99
Bills & JRs authored1625
… passed committee910
… passed own chamber96
… passed both chambers35
… became law35
Carried in other chamber (law)2 (1)2 (1)
Bills coauthored529
Budget-process measures (not scored)00
Floor roll calls19321932
Missed votes73 (3.8%)156 (8.1%)
Party unity (contested votes)87.6%84.7%
Top topicsBusiness, jobs & the economy (4); State government & agencies (3); Cities, towns & counties (1)Budget & taxes (9); State government & agencies (5); Criminal justice & public safety (2)
Lobbyist-reported expenditures, 2025–2675 items, $3,773108 items, $5,089
Capitol officeRoom 260Room 300
Capitol phone(405) 557-7340(405) 557-7388

Download CSV Free CSV: House/Senate directory rows. Computed metrics: Capitol Pro (coming soon). Permalink: /legislators/compare?m=h-mike-lay,h-mark-chapman

Effectiveness figures follow the published formula. Campaign-finance figures are not included in comparisons.

Read with care. This is a transparent count of how far a member's own bills went, not a judgment of the member's work. It does not weigh a bill's importance, and it misses amendments, conference work, constituent service and blocking bad bills. Leadership files many shell bills that never move; members elected mid-term had less time; coauthors are read from action text and may be incomplete. Data: Open States roll calls and actions (copied Oct. 1, 2026); official records are on oklegislature.gov.

Sources for this page

Bill, action and vote data from Open States bulk data (public domain dedication; attribution appreciated). Official bill text and votes are linked on oklegislature.gov, not copied.

Copied from public pages of the Oklahoma House of Representatives and the Oklahoma State Senate. Neither OK Capitol Guide nor this information, as presented here, is endorsed by the Oklahoma House of Representatives or the Oklahoma State Senate.